Method of coating a metal wire with a temperature and stress res

Details Method of coating a metal wire with a temperature and stress res Method of coating a metal wire with a temperature and stress res

1992-11-09

1993-08-03

Beck, Shrive

Coating processes

Electrical product produced

Wire conductor

427318, B05D 720

Patent

active

052327370

ABSTRACT:
A process for preparing an insulated metal wire with a melt-coated, adherent sheath of a polymer consisting essentially of the following repeat units: ##STR1## wherein n is 4 or 5; X is from 0.01 to 0.50; and Ar is at least one divalent aromatic radical selected from the group consisting of 1,3-phenylene, 1-methyl-2,4-phenylene and 3,4'-oxydiphenylene, comprising heating the bare wire to a temperature in excess of the Tg of the polymer and melt-coating the wire with the polymer. This produces an insulated wire that is stable to high temperatures and is resistant to water crazing, cracking and loss of coating.

REFERENCES:
patent: 3753998 (1973-08-01), Morelio
patent: 3816347 (1974-06-01), Luh
patent: 4389457 (1983-06-01), Pauze et al.
patent: 4471022 (1984-09-01), McGregor et al.
patent: 4505978 (1985-03-01), Smith
patent: 4654263 (1987-03-01), Cox
patent: 4808436 (1989-02-01), Lavallee
patent: 4876316 (1989-10-01), Lavallee
patent: 5066445 (1991-11-01), Dunlap et al.

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