Heat resistant copolymer blends containing n-aromatic...

C - Chemistry – Metallurgy – 08 – L

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400/6511

C08L 25/00 (2006.01) C08L 25/12 (2006.01) C08L 35/06 (2006.01) C08L 39/00 (2006.01)

Patent

CA 1185737

ABSTRACT OF THE DISCLOSURE A heat resistant resin composition having excel- lent stability at high temperature comprises 10 to 90 wt.% of a copolymer (A) having 15 to 50 wt.parts of N- aromatic-maleimide component, 85 to 40 wt/parts of a vinyl aromatic monomer component and 0 to 30 wt/parts of a vinyl comonomer component to be 100 wt.parts in total; and 90 to 10 wt.% of a copolymer (B) having 15 to 30 wt.parts of a cyanovinyl monomer component, 85 to 65 wt.parts of a vinyl aromatic monomer component and 0 to 30 wt.parts of a vinyl comonomer component. The composition of the present invention has excellent heat resistance and stability at high temperature and excellent fluidity in the molding and processing and has good miscibility with the other resins and can blend with ABS resin or AS resin so as to improve the impact strength.

391382

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