公开(公告)号：US20210171709A2

公开(公告)日：2021-06-10

申请号：US16080261

申请日：2017-02-28

Applicant: Arkema France

Inventor： Benoît BRULE ,  Jérome Pascal

IPC: C08G65/40 ,  B29C64/153 ,  B29C64/264

Abstract: The invention relates to a poly(aryl-ether-ketone) (PAEK) powder, for use in a method for building objects layer-by-layer by electromagnetic radiation-generated sintering, said powder being characterized in that it is obtained from a thermal pretreatment at a temperature comprised between 260° C. and 290° C., preferably between 280° C. and 290° C., and in that it has a melting temperature which is stable, at the build temperature, and below or equal to 330° C., preferably below or equal to 320° C., and more preferably below or equal to 310° C.

公开(公告)号：US11746188B2

公开(公告)日：2023-09-05

申请号：US16080261

申请日：2017-02-28

Applicant: Arkema France

Inventor： Benoît Brule ,  Jérome Pascal

IPC: B29C64/264 ,  C08G65/40 ,  B29C64/153 ,  B33Y70/00 ,  B29K71/00 ,  B33Y10/00 ,  B29K271/00

CPC classification number: C08G65/4012 ,  B29C64/153 ,  B29C64/264 ,  B33Y70/00 ,  B29K2071/00 ,  B29K2271/00 ,  B33Y10/00 ,  C08G2650/40

Abstract: Provided is a poly(aryl-ether-ketone) (PAEK) powder suitable for use in a method for building objects layer-by-layer by electromagnetic radiation-generated sintering, which is obtained from a thermal pretreatment at a temperature between 260° C. and 290° C. and which has a melting temperature which is stable, at the build temperature, and below or equal to 330° C.