Polyamide 1010 polymer particles and method for producing same
AssigneeToray Industries, Inc.
InventorsMakiko Saito, Hiroshi Takezaki
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Abstract
The production of polyamide 1010 polymer particles, in which polyamide 1010 resin, a different polymer B and an organic solvent are dissolved and mixed and thereupon an emulsion is formed within a system for phase separation into two phases, being a solution phase having the polyamide 1010 resin as the main component and a solution phase having the polymer B as the main component, and thereafter a poor solvent of the polyamide 1010 resin is brought into contact therewith to precipitate the polyamide 1010 resin, wherein the formation of the emulsion is carried out at a temperature of 100° C. or higher, thereby making it possible to obtain highly crystalline polyamide 1010 particles having a high sphericity.
Claims19
1-18. (canceled)
Polyamide 1010 polymer particles having an average particle diameter of 1 to 100 μm, a sphericity of 80 or higher, and a peak exhibited at a position of 24 degrees in a spectrum of diffraction angle 2θ determined by wide angle X-ray scattering.
A method of producing polyamide 1010 polymer particles comprising forming an emulsion within a system that causes phase separation, into two phases having a solution phase having polyamide 1010 resin as its main component and a solution phase having a polymer B other than said polyamide 1010 resin as its main component, when said polyamide 1010 resin, said polymer B other than said polyamide 1010 resin, and an organic solvent are dissolved and mixed and, thereafter contacting a poor solvent of said polyamide 1010 resin with said emulsion to precipitate said polyamide 1010 resin, wherein said formation of said emulsion is carried out at a temperature of 100° C. or higher.
Dependencies are inferred from the claim text.