Epoxide-containing compositions and their polymerisation

Details Epoxide-containing compositions and their polymerisation Epoxide-containing compositions and their polymerisation

C - Chemistry, Metallurgy

08

G

402/182, 402/256

C08G 59/66 (2006.01) C08G 59/24 (2006.01) C08G 59/40 (2006.01) C08G 75/04 (2006.01) C08L 63/00 (2006.01)

Patent

CA 1157600

Abstract of the Disclosure Polymerisable compositions comprise a) a compound containing in the same molecule both at least one 1,2-epoxide group and at least two groups chosen from allyl, methallyl, and l-propenyl groups, e.g., 2,2- bis(3-allyl-4-(glycidyloxy)phenyl)propane or bis(3-(1- propenyl)-4-(glycidyloxy)phenyl)methane, and b) a compound containing at least two mercaptan groups per molecule, e.g., pentaerythritol tetrathioglycollate. The compositions are caused to polymerise by the action of irradiation or free-radical catalysts. They may, if desired, also contain a heat-curing crosslinking agent for epoxide resins; the epoxide-containing polymers so obtained can be subsequently crosslinked in situ. The compositions are useful in various two-stage operations, such as the production of multilayer printed circuits.

319834

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