Polyphenylene ether compositions including rubber reinforced...

Details Polyphenylene ether compositions including rubber reinforced... Polyphenylene ether compositions including rubber reinforced...

C - Chemistry, Metallurgy

08

L

400/3026, 400/48

C08L 51/08 (2006.01) C08L 51/04 (2006.01) C08L 51/06 (2006.01) C08L 71/12 (2006.01) C08L 67/00 (2006.01) C08L 71/02 (2006.01)

Patent

CA 1157994

ABSTRACT A polyphenylene ether composition excellent in impact resistance, heat stability, gloss and processability which contains (a) 80-20 weight parts of polyphenylene ether resin, and (b) 20-80 weight parts of a rubber-reinforced polystyrene wherein 5-25 weight % of poly- butadiene having 15-35 % of 1,2-vinyl- structure is dispersed forming discontinuous elastomer phase, particularly said polyphenylene ether resin being a polymer having the following recurring unit I or units I and II: Image Image (I) (II) wherein R1 - R6 represent the same or different monovalent residual groups such as alkyl group having 1 - 4 carbon atoms excluding tert.-butyl group, aryl group, halogen or hydrogen, but R5 and R6 are not hydrogens at the same time.

385447

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