Photocurable resin compositions

Details Photocurable resin compositions Photocurable resin compositions

1977-02-02

1978-04-18

Lieberman, Paul

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415919, 20415923, 20415924, 260835, 260836, 260837R, C08L 6300, C08F 800

Patent

active

040850188

ABSTRACT:
A photocurable resin composition comprising (I) an unsaturated polyester resin obtained by reacting (B) an epoxy compound containing at least about 2 epoxy groups per molecule obtained by reacting metylidene diphenol with .beta.-methylepichlorohydrin or epichlorohydrin, with (C) an unsaturated monobasic acid in the presence or absence of (A) a dicarboxylic acid containing at least 4 methylene groups interposed between the two carboxyl groups, or a carboxyl-terminated oligopolyester obtained by esterifying a saturated or unsaturated dibasic acid with a polyhydric alcohol, (II) a polymerizable vinyl monomer capable of addition polymerization with the unsaturated polyester resin (I), and (III) a photopolymerization initiator having an action of promoting radical polymerization by the irradiation of light.

REFERENCES:
patent: 3256226 (1966-06-01), Fekete
patent: 3450613 (1969-06-01), Steinberg
patent: 3773856 (1973-11-01), Takiyama
patent: 3808114 (1974-04-01), Tsuchihara
patent: 3892819 (1975-07-01), Najvar

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