Poly(alkylene carbonate) polyols as antistatic additives for pol

Details Poly(alkylene carbonate) polyols as antistatic additives for pol Poly(alkylene carbonate) polyols as antistatic additives for pol

1988-12-02

1990-06-05

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521172, 528 66, 528 83, C08G 1814

Patent

active

049314866

ABSTRACT:
This invention relates to polyisocyanate-based polymers prepared by reacting a polyisocyanate with a polyol composition containing a polyester polyol and a poly(alkylene carbonate) polyol. The presence of the poly(alkylene carbonate) polyol improves the semi-conductive properties of the polymer without requiring the use of semi-conductive fillers or ionizable salts.

REFERENCES:
patent: 4357401 (1982-11-01), Andre et al.
patent: 4617325 (1986-10-01), Knobel et al.
patent: 4618630 (1986-10-01), Knobel et al.
patent: 4713399 (1987-12-01), Webb et al.

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