Ultraviolet ray-curable ink

Details Ultraviolet ray-curable ink Ultraviolet ray-curable ink

1991-12-30

1993-04-06

McCamish, Marion E.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 98, C08F 248, C08G 1832, C08G 1869

Patent

active

052004384

ABSTRACT:
An excellent ultraviolet ray-curable ink for printing which shrinks little at the time of curing, and exhibits high adhesion, followability, aging-crack resistance, elasticity, elongation, tenacity, chemical resistance, and a scratch resistant property, by a novel ultraviolet ray-curable ink comprising by weight; 100 parts of an ultraviolet ray-curable rubbery copolymer having the general formula ##STR1## wherein R represents an alkylene group having 2-8 carbon atoms, R.sub.1 is H or CH.sub.3, R.sub.2 is a residue of diisocyanate, R.sub.3 is a residue of dihydric alcohol from which at least one or more hydroxyl group is removed, X is a moiety of dienic liquidus rubber having at least one or more hydroxyl groups from which at least one or more hydroxyl groups is removed, l is a number of 1-4, m is a number of 1.0<m<3.0, n is a number of 1-12; 50-500 parts of at least one kind of mono or polyfunctional monomer; 0-300 parts of at least one kind of mono or polyfunctional photopolymerizable oligomer; and 1-30 parts of a photopolymerization initiator.

REFERENCES:
patent: 3855379 (1974-12-01), Araki et al.
patent: 4422914 (1983-12-01), Tsao et al.
Derwent abstract of J 60123525-A Jul. 2, 1985.

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