Polyolefin, rubber and eva-maleic anhydride terpolymer blend

Details Polyolefin, rubber and eva-maleic anhydride terpolymer blend Polyolefin, rubber and eva-maleic anhydride terpolymer blend

1991-12-30

1993-03-30

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

523437, 523438, C08L 2308, C08L 2314, C08L 2316, C08K 501

Patent

active

051984970

ABSTRACT:
Dynamically vulcanized multi-component polymer blends are prepared containing thermoplastic polyolefins, non-vulcanized rubber, and ethylene-vinyl acetate-maleic anhydride terpolymer crosslinked in situ. The dynamically vulcanized blend is prepared from a crosslinkable composition containing thermoplastic polyolefin, rubber, non-crosslinked ethylene-vinyl acetate-maleic anhydride terpolymer, epoxy, and tertiary amine. The crosslinkable composition is crosslinked at an elevated temperature for sufficient time to crosslink the ethylene-vinyl acetate maleic anhydride terpolymer without substantial decomposition forming uniform dispersion of small particles of rubber and ethylene-vinyl acetate-terpolymer in the thermoplastic polyolefin matrix.

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