Substrate coated or impregnated with flexible epoxy composition

Details Substrate coated or impregnated with flexible epoxy composition Substrate coated or impregnated with flexible epoxy composition

C - Chemistry, Metallurgy

09

D

C09D 5/32 (2006.01) C08G 59/22 (2006.01) C08G 59/24 (2006.01) C08G 59/38 (2006.01) C08G 59/68 (2006.01) C09D 163/00 (2006.01)

Patent

CA 2181256

The present invention relates to an article comprising a substrate which has coated thereon a photopolymerizable epoxy composition containing a plurality of epoxides including at least one selected from the group consisting of bisphenol A epoxides and cycloaliphatic epoxides, and at least one aliphatic epoxide, from about 0.1 % to about 2 % of at least one organometallic cationic initiator capable of initiating polymerization at wavelength of from about 200 to about 600 nm, and optionally at least one accelerating agent. The article can be a flexible tape backing or a chip-resistant paint.

L'invention concerne un article comprenant un substrat revêtu d'une composition époxy photopolymérisable contenant une pluralité d'époxydes constitués au moins d'un des éléments choisi dans le groupe comprenant des époxydes A de bisphénol et des époxydes cycloaliphatiques, et au moins un époxyde aliphatique, environ 0,1 à environ 2 % d'au moins un initiateur cationique organométallique capable d'amorcer la polymérisation à des longueurs d'onde comprises entre environ 200 et environ 600 nm, et éventuellement au moins un accélérateur. L'article peut être un support pour bande souple ou une peinture ne s'écaillant pas.

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