The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1993
Filed:
Dec. 30, 1991
Toshihiro Fujii, Fukuyama, JP;
Hiroki Nii, Fukuyama, JP;
Makoto Ikeda, Fukuyama, JP;
Masao Etori, Nishikasugai, JP;
Ban Tanaka, Toyota, JP;
Hayakawa Rubber Co., Ltd., , JP;
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.