C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3008, 400/30
C08L 51/04 (2006.01) C08L 51/00 (2006.01) C08L 51/08 (2006.01) C08L 63/10 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2023208
THERMOPLASTIC RESIN COMPOSITION HAVING IMPROVED IMPACT RESISTANCE ABSTRACT OF THE DISCLOSURE Disclosed is a thermoplastic resin composition comprised of: (A) 10 - 90 wt. parts of a graft copolymer obtained by graft-polymerizing, in the presence of (a) 15 - 85 wt. parts of a rubbery polymer selected from organosiloxane rubbers and crosslinked acrylic rubbers, (b) 85 - 15 wt. parts of (a) mixture of (i) 15 - 40 wt.% of a vinyl or vinylidene cyanide monomer, (ii) 25 - 85 wt.% of an aromatic vinyl or vinylidene monomer and (iii) up to 35 wt.% of other ethylenically unsaturated monomer, in which the sum of components (a) and (b) is 100 wt. parts and the sum of components (i) through (iii) is 100 wt.%; (B) 10 - 90 wt. parts of a polyester resin composed mainly of a polyalkylene, polycycloalkylene or polyaralkylene aromatic dicarboxylate; (C) 0 - 70 wt. parts of a polymer of at least one monomer selected from vinyl or vinylidene cyanide monomers, aromatic vinyl or vinylidene monomers and methacrylic acid ester monomers; the sum of components (A), (B) and (C) being 100 wt. parts; and (D) 2 - 20 wt. parts, per 100 wt. parts of components (A), (B) and (C), of a copolymer comprised of a polyolefin copolymerized with 5 - 30 wt.% of glycidyl methacrylate as the main chain and a copolymer comprised of vinyl or vinylidene cyanide monomer units and aromatic vinyl or vinylidene monomer units as the side chain.
Hongo Masafumi
Shigemitsu Hideyuki
Finlayson & Singlehurst
Mitsubishi Rayon Company Ltd.
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