Polyamide compositions

Details Polyamide compositions Polyamide compositions

1994-02-14

1996-01-09

Carrillo, Ana L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524504, 524514, 525179, C08L 7700

Patent

active

054829976

ABSTRACT:
Impact resistant polyamide composition containing more than 45 wt. % polyamide and relatively minor amounts of an impact modifier. The impact modifier is an elastomer with groups that are reactive with respect to the polyamide. The impact modifier has an adverse effect on the high-temperature properties, which were already poor. According to the invention, compositions of polyamide, impact modifier and a copolymer of a vinylaromatic compound, in particular styrene, and maleic anhydride have improved high-temperature properties while maintaining good impact resistance.

REFERENCES:
patent: 4528326 (1985-07-01), Dean
patent: 4777211 (1988-10-01), Lavengood et al.
patent: 4981906 (1991-01-01), Tomono et al.
patent: 5049613 (1991-09-01), Shimizu et al.
patent: 5122570 (1992-06-01), Subramanian
patent: 5237003 (1993-08-01), Otawa et al.

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