実質的に亜鉛非含有のプライマーを有することが可能な粉末コーティング組成物

Title:

実質的に亜鉛非含有のプライマーを有することが可能な粉末コーティング組成物

Document Type and Number:

Japanese Patent JP5757944

Kind Code:

B2

Abstract:

Corrosion and chip-resistant coatings for high tensile steel components, such as automotive coil springs, can be formed from a coating composition comprising a primer having an epoxy resin with the proviso that the epoxy resin does not have an EEW of about 860 to about 930, a polyhydroxyl functional phenolic curing agent having a HEW of about 200 to about 500, and a platy filler. The primer contains less than 20 wt % zinc. The topcoat includes an epoxy resin having an epoxy equivalent weight of about 450 to about 1400, an elastomer-modified epoxy resin having an epoxy equivalent weight of about 1000 to about 1600, a foaming agent and a reinforcing fiber.

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Inventors:

Lucas Chad

Application Number:

JP2012522155A

Publication Date:

August 05, 2015

Filing Date:

July 27, 2010

Export Citation:

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