A novel process route for the production of spherical LBM polymer powders with small size and good flowability
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- 作者：Jochen Schmidt jochen.schmidt@fau.de" class="auth_mail ; Marius Sachs marius.sachs@fau.de" class="auth_mail ; Christina Blü ; mel christina.bluemel@fau.de" class="auth_mail ; Bettina Winzer bettina.winzer@fau.de" class="auth_mail ; Franziska Toni franziska.toni@fau.de" class="auth_mail ; Karl-Ernst Wirth karl-ernst.wirth@fau.de" class="auth_mail ; Wolfgang Peukert ; wolfgang.peukert@fau.de" class="auth_mail
- 关键词：Polymers ; Wet grinding ; Downer reactor ; Dry particle coating ; Flowability ; Laser beam melting (LBM)
- 刊名：Powder Technology
- 出版年：July 2014
- 年：2014
- 卷：261
- 期：Complete
- 页码：78-86
- 全文大小：1367 K
文摘
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New process chain for producing LBM polymer powders with good flowability
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Wet grinding of commercially available polymer granules allows for small product size.
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Rounding of polymer grinding product in a downer reactor
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Nanoparticulate surface modification by dry coating increases surface roughness.
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Improvement of flowability of rounded polymer microparticles by dry coating