Polymer mixture and articles formed therefrom

Details Polymer mixture and articles formed therefrom Polymer mixture and articles formed therefrom

1992-11-23

1993-10-12

Buttner, David J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524412, 524417, 525 67, 525439, C08K 332, C08L 6900, C08L 6702

Patent

active

052526534

ABSTRACT:
The invention relates to polymer mixtures which comprise a polyalkylene phthalate and an aromatic polycarbonate and/or a brominated aromatic carbonate oligomer, polymer or copolymer. It has been found that zinc or calcium hydrogen phosphates are good transesterification inhibitors. An important advantage of the said inhibitors is that they do not condense or hardly condense to polyphosphates and that they do not negatively influence the impact strength of the polymer mixture.

REFERENCES:
patent: 3953539 (1976-04-01), Kawase
patent: 4239677 (1980-12-01), Dieck
patent: 4532290 (1985-07-01), Jaquiss
patent: 4981898 (1991-01-01), Bassett

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