Novel solid thermosetting resins and processes for preparing sam

Details Novel solid thermosetting resins and processes for preparing sam Novel solid thermosetting resins and processes for preparing sam

1974-07-03

1976-05-18

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

156306, 260 328R, 260 336R, 428210, 428271, 428430, 428443, 428481, C08G 4900

Patent

active

039579034

ABSTRACT:
A two-stage process for producing a three-component graft copolymer of 1,2-polybutadiene, glycidyl methacrylate and a second monomer. By first reacting glycidyl methacrylate on the polymeric substrate and then reacting the second monomer to form a non-crosslinked graft copolymer, high curing rates are obtained. By forming a solvent solution of the grafted product, an epoxy hardener and a radical polymerization initiator, a varnish suitable for forming dielectric prepregs is obtained.

REFERENCES:
patent: 3515772 (1970-06-01), Lubowitz
patent: 3616193 (1971-10-01), Lubowitz
patent: 3635891 (1972-01-01), Lubowitz
patent: 3636141 (1972-01-01), O'Neill
patent: 3660525 (1972-05-01), Kawahara
patent: 3676526 (1972-07-01), Sommerfeld
patent: 3860672 (1975-01-01), Lagally

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