Process for preparing thermally stable super-soft polyurethane e

Details Process for preparing thermally stable super-soft polyurethane e Process for preparing thermally stable super-soft polyurethane e

1984-09-20

1985-11-12

Welsh, 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...

528 56, C08G 1848

Patent

active

045529442

ABSTRACT:
A super-soft polyurethane elastomer is prepared by reacting an organic polyisocyanate in the presence of a specified organometallic catalyst, with a molar ratio specified mixture of (a) low molecular weight triol and high molecular weight polyol, or (b) low molecular weight triol, aromatic ring containing low molecular weight diol and high molecular weight polyol.

REFERENCES:
patent: 4067834 (1978-01-01), Olstowski
patent: 4101704 (1978-08-01), Hiles

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