公开(公告)号：US20210340294A1

公开(公告)日：2021-11-04

申请号：US17286536

申请日：2019-10-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Andreas M. Gledmacher ,  Fee Zentis ,  Michael Maerz ,  Klaus Hintzer ,  Harald Kaspar ,  Jens Eichler ,  Gabriele H. Gottschalk-Gaudig

IPC: C08F214/26 ,  C08J3/12 ,  B33Y70/00

Abstract: The present disclosure relates to a fluoropolymer powder for additive manufacturing of fluoropolymers having an average particle size (d50) in a range from 20 to 100 micrometers, preferably 30 to 70 micrometers, more preferably from 30 to 65 micrometers, most preferably from 30 to 60 micrometers and an average particle size (d90) in a range from 60 to 120 micrometers, and a bulk density of at least 800 g/l and no greater than 2000 g/l when measured according to DIN EN ISO 60:2000-1. Also provided are uses of the powder, processes of making the powders, articles produced by using the powder and processes for additive manufacturing using the powder.