Production of thermally stabilized polyester with alkylene carbo

Details Production of thermally stabilized polyester with alkylene carbo Production of thermally stabilized polyester with alkylene carbo

1980-06-02

1982-04-27

Phynes, Lucille M.

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

Synthetic resins

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

528309, 528275, 524110, 524111, C08G 6330

Patent

active

043272070

ABSTRACT:
High molecular weight linear condensation polyesters are stabilized against deterioration by heat by reacting the polyester in molten form with alkylene carbonates in the presence of a catalytic amount of a compound selected from the group consisting of sodium iodide and potassium iodide.

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patent: 3491066 (1970-01-01), Petropoulos
patent: 3657191 (1972-04-01), Titzmann et al.
patent: 3985705 (1976-10-01), Georgoudis

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