G - Physics – 03 – F
Patent
G - Physics
03
F
96/176
G03F 7/027 (2006.01) C08C 19/36 (2006.01) C08F 279/02 (2006.01)
Patent
CA 1066105
ABSTRACT OF THE DISCLOSURE: A photo-setting composition comprises (A) 100 weight parts of a product prepared by esterifying a maleic anhydride adduct of a liquid polybutadiene with a hydroxyl compound having the formula: Image (I) in which R1 and R2 are the same or different and each represents hydrogen or methyl, the adduct having an acid value of from 120 to 250 and a viscosity at 50°C. of from 2,000 to 100,000 centipoises; (B) 10 - 150 weight parts of at least one unsaturated compound selected from the group consisting of a hydroxyl compound of the formula (I) defined above, a di(meth)-acrylate compound having the formula: Image (II) in which R3, R4 and R5 are the same or different and each represents hydrogen or methyl and n is an integer of 1 - 4, and a glycidyl monoester compound having the formula: Image (III) in which R6 represents hydrogen or methyl; and (C) 0.5 - 10 weight parts of a benzoinether compound having the formula: Image (IV) in which R7 represents an alkyl group containing 1 - 3 carbon atoms. The photo-setting composition of the invention is particularly useful for forming printing reliefs through photo- radiation.
249408
Andou Hiroshi
Hayashi Toshikazu
Nakano Tsunetomo
Nishio Kazuaki
Na
Ube Industries
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