C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 71/12 (2006.01) C08L 25/02 (2006.01) C08L 51/06 (2006.01) C08L 53/02 (2006.01) C08L 59/00 (2006.01) C08L 61/00 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01) C08L 77/00 (2006.01) C08L 81/02 (2006.01) C08L 85/00 (2006.01)
Patent
CA 2133904
ABSTRACT OF THE DISCLOSURE: A polyphenylene ether thermoplastic resin com- position excellent in impact resistance, particularly surface impact strength, which comprises a blend of: 95 to 5 parts by weight of a mixture of: (A) 1 to 100 % by weight of a polyphenylene ether resin and (B) 0 to 99% by weight of an alkenyl aromatic resin, with (C) 5 to 95 parts by weight of a graft copolymer obtained by graft-copolymerizing (a) an alkenyl aromatic compound and, if necessary, (b) other unsaturated mono- mer onto (c) an ethylene-.alpha.-olefin copolymer rubber having a ratio (Q value) of weight average molecular weight/number average molecular weight as measured by GPC of 4.0 or less and having a Mooney viscosity at 121°C of 40 or more, in which graft copolymer the weight ratio of (a) the alkenyl aromatic compound/(b) the other unsaturated monomer/(c) the ethylene-a-olefin copolymer rubber is 20-80/0-18.4/80-20 (the total of the component (a) and the component (c) is 100 parts by weight) and the weight ratio of the component (b)/(the component (a) + the component (b)) is 0.23 or less.
Fujii Takeshi
Inagaki Katsunari
Odashima Mitsuyoshi
Saga Yuji
Marks & Clerk
Sumitomo Chemical Co. Ltd.
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