Castable polyurethane systems

Details Castable polyurethane systems Castable polyurethane systems

1984-01-30

1984-10-09

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 65, C08G 1810

Patent

active

044762925

ABSTRACT:
A castable polyurethane system comprising the reaction product of (1) a polyisocyanate prepolymer prepared by reacting an excess of a polyisocyanate compound with an amine-based polyol and (2) a polyol, said polyurethane systems being clear, hard, easily cast, impact resistant, heat resistant and appropriate for a number of applicable uses.

REFERENCES:
patent: 3781238 (1973-12-01), Helm
patent: 4028301 (1977-06-01), Olstowski
patent: 4045527 (1977-08-01), Babayon et al.
patent: 4387194 (1983-06-01), Ottoviani et al.

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