Process for preparing hydroxy-functionalized polyesters

Details Process for preparing hydroxy-functionalized polyesters Process for preparing hydroxy-functionalized polyesters

1997-09-10

1998-12-22

Mosley, Terressa

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528193, 528194, 528272, 528275, C08G 6300

Patent

active

058521631

ABSTRACT:
A process for preparing a thermoplastic hydroxy-functionalized polyesters comprises contacting a dicarboxylic acid or a mixture of dicarboxylic acids with a diepoxide in the presence of a monofunctional carboxylic acid and a catalyst, and in the absence of a solvent under conditions sufficient to form the hydroxy-functionalized polyesters.

REFERENCES:
patent: 4612156 (1986-09-01), Heinemeyer et al.
patent: 5134201 (1992-07-01), Billovits et al.
patent: 5171820 (1992-12-01), Mang et al.
Klee et al., "High-Molecular Weight Diepoxide-Dicarboxylic Acid Addition Polymers", Polymer Bulletin 35, pp. 79-85 (1995).

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