Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1992-04-09
1994-08-16
Berman, Susan
Stock material or miscellaneous articles
Composite
Of polyamidoester
522 96, 522 97, B32B 2700, B32B 2740, C08G 7104
Patent
active
053386132
ABSTRACT:
A photocurable resin composition comprising (a) 10 to 90 parts by weight of a urethane acrylate resin which is obtainable by reacting a polyester in which an alicyclic dicarboxylic acid component accounts for 100 mole percent of the total acid component and an aliphatic diol having a side chain and/or alicyclic diol accounts for 60 to 100 mole percent of the total alcohol component while an aliphatic tri- or polyol accounts for 40 to 0 mole percent with (i) an aliphatic or alicyclic polyisocyanate and an active hydrogen compound containing a polymerizable unsaturated group or (ii) a monofunctional isocyanate compound containing a polymerizable unsaturated group within the molecule, (b) 90 to 10 parts by weight of a non-aromatic crosslinking agent having at least one (meth)acryloyl group within the molecule, and (c) an effective amount of a photosensitizer to initiate a photopolymerization reaction between (a) and (b). The composition has a high degree of weather resistance corresponding to a weather-o-meter time of not less than 4,000 hours.
REFERENCES:
patent: 4186227 (1980-01-01), Wulff et al.
patent: 4370387 (1983-01-01), Ueno et al.
patent: 4691045 (1987-09-01), Fukuchi et al.
patent: 4745003 (1988-05-01), Sirkoch et al.
Hida Keiji
Tomotsugu Akio
Berman Susan
Nippon Paint Co. Ltd.
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