Flake silver powders with chemisorbed monolayer of dispersant

Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles

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75 05A, B22F 102

Patent

active

042735831

ABSTRACT:
Flake silver powders which have a chemisorbed monolayer of organic dispersing agent such as oleic acid on the surfaces and process for their preparation are provided. Such silver powders can be formulated into thick film pastes at above 85% solids levels at relatively low viscosities. Pastes so obtained, when printed and fired, result in films of excellent conductive efficiency.

REFERENCES:
patent: 3768994 (1973-10-01), Daiga
patent: 3992197 (1976-11-01), Wetzold
patent: 4115107 (1978-09-01), Booz et al.
patent: 4186244 (1980-01-01), Deffeyes et al.

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