Sulfur-containing urethane-based resin composition, its resin, a

Details Sulfur-containing urethane-based resin composition, its resin, a Sulfur-containing urethane-based resin composition, its resin, a

1996-06-14

1998-04-07

Gorr, Rachel

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 73, 359642, 351159, 522135, C08G 1862

Patent

active

057366098

ABSTRACT:
The present invention discloses a sulfur-containing urethane-based resin composition of the present invention is directed to a sulfur-containing urethane-based resin composition which comprises a polythiol compound represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 each is a hydrogen atom or a mercapto group; x, y and z each is an integer of 0 to 8; and in their combinations, formula (1) has at least two mercapto groups,
a polyiso(thio)cyanate compound, and a compound having two or more reactive unsaturated groups in an amount of 30 to 70% by weight based on the total weight of the composition, or a sulfur-containing urethane-based resin composition which comprises the polythiol compound represented by formula (1), the polyiso(thio)cyanate compound, the compound having two or more reactive unsaturated groups in an amount of 10 to 70% by weight based on the total weight, and a photopolymerization catalyst.

REFERENCES:
patent: 5578658 (1996-11-01), Sasagawa et al.
Database WPI, Week 9310, Derwent Publications Ltd., London, GB; AN 93-080455, XP002018962 & JP-A-05025240 (Mitsubishi Rayon Co. Ltd.), 2 Feb. 1993 *abstract*.

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