Coating compositions, processes for depositing the same, and art

Details Coating compositions, processes for depositing the same, and art Coating compositions, processes for depositing the same, and art

1975-07-24

1977-11-01

Smith, Ronald H.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

29 25, 29 35, 252 629, 252519, 427100, 427126, 427180, 428539, B32B 0000

Patent

active

040566544

ABSTRACT:
Ceramic dielectric coating compositions are disclosed as well as processes for depositing the coating compositions on a substrate and the coated article resulting therefrom. A ferroelectric or piezoelectric powder material such as the barium titanate type or lead zirconate-titanate type is mixed with a phosphate additive and water to form an acidic flowable mass with a consistency suitable for depositing by various means on a substrate. Depositing means include painting, dipping, spraying, and silk-screen techniques. After deposition on the substrate, the coating composition is dried, preferably at an elevated temperature, to form a composite article of the substrate with an adherent ferroelectric or piezoelectric coating composition thereon.

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patent: 3949323 (1976-04-01), Bierlein

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