Thermoplastic polyurethanes for processing in extruders and/or o

Details Thermoplastic polyurethanes for processing in extruders and/or o Thermoplastic polyurethanes for processing in extruders and/or o

1981-05-29

1983-02-01

Walsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

264176R, 528 67, 528 75, 528 76, 528 80, 528 83, 528 85, C08G 1842

Patent

active

043716849

ABSTRACT:
The invention is directed to a process extruding or melt roll calendering thermoplastic polyurethanes wherein the polyurethanes used are synthesized from p1 (a) one or more relatively high molecular weight substantially linear polyols having molecular weights in the range from 400 to 10,000

REFERENCES:
patent: 3214411 (1965-10-01), Saunders et al.
patent: 3963679 (1976-06-01), Ullrich et al.
patent: 3984607 (1976-10-01), Thoma et al.
patent: 4035213 (1977-07-01), Thoma et al.
patent: 4202957 (1980-05-01), Bonk et al.

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