Curable electroconductive composition

Details Curable electroconductive composition Curable electroconductive composition

1996-03-13

1997-11-04

McGinty, Douglas J.

Compositions

Electrically conductive or emissive compositions

Free metal containing

523457, 523458, 528103, 528105, H01B 122, C08G 5920

Patent

active

056836279

ABSTRACT:
A curable electroconductive composition which comprises (1)(a) a monoglycidyl compound such as cardanolglycidyl ether having 18 to 30 carbon atoms and further having in a molecule thereof an epoxy group, one or more aromatic hydrocarbon groups and an aliphatic hydrocarbon group having 6 to 20 carbon atoms and (b) a crosslinking component such as bisphenol A diglycidyl ether having in a molecule thereof two or more epoxy groups and one or more aromatic hydrocarbon groups, (2) a curing agent, and (3) a copper powder. The curable electroconductive composition does not develop cracks during the curing even when thick electrically conducting cured products are formed such as electrically conducting through-holes in printed wiring board, and the cured product thereof exhibits stable electrically conducting property over extended periods of time.

REFERENCES:
patent: 4652398 (1987-03-01), Goswami et al.
patent: 4692272 (1987-09-01), Goswami et al.
patent: 4962162 (1990-10-01), Kosuda et al.
patent: 5204025 (1993-04-01), Yamada et al.

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