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Procedure for the post-treatment of chemically applied transformation coatings
Procedure for the post-treatment of chemically applied transformation coatings
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机译:化学施加的转化膜的后处理程序
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摘要
A process of post-treating a conversion-coated metal surface by contacting the surface with a dilute solution of a post-treatment compound, or a metal salt thereof, where the post-treatment compound is poly-4-vinylphenol or the reaction product of an aldehyde or ketone and poly-4-vinylphenol.
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