Method for coating surfaces with finely particulate materials

Details Method for coating surfaces with finely particulate materials Method for coating surfaces with finely particulate materials

1996-03-14

1998-01-06

Padgett, Marianne

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427122, 427123, 427197, 427203, 427302, 205291, 216 13, 216105, B05D 512, B05D 500, B05D 304, C25D 338

Patent

active

057052190

ABSTRACT:
A method for coating surfaces of a non-conductor with finely particulate solid particles by substrate-induced coagulation, including the steps of: contacting the non-conductor with a first solution containing a first polar solvent and at least one coagulation initiator comprising high molecular weight material; and, subsequently contacting the non-conductor with a dispersion which contains a second polar solvent and: a) finely particulate solid particles, b) at least one surfactant for preventing the sedimentation of the solid particles, and c) a salt, essentially free of tin ions, for selectively destabilizing the dispersion.

REFERENCES:
patent: 3245833 (1966-04-01), Trevoy
patent: 3903328 (1975-09-01), Burdette, Jr. et al.
patent: 4090984 (1978-05-01), Lin et al.
patent: 4358474 (1982-11-01), Nakano et al.
patent: 4622108 (1986-11-01), Polakovic et al.
patent: 4874479 (1989-10-01), Pendleton
patent: 4920356 (1990-04-01), Goebel et al.
patent: 5143592 (1992-09-01), Toro
Hackh's Chemical Dictionary, Excerpt p. 372 3rd Edition (1944, No Month), McGraw-Hill Book Co., Inc. N.Y.

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