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Isn't this the same stuff used for acrylic nails? Also, are there different strengths? The brands I've used couldn't bond skin permanently even if someone really tried. —Preceding unsigned comment added by 172.191.32.254 ( talk) 12:13, 25 April 2008 (UTC)
If you have a problem with superglue,AKA Cyanoacrylate:
Someone has inserted superglue in the door locks of my car, I was wondering if there is any dissolvent in which I can soak my locks instead of paying some ridiculas amount to install new locks any help would be welcolmed From Jan N.Z
The problem with super glue is that polycyanoacrylate cross links when it cures, so it doesn't actually dissolve in anything (although it will swell and soften in certain solvents). Acetone doesn't really have sufficient chemical similarity to have a great softening effect on it, and ethanol (alcohol) even less so. Chloroform is unlikely to have much effect either, (by the way, it won't make you high unless you are in a very enclosed space and sniff it like crazy, which I wouldn't advise - its carcinogenic for one thing). The best material to try would probably be methylene chloride, but it isn't really readily available and its also quite a toxic product. If you have superglue in car locks, it will hang around and gum things up even if you are able to break it up. New locks, I think. StanPomeray ( talk) 17:04, 23 December 2010 (UTC) (industrial polymer chemist for around 25 years)
This paper says that chloroform works better than anything else they tested, including toluene and dichloromethane--see page 6. Piojo ( talk) 07:55, 30 December 2015 (UTC)
The current article states "If applied to cotton, cyanoacrylate undergoes an exothermic reaction rapid enough to cause minor burns if spilled on clothing, although this reaction is not powerful enough to be noticeable unless it involves more cyanoacrylate than any non-commercial use would reasonably call for." Isn't this a bit of a contradiction? If it's strong or fast enough to cause minor burns, wouldn't it be noticeable? (Also, a recent accidental encounter with said reaction left no doubt in my mind that it's noticeable, and my painful fingers agree...) Eleraama 05:46, 29 August 2007 (UTC)
I think it's supposed to be "flashpoint"? Plus, most sources I've seen says it's either at 85°C or "more than 85"°C.
"The flash point of a flammable liquid is the lowest temperature at which it can form an ignitable mixture with oxygen. At this temperature the vapor may cease to burn when the source of ignition is removed. A slightly higher temperature, the fire point, is defined at which the vapor continues to burn after being ignited. Neither of these parameters is related to the temperatures of the ignition source or of the burning liquid, which are much higher. The flash point is often used as one descriptive characteristic of liquid fuel, but it is also used to describe liquids that are not used intentionally as fuels."
Is super glue usable on ceramics that are heated? Safe for ceramic kitchen ware?
What are the health risks cyanocrylate poses to people? I'm curious because a superglue tube accidentaly felt into a toaster once, and I had a hint of how a chemical attack feels like (not pretty).
if evaporated and breathe in you could probably get a non-cancerous growth.
besides that lung damage, just like smoking your lungs fuse themselves to pretty much any hazardous substance.
just to be sure goto a doctor.
Markthemac
21:26, 24 October 2007 (UTC)
a growth can be created due to particles sticking to it inside your body, causing an infection. Markthemac 21:38, 24 October 2007 (UTC)
[ I very much doubt the veracity of "Its major polymerization byproduct, acetic acid, is biocompatible. Cyanoacrylates are used in orthopedic surgery to glue metal appliances to bone. They are often used, for example, to glue artificial hip appliances to femurs and pelvic girdles." Acetic acid is a byproduct of acetoxy RTV silicones, not cyanoacrylates (CAs). As CAs have poor moisture resistance, they are probably not used as structural adhesives inside the human body, unless meant to be temporary.
In reviewing some abstracts via Google, it looks like there are some problems with N-butyl-2-cyanoacrylate (NBCA), a new-generation cyanoacrylate derivative, and there are some details on the use of "cyanoacrylate glue applied on both deep and superficial tissues" that seem to be slightly negative on animal testing. I don't know much about the field, so I'm just trying to throw out some info, but I personally doubt anyone's using such adhesives to hold hip appliances to femurs. Harmil 20:53, 31 May 2005 (UTC)
With respect to the use of CYANOACRYLATES in orthopedics. I think you will find that most bone cements are actually derived from methyl methacrylates (i.e. PMMA or perspex) and not cyanoacrylates.
Someone got very confused. Acetic acid is a byproduct from the cure of some RTV silicones (acetoxy types) - nothing to do with cyanoacrylate adhesives, which do not really have any cure byproducts. -- borborygmus 19:02, 2005 Jun 1 (UTC)
We often find that superglues caps are not ultra airtight. Bit by bit chemicals will leak out and the glue hardens. What is the solution? —Preceding unsigned comment added by 124.82.116.21 ( talk) 15:20, 10 September 2007 (UTC)
Silica won't be good enough. Use a closet dehumidifier, probably containing calcium chloride. Silica isn't strong enough to protect anything except a small very well sealed container. Piojo ( talk) 07:48, 8 May 2018 (UTC)
The vast majority of this text is ripped straight from Cecil Adams Straightdope. http://www.straightdope.com/mailbag/msuperglue.html
I just deleted references to family and a brother-in-law in the article. Does anyone know why they were in there in the first place? The paragraph is still written in first person, if someone else wants to change it. Emfraser 17:43, 4 August 2005 (UTC)
History of Loctite Corperation Aparently what we know as superglue today was actually invented by Vernon Krieble. Maybe super glue should be separate from Cyanoacrylate? Curretly it is forwarded to this page.
Not suitable for inclusion in the article, but anyone who wants to get a chuckle out of it can do it here:
In the TNG episode "The Child", a type of radiation which causes rapid growth is said to be produced by "certain cyanoacrylates". Clearly some writer in need of a cool-sounding chemical came up with superglue! Andrew Rodland
Health Warning! Sniffing Super Glue is Extremely Dangerous and in some cases couses Death.
For amusement value only: a fellow I knew I college was fond of saying that cyanoacrylates will bond any two substances instantly and permanently provided at least one of them is human skin. Septegram 17:26, 7 September 2006 (UTC)
If cyanoacrylate is used to stop bleeding, certainly some of it will remain under the skin once the wound heals? Does it stay where it was put indefinately or does it get taken up by the body and disposed of somehow? —Ben FrantzDale 13:25, 2 June 2006 (UTC)
Does superglue form a chemical bond with the surfaces on which it adheres, or is it just a mechanical bond? (Or does it depend on the material?) It obviously doesn't stick well to nylon since that's what the bottles are always made of. —Ben FrantzDale 13:25, 2 June 2006 (UTC) they make medical kinds of it and it was deleloped djuring the vienam war to stop bleeding but is not recomended for cuts —The preceding unsigned comment was added by 67.169.154.107 ( talk) 23:55:41, August 18, 2007 (UTC)
the ones in retail aren't body safe, they aren't purely one substance,
and produced in a places like china in non-laboratory environment "need i say more?"
Markthemac
21:31, 24 October 2007 (UTC)
Having tried several brands of superglue lately with less than happy results, I have the strong feeling that the product is far weaker than the superglue sold in the 1970s. Back then there were a lot of stories regarding users bonding all their fingers together against the surface to be glued, and having this bond instantly. Is it possible (as I suspect) that the product today has been weakened to avoid this kind of mishap? Is this something that can be documented? ProhibitOnions (T) 12:55, 24 September 2006 (UTC)
The fact that only two people have expressed this opinion is evidence that the experience was probably just bad luck. It may also be better manufacturing: better inhibitors might slow down the bond instead of sticking instantly as it used to. (You can buy different formulations that have different cure speeds.) Piojo ( talk) 07:51, 8 May 2018 (UTC)
Hi all. This article fails to cite its sources per WP:REF. I therefore added the tag for this on the article page. Not citing sources is substandard for Wikipedia articles. Peace, CyberAnth 18:33, 8 October 2006 (UTC) once i ended up with 2 fingers stuck beacuse they were both sprained at the time and it hurt to much to pull it apart my pinky and my ring finger i had to soak it in water —The preceding unsigned comment was added by 67.169.154.107 ( talk) 23:58:27, August 18, 2007 (UTC)
How do they get it into the tube without gluing everything together?
The Toxicity section has this sentence "Due to these toxicity issues, 2-octyl-cyanoacrylate is used for sutures." which sounds contradictory. Does it mean that the issues are not significant enough or is there a crucial "not" missing? Que ( talk) 17:57, 30 March 2008 (UTC)
What exactly is in cyano accelerator (aka "kicker")? The bottle just says "aliphatic hydrocarbons". How does it work? — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
Cyanos are stabilized by acids. Accelerators are usually chemicals that make the bonding surface more basic. Water is a weak base, which is why your fingers bond together. But to really get the reaction to go faster, make the surface more basic. —Preceding unsigned comment added by 144.15.255.227 ( talk) 19:53, 7 October 2010 (UTC)
Ammonia vapor is an effective kicker. And the "aliphatic hydrocarbons" in a bottle of commercial accelerant are just the carrier, not the active ingredient. The active ingredient in the product I looked at was a compound with an amino group, which cyanoacrylate reacts with. Piojo ( talk) 09:39, 14 March 2020 (UTC)
What is in the de-bonder? It seems to be mostly acetone. — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
to cyanides bond to get revert firstly? What are the compounds at hand? — Preceding unsigned comment added by 86.122.163.193 ( talk) 06:42, 9 August 2023 (UTC)
How is foam-safe cyano made? Why is the regular type non-foam friendly? Is either type weaker? — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
Can someone change the bond angle of the cyanide in the polymerization diagram. The C-C-N angle is 180°. I don't know how. —Preceding unsigned comment added by 24.91.19.23 ( talk) 22:44, 20 July 2008 (UTC)
Is a video on Metacafe that could have easily been faked really a reliable enough reference to cite? I really don't think so. Brogandman ( talk) 17:49, 8 October 2008 (UTC)
I removed the claim about combustion. You can add it back if you find *trustworthy* evidence. Or try it yourself if you have the glue and a cotton ball. Piojo ( talk) 07:59, 8 May 2018 (UTC)
It is not common to stringed-instrument players to "form protective finger caps" as noted in the article. I'm a guitarist but I've never heard from that. However, cyanoacrylate is used by classic and flamenco guitarists to strengthen the nails, mostly in combination with silk. This practice is discussed widely on forums, and therefore a few "guitar nail kit" products are available on the market.
Also, "stringed-instrument players" could be replaced by "guitarists" if no other stringed-instrument players use it. But that will take a little investigation. (unsigned)
Many Bass players coat their finger tips with Cyano - I know of both left and right hand fingers being covered. — Preceding unsigned comment added by 75.136.130.210 ( talk) 03:49, 1 December 2013 (UTC)
Neosporin is a topical antibiotic ointment. If it works at all as a solvent or softener for hardened cyanoacrylate glue, then it probably is due to the ointment base, not the antibiotics, and petroleum jelly would work as well and be safer. Alternatively, "neosporin" might be a typo. Pending resolution of this potentially confusing point, which might be hazardous if someone allergic to neosporin tries to use it to remove the glue from their fingers, I have deleted the sentence saying neosporin is a widely available nontoxic solvent for cyanoacrylate glue. CharlesHBennett ( talk) 00:21, 5 January 2010 (UTC)
is super-glue conductor or insulator ? or something more complex like semiconductors ? i think it must be insulator but is there some scientifical data or technica reports ? —Preceding unsigned comment added by 91.77.153.164 ( talk) 21:25, 3 March 2010 (UTC)
The cited source appears to be the singular reference containing such information. If this was legitimate, more of us would have known about it before reading it on Wiki. Chemically it makes absolutely zero sense for cyanoacrylate to react with the fibers of either cotton or wool, both of which are fairly inert. Finally, I was not able to reproduce any sort of reaction. —Preceding unsigned comment added by 129.22.58.218 ( talk) 03:08, 24 March 2010 (UTC)
I just tried to soak up super glue that had run from the nail to the skin with a cotton swab. The burn was so intense, I assumed I must have used the cotton swab previously and had gotten some other chemical on the qtip. After stinking my thumb under running cold water for 15 minutes I started researched what would interact with super glue (cyanoacrylate) and came across a you-tube video about reactions of combining cyanoacrylate and cotton wool. Another reference brought me to this page. I therefore can attest from a personal experience that trying to clean off cyanoacrylate with a cotton swab or cotton ball is NOT a good idea. [1] — Preceding unsigned comment added by 68.231.217.17 ( talk) 19:00, 20 April 2012 (UTC)
My daughter spilled some fingernail glue (alpha cyanoacrylate) onto her denim jeans and now has 2nd degree burns from the reaction. The hospital had seen only 1 case of this, so they are going to make a journal of this. Therefore I can confirm that cyanoacrylate can burn. I hope to link to the journal in the near future. — Preceding unsigned comment added by 2.125.145.113 ( talk) 23:37, 30 October 2014 (UTC)
References
Cyanoacrylate is certainly waterproof when it first bonds. But my understanding was that water (including water vapor) causes a long-term weakening of the bond. Is this true? The article says nothing. WilliamSommerwerck ( talk) 15:07, 2 September 2010 (UTC)
I previously read some cyanoacrylate data sheets that did not mention this decline in strength with moisture, but the data sheet for Loctite 401 (a fairly standard cyanoacrylate) does say the strength declines with time in water. Plus, cyanoacrylate packaging sometimes says it's not water proof. Piojo ( talk) 09:45, 14 March 2020 (UTC)
to the couple of sections above in regard about the previous/70s quality of superglue — Preceding unsigned comment added by 86.122.163.193 ( talk) 06:55, 9 August 2023 (UTC)
Please add information about how it reacts when exposed to high temperatures. What is the maximum temperature of a bond? What special kinds are there for higher temperatures?- 96.237.79.6 ( talk) 16:42, 16 September 2010 (UTC)
To get information like that, you would need to look up the spec sheet of a specific glue. Loctite has detailed specs for their glues, and 3M has pretty good spec sheets as well. Loctite is better for comparing glues side by side, as in this chart. Piojo ( talk) 13:25, 4 September 2015 (UTC)
"I worked for Loctite in the R&D and applications development groups. I developed many modifications and pioneered several unique medical apps using cyanoacrylates. Typically for use in the body the type of CA is called N Propyl Cyanacrylate ester. It is triple distilled for both purity and use. Once the cyanoacylate has polymerized it is considered inert. It is a thermoplastic so will melt when heated to typically above 180C. It is a pure monomer system when seen as a clear watery liquid..."
"sorry but CA's do not have any solvent in them.. they are what is called 100% solids adhesives... meaning they are 100% monomer... No solvents whatso ever... what you smell is the monomer evaporating at ambient conditions.. typically they volatilize during thr first minutes of application.. until the surface etc cures or polymerizes... then there is no smell left.. since all the liquid is polymerized to a solid."
How CA Polymerization occurs
"First you need to know that all CA's are stabilized.. with a weak acid to prevent the polymerization from starting..then when a CA is applied to a surface that is or has been in ambient conditions, meaning it has adsorbed moisture from the air. The cyanoacrylate undergoes anionic polymerization in the presence of the weak base, such as adsorbed water on the surface. More simply, when the adhesive contacts a surface, the water present on the surface neutralizes the acidic stabilizer in the adhesive, initiating the polymerization.. this is why you should always exhale a few breaths on the mating surfaces to be bonded with CA's just prior to bonding.. expecially in dry climates like AZ.. This initiation is different from the Free Radical initiation that anaerobic acrylic adhesives use...CA's and Anaerobic acrylic adhesives.. such Loctite thread bonds, retaining compounds, and adhesives are all very reactive adhesive systems and must be stabilized...but just barely... just enough that they stay stable under normal conditions.. then when that stability is pushed over the edge... voila'..polymerization starts and continues to completion..."
This quote is from forums.randi.org/showthread.php?t=48426 -- an enlightening discussion with a Loctite technical expert.
The article should cover CA being pure monomer in tube, no solvent. Stabilized in tube with weak acid. Sets to thermoplastic, melts at 180C.
Please add information about the odor, smell and taste.- 96.237.79.6 ( talk) 00:31, 28 September 2010 (UTC)
This is serious stuff. Getting your skin glued to something is no joke at the time it happens. How many people seek medical attention a year? How many serious outcomes?- 96.237.79.6 ( talk) 00:32, 28 September 2010 (UTC)
Yes, I think this point should be included in the safety issues section. In Germany, they put warnings on super glue saying it can stick together fingers and eyelids. Georg Stillfried ( talk) 14:56, 25 November 2011 (UTC)
n,n Dimethyl Formamide (DMF) should be listed as a solvent for cured CA adhesive. My understanding is that nitromethane is best, DMF is next-best, acetone is not as good. (But acetone is usually far more available than nitromethane or DMF.)
http://books.google.com/books?id=jwflfc_SEl4C&pg=PA322&lpg=PA322&dq=cyanoacrylate+dmf&source=bl&ots=dQSaNbhVJK&sig=GYD9VYU94xh3CgRSNRLwi3Dw97I&hl=en&sa=X&ei=Um70T6TnLoLO9QSGrs3KBg&sqi=2&ved=0CEYQ6AEwAA#v=onepage&q=cyanoacrylate%20dmf&f=false Jamesdbell8 ( talk) 16:31, 4 July 2012 (UTC)
Citation 19 (Clinical experience with cyanoacrylate tissue adhesive) is used to claim that acetone softens cured cyanoacrylate. However, on page 244 of Clinical experience with cyanoacrylate tissue adhesive, it states: "In our experience, the use of acetone or neodymium: Yag Laser for the removal of the adhesive tissue [cyanoacrylate] did not offer any advantage."
This citation neither proves nor disproves acetone as a debonding agent, a better citation is needed for this section. — Preceding unsigned comment added by 168.244.164.220 ( talk) 01:51, 21 October 2012 (UTC)
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How can something synthesised in 1947 be in the "midst" of a world war II effort...... alternative reality. It might be the "result" of a world war II effort. — Preceding unsigned comment added by 124.171.240.235 ( talk) 06:40, 19 March 2016 (UTC)
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"Super Glue" also an original brand name, but nothing regarding this in article? — Preceding unsigned comment added by 2600:6C54:4400:C76:0:F96D:721B:DEC7 ( talk) 23:27, 11 July 2018 (UTC)
"IP Editor has stated their part in the discussion is over"
The article had it's first major revisions using BR-Eng here back in 2003 and used the variety "vapour" and "ise", not "vapor" or "ize", and that's generally the policy for deciding whether an article that has no strong geographic ties should follow a particular type of national variety.
The location of invention doesn't really tie a globally applied and used product - if superglue were only to be used in the US, it would be a different matter - but it isn't. Everybody uses the compound all across the world. If you can put forward a cogent argument as to why Engvar should be changed, I'm all up for that, but you need to provide the reasoning - and country of invention doesn't cut it. Chaheel Riens ( talk) 11:50, 13 November 2021 (UTC)
Anonymous user 2A00:23C7:2B86:9800:8980:5A4F:99E:2713 has just tagged this article as British English, a tag that did not exist just three days ago, which had the appearance of being added to bolster the claims of an editor engaged in disagreement with another on the subject. In the request that the article remain as is until consensus is reached, it is requested that this tag be removed. 71.112.240.132 ( talk) 23:18, 15 November 2021 (UTC)
The article at this pagename does appear to have been most-recently created in uniform BR-ENG [1] as noted at the top of this thread, and then seems to have remained that way for the 18 years since then. So MOS:RETAIN says we default to keeping it that way unless there's some WP:CONSENSUS for a topic-based reason to change it. DMacks ( talk) 06:00, 16 November 2021 (UTC)
71.112.240.132, unless you have some evidence or rationale (in which case please make a case over at Wikipedia:Sockpuppet investigations) please remove your oblique sock-puppet accusation over at the EW noticeboard, thanks. Chaheel Riens ( talk) 14:32, 17 November 2021 (UTC)
This is turning into a discussion about policy interpretation, not content based on policy interpretaion. I think it would be better continued elsewhere, rather than the article it is being applied to. With regard to the specific issue, the editor requesting use of US-Eng has failed to convince other editors that this is a good idea, and as such there has been no consensus to change or make US-Eng unilateral across the article. Therefore based on the original edits, the DMY tags and BR-Eng usage, it seems logical that this continues, and to prevent this sort of thing happening, consolidation by usage of the BR-Eng template. If the IP editor successfully makes a change to policy surrounding Engvar, then we can revisit this. Nobody is willing to budge ergo there is no change to be made. Chaheel Riens ( talk) 08:22, 27 November 2021 (UTC)
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Isn't this the same stuff used for acrylic nails? Also, are there different strengths? The brands I've used couldn't bond skin permanently even if someone really tried. —Preceding unsigned comment added by 172.191.32.254 ( talk) 12:13, 25 April 2008 (UTC)
If you have a problem with superglue,AKA Cyanoacrylate:
Someone has inserted superglue in the door locks of my car, I was wondering if there is any dissolvent in which I can soak my locks instead of paying some ridiculas amount to install new locks any help would be welcolmed From Jan N.Z
The problem with super glue is that polycyanoacrylate cross links when it cures, so it doesn't actually dissolve in anything (although it will swell and soften in certain solvents). Acetone doesn't really have sufficient chemical similarity to have a great softening effect on it, and ethanol (alcohol) even less so. Chloroform is unlikely to have much effect either, (by the way, it won't make you high unless you are in a very enclosed space and sniff it like crazy, which I wouldn't advise - its carcinogenic for one thing). The best material to try would probably be methylene chloride, but it isn't really readily available and its also quite a toxic product. If you have superglue in car locks, it will hang around and gum things up even if you are able to break it up. New locks, I think. StanPomeray ( talk) 17:04, 23 December 2010 (UTC) (industrial polymer chemist for around 25 years)
This paper says that chloroform works better than anything else they tested, including toluene and dichloromethane--see page 6. Piojo ( talk) 07:55, 30 December 2015 (UTC)
The current article states "If applied to cotton, cyanoacrylate undergoes an exothermic reaction rapid enough to cause minor burns if spilled on clothing, although this reaction is not powerful enough to be noticeable unless it involves more cyanoacrylate than any non-commercial use would reasonably call for." Isn't this a bit of a contradiction? If it's strong or fast enough to cause minor burns, wouldn't it be noticeable? (Also, a recent accidental encounter with said reaction left no doubt in my mind that it's noticeable, and my painful fingers agree...) Eleraama 05:46, 29 August 2007 (UTC)
I think it's supposed to be "flashpoint"? Plus, most sources I've seen says it's either at 85°C or "more than 85"°C.
"The flash point of a flammable liquid is the lowest temperature at which it can form an ignitable mixture with oxygen. At this temperature the vapor may cease to burn when the source of ignition is removed. A slightly higher temperature, the fire point, is defined at which the vapor continues to burn after being ignited. Neither of these parameters is related to the temperatures of the ignition source or of the burning liquid, which are much higher. The flash point is often used as one descriptive characteristic of liquid fuel, but it is also used to describe liquids that are not used intentionally as fuels."
Is super glue usable on ceramics that are heated? Safe for ceramic kitchen ware?
What are the health risks cyanocrylate poses to people? I'm curious because a superglue tube accidentaly felt into a toaster once, and I had a hint of how a chemical attack feels like (not pretty).
if evaporated and breathe in you could probably get a non-cancerous growth.
besides that lung damage, just like smoking your lungs fuse themselves to pretty much any hazardous substance.
just to be sure goto a doctor.
Markthemac
21:26, 24 October 2007 (UTC)
a growth can be created due to particles sticking to it inside your body, causing an infection. Markthemac 21:38, 24 October 2007 (UTC)
[ I very much doubt the veracity of "Its major polymerization byproduct, acetic acid, is biocompatible. Cyanoacrylates are used in orthopedic surgery to glue metal appliances to bone. They are often used, for example, to glue artificial hip appliances to femurs and pelvic girdles." Acetic acid is a byproduct of acetoxy RTV silicones, not cyanoacrylates (CAs). As CAs have poor moisture resistance, they are probably not used as structural adhesives inside the human body, unless meant to be temporary.
In reviewing some abstracts via Google, it looks like there are some problems with N-butyl-2-cyanoacrylate (NBCA), a new-generation cyanoacrylate derivative, and there are some details on the use of "cyanoacrylate glue applied on both deep and superficial tissues" that seem to be slightly negative on animal testing. I don't know much about the field, so I'm just trying to throw out some info, but I personally doubt anyone's using such adhesives to hold hip appliances to femurs. Harmil 20:53, 31 May 2005 (UTC)
With respect to the use of CYANOACRYLATES in orthopedics. I think you will find that most bone cements are actually derived from methyl methacrylates (i.e. PMMA or perspex) and not cyanoacrylates.
Someone got very confused. Acetic acid is a byproduct from the cure of some RTV silicones (acetoxy types) - nothing to do with cyanoacrylate adhesives, which do not really have any cure byproducts. -- borborygmus 19:02, 2005 Jun 1 (UTC)
We often find that superglues caps are not ultra airtight. Bit by bit chemicals will leak out and the glue hardens. What is the solution? —Preceding unsigned comment added by 124.82.116.21 ( talk) 15:20, 10 September 2007 (UTC)
Silica won't be good enough. Use a closet dehumidifier, probably containing calcium chloride. Silica isn't strong enough to protect anything except a small very well sealed container. Piojo ( talk) 07:48, 8 May 2018 (UTC)
The vast majority of this text is ripped straight from Cecil Adams Straightdope. http://www.straightdope.com/mailbag/msuperglue.html
I just deleted references to family and a brother-in-law in the article. Does anyone know why they were in there in the first place? The paragraph is still written in first person, if someone else wants to change it. Emfraser 17:43, 4 August 2005 (UTC)
History of Loctite Corperation Aparently what we know as superglue today was actually invented by Vernon Krieble. Maybe super glue should be separate from Cyanoacrylate? Curretly it is forwarded to this page.
Not suitable for inclusion in the article, but anyone who wants to get a chuckle out of it can do it here:
In the TNG episode "The Child", a type of radiation which causes rapid growth is said to be produced by "certain cyanoacrylates". Clearly some writer in need of a cool-sounding chemical came up with superglue! Andrew Rodland
Health Warning! Sniffing Super Glue is Extremely Dangerous and in some cases couses Death.
For amusement value only: a fellow I knew I college was fond of saying that cyanoacrylates will bond any two substances instantly and permanently provided at least one of them is human skin. Septegram 17:26, 7 September 2006 (UTC)
If cyanoacrylate is used to stop bleeding, certainly some of it will remain under the skin once the wound heals? Does it stay where it was put indefinately or does it get taken up by the body and disposed of somehow? —Ben FrantzDale 13:25, 2 June 2006 (UTC)
Does superglue form a chemical bond with the surfaces on which it adheres, or is it just a mechanical bond? (Or does it depend on the material?) It obviously doesn't stick well to nylon since that's what the bottles are always made of. —Ben FrantzDale 13:25, 2 June 2006 (UTC) they make medical kinds of it and it was deleloped djuring the vienam war to stop bleeding but is not recomended for cuts —The preceding unsigned comment was added by 67.169.154.107 ( talk) 23:55:41, August 18, 2007 (UTC)
the ones in retail aren't body safe, they aren't purely one substance,
and produced in a places like china in non-laboratory environment "need i say more?"
Markthemac
21:31, 24 October 2007 (UTC)
Having tried several brands of superglue lately with less than happy results, I have the strong feeling that the product is far weaker than the superglue sold in the 1970s. Back then there were a lot of stories regarding users bonding all their fingers together against the surface to be glued, and having this bond instantly. Is it possible (as I suspect) that the product today has been weakened to avoid this kind of mishap? Is this something that can be documented? ProhibitOnions (T) 12:55, 24 September 2006 (UTC)
The fact that only two people have expressed this opinion is evidence that the experience was probably just bad luck. It may also be better manufacturing: better inhibitors might slow down the bond instead of sticking instantly as it used to. (You can buy different formulations that have different cure speeds.) Piojo ( talk) 07:51, 8 May 2018 (UTC)
Hi all. This article fails to cite its sources per WP:REF. I therefore added the tag for this on the article page. Not citing sources is substandard for Wikipedia articles. Peace, CyberAnth 18:33, 8 October 2006 (UTC) once i ended up with 2 fingers stuck beacuse they were both sprained at the time and it hurt to much to pull it apart my pinky and my ring finger i had to soak it in water —The preceding unsigned comment was added by 67.169.154.107 ( talk) 23:58:27, August 18, 2007 (UTC)
How do they get it into the tube without gluing everything together?
The Toxicity section has this sentence "Due to these toxicity issues, 2-octyl-cyanoacrylate is used for sutures." which sounds contradictory. Does it mean that the issues are not significant enough or is there a crucial "not" missing? Que ( talk) 17:57, 30 March 2008 (UTC)
What exactly is in cyano accelerator (aka "kicker")? The bottle just says "aliphatic hydrocarbons". How does it work? — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
Cyanos are stabilized by acids. Accelerators are usually chemicals that make the bonding surface more basic. Water is a weak base, which is why your fingers bond together. But to really get the reaction to go faster, make the surface more basic. —Preceding unsigned comment added by 144.15.255.227 ( talk) 19:53, 7 October 2010 (UTC)
Ammonia vapor is an effective kicker. And the "aliphatic hydrocarbons" in a bottle of commercial accelerant are just the carrier, not the active ingredient. The active ingredient in the product I looked at was a compound with an amino group, which cyanoacrylate reacts with. Piojo ( talk) 09:39, 14 March 2020 (UTC)
What is in the de-bonder? It seems to be mostly acetone. — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
to cyanides bond to get revert firstly? What are the compounds at hand? — Preceding unsigned comment added by 86.122.163.193 ( talk) 06:42, 9 August 2023 (UTC)
How is foam-safe cyano made? Why is the regular type non-foam friendly? Is either type weaker? — Preceding unsigned comment added by 87.194.171.29 ( talk) 06:03, 3 July 2008 (UTC)
Can someone change the bond angle of the cyanide in the polymerization diagram. The C-C-N angle is 180°. I don't know how. —Preceding unsigned comment added by 24.91.19.23 ( talk) 22:44, 20 July 2008 (UTC)
Is a video on Metacafe that could have easily been faked really a reliable enough reference to cite? I really don't think so. Brogandman ( talk) 17:49, 8 October 2008 (UTC)
I removed the claim about combustion. You can add it back if you find *trustworthy* evidence. Or try it yourself if you have the glue and a cotton ball. Piojo ( talk) 07:59, 8 May 2018 (UTC)
It is not common to stringed-instrument players to "form protective finger caps" as noted in the article. I'm a guitarist but I've never heard from that. However, cyanoacrylate is used by classic and flamenco guitarists to strengthen the nails, mostly in combination with silk. This practice is discussed widely on forums, and therefore a few "guitar nail kit" products are available on the market.
Also, "stringed-instrument players" could be replaced by "guitarists" if no other stringed-instrument players use it. But that will take a little investigation. (unsigned)
Many Bass players coat their finger tips with Cyano - I know of both left and right hand fingers being covered. — Preceding unsigned comment added by 75.136.130.210 ( talk) 03:49, 1 December 2013 (UTC)
Neosporin is a topical antibiotic ointment. If it works at all as a solvent or softener for hardened cyanoacrylate glue, then it probably is due to the ointment base, not the antibiotics, and petroleum jelly would work as well and be safer. Alternatively, "neosporin" might be a typo. Pending resolution of this potentially confusing point, which might be hazardous if someone allergic to neosporin tries to use it to remove the glue from their fingers, I have deleted the sentence saying neosporin is a widely available nontoxic solvent for cyanoacrylate glue. CharlesHBennett ( talk) 00:21, 5 January 2010 (UTC)
is super-glue conductor or insulator ? or something more complex like semiconductors ? i think it must be insulator but is there some scientifical data or technica reports ? —Preceding unsigned comment added by 91.77.153.164 ( talk) 21:25, 3 March 2010 (UTC)
The cited source appears to be the singular reference containing such information. If this was legitimate, more of us would have known about it before reading it on Wiki. Chemically it makes absolutely zero sense for cyanoacrylate to react with the fibers of either cotton or wool, both of which are fairly inert. Finally, I was not able to reproduce any sort of reaction. —Preceding unsigned comment added by 129.22.58.218 ( talk) 03:08, 24 March 2010 (UTC)
I just tried to soak up super glue that had run from the nail to the skin with a cotton swab. The burn was so intense, I assumed I must have used the cotton swab previously and had gotten some other chemical on the qtip. After stinking my thumb under running cold water for 15 minutes I started researched what would interact with super glue (cyanoacrylate) and came across a you-tube video about reactions of combining cyanoacrylate and cotton wool. Another reference brought me to this page. I therefore can attest from a personal experience that trying to clean off cyanoacrylate with a cotton swab or cotton ball is NOT a good idea. [1] — Preceding unsigned comment added by 68.231.217.17 ( talk) 19:00, 20 April 2012 (UTC)
My daughter spilled some fingernail glue (alpha cyanoacrylate) onto her denim jeans and now has 2nd degree burns from the reaction. The hospital had seen only 1 case of this, so they are going to make a journal of this. Therefore I can confirm that cyanoacrylate can burn. I hope to link to the journal in the near future. — Preceding unsigned comment added by 2.125.145.113 ( talk) 23:37, 30 October 2014 (UTC)
References
Cyanoacrylate is certainly waterproof when it first bonds. But my understanding was that water (including water vapor) causes a long-term weakening of the bond. Is this true? The article says nothing. WilliamSommerwerck ( talk) 15:07, 2 September 2010 (UTC)
I previously read some cyanoacrylate data sheets that did not mention this decline in strength with moisture, but the data sheet for Loctite 401 (a fairly standard cyanoacrylate) does say the strength declines with time in water. Plus, cyanoacrylate packaging sometimes says it's not water proof. Piojo ( talk) 09:45, 14 March 2020 (UTC)
to the couple of sections above in regard about the previous/70s quality of superglue — Preceding unsigned comment added by 86.122.163.193 ( talk) 06:55, 9 August 2023 (UTC)
Please add information about how it reacts when exposed to high temperatures. What is the maximum temperature of a bond? What special kinds are there for higher temperatures?- 96.237.79.6 ( talk) 16:42, 16 September 2010 (UTC)
To get information like that, you would need to look up the spec sheet of a specific glue. Loctite has detailed specs for their glues, and 3M has pretty good spec sheets as well. Loctite is better for comparing glues side by side, as in this chart. Piojo ( talk) 13:25, 4 September 2015 (UTC)
"I worked for Loctite in the R&D and applications development groups. I developed many modifications and pioneered several unique medical apps using cyanoacrylates. Typically for use in the body the type of CA is called N Propyl Cyanacrylate ester. It is triple distilled for both purity and use. Once the cyanoacylate has polymerized it is considered inert. It is a thermoplastic so will melt when heated to typically above 180C. It is a pure monomer system when seen as a clear watery liquid..."
"sorry but CA's do not have any solvent in them.. they are what is called 100% solids adhesives... meaning they are 100% monomer... No solvents whatso ever... what you smell is the monomer evaporating at ambient conditions.. typically they volatilize during thr first minutes of application.. until the surface etc cures or polymerizes... then there is no smell left.. since all the liquid is polymerized to a solid."
How CA Polymerization occurs
"First you need to know that all CA's are stabilized.. with a weak acid to prevent the polymerization from starting..then when a CA is applied to a surface that is or has been in ambient conditions, meaning it has adsorbed moisture from the air. The cyanoacrylate undergoes anionic polymerization in the presence of the weak base, such as adsorbed water on the surface. More simply, when the adhesive contacts a surface, the water present on the surface neutralizes the acidic stabilizer in the adhesive, initiating the polymerization.. this is why you should always exhale a few breaths on the mating surfaces to be bonded with CA's just prior to bonding.. expecially in dry climates like AZ.. This initiation is different from the Free Radical initiation that anaerobic acrylic adhesives use...CA's and Anaerobic acrylic adhesives.. such Loctite thread bonds, retaining compounds, and adhesives are all very reactive adhesive systems and must be stabilized...but just barely... just enough that they stay stable under normal conditions.. then when that stability is pushed over the edge... voila'..polymerization starts and continues to completion..."
This quote is from forums.randi.org/showthread.php?t=48426 -- an enlightening discussion with a Loctite technical expert.
The article should cover CA being pure monomer in tube, no solvent. Stabilized in tube with weak acid. Sets to thermoplastic, melts at 180C.
Please add information about the odor, smell and taste.- 96.237.79.6 ( talk) 00:31, 28 September 2010 (UTC)
This is serious stuff. Getting your skin glued to something is no joke at the time it happens. How many people seek medical attention a year? How many serious outcomes?- 96.237.79.6 ( talk) 00:32, 28 September 2010 (UTC)
Yes, I think this point should be included in the safety issues section. In Germany, they put warnings on super glue saying it can stick together fingers and eyelids. Georg Stillfried ( talk) 14:56, 25 November 2011 (UTC)
n,n Dimethyl Formamide (DMF) should be listed as a solvent for cured CA adhesive. My understanding is that nitromethane is best, DMF is next-best, acetone is not as good. (But acetone is usually far more available than nitromethane or DMF.)
http://books.google.com/books?id=jwflfc_SEl4C&pg=PA322&lpg=PA322&dq=cyanoacrylate+dmf&source=bl&ots=dQSaNbhVJK&sig=GYD9VYU94xh3CgRSNRLwi3Dw97I&hl=en&sa=X&ei=Um70T6TnLoLO9QSGrs3KBg&sqi=2&ved=0CEYQ6AEwAA#v=onepage&q=cyanoacrylate%20dmf&f=false Jamesdbell8 ( talk) 16:31, 4 July 2012 (UTC)
Citation 19 (Clinical experience with cyanoacrylate tissue adhesive) is used to claim that acetone softens cured cyanoacrylate. However, on page 244 of Clinical experience with cyanoacrylate tissue adhesive, it states: "In our experience, the use of acetone or neodymium: Yag Laser for the removal of the adhesive tissue [cyanoacrylate] did not offer any advantage."
This citation neither proves nor disproves acetone as a debonding agent, a better citation is needed for this section. — Preceding unsigned comment added by 168.244.164.220 ( talk) 01:51, 21 October 2012 (UTC)
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How can something synthesised in 1947 be in the "midst" of a world war II effort...... alternative reality. It might be the "result" of a world war II effort. — Preceding unsigned comment added by 124.171.240.235 ( talk) 06:40, 19 March 2016 (UTC)
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"Super Glue" also an original brand name, but nothing regarding this in article? — Preceding unsigned comment added by 2600:6C54:4400:C76:0:F96D:721B:DEC7 ( talk) 23:27, 11 July 2018 (UTC)
"IP Editor has stated their part in the discussion is over"
The article had it's first major revisions using BR-Eng here back in 2003 and used the variety "vapour" and "ise", not "vapor" or "ize", and that's generally the policy for deciding whether an article that has no strong geographic ties should follow a particular type of national variety.
The location of invention doesn't really tie a globally applied and used product - if superglue were only to be used in the US, it would be a different matter - but it isn't. Everybody uses the compound all across the world. If you can put forward a cogent argument as to why Engvar should be changed, I'm all up for that, but you need to provide the reasoning - and country of invention doesn't cut it. Chaheel Riens ( talk) 11:50, 13 November 2021 (UTC)
Anonymous user 2A00:23C7:2B86:9800:8980:5A4F:99E:2713 has just tagged this article as British English, a tag that did not exist just three days ago, which had the appearance of being added to bolster the claims of an editor engaged in disagreement with another on the subject. In the request that the article remain as is until consensus is reached, it is requested that this tag be removed. 71.112.240.132 ( talk) 23:18, 15 November 2021 (UTC)
The article at this pagename does appear to have been most-recently created in uniform BR-ENG [1] as noted at the top of this thread, and then seems to have remained that way for the 18 years since then. So MOS:RETAIN says we default to keeping it that way unless there's some WP:CONSENSUS for a topic-based reason to change it. DMacks ( talk) 06:00, 16 November 2021 (UTC)
71.112.240.132, unless you have some evidence or rationale (in which case please make a case over at Wikipedia:Sockpuppet investigations) please remove your oblique sock-puppet accusation over at the EW noticeboard, thanks. Chaheel Riens ( talk) 14:32, 17 November 2021 (UTC)
This is turning into a discussion about policy interpretation, not content based on policy interpretaion. I think it would be better continued elsewhere, rather than the article it is being applied to. With regard to the specific issue, the editor requesting use of US-Eng has failed to convince other editors that this is a good idea, and as such there has been no consensus to change or make US-Eng unilateral across the article. Therefore based on the original edits, the DMY tags and BR-Eng usage, it seems logical that this continues, and to prevent this sort of thing happening, consolidation by usage of the BR-Eng template. If the IP editor successfully makes a change to policy surrounding Engvar, then we can revisit this. Nobody is willing to budge ergo there is no change to be made. Chaheel Riens ( talk) 08:22, 27 November 2021 (UTC)