Siloxane-modified polyester resins and production processes ther

Details Siloxane-modified polyester resins and production processes ther Siloxane-modified polyester resins and production processes ther

1992-04-09

1993-11-16

Marquis, Melvyn I.

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

Synthetic resins

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

528 26, 528 28, C08G 6391, C08L 6700

Patent

active

052624927

ABSTRACT:
Siloxane-modified polyester resins are disclosed. These resins comprise a copolymer of a siloxane compound, which contains at least one active hydrogen atom, and a lactone compound. The copolymer is substantially free of unreacted siloxane compound. The siloxane-modified polyester resins are useful for the production of heat-sensitive recording material, magnetic recording media and release agents. Processes for the production of the siloxane-modified polyester resins are also disclosed.

REFERENCES:
patent: 4033912 (1977-07-01), Kleimann et al.
patent: 4104296 (1978-08-01), Pike
patent: 4766183 (1988-08-01), Rizk et al.
patent: 4812518 (1989-03-01), Haubennestel et al.
patent: 4942213 (1990-07-01), Haubennestel et al.

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