Rim elastomers based on isocyanurates of isophorone...

Details Rim elastomers based on isocyanurates of isophorone... Rim elastomers based on isocyanurates of isophorone...

C - Chemistry, Metallurgy

08

G

C08G 18/22 (2006.01) C08G 18/32 (2006.01) C08G 18/50 (2006.01) C08G 18/66 (2006.01) C08G 18/79 (2006.01)

Patent

CA 2633037

This invention relates to RIM molded elastomers prepared from aliphatic isocyanurates and prepolymers thereof. The reactive systems used to prepare these elastomers exhibit longer gel times with improved flow and can still be demolded in about 30 seconds. The resultant elastomers have good weatherability without painting. This invention also relates to phase stable polyol blends.

Cette invention concerne des élastomères moulés par RIM préparés à partir d~isocyanurates aliphatiques et leurs prépolymères. Les systèmes réactifs utilisés pour la préparation de ces élastomères présentent des temps de gélification plus longs avec un débit amélioré et peuvent toujours être démoulés en environ 30 secondes. Les élastomères résultants présentent une bonne résistance aux intempéries sans peinture. Cette invention concerne également des mélanges de polyol à phase stable.

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