C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3003
C08L 51/04 (2006.01) C08L 25/00 (2006.01) C08L 25/04 (2006.01) C08L 71/12 (2006.01) C08L 51/00 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01) C08L 75/00 (2006.01) C08L 81/00 (2006.01)
Patent
CA 1242041
ABSTRACT OF THE DISCLOSURE A novel polyphenylene ether resin composition which possesses outstanding impact resistance and weatherability and retains the advantageous properties inherent in poly- phenylene ether is disclosed, which comprises: (A) 10 to 90 parts by weight of a polyphenylene ether resin, (B) 0 to 88 parts by weight of a polystyrene-type resin, and (C) 1 to 25 parts by weight of an alkyl acrylate-type core-shell graft copolymer comprising (1) 50 to 80% by weight of a cross-linked elastic copolymer formed by copolymerizing an alkyl acrylate having 2 to 12 carbon atoms in the alkyl group thereof and a conjugate diene as main comonomers and (2) 50 to 20% by weight of a shell of hard resin formed by graft polymerizing an aromatic monovinyl compound and methyl methacrylate as main comonomers in a plurality of steps on the aforementioned elastic core.
472625
Mitsubishi Gas Chemical Company Inc.
Smart & Biggar
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