Using pulverulent coating means based on polyamides with at...

C - Chemistry – Metallurgy – 08 – L

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400/5802

C08L 77/00 (2006.01) C09D 177/00 (2006.01)

Patent

CA 1267242

ABSTRACT OF THE DISCLOSURE Pulverulent polyamide coating compositions consisting of a mixture of similar polyamides having on the average at least nine aliphatically bound carbon atoms per carbonamide group and of different relative viscosity, the difference in relative viscosi- ties amounting to at least 0.04 and at most 0.1 units. The mix- tures are obtained by mixing powders prepared both by precipita- tion or by cold grinding or also by mixing the corresponding gran- ulates which subsequently are then cold ground. Preferred poly- amides are aliphatic homopolyamides of the basic block formula: Image wherein x is an integer of 9 to 12.

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