Invention Application
- Patent Title: SPRAYABLE POWDER OF FLUOROPOLYMER PARTICLES
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Application No.: PCT/IB2019/058833Application Date: 2019-10-16
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Publication No.: WO2020079618A1Publication Date: 2020-04-23
- Inventor: GELDMACHER, Andreas M. , ZENTIS, Fee , MAERZ, Michael , HINTZER, Klaus , KASPAR, Harald , EICHLER, Jens , GOTTSCHALK-GAUDIG, Gabriele H.
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Agency: SPIELBAUER, Thomas M. et al.
- Priority: EP18201540.4 20181019
- Main IPC: C08J3/12
- IPC: C08J3/12 ; B29C64/153
Abstract:
The present disclosure relates to a fluoropolymer powder for additive manufacturing of fluoropolymers having an average particle size (d 50 ) 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 (d 90 ) 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.
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