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1. 发明申请

WO2017173258A1 3-D PRINTED FLUOROPOLYMER STRUCTURES 审中-公开
标题翻译：三维印刷的含氟聚合物结构
公开(公告)号：WO2017173258A1
公开(公告)日：2017-10-05
申请号：PCT/US2017/025357
申请日：2017-03-31
申请人： ARKEMA INC.
发明人： LIU, David Shin-Ren , O'BRIEN, Gregory S. , SEILER, David A. , AUBART, Mark , HENRY, James J. , ROLAND, Thomas
IPC分类号： C08L27/16 , B29C67/00 , C08L23/04
摘要： The invention relates to fluoropolymer filament for use in 3-D printing, and 3-D printed fluoropolymer articles having low warpage, excellent chemical resistance, excellent water resistance, flame resistance, and good mechanical integrity. Additionally, the articles of the invention have good shelf life without the need for special packaging. In particular, the invention relates to filament, 3-D printed polyvinylidene fluoride (PVDF) articles, and in particular material extrusion 3-D printing. The articles may be formed from PVDF homopolymers, copolymers, such as KYNAR® resins from Arkema, as well as polymer blends with appropriately defined low shear melt viscosity. The PVDF may optionally be a filled PVDF formulation. The physical properties of the 3-D printed articles can be maximized and warpage minimized by optimizing processing parameters.
摘要翻译：本发明涉及用于3-D印刷的含氟聚合物长丝，以及具有低翘曲度，优异的耐化学性，优异的耐水性，阻燃性和良好的机械完整性的3-D印刷的含氟聚合物制品。此外，本发明的制品具有良好的保质期而不需要特殊的包装。具体地说，本发明涉及长丝，3-D印刷的聚偏二氟乙烯（PVDF）制品，特别是材料挤出3-D印刷。制品可以由PVDF均聚物，共聚物形成，例如KYNAR＆reg; 来自Arkema的树脂以及具有适当定义的低剪切熔体粘度的聚合物共混物。 PVDF可以任选地是填充的PVDF制剂。通过优化工艺参数，3D打印物品的物理特性可以被最大化并且翘曲被最小化。

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