Polyol-polycarbonates and process for preparing them

Details Polyol-polycarbonates and process for preparing them Polyol-polycarbonates and process for preparing them

1989-06-19

1991-02-05

Welsh, Maurice J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524101, 528 73, 528367, 544221, C08L 7500

Patent

active

049905783

ABSTRACT:
Polyol-polycarbonates having a molecular weight comprising within the range from 750 to 2500, endowed with good rheologic characteristics and having a low glass transition temperature (Tg), are obtained by means of the reaction, under transesterification conditions, of

REFERENCES:
patent: 4262119 (1981-04-01), Milnes

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