Self-crosslinkable resin

Details Self-crosslinkable resin Self-crosslinkable resin

1992-02-27

1993-12-28

Seidleck, James J.

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

Synthetic resins

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

5253282, 525374, 525383, 525384, 528 44, 528 45, 526310, 526312, C08G 1880

Patent

active

052740455

ABSTRACT:
A self-crosslinkable resin useful as, for example, adhesive compositions and coating compositions. The resin contains complementary reactive groups, that is, a blocked isocyanate group and a hydroxyl group, in the same molecule. The resin is prepared by reacting a hydroxy-containing vinyl monomer with some isocyanate groups on the skeleton of a vinyl polymer having at least two isocyanate groups in the molecule so to introduce a polymerizable double bond into the polymer, and subsequently completely blocking the isocyanate group(s) remaining on the polymer skeleton with a blocking agent, or vice versa. Thereafter an unsaturated monomer component consisting essentially of a hydroxyl-containing vinyl monomer is polymerized with the polymerizable double bond introduced.

REFERENCES:
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patent: 4456740 (1984-06-01), Holubka et al.
patent: 4614761 (1986-09-01), Takiyama et al.
patent: 4659795 (1987-04-01), Tsutsui et al.
patent: 4794154 (1988-12-01), Benefiel
patent: 4861853 (1989-08-01), Petrie et al.
patent: 4983676 (1991-01-01), Petrie et al.
patent: 5116930 (1992-05-01), Yabura et al.
Database WPIL, NO88-254739, Derwent Publications Ltd., London, GB; & JP-A-63,186,722 (Takeda Chemical Ind KK) Aug. 2, 1988.

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