Surface treatment of polyoxymethylene moldings and moldings...

Details Surface treatment of polyoxymethylene moldings and moldings... Surface treatment of polyoxymethylene moldings and moldings...

C - Chemistry, Metallurgy

08

J

C08J 7/14 (2006.01) B05D 3/10 (2006.01) C23C 18/24 (2006.01)

Patent

CA 2109706

2109706 9300393 PCTABS00019 Described is a method of treating the surface of moulded polyoxymethylene articles by treating with aqueous acids, the method being characterized in that mixtures of aqueous hydrochloric acid (strength at least 20 % by wt.) with mono- or diethers of an aliphatic polyhydroxy compound are used, the components of the mixture being in the ratio 90:10 to 10:90 % by vol.

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