Solventless UV cured thermosetting cement coat

Details Solventless UV cured thermosetting cement coat Solventless UV cured thermosetting cement coat

1980-06-27

1982-11-02

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415919, 20415923, 525454, 525455, 525456, 525489, C08F 250

Patent

active

043572197

ABSTRACT:
Disclosed is a solvent-free wire enamel cement coat which is curable to the B-stage with ultraviolet light. The wire can then be formed into a coil and cured with heat to the C-stage. The cement coat composition comprises a mixture of a UV photosensitizer and a curing agent with either an acrylated epoxy or an amine terminated acrylated epoxy or an acrylated urethane, or mixtures thereof, all dissolved in a monoacrylate. The composition can also include an end-blocked urethane, an acrylated hexamethoxymethyl melamine, or a low molecular weight cresol formaldehyde resin.

REFERENCES:
patent: 4135007 (1979-01-01), Lorenz et al.
patent: 4156035 (1979-05-01), Tsao et al.
patent: 4222835 (1980-09-01), Dixon

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