Compositions comprising sulfur-containing derivatives of hydroxy

Details Compositions comprising sulfur-containing derivatives of hydroxy Compositions comprising sulfur-containing derivatives of hydroxy

1992-11-24

1993-12-28

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

528388, 548260, 548261, C08K 53495

Patent

active

052740153

ABSTRACT:
A composition that, when present in a polymer matrix, reduces the deleterious effect of UV light absorption by the polymer is provided, which comprises a sulfur-containing derivative of hydroxyphenylbenzotriazole having the formula of: ##STR1## wherein each X is selected from the group consisting of hydrogen, halogens, cyano, alkyl, phenyl group, biphenyl group, arylthio, amine, ketone, aldehyde, alkoxy, hydroxy, carboxylic acid group, oligomer and combinations thereof and can have carbon atoms up to about 20; n is a whole number from 1 to 5; n' is a whole number from 0 to 4; n" is a whole number from 1 to 2 and each n" can be the same or different; q is an integer from 1 to 10; each Y is selected from the group consisting of --S(O)(O)--, --S(O)--, and --S--; each R can be selected from the group consisting of hydrogen, alkyl group, alkenyl group, aralkyl group, alkaryl group, and combinations thereof and can have 0 to about 10 carbon atoms; each OH group can be at either the 2'- or the 6'-position, or both.

REFERENCES:
patent: 2677617 (1954-05-01), Thompson
patent: 3004896 (1961-10-01), Heller et al.
patent: 3272869 (1966-09-01), O'Shea
patent: 4403054 (1983-09-01), Mark et al.
patent: 4853471 (1989-08-01), Rody et al.
patent: 4871793 (1989-10-01), Nakahara et al.

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