Photocurable imidizable polyene-polythiol compositions

Details Photocurable imidizable polyene-polythiol compositions Photocurable imidizable polyene-polythiol compositions

1977-11-15

1979-01-02

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 54, 427117, B05D 306

Patent

active

041328124

ABSTRACT:
This invention relates to polyenes containing at least two ethylenically unsaturated bonds per molecule formed by reacting in substantially stoichiometric amounts, (1) a primary diamine, (2) a member of the group consisting of a benzenoid-containing dianhydride, acid anhydride and anhydride acid halide and (3) an ethylenically unsaturated alcohol. The thus formed amideacid polyene either per se or after being cured in combination with a polythiol in the presence of a free radical generator will, upon heating, imidize.

REFERENCES:
patent: 3483104 (1969-12-01), D'Alelio
patent: 3663651 (1972-05-01), Traut
patent: 3845018 (1974-10-01), Bilow et al.
patent: 3897395 (1975-07-01), D'Alelio
patent: 3993630 (1976-11-01), Darmory et al.
patent: 3998786 (1976-12-01), D'Alelio

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