Pulp insulation repair

Details Pulp insulation repair Pulp insulation repair

1979-10-29

1981-09-22

Kight, III, John

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

427421, 260 318R, 260 318G, B32B 1514, C08K 512

Patent

active

042910943

ABSTRACT:
A compound for spray application onto pulp insulation on an electrical conductor, the compound comprising between 5 and 9 parts by weight of polyvinylpyrrolidone polyvinylacetate copolymer with 0.5 to 0.9 parts by weight of a copper corrosion inhibitor and 1.0 to 3.0 parts of a plasticizer. The compound is useful either to repair damaged pulp regions or for spraying the pulp during manufacture of an insulated conductor without substantially reducing the electrical insulating characteristics of the pulp.

REFERENCES:
patent: 3166525 (1965-01-01), Perry
patent: 3231407 (1966-01-01), Mason
patent: 3502743 (1970-03-01), Wolf et al.
patent: 3928210 (1975-12-01), Peterson

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