Polyphenylene ether compositions
Abstract
Abstract THERE ARE PROVIDED HIGH IMPACT STRENGTH THERMOPLASTIC COMPOSITIONS COMPRISING IN COMBINATION (A) A POLYPHENYLENE ETHER RESIN, (B) A POLYSTYRENE RESIN AND (C) AN INTERPOLYMER OF 30 TO 70 PARTS BY WEIGHT OF A DIENE RUBBER WITH 70 TO 30 PARTS BY WEIGHT OF (I) A VINYL AROMATIC COMPOUND OR (II) A MIXTURE OF A VINYL AROMATIC COMPOUND AND AN ACRYLIC ESTER, THE COMPOSITIONS HAVING A DISPERSED ELASTOMERIC PHASE WITH AT LEAST 85% OF THE NUMBER OF PARTICLES BEING ABOUT 0.5 MICRON OR LESS IN SIZE AND LESS THAN 15% OF THE NUMBER OF PARTICLES BEING GREATER THAN ABOUT 0.5 MICRON IN SIZE. THE COMPOSITIONS PROVIDE MOLDED ARTICLES WITH SUBSTANTIAL AND UNEXPECTED IMPROVEMENTS IN IMPACT RESISTANCE-ESPECIALLY AT LOW TEMPERATURES-AND ENHANCED SURFACE APPEARANCE.
Inventors
- 👤 D Carmelite
- 👤 M Kramer
- 👤 G Lee
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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