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US 4,358,556 AGranted
High impact, high modulus fiber reinforced aromatic carbonate polymers
AssigneeGeneral Electric Company
InventorPetrus C. A. M. van Abeelen
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Abstract
High impact, high modulus thermoplastic molding compositions comprise (a) an aromatic carbonate polymer; (b) a fibrous reinforcing agent essentially free of any sizing agent; and (c) a small amount of a polysiloxane having a substantial content of Si-H bonds.
Claims12
A high impact strength, high modulus thermoplastic composition consisting essentially of per 100 parts by weight (a), (b) and (c), an intimate admixture of:
- (a) from about 95 to about 35 parts by weight of an aromatic carbonate polymer of copolymer;
- (b) from about 5 to about 65 parts by weight of fibrous reinforcing agent essentially free of any sizing agent;
- and
- (c) from about 0.05 to about 4 parts by weight of hydrogen siloxane comprising units of the formula ##STR2## wherein R is hydrogen, C.sub.1 -C.sub.10 alkyl, phenyl or a mixture of any of the foregoing, and n plus m is at least about 4.
1 more element
Dependencies are inferred from the claim text.