Solderable wire lacquers

Details Solderable wire lacquers Solderable wire lacquers

1976-10-13

1978-08-01

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 314R, 260 328N, C08K 506

Patent

active

041042352

ABSTRACT:
Lacquers of low viscosity at high solids content suitable for forming baked coatings on conductive wires which do not interfere with tinning and soldering of the coated wires consist essentially of a polyester of isophthalic or terephthalic acid having a hydroxyl number of 150 to 450, an isocyanate having isocyanato groups masked with .epsilon.-caprolactam, and of a solvent consisting essentially of at least one member of the group consisting of diacetone alcohol, lower alkyl ethers of ethylene glycol or diethylene glycols, and esters of said ethers with lower alkanoic acids, said lower alkyl having up to three carbon atoms, and said lower alkanoic acids having up to four carbon atoms.

REFERENCES:
patent: 3248371 (1966-04-01), Damusis
patent: 3640938 (1972-02-01), Finelli
patent: 3748315 (1973-07-01), Wooster
patent: 3808160 (1974-04-01), Steinmetz
patent: 3819586 (1974-06-01), Rudolph

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