Grafted syndiotactic polypropylene and coextruding binders based on syndiotactic polypropylene
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United States of America Patent
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Jun 27, 2006
Grant Date -
Jan 22, 2004
app pub date -
Jun 14, 2001
filing date -
Jun 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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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.
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