2(2-hydroxyphenyl)2H-benzotriazole compounds and homopolymers or

Details 2(2-hydroxyphenyl)2H-benzotriazole compounds and homopolymers or 2(2-hydroxyphenyl)2H-benzotriazole compounds and homopolymers or

1988-09-15

1992-03-24

Schofer, Joseph L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548260, 526259, 524 94, C07D24916, C08F 2606

Patent

active

050990276

ABSTRACT:
Polymerizable ethylenically unsaturated monomers comprising the reaction product of a 1,2-epoxy group-containing polymerizable ethylenically unsaturated monomer and a 2(2-hydroxyphenyl)2H-benzotriazole compound of the structure: ##STR1## where X is=to H, OR and NR.sub.2 where R=alkyl; Z'=H and C.sub.2 H.sub.4 OH; Z and Y=H when Z'=C.sub.2 H.sub.4 OH; when Z'=H, Y and Z=OH or Y=H and Z.times.OH are disclosed. The monomers are useful in preparing free radical initiated addition polymers. Polymers can also be prepared by first preparing a free radical initiated addition polymer derived from a 1,2-epoxy group-containing polymerizable ethylenically unsaturated monomer and subsequently reacting the polymer with the benzotriazole compound. Both types of polymer contain permanent polymer-bound ultraviolet light stabilizers and are useful as binders for exterior coatings, as resins for the manufacture of optical lenses, and as components for sunscreens and suntanning lotions.

REFERENCES:
patent: 3493539 (1970-02-01), Skoultchi
patent: 4220788 (1980-09-01), Bader et al.
patent: 4716234 (1987-12-01), Dunks
Monatshefte fur Chemie, 115, 853-868 (1984).
Mackromol. Chem., 185, 2497-2509 (1984).
Polymer, 26, 1288-1296 (1985).

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