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

1982-09-07

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...

525439, 528309, C08G 6376

Patent

active

043483143

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 thiocyanate and potassium thiocyanate.

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