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US 11,186,688 B2Granted
Polymer composition for selective sintering methods
AssigneeEvonik Operations GmbH
InventorsWolfgang Diekmann, Maik Grebe, Franz-Erich Baumann, Wolfgang Christoph, Sylvia Monsheimer, Beatrice Küting
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Abstract
A polymer composition can be used in selective absorbing sintering, SAS, or selective inhibition sintering, SIS, methods. The polymer of the polymer composition has open mesopores, where a cumulative pore volume distribution of the mesopores, measured according to DIN 66134, is at least 0.01 cm3/g.
Claims18
A polymer composition for selective absorbing sintering, or selective inhibition sintering,
- comprising:
- a polymer comprising open mesopores, which is obtained by a precipitation process, and
- a sintering absorber or a sintering inhibitor,
- wherein a cumulative pore volume distribution of the mesopores, measured according to DIN 66134, is 0.01 to 0.127 cm3/g, and
- wherein said polymer is a polyamide and
- said absorber or said inhibitor is within open mesopores of said polymer.
3 more elements
Dependencies are inferred from the claim text.