Method for surface treating conductive copper powder with a trea

Details Method for surface treating conductive copper powder with a trea Method for surface treating conductive copper powder with a trea

1993-03-18

1994-12-13

Owens, Terry J.

Compositions

Electrically conductive or emissive compositions

Free metal containing

252514, 427216, H01B 102

Patent

active

053727495

ABSTRACT:
A method for surface treating conductive copper powder comprises dispersing pure copper powder or silver-coated copper powder in a solution of coupling agent selected from the group consisting of silane, titanate, aluminate and zirconate and a ZB-3 treating agent which is the reaction products of peanut oil fatty acids, boric acid and triethanolamine in a molar ratio of 1:1:2 in an organic solvent, the total amount of the coupling agent and ZB-3 treating agent being controlled in the range of from 0.1% to 10%, based on the weight of the copper powder, filtering after 1 hour standing and drying at 40.degree.-60.degree. C. under vacuum.

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Feeley, J. et al., "Conductive Pastes", IBM Technical Disclosure Bulletin, vol. 11, No. 7 (Dec. 1968) p. 705.

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