C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3080
C08L 51/04 (2006.01) C08L 23/02 (2006.01) C08L 23/06 (2006.01) C08L 23/10 (2006.01) C08L 25/06 (2006.01) C08L 51/06 (2006.01)
Patent
CA 1255835
ABSTRACT OF THE DISCLOSURE A polymer resin comprising a blend of an olefin polymer, such as polyethylene, a monovinylidene aromatic polymer, such as polystyrene, and a graft copolymer compatibilizing agent. The compatibilizing agent comprises an .alpha.-olefin copolymer substrate grafted with amounts of monovinylidene aromatic polymer. Preferably, the .alpha.-olefin copolymer substrate is a terpolymer of ethylene, propylene and a non-conjugated diolefin. This thermoplastic material has very desirable property combinations, combining the desirable properties from the olefinic and monovinylidene aromatic polymers. The blend can be shaped into final pro- ducts by thermoforming techniques yet possesses many desir- able polyolefin properties such as environmental stress crack resistance. 31,142-F
475073
Smart & Biggar
The Dow Chemical Company
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