Polycarbonate having improved hydrolytic stability

Details Polycarbonate having improved hydrolytic stability Polycarbonate having improved hydrolytic stability

1978-07-31

1983-02-15

Hoke, V. P.

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...

C08K 509

Patent

active

043742262

ABSTRACT:
Polycarbonates are provided with hydrolytic stability by combining the polycarbonate polymer with a carboxylic acid salt of cadmium. The cadmium salt provides improved hydrolytic stability to both polycarbonates based on diphenols and halogenated diphenols over conventional stabilizers, and does not detrimentally affect other properties such as color stability, haze, initial tensile strength and elongation.

REFERENCES:
patent: 3475372 (1969-10-01), Gable
patent: 3535300 (1970-10-01), Gable
patent: 3763063 (1973-10-01), Factor
patent: 3769367 (1973-10-01), Factor
patent: 3809676 (1974-05-01), Liberti

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