Ultraviolet light absorbing silicone compositions

Details Ultraviolet light absorbing silicone compositions Ultraviolet light absorbing silicone compositions

1987-11-19

1989-09-19

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525281, 525478, 528 27, C08L 8310, C08L 8305

Patent

active

048682519

ABSTRACT:
An ultraviolet light absorbing silicone composition comprising silicone elastomer and, covalently bonded thereto, ultraviolet light absorbing component derived from one or more vinyl functional, polymerizable ultraviolet absorbing monomers having the following structures: ##STR1## and mixtures thereof, wherein X is selected from the group consisting of H, alkoxy radicals and halogen, R.sub.1 is selected from the group consisting of H and alkyl radicals, provided that at least one of X and R.sub.1 is other than H, and R.sub.2 and R are independently selected from organic radicals with a terminal double bond.

REFERENCES:
patent: 3159646 (1964-12-01), Milionis et al.
patent: 4250268 (1981-02-01), Rody et al.
patent: 4299746 (1981-11-01), Frye
patent: 4373060 (1983-02-01), Ching
patent: 4380643 (1983-04-01), Yoshida et al.
Polymer Journal, "Functional Polymers XVIII", Kitayama et al., vol. 14, No. 7, pp. 537-543 (1982).

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