C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5033, 400/53
C08L 23/04 (2006.01) C08J 3/22 (2006.01) C08L 31/04 (2006.01) C08L 33/06 (2006.01) C08L 43/04 (2006.01)
Patent
CA 2023948
ABSTRACT OF THE DISCLOSURE A concentrate comprising a copolymer and 65 to 300%, by weight of the copolymer, of a vinyl silane is disclosed. The vinyl silane is vinyl trimethoxysilane and/or vinyl triethoxysilane. The copolymer is a copolymer of ethylene with at least one comonomer selected from the group consisting of carbon monoxide, vinyl acetate, alkyl acrylates and alkyl methacrylates, in which the alkyl groups have 1-4 carbon atoms. The copolymer is in a particulate form and has a heat of crystallization of less than 70 J/g, and if said copolymer is ethylene/vinyl acetate copolymer, then the copolymer has a vinyl acetate content of at least 18% by weight. The concentrate is maintained in a moisture-free environment and is in solid form. The concentrates are used in the moisture cross-linking of alpha-olefin polymers and offer versatility in processes for such cross-linking. DC-0228
Boocock John Roger Brooke
Harbourne David Alan
Dimock Stratton Llp
Du Pont Canada Inc.
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