Novel photocurable and heat-curable polyvinyl butyral resin

Details Novel photocurable and heat-curable polyvinyl butyral resin Novel photocurable and heat-curable polyvinyl butyral resin

1989-06-07

1990-10-23

Schofer, Joseph L.

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

Synthetic resins

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

525 60, 525 61, C08F 800

Patent

active

049653130

ABSTRACT:
The invention discloses a novel modified polyvinyl butyral polymer having photocurability and heat-curability containing an ethylenically unsaturated moiety, which is introduced by the reaction of, for example, N-methylol acrylamide with a part of the hydroxyl groups, in addition to the vinyl butyral moiety, vinyl acetate moiety and vinyl alcohol moiety constituting conventional polyvinyl butyral resins. The inventive polymer is useful for various types of adhesives, coating materials, interlayers of laminated shatter-proof glass and the like similarly to unmodified polyvinyl butyral resins but with a possibility of broadened utilizability and absence of the problems due to evaporation of organic solvents.

REFERENCES:
patent: 3647756 (1972-03-01), Okaya et al.

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