公开(公告)号：US20230279237A1

公开(公告)日：2023-09-07

申请号：US18019254

申请日：2021-07-27

Applicant: BASF SE

Inventor： Leander VERBELEN ,  Rajan HOLIMANN ,  Jean ROCHETTE ,  Frank SCHAEFER ,  Viktor FISCHER ,  Andre METZGER ,  Sinan KURT

IPC: C09D5/03 ,  C09D7/61 ,  C09D7/63 ,  C09D7/80 ,  C09D175/04

CPC classification number: C09D5/037 ,  C09D5/031 ,  C09D7/61 ,  C09D7/63 ,  C09D7/80 ,  C09D175/04 ,  C08K13/04

Abstract: The present invention relates to a sinter powder (SP) comprising 59.5% to 99.85% by weight of at least one thermoplastic polyurethane (A), 0.05% to 0.5% by weight of at least one flow agent (B), 0.1% to 5% by weight of at least one organic additive (C), 0% to 5% by weight of at least one further additive (D) and 0% to 30% by weight of at least one reinforcer (E), based in each case on the sum total of the percentages by weight (A), (B), (C), (D) and (E). The present invention further relates to a method of producing a shaped body by sintering the sinter powder (SP), to a shaped body obtainable by the method of the invention, and to the use of at least one flow agent (B) and at least one organic additive (C) in a sinter powder (SP) to improve the flowability and coalescence of the sinter powder (SP). The present invention further relates to the use of the sinter powder (SP) in a sintering method, and to a method of producing the sinter powder (SP).