Grafted syndiotactic polypropylene and coextruding binders based on syndiotactic polypropylene
AssigneeArkema Inc.
InventorsJean-Laurent Pradel, Patrice Robert
Life of this patent
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Abstract
A coextrusion binder and a multilayer structure containing the binding wherein the binder contains a composition comprising (I) syndiotactic polypropylene and (II) at least one polymer being: (A), a polyethylene or a copolymer of ethylene, (B), any of (B1) isotactic polypropylene homopolymer of copolymer, (B2) poly(1-butene) homo- or copolymer or (B3) polystyrene homo- or copolymer, and a blend of (A) and (B), said composition being grafted with a functional monomer such that each of I and II is at least partially grafted with said functional monomer.
Claims17
A composition comprising (I) syndiotactic polypropylene and (II) at least one polymer being:
- (A), a polyethylene or a copolymer of ethylene,
- (B), any of (B1) isotactic polypropylene homopolymer or copolymer, (B2) poly(1-butene) homo- or copolymer or (B3) polystyrene homo- or copolymer,
- or a blend of (A) and (B),
- said composition being grafted with a functional monomer such that each of (I) and (II) is at least partially grafted with said functional monomer.
Dependencies are inferred from the claim text.