Polymer mixture from ABS or ABS +PC and a copolyether ester bloc

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524166, 524292, 525 64, 525 67, C08L 6900

Patent

active

056059485

ABSTRACT:
The invention relates to a polymer mixture which comprises the following constituents: Ai) a graft copolymer built up from a rubber-like graft base consisting substantially of a butadiene rubber, on which one or more vinylaromatic monomeric compounds and one or more unsaturated nitrile monomeric compounds have been grafted or Aii) a mixture of Ai and an aromatic polycarbonate, and B) a copolyether ester block copolymer having a polyether block which is derived from an ethylene-oxide-capped poly-(propylene oxide)glycol, having an ethylene oxide content of 15-35% by weight and a number-averaged molecular weight of 1,500-3,000.

REFERENCES:
patent: 4508870 (1985-04-01), Dufour
patent: 4687835 (1987-08-01), Zeilstra

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