Chemically linked interpenetrating network

Details Chemically linked interpenetrating network Chemically linked interpenetrating network

C - Chemistry, Metallurgy

08

J

400/5140, 154/12

C08J 3/24 (2006.01) C08F 283/10 (2006.01) C08L 63/00 (2006.01) H05K 1/03 (2006.01)

Patent

CA 2025391

ABSTRACT Polymeric materials comprising an interpenetrating network (IPN) prepared from allyl polymers and epoxy resins. The allyl polymers are crosslinked under the influence of a radical initiator, the epoxy resin is crosslinked by a curing agent. The curing agent is a cyclic anhydride containing a polymerizable double bond. The two networks are interlinked as a result of the double bond being involved in the curing reaction of the allyl polymers. The cyclic anhydride preferably is maleic anhydride. Preferred IPN's are prepared from triallylcyanurate or triallylisocyanurate-based allyl polymers and phenol-type epoxy resin.

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