Process for production of polyurethane

Details Process for production of polyurethane Process for production of polyurethane

1984-07-20

1985-11-05

Cockeram, Herbert S.

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 65, 528 84, C08G 1842, C08G 1808

Patent

active

045515182

ABSTRACT:
A novel process for production of polyurethane having excellent hydrolysis resistance, heat resistance, low-temperature characteristics and no tendency of crystallization and capability of making high solid content solution, which is obtained from a polymerized polyol having two or more hydroxy groups in the molecule and a polyisocyanate, and optionally a chain extender, characterized in that the polymerized polyol component is a polymerized polyol having ##STR1## groups in the molecule.

REFERENCES:
patent: 3428725 (1969-02-01), Delmonte et al.
patent: 3591561 (1971-07-01), Kazama et al.
patent: 3775354 (1973-11-01), Hostettler et al.
patent: 3778390 (1973-12-01), Ulrich
patent: 3798198 (1974-03-01), Hole
patent: 4051111 (1977-09-01), Holloway
patent: 4086214 (1978-04-01), Cardy

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