Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reissue Patent
2007-05-08
2007-05-08
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S408000, C428S413000, C428S417000, C428S418000, C428S446000, C428S457000, C428S901000, C525S109000, C525S113000
Reissue Patent
active
10617653
ABSTRACT:
The invention relates to an adhesive composition, comprising: (A) at least one phenolic resole resin; and (B) the product made by reacting (B-1) at least one difunctional epoxy resin, with (B-2) at least one compound represented by the formulawherein in Formulae (I) and (II): G, T and Q are each independently functional groups selected from the group consisting of COOH, OH, SH, NH2, NHR1, (NHC(═NH))mNH2, R2COOH, NR12, C(O)NHR1, R2NR12, R2OH, R2SH, R2NH2and R2NHR1, wherein R1is a hydrocarbon group, R2is an alkylene or alkylidene group and m is a number in the range of 1 to about 4; T can also be R1, OR1or SO2C6H4—NH2; and Q can also be H. The invention also relates to copper foils having the foregoing adhesive composition adhered to at least one side thereof to enhance the adhesion between said foils and dielectric substrates. The invention also relates to laminates comprising copper foil, a dielectric substrate, and an adhesion-promoting layer comprising the foregoing adhesive composition disposed between and adhered to the foil and the substrate.
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Epoxy Resins, Chem & Tech., May 8, 1989, Marcel Dekker Inc., pp. 683-691, 1089-1095.
Dye Rena
Nikko Materials USA, Inc.
Renner , Otto, Boisselle & Sklar, LLP
Thompson Camie S.
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