Plastifiers, method of preparation and PVC compositions containi

Details Plastifiers, method of preparation and PVC compositions containi Plastifiers, method of preparation and PVC compositions containi

1977-12-27

1980-07-01

Ziegler, J.

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

Synthetic resins

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

525169, 528 83, C08G 6376

Patent

active

042107300

ABSTRACT:
Block copolyesters and block copolyesterurethanes are presented which are useful as plastifiers for PVC. The plastifiers, depending on process variations, contain ordered or random blocks of amorphous and semi-crystalline structure and are characterized as being highly compatible and substantially non-fugitive when blended with PVC.

REFERENCES:
patent: 3446778 (1969-05-01), Waller et al.
patent: 3651014 (1972-03-01), Witsiepe

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