C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/00 (2006.01) C08F 8/26 (2006.01) C08F 8/42 (2006.01)
Patent
CA 2365605
A vinyl polymer having halogen groups at the ends is treated with a hydroxy anionic compound in order to remove the halogen groups therefrom. The terminal halogen groups of the vinyl polymer can be easily removed. Thus, the storage stability of the polymer itself or of a curable composition containing the polymer can be improved, and a reactor or various materials to come into contact with the polymer can be prevented from corroding. In particular, a polymer having crosslinkable silyl groups can be made to have significantly improved storage stability.
On traite ce polymère vinylique portant des groupes halogènes sur ses extrémités à l'aide d'un composé anionique hydroxy et ce, pour ôter les groupes halogènes, lesquels groupes halogènes terminaux sont facile à ôter. Il est, de la sorte possible d'améliorer la stabilité à l'entreposage du polymère lui-même ou d'une composition durcissable le contenant. Il est également possible de protéger contre la corrosion un réactif ou d'autres substances entrant en contact avec le polymère. Il est, notamment, possible d'améliorer de façon significative la stabilité à l'entreposage de polymères porteurs de groupes silyles réticulables.
Fujita Nao
Kitano Kenichi
Nakagawa Yoshiki
Kaneka Corporation
Riches Mckenzie & Herbert Llp
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