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1.发明授权Fluororesin composition, fluororesin molded article and method for producing the same 有权氟树脂组合物，氟树脂成型体及其制造方法公开(公告)号：US08466236B2
公开(公告)日：2013-06-18
申请号：US12527510
申请日：2008-02-18
CPC分类号： B29B13/007 , B29K2027/12 , B29K2027/18 , C08L27/16 , C08L27/18 , C08L2205/02 , C08L2666/04
摘要： The invention provides a fluororesin composition capable of providing a molded article having low relative dielectric constant, excellent in a temperature stability and causing only small transmission losses. The invention is a fluororesin composition wherein a rate of change in relative dielectric constant between 25° C. and 80° C. of a molded article produced therefrom under a standard condition is not greater than 0.2%.
摘要翻译： 本发明提供一种氟树脂组合物，其能够提供具有低相对介电常数的模制品，其温度稳定性优异并且仅导致较小的传输损失。 本发明是一种氟树脂组合物，其中在标准条件下由其制备的模塑制品在25℃和80℃之间的相对介电常数的变化率不大于0.2％。
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公开(公告)号：US20080227880A1
公开(公告)日：2008-09-18
申请号：US12047370
申请日：2008-03-13
IPC分类号： C08J9/00
CPC分类号： B01D71/36 , B01D67/002 , B01D67/0025 , B01D69/02 , B01D71/26 , B01D71/32 , B01D71/34 , B01D2325/24 , C08J9/0061 , C08J2327/18
摘要： The present invention provides a molded porous body with very small air bubbles distributed therein as well as a filter using the porous body. The present invention is related to a porous body comprising a polytetrafluoroethylene-based resin and a thermoplastic resin other than the polytetrafluoroethylene-based resin, and having a specific gravity exceeding 1.80 but less than 2.18 and a percent conversion to crystals of not higher than 50%.
摘要翻译： 本发明提供一种其中分布有非常小的气泡的成型多孔体以及使用该多孔体的过滤器。 本发明涉及一种多孔体，其包含聚四氟乙烯类树脂和聚四氟乙烯类树脂以外的热塑性树脂，其比重超过1.80但小于2.18，转化率不高于50％ 。
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3.发明申请FLUORORESIN COMPOSITION, FLUORORESIN MOLDED ARTICLE AND METHOD FOR PRODUCING THE SAME 有权氟菊酯组合物，氟菊酯模塑制品及其制造方法公开(公告)号：US20100087599A1
公开(公告)日：2010-04-08
申请号：US12527510
申请日：2008-02-18
IPC分类号： C08L27/12
CPC分类号： B29B13/007 , B29K2027/12 , B29K2027/18 , C08L27/16 , C08L27/18 , C08L2205/02 , C08L2666/04
摘要： The invention provides a fluororesin composition capable of providing a molded article having low relative dielectric constant, excellent in a temperature stability and causing only small transmission losses. The invention is a fluororesin composition wherein a rate of change in relative dielectric constant between 25° C. and 80° C. of a molded article produced therefrom under a standard condition is not greater than 0.2%.
摘要翻译： 本发明提供一种氟树脂组合物，其能够提供具有低相对介电常数的模制品，其温度稳定性优异并且仅导致较小的传输损失。 本发明是一种氟树脂组合物，其中在标准条件下由其制备的模塑制品在25℃和80℃之间的相对介电常数的变化率不大于0.2％。
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公开(公告)号：US09309335B2
公开(公告)日：2016-04-12
申请号：US13810323
申请日：2011-09-29
IPC分类号： C08F14/26 , C08F2/20 , C08F114/26 , C08J3/16 , C08F214/26
CPC分类号： C08F14/26 , C08F2/20 , C08F114/26 , C08F214/26 , C08J3/16 , C08J2327/18 , Y10T428/2982 , C08F114/24
摘要： A process for producing a polytetrafluoroethylene fine powder including: (1) a step of preparing an aqueous dispersion containing polytetrafluoroethylene, water and a surfactant (A); (2) a step of initiating coagulation of the polytetrafluoroethylene in said aqueous dispersion by agitating said aqueous dispersion; (3) a step of adding a surfactant (B) after the step (2); (4) a step of terminating coagulation after the step (3); (5) a step of collecting a wet powder of the polytetrafluoroethylene; and (6) a step of drying the wet powder of the polytetrafluoroethylene.
摘要翻译： 一种生产聚四氟乙烯细粉的方法，包括：（1）制备含有聚四氟乙烯，水和表面活性剂（A）的水分散体的步骤; （2）通过搅拌所述水性分散体来引发聚四氟乙烯在所述水分散体中的凝结的步骤; （3）在步骤（2）之后加入表面活性剂（B）的步骤; （4）在步骤（3）之后终止凝结的步骤; （5）收集聚四氟乙烯的湿粉末的步骤; 和（6）干燥聚四氟乙烯的湿粉末的步骤。
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公开(公告)号：US08937132B2
公开(公告)日：2015-01-20
申请号：US13995352
申请日：2011-12-21
申请人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
发明人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
CPC分类号： C08L27/18 , B01D67/0027 , B01D71/36 , B01D2323/42 , C08L2205/02 , C08L2205/16
摘要： Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a PTFE porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a fibrillable modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the polytetrafluoroethylene homopolymer having strength at break of 25 N or higher.
摘要翻译： 可以容易地进行双轴取向，即使以高拉伸比均匀拉伸的材料，也可以形成低压损失的PTFE多孔膜。 聚四氟乙烯混合物本发明涉及聚四氟乙烯混合物，其包括：可原纤维改性聚四氟乙烯; 和可原纤聚四氟乙烯均聚物，其断裂强度为25N以上的聚四氟乙烯均聚物。
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公开(公告)号：US20130184401A1
公开(公告)日：2013-07-18
申请号：US13876361
申请日：2011-09-29
IPC分类号： C08J3/16
CPC分类号： C08J3/16 , C08J2327/18
摘要： A method for manufacturing a polytetrafluoroethylene fine powder characterized by including the steps of (1) preparing an aqueous dispersion containing polytetrafluoroethylene, water, and a surfactant (A); (2) coagulating the polytetrafluoroethylene in the aqueous dispersion by agitating the aqueous dispersion with a discharge flow-type impeller; (3) collecting a wet powder of the polytetrafluoroethylene; and (4) drying the wet powder of the polytetrafluoroethylene.
摘要翻译： 其特征在于包括以下步骤：（1）制备含有聚四氟乙烯，水和表面活性剂（A）的水性分散体的步骤; （2）通过用排出流式叶轮搅拌水分散体而使水分散体中的聚四氟乙烯凝结; （3）收集聚四氟乙烯的湿粉末; 和（4）干燥聚四氟乙烯的湿粉末。
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公开(公告)号：US07820775B2
公开(公告)日：2010-10-26
申请号：US12296865
申请日：2007-04-13
申请人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
发明人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
IPC分类号： C08F14/18
CPC分类号： C08F114/26 , C08F14/26 , C08F214/26 , Y10T428/3154 , Y10T428/31544 , C08F2/22
摘要： The invention provides a TFE polymer capable of providing stretched materials excellent in membrane homogeneity. The present invention is related to a tetrafluoroethylene polymer having stretchability and non-melt-processability and having a standard specific gravity of 2.140 to 2.165, wherein, with regard to the heat-of-fusion curve obtained by subjecting the tetrafluoroethylene polymer in the form of an unbaked polymer to be measured having no history of being heated to a temperature of 300° C. or higher to differential scanning calorimetry at a programming rate of 2° C./minute, the ratio S2/S1 is not lower than 0.90.
摘要翻译： 本发明提供能够提供膜均匀性优异的拉伸材料的TFE聚合物。 本发明涉及具有拉伸性和非熔融加工性，标准比重为2.140〜2.165的四氟乙烯聚合物，其中，对于通过使四氟乙烯聚合物以 在2℃/分钟的编程速度下，将没有被加热到300℃以上的温度的历史记录到差示扫描量热法中，待测量的未焙烧聚合物的比例S2 / S1不低于0.90。
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公开(公告)号：US09475935B2
公开(公告)日：2016-10-25
申请号：US13877034
申请日：2011-09-29
申请人： Taku Yamanaka , Masayoshi Miyamoto , Shunji Kasai , Masayuki Tsuji , Kazuya Kawahara , Mayumi Yamauchi , Taketo Kato , Yasuhiko Sawada
发明人： Taku Yamanaka , Masayoshi Miyamoto , Shunji Kasai , Masayuki Tsuji , Kazuya Kawahara , Mayumi Yamauchi , Taketo Kato , Yasuhiko Sawada
CPC分类号： C08L69/00 , C08F214/26 , C08J3/16 , C08J3/203 , C08J2327/18 , C08J2369/00 , C08J2427/18 , C08L27/18 , C08L27/22 , C08L67/02 , Y10T428/2982 , C08F214/28 , C08F2/26
摘要： Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 μm, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
摘要翻译： 具有处理性优异的滴液抑制剂。 本发明提供一种包含改性聚四氟乙烯的防滴落剂，该平均粒度为300〜800μm，表观密度为0.40〜0.52g / ml，压缩比为1.20以下，聚集体崩解度为50 -sec振动为70％以上，压下率1500为80MPa以下的圆筒挤出压力为2.140〜2.230的标准比重（SSG）。
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公开(公告)号：US20130184395A1
公开(公告)日：2013-07-18
申请号：US13877034
申请日：2011-09-29
申请人： Taku Yamanaka , Masayoshi Miyamoto , Shunji Kasai , Masayuki Tsuji , Kazuya Kawahara , Mayumi Yamauchi , Taketo Kato , Yasuhiko Sawada
发明人： Taku Yamanaka , Masayoshi Miyamoto , Shunji Kasai , Masayuki Tsuji , Kazuya Kawahara , Mayumi Yamauchi , Taketo Kato , Yasuhiko Sawada
IPC分类号： C08L27/18
CPC分类号： C08L69/00 , C08F214/26 , C08J3/16 , C08J3/203 , C08J2327/18 , C08J2369/00 , C08J2427/18 , C08L27/18 , C08L27/22 , C08L67/02 , Y10T428/2982 , C08F214/28 , C08F2/26
摘要： Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 μm, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
摘要翻译： 具有处理性优异的滴液抑制剂。 本发明提供一种滴加抑制剂，其包含改性聚四氟乙烯，该平均粒径为300〜800μm，表观密度为0.40〜0.52g / ml，压缩比为1.20以下，聚合物崩解度为50 -sec振动为70％以上，压下率1500为80MPa以下的圆筒挤出压力为2.140〜2.230的标准比重（SSG）。
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10.发明申请公开(公告)号：US20120101214A1
公开(公告)日：2012-04-26
申请号：US13260911
申请日：2010-03-31
申请人： Taku Yamanaka , Masayuki Tsuji , Shunji Kasai , Yasuhiko Sawada
发明人： Taku Yamanaka , Masayuki Tsuji , Shunji Kasai , Yasuhiko Sawada
IPC分类号： C08F214/26 , C08F4/30 , C09D127/18 , C08F4/28
CPC分类号： C08F14/26 , C08F114/26 , C08F2/24 , C08F2/22 , C08F2/18
摘要： The present invention provides a low-molecular weight polytetrafluoroethylene powder that, when used as an additive in a coating material, etc., can form a coating with excellent texture and gliding properties, while also improving dispersibility and viscosity; and a production process therefor. The present invention is a process for producing a low-molecular weight polytetrafluoroethylene powder, the process comprising: an emulsion polymerization step of polymerizing at least tetrafluoroethylene in the presence of a polymerization initiator and an aqueous medium to produce emulsified particles thereof; an agglomeration step of agglomerating the emulsified particles to form an agglomerated powder thereof; and a suspension polymerization step of polymerizing at least tetrafluoroethylene in the presence of the agglomerated powder, a polymerization initiator, and an aqueous medium.
摘要翻译： 本发明提供一种低分子量聚四氟乙烯粉末，其在涂料等中作为添加剂使用时，可以形成具有优良质地和滑动性能的涂料，同时还可提高分散性和粘度; 及其生产工艺。 本发明是一种生产低分子量聚四氟乙烯粉末的方法，该方法包括：在聚合引发剂和水性介质存在下聚合至少四氟乙烯以产生其乳化颗粒的乳液聚合步骤; 凝聚步骤，使乳化粒子凝集，形成凝聚粉末; 和在聚集粉末，聚合引发剂和水性介质的存在下聚合至少四氟乙烯的悬浮聚合步骤。
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