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oldcorollas
Forums Junkie

Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003

Re: superglue misadventures

Tue, 28 December 2004 15:04

the neat thing about cyano-acrylates is that they polymerise when exposed to water (or alkali). things like eyeballs, tongues, and fingers all have lots water on their surface to make that reaction work fast Very Happy

. is also why it takes longer to stick to solid surfaces like plastic or metal.... a bit of humidity does wonders Wink

oh and searching for superglue brings up this

Quote:

Most industrial or household grade\ cyanoacrylate is shorter alkyl chain derivatives such as methyl or ethyl cyanoacrylate. They offer both strong bonding and economical price. They are very useful for temporarily holding tissues such as mounting specimens for microtome sectioning. However, they are not suitable for bonding wounds on live animals.

ummmm

Quote:

The difficulties of using cyanoacrylate for bonding live animals are: (1) a strong irritating odor; (2) quick loss of bonding strength due to breakdown of the bonding by hydration; (3) the breakdown products, cyanoacetate and formaldehyde, are toxic and can cause inflammatory reactions; and (4) they have low flexibility and tend to be brittle.To overcome these problems, several longer alkyl chain cyanoacrylates have been developed specially for veterinary and human use. The first longer alkyl chain product is butyl cyanoacrylate. This product has been used for animal and human applications outside the USA since 1970. It is much less toxic and has a lower odor than the methyl or ethyl cyanoacrylate.

oookay then....

[Updated on: Tue, 28 December 2004 15:07]

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