Low temperature drying of impact modified polycarbonate/polyeste

Details Low temperature drying of impact modified polycarbonate/polyeste Low temperature drying of impact modified polycarbonate/polyeste

1994-11-22

1996-04-16

Buttner, David

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

Synthetic resins

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

525 67, 525438, 525439, 525463, 524109, 524114, 524265, 524266, C08L 6900, C08L 6702, C08K 554, C08K 515

Patent

active

055083447

ABSTRACT:
A thermoplastic molding composition comprising a resinous blend of polycarbonate, polyester and an impact modifier and an additive amount of a siloxane compound containing a pendant oxirane group is disclosed. It was surprisingly and unexpectedly discovered that unlike the corresponding compositions which contain no siloxane compound, the inventive composition is capable of being dried at low temperatures prior to molding and still maintain high impact strength.

REFERENCES:
patent: 3864428 (1975-02-01), Nakamura
patent: 4677148 (1987-06-01), Chung et al.
patent: 5405892 (1995-04-01), Krishnan

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