C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4216, 154/10
C08L 63/00 (2006.01) B32B 27/38 (2006.01) C08G 59/06 (2006.01) C08G 59/32 (2006.01) C08G 59/62 (2006.01) C08J 5/24 (2006.01) C08L 61/06 (2006.01) C09D 161/06 (2006.01) C09D 163/00 (2006.01) H05K 1/03 (2006.01)
Patent
CA 1333732
Electrical laminates are prepared from prepreg materials prepared by impregnating a substrate with a laminating varnish comprising a solvent solution of a curable composition comprising (A) a mixture of at least one epoxy resin having an average of more than 1 but not more than 2 vicinal epoxy groups per molecule and at least one epoxy resin having an average of more than 2 vicinal epoxy groups per molecule; (B) a mixture of at least one phenolic hydroxyl-containing compound having an average of more than 1 but not more than 2 phenolic hydroxyl groups per molecule and at least one phenolic hydroxyl-containing compound having an average of more than 2 phenolic hydroxyl groups per molecule; and (C) at least one catalyst for effecting the reaction between (A) and (B).
564596
Larson Paul A.
Walker Louis L.
Smart & Biggar
The Dow Chemical Company
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