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US 12,509,581 B2Granted
Particles of polyamide powders and use thereof in powder agglomeration processes
AssigneeArkema France
InventorsGeoffroy Cammage, Arnaud Lemaitre, Emilie-Marie Soares Latour
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Abstract
The invention relates to a seeded particle of polyamide (PA) powder consisting of: a polyamide core with a D50 within the range from 15 to 60 μm, and a polyamide shell, characterized in that the shell has an inherent viscosity in solution and a melting temperature which are respectively higher than those of the core.
Claims21
A seeded particle of polyamide (PA) powder consisting of:
- a polyamide core with a volume-median diameter D50 within the range from 15 to 60 μm, and
- a polyamide shell,
- wherein the shell has an inherent viscosity in solution and a melting temperature which are respectively higher than those of the core.
Dependencies are inferred from the claim text.