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

1999-05-04

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548260, 548261, C07D24920, C07D40310, C07D40312

Patent

active

059004878

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: 4996326 (1991-02-01), Leppard et al.

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