Impact modified polyester compositions

Details Impact modified polyester compositions Impact modified polyester compositions

1976-12-23

1978-10-24

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260860, 260873, C08K 332, C08K 336, C08L 6702

Patent

active

041220617

ABSTRACT:
Reinforced, impact modified thermoplastic polyester compositions are provided which comprise a poly(1,4-butylene terephthalate) resin, a poly(ethylene terephthalate) resin, a fibrous glass reinforcement alone or in combination with a mineral reinforcing filler and, as an impact modifier therefor, a polyolefin or olefin based copolymer resin. The polyolefinic impact modifier is easily dispersed in the compositions and provides significantly improved impact strength in surprisingly small amounts, in comparison with corresponding compositions which are unmodified.

REFERENCES:
patent: 3953394 (1976-04-01), Fox et al.

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