Copolymers crosslinkable by ultraviolet radiation in the atmosph

Details Copolymers crosslinkable by ultraviolet radiation in the atmosph Copolymers crosslinkable by ultraviolet radiation in the atmosph

1991-04-29

1991-12-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

4272082, 4272084, 522 6, 522 33, 522 34, 522 35, 522 36, 526301, 526316, 526319, 5263294, 5263295, 5263296, 5263297, 526332, 526343, 526344, 526346, C08F 248, C08F 250, C08F21202

Patent

active

050736116

ABSTRACT:
Copolymers which are curable by ultraviolet radiation in the air are prepared by a process in which a mixture of (A) from 80 to 99.9% by weight of olefinically unsaturated monomers, (B) from 0 to 10% by weight of a copolymerizable olefinically unsaturated, photoreactive compound which, in the excited state produced by UV radiation, is capable of abstracting hydrogen and (C) from 0 to 10% by weight of a polymerization-regulating photoreactive compound which, in the excited state, is capable of abstracting hydrogen is subjected to free radical polymerization, the sum of (B) and (C) being not less than 0.1% by weight and the stated percentages by weight being based on the sum of the weights of (A)+(B)+(C).

REFERENCES:
patent: 3575925 (1971-04-01), Skoultchi
patent: 4737559 (1988-04-01), Kellen et al.

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