Curable resin composition which comprises a lactone-modified pol

Details Curable resin composition which comprises a lactone-modified pol Curable resin composition which comprises a lactone-modified pol

1995-10-30

1998-07-07

Reddick, Judy M.

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

Synthetic resins

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

525 56, 525 57, 525 61, 525360, 525370, 525374, 525375, 525383, 525385, 525386, C08F 800

Patent

active

057770271

ABSTRACT:
A novel lactone-modified polyvinyl acetal resin and a novel carboxyl-modified resin thereof are disclosed. The novel resins of the present invention can be used as a polyol resin for coatings curable at ordinary temperatures or heating, adhesives, binders, a processing agent for fibers, a curable resin composition by mixing with a curing agent which can react to hydroxyl groups, and a composition for a magnetic recording medium, etc. The novel resins of the present invention have graft chains containing primary hydroxyl groups bonded to the ester group derived from a lactone compound, or the primary hydroxyl groups and carboxylic groups.

REFERENCES:
patent: 3826785 (1974-07-01), Bryant
patent: 3931068 (1976-01-01), Clendinning et al.
patent: 4247666 (1981-01-01), Mochizuki et al.
patent: 4988763 (1991-01-01), Kessler et al.
patent: 5171784 (1992-12-01), Colon et al.

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