Adhesive for copper foils and adhesive-backed copper foil

Details Adhesive for copper foils and adhesive-backed copper foil Adhesive for copper foils and adhesive-backed copper foil

1995-09-07

1998-01-13

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428355EP, 428355BL, 428413, 428418, 428458, 428462, 4284231, 428921, 525108, 525119, 525111, 525115, B32B 712, B32B 2738

Patent

active

057077290

ABSTRACT:
An adhesive composition and foils coated with the adhesive, wherein the adhesive consisting essentially of: (I) a fist amount of a non-modified epoxy resin and a second amount of a rubber-modified epoxy resin in a total amount of 60-100 parts by weight, wherein the amount of rubber-modified epoxy resin is 0.5 to 20 parts by weight; (II) 5-30 parts by weight of a polyvinyl acetal resin; and optionally contains (III) at least one resin selected rom the group consisting of blocked isocyanate resins, polyester resins, polyester resins, melamine resins and urethane resins. The adhesive coating can optionally contain inorganic fillers, fire retardants, and curing agents.

REFERENCES:
patent: 3172921 (1965-03-01), Flowers
patent: 3894113 (1975-07-01), Pagel
patent: 3932689 (1976-01-01), Wantanabe et al.
patent: 4582564 (1986-04-01), Shanefield et al.

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