Compositions of polyphenylene ether resin and high impact polyst

Details Compositions of polyphenylene ether resin and high impact polyst Compositions of polyphenylene ether resin and high impact polyst

1983-12-22

1985-11-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524336, 524337, C08K 534

Patent

active

045555389

ABSTRACT:
The ultraviolet light stability of polyphenylene ether resins and blends is improved by the addition of small amounts of ortho-hydroxy-substituted alkoxybenzophenones and tetraalkyl dipiperidinyl aliphatic diesters in combination, as described. Plasticized, flame retardant and mineral filled versions are also disclosed.

REFERENCES:
patent: 3563934 (1971-02-01), Burnett
patent: 3925509 (1975-12-01), Cooper et al.
patent: 4016138 (1977-04-01), Anderson
patent: 4024093 (1977-05-01), Abolins et al.
patent: 4288631 (1981-09-01), Ching
patent: 4315848 (1982-02-01), Dexter et al.
patent: 4385146 (1983-05-01), Axelrod
patent: 4444934 (1984-04-01), Kasahara et al.
A. R. Patel et al, "Ultraviolet Stabilization of Polymers: Development with Hindered-Amine Light Stabilizers", Stabilization and Degradation of Polymers, David L. Allara et al, Advances in Chemistry Series No. 169, American Chemical Society, Wash., D.C., 116-132, (1978).

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