Stable resin solutions containing compounds having at least one

Details Stable resin solutions containing compounds having at least one Stable resin solutions containing compounds having at least one

1976-11-08

1978-12-26

Dixon, Jr., William R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156288, 427 96, 427379, 427388A, 427390A, 427390R, 427409, 428267, 428268, 428273, 428287, 428435, 428458, 526258, 526263, 526303, B32B 700, B05D 302

Patent

active

041317076

ABSTRACT:
The invention relates to solutions which are stable on storage and which contain curable mixtures of polymaleimides, comonomers for these polymaleimides and, optionally, polymerization catalysts and compounds which contain at least one furyl radical, preferably furfuryl alcohol. The solutions are used for the manufacture of crosslinked polymers containing imide groups. Usually a substrate is impregnated with the solution. After drying, curing is carried out at 100 to 300.degree. C. Using a known method, for example, glass fibre fabric is subjected to hot pressing together with a copper foil, curing being effected. This gives correspondingly copper-coated laminated sheets which are outstandingly suitable for the manufacture of printed circuits.

REFERENCES:
patent: 3435003 (1969-03-01), Craven
patent: 3576691 (1971-04-01), Meyers
patent: 3582458 (1971-06-01), Haller
patent: 3700538 (1972-10-01), Kennedy
patent: 3778411 (1973-12-01), Emerick et al.
patent: 3822175 (1974-07-01), Yuan
patent: 3887582 (1975-06-01), Holub et al.
patent: 3898363 (1975-08-01), Ward et al.
patent: 3930097 (1975-12-01), Alberino et al.

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