High molecular weight stabilizer compounds for stabilizing polym

Details High molecular weight stabilizer compounds for stabilizing polym High molecular weight stabilizer compounds for stabilizing polym

1998-06-26

1999-07-06

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 6400

Patent

active

059198915

ABSTRACT:
A high molecular weight stabilizer compound formed as an ester of 3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-benzene-propanoic acid, or structural variants thereof, to impart improved resistance to the effects of ultraviolet radiation to polycarbonate comprising polymers, a process for the preparation of said compound, and articles of manufacture comprising said compound.

REFERENCES:
patent: 5523379 (1996-06-01), Rosenquist
patent: 5807963 (1998-09-01), Rosenquist

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