Process for sulfur-containing derivatives of hydroxyphenylbenzot

Details Process for sulfur-containing derivatives of hydroxyphenylbenzot Process for sulfur-containing derivatives of hydroxyphenylbenzot

1994-02-17

1995-04-25

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24920

Patent

active

054100712

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. Also provided are a composition comprising the sulfur-containing derivative, a process for preparing the derivative, a composition comprising a polymer chemically bonded to the derivative, and a process for preparing the composition which comprises a polymer chemically bonded to the derivative.

REFERENCES:
patent: 3004986 (1991-10-01), Heller et al.
patent: 4853471 (1989-08-01), Rody et al.
patent: 4871793 (1989-10-01), Nakahara et al.
Macromolecules, vol. 24, No. 15, 1991 "Mechanism of Poly(p-phenylene sulfide) Growth from p-Dichlorobenzene and Sodium Sulfide", Darryl R. Fahey and Carlton E. Ash, pp. 4242-4249.

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