Polyurethane coating resin composition

Details Polyurethane coating resin composition Polyurethane coating resin composition

1997-09-08

1999-09-14

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 26, C08G 7704

Patent

active

059524448

ABSTRACT:
According to the present invention, there are here disclosed a polyurethane resin derivative having a polydimethylsiloxane side chain and an isocyanate group in a main chain of a polyurethane molecule which is obtainable by reacting (A) a polydimethylsiloxane having an alkyl group on one terminal and 2 hydroxyl groups in the vicinity of the other terminal with (B) a polyisocyanate having 2 or more isocyanate groups in one molecule; a coating resin composition which is obtainable by reacting a polyurethane resin derivative having a polydimethylsiloxane side chain and an isocyanate group in a main chain of a polyurethane molecule with a hydroxyl group-containing resin; and a method for curing the coating resin composition.

REFERENCES:
patent: 3243475 (1966-03-01), Reischel et al.
patent: 4839443 (1989-06-01), Akutsu et al.
patent: 5045599 (1991-09-01), Murase

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