C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/195, 400/740
C09D 175/04 (2006.01) B05D 5/12 (2006.01) C08G 18/10 (2006.01) C08G 18/50 (2006.01) C08G 18/62 (2006.01) C08G 18/80 (2006.01) C09D 5/08 (2006.01) C09D 5/24 (2006.01) C09D 5/33 (2006.01) C09D 175/12 (2006.01) H01B 1/22 (2006.01) H01B 1/24 (2006.01) H05K 9/00 (2006.01)
Patent
CA 2033269
A corrosion inhibiting, EMI/RFI shielding composition is provided comprising a polyurethane resin which comprises a hydro~y or amine functional first polymer and an isocyanate terminated second polymer, a stabilized conductive filler, and an azole. In one embodiment of the invention a coating is provided comprising a polyurethane which comprises a fluoroolefin vinyl ether and an isocyanate terminated castor oil prepolymer, a stabilized copper powder, and a triazole selected from the group consisting of alkyl substituted aromatic triazoles and other azoles. The invention further provides a method of coating a substrate with a coating of the invention in order to provide EMI/RFI shielding and prevent corrosion, and a substrate thus coated.
Chomerics Inc.
Parker-Hannifin Corporation
Smart & Biggar
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