| abstract |
Disclosed is a polyamide PA (homopolyamide or copolyamide) powder derived from an at least partially renewable material used in cosmetics, pharmaceuticals or perfumes, and a process for producing the polyamide powder. The polyamide PA is selected from PA11 and PA10.10, and the copolyamide includes at least one of monomers consisting of 11,10.10, 10.36.6.6.10, 1O.T and a mixture thereof. Using a counter air jet mill (2-nozzle) pulverizer, adjust the pulverization speed of the polyamide PA so as to obtain the desired particle size. A method for producing narrow fine powders. [Selection figure] None |