Molded articles of improved impact resistance and compositions t

Details Molded articles of improved impact resistance and compositions t Molded articles of improved impact resistance and compositions t

1981-08-04

1983-02-08

Ziegler, J.

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

Synthetic resins

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

524281, 524412, 524492, 524493, 524508, 524513, 524515, 524539, 525166, 525177, C08L 6700, C08L 6900

Patent

active

043730671

ABSTRACT:
Modified thermoplastic polyester molding compositions are provided which comprise (a) a poly(1,4-butylene terephthalate) resin and (b) a modifier therefor comprising at least one member of the group consisting of cis-polybutadiene, poly(butadiene-acrylonitrile), and poly(isoprene-isobutylene), and, optionally: (c) one or more poly(C.sub.2 -C.sub.6 -alkylene phthalate) resins; (d) an aromatic polycarbonate as supplementary modifier for improving the resistance of articles molded from the composition to fracture on impact; (e) polyethylene as carrier for said component (b); (f) one or more fillers and/or reinforcing agents; and (g) a flame retardant.

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