Wire coating composition for restoration of polyethylene insulat

Details Wire coating composition for restoration of polyethylene insulat Wire coating composition for restoration of polyethylene insulat

1983-08-03

1984-04-24

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...

428412, 4284248, 4284258, C08G 1830

Patent

active

044449755

ABSTRACT:
An insulating, restorative composition for wire on which polyethylene insulation has degraded, comprises an admixture of an aliphatic or cycloaliphatic polyisocyanate containing at least two isocyanate groups, a monofunctional alcohol having a molecular weight in the range of 200 to 1,500, and a tri- or tetra-functional aliphatic or cycloaliphatic polyol having a molecular weight in the range of 100 to 900.

REFERENCES:
patent: 4007151 (1977-02-01), Ogawa et al.
patent: 4329442 (1982-05-01), Pokorny
Shea, J. W.; "Treatment of Degraded PIC Insulation in Pedestal Closures Associated with Buried Plant," pp. 70-74, Proceedings of the 21st International Wire and Cable Symposium, Cherry Hill, NJ (1971).

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