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1.发明申请HIGH CRYSTALLINE POLY(LACTIC ACID) FILAMENTS FOR MATERIAL-EXTRUSION BASED ADDITIVE MANUFACTURING 审中-公开用于基于材料挤出的添加剂制造的高结晶聚（漆酸）纤维公开(公告)号：US20170066188A1
公开(公告)日：2017-03-09
申请号：US15309255
申请日：2015-05-08
发明人： Xiaofan Luo , Zhaokun Pei
CPC分类号： B33Y10/00 , B29C48/02 , B29C48/022 , B29C48/05 , B29C48/2888 , B29C48/30 , B29C64/106 , B29C71/0063 , B29C71/02 , B29C2071/022 , B29K2067/046 , B29K2105/0067 , B29K2995/0041 , B29L2031/731 , B33Y70/00 , C08G63/08 , D01D5/08 , D01F6/625
摘要： Provided is a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly (lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly (lactic acid) filament can accordingly be used in the additive manufacturing of three dimensional articles without encountering the problems associated with premature softening, such as poor quality and printer jamming. The crystalline poly (lactic acid) filaments can also be used in additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, or leading to increased printer complexity. It more specifically discloses a filament for use in three-dimensional printing which is comprised of crystalized poly (lactic acid), wherein said filament has a diameter which is within the range of 1.65 mm to 1.85 mm.
摘要翻译： 提供了在三维制品的添加剂制造中与PLA长丝过早软化相关的问题的新的和更好的解决方案。 基于以下发现：具有高结晶度的聚（乳酸）丝提供对热诱导的软化更好的抗性。 因此，结晶性聚（乳酸）丝可以用于三维制品的添加剂制造中，而不会遇到与过早软化相关的问题，例如质量差和打印机干扰。 结晶聚（乳酸）丝也可以用于三维制品的添加剂制造中，而不损害最终产品的质量，降低打印速度，增加成本或导致打印机复杂性增加。 更具体地公开了一种用于三维印刷的长丝，其由结晶化的聚（乳酸）组成，其中所述长丝的直径在1.65mm至1.85mm的范围内。
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公开(公告)号：US11633913B2
公开(公告)日：2023-04-25
申请号：US16257762
申请日：2019-01-25
发明人： Xiaofan Luo , Zhaokun Pei , Junheng Zhao , Julia D. Truchsess
IPC分类号： B29C64/188 , B29C71/00 , B05B13/02 , B05B17/06 , B29C64/30 , B33Y40/20 , B05C3/109 , B05C11/10 , B05C3/00 , B05B7/16 , B05B7/24 , B29C64/118
摘要： An apparatus (200) for smoothing a surface of an object (100). The apparatus includes a chamber (210), a reservoir (324) configured to hold a liquid (322), and a nebulizer assembly (212) configured to generate a mist (104) from the liquid into the chamber. The nebulizer assembly includes a mesh (732), a vibrating element (731), and a wick (736). The object is received in the chamber and the mist is configured to surround the object.
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公开(公告)号：US11000873B2
公开(公告)日：2021-05-11
申请号：US15736702
申请日：2016-04-26
发明人： Xiaofan Luo , Zhaokun Pei , Junheng Zhao , Julia D. Truchsess
IPC分类号： B05B17/06 , B29C71/00 , B05C3/109 , B05C11/10 , B05B7/16 , B05B7/24 , B05B13/02 , B29C64/118
摘要： An apparatus (200) for smoothing a surface of an object (100). The apparatus includes a chamber (210), a reservoir (324) configured to hold a liquid (322), and a nebulizer assembly (212) configured to generate a mist (104) from the liquid into the chamber. The nebulizer assembly includes a mesh (732), a vibrating element (731), and a wick (736). The object is received in the chamber and the mist is configured to surround the object.
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4.发明公开公开(公告)号：US20240025126A1
公开(公告)日：2024-01-25
申请号：US18469785
申请日：2023-09-19
发明人： Xiaofan Luo , Zhaokun Pei , Haiqing Yin
CPC分类号： B29C64/40 , C08L75/04 , B33Y70/00 , C08L2207/04 , B33Y10/00
摘要： The polymeric composition of this invention can be used as a temporary support material in the additive manufacturing of three dimensional articles without compromising ultimate product quality, reducing printing speed, requiring printers of increased complexity, or increasing cost or the incidence of printer jamming. This invention more specifically discloses a polymeric composition which is useful as a temporary support material for utilization in three-dimensional printing, this polymeric composition comprising of a first polymeric component which is suitable for use as a modeling material and a second polymeric component which is immiscible with the first polymeric component, wherein the polymeric composition has a continuous phase which is comprised of the second polymeric component, and wherein the polymeric composition has a Shore A hardness of at least 80.
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公开(公告)号：US10807290B2
公开(公告)日：2020-10-20
申请号：US16385431
申请日：2019-04-16
发明人： Xiaofan Luo , Zhaokun Pei
IPC分类号： D01D5/12 , D01D5/16 , D01D10/02 , D01D10/04 , D02J13/00 , B29C48/05 , B29C48/00 , D01F6/62 , B29C71/02 , D01D5/08 , B29C71/00 , B33Y70/00 , C08G63/08 , B29C64/118 , B33Y10/00 , B29K67/00 , B29C48/30 , B29C48/02 , B29C48/285 , B29K105/00 , B29L31/00
摘要： This invention involves a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly(lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly(lactic acid) filament of this invention can accordingly be used in the additive manufacturing of three dimensional articles without encountering the problems associated with premature softening, such as poor quality and printer jamming. The crystalline poly(lactic acid) filaments of this invention can also be used in additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, or leading to increased printer complexity. This invention more specifically discloses a filament for use in three-dimensional printing which is comprised of crystallized poly(lactic acid), wherein said filament has a diameter which is within the range of 1.65 mm to 1.85 mm.
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