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Degradation of poly(methyl 2-cyanoacrylates)

✍ Scribed by Wade, Clarence W. R. ;Leonard, Fred

Publisher: John Wiley and Sons
Year: 1972
Tongue: English
Weight: 304 KB
Volume: 6
Category: Article
ISSN: 0021-9304
DOI: 10.1002/jbm.820060310

No coin nor oath required. For personal study only.

✦ Synopsis

Methyl 2-cyanoacrylate-2-l4C, -3-*4c and -1CN tagged monomers were im planted subcutaneously in mongrel dogs and their urine assayed for radioactivity. The results show that the urea from the -3-14C was radioactive and radioactive acidic components, as well as neutral moieties, were present. Urea recovered from the urine of animals in which the -2-14C and -14CN methyl 2-cyanoacrylate were implanted was only very slightly radioactive. The data are consistent with the hypothesis that hydrolytic chain scission and ester hydrolysis may be involved in t,he degradation of 2-cyanoacrylates in vivo.

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