Hard, rigid, non-elastomeric polyurethane, compositions

Details Hard, rigid, non-elastomeric polyurethane, compositions Hard, rigid, non-elastomeric polyurethane, compositions

1977-07-25

1980-03-25

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...

C08G 1830

Patent

active

041951492

ABSTRACT:
Hard, rigid, non-elastomeric, non-cellular polyurethane compositions manufactured by reacting a liquid hydroxylic polyether having an OH equivalent weight of from 50 to 250, a monofunctional hydroxylic polyether having a molecular weight of from 150 to 10,000 and devoid of further functional groups which react with isocyanates, and an organic polyisocyanate, with or without catalysts, auxiliaries and additives.

REFERENCES:
patent: 3350361 (1967-10-01), Chandley et al.
patent: 3726827 (1973-04-01), Jones et al.
patent: 3925582 (1975-12-01), Sample Jr. et al.

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