C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4003, 400/50
C08L 23/04 (2006.01) C08J 3/22 (2006.01) C08L 33/00 (2006.01) C08L 43/04 (2006.01)
Patent
CA 2023942
ABSTRACT OF THE DISCLOSURE A concentrate comprising a carrier polymer and at least 30%, by weight of the carrier polymer, of at least one modifying agent for a thermoplastic polymer is disclosed. The carrier polymer is a polymer of alpha-olefins having a heat of crystallization of less than 70 J/g and, if the copolymer is an ethylene/vinyl acetate copolymer, containing at least 18% by weight of vinyl acetate comonomer. The modifying agent is absorbed into the carrier polymer. In embodiments, the modifying agent is a polymerizable monomer. The concentrates provide a versatile method of addition of modifying agents into thermoplastic polymers. DC-0231
Boocock John R. B.
Harbourne David Alan
Boocock John R. B.
Du Pont Canada Inc.
Harbourne David Alan
Sim & Mcburney
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