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1. 发明授权

US07820775B2 Tetrafluoroethylene polymer and aqueous dispersion thereof 有权
标题翻译：四氟乙烯聚合物及其水分散体
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。

2. 发明授权

US08865839B2 Polytetrafluoroethylene mixture 有权
标题翻译：聚四氟乙烯混合物
公开(公告)号：US08865839B2
公开(公告)日：2014-10-21
申请号：US13996039
申请日：2011-12-21
申请人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
发明人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
IPC分类号： C08L27/12 , C08F14/18 , C08J5/18 , C08L29/10 , C08L27/18
CPC分类号： C08L29/10 , B01D67/0027 , B01D71/36 , B01D2323/12 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/025
摘要： Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa 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，也可以形成低压降的聚四氟乙烯多孔膜。本发明涉及聚四氟乙烯混合物，其包含：改性聚四氟乙烯; 和可原纤维聚四氟乙烯均聚物，具有挤出压力的改性聚四氟乙烯以减压比1600为70MPa以上。

3. 发明申请

US20130281558A1 POLYTETRAFLUOROETHYLENE MIXTURE 有权
标题翻译：聚四氟乙烯混合物
公开(公告)号：US20130281558A1
公开(公告)日：2013-10-24
申请号：US13996039
申请日：2011-12-21
申请人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
发明人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
IPC分类号： C08L29/10
CPC分类号： C08L29/10 , B01D67/0027 , B01D71/36 , B01D2323/12 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/025
摘要： Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa 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，也可以形成低压降的聚四氟乙烯多孔膜。本发明涉及聚四氟乙烯混合物，其包含：改性聚四氟乙烯; 和可原纤维聚四氟乙烯均聚物，具有挤出压力的改性聚四氟乙烯以减压比1600为70MPa以上。

4. 发明申请

US20090281231A1 TETRAFLUOROETHYLENE POLYMER AND AQUEOUS DISPERSION THEREOF 有权
标题翻译：四氢氟乙烯聚合物及其分散体
公开(公告)号：US20090281231A1
公开(公告)日：2009-11-12
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： C08F214/26 , C08L27/18
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 between the amount of heat, S2 mJ/mg, absorbed within the temperature range of from the temperature T0° C., which is lower by 2.5° C. than the temperature Tp° C. corresponding to the minimum point on the curve (provided that 340≦Tp≦345), up to 350° C., and the amount of heat, S1 mJ/mg, absorbed within the temperature range of from 320° C. up to the above-mentioned T0° C., namely 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，没有被加热到300℃以上的温度的历史上未测定的未焙烧的聚合物，差示扫描量热法，热量之比S2mJ / mg 在与曲线上最小点相对应的温度Tp°C（比340 <= Tp <= 345）更低的温度T0°C的温度范围内吸收，高达350℃，在320℃至上述T0℃的温度范围内吸收的热量S1mJ / mg，即[S2 / S1]比为不低于0.90。

5. 发明授权

US08937132B2 Polytetrafluoroethylene mixture 有权
标题翻译：聚四氟乙烯混合物
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
IPC分类号： C08L27/18 , C08L27/12 , C08F14/18 , B01D67/00 , B01D71/36
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。

6. 发明授权

US09475935B2 Dripping inhibitor and resin compound 有权
标题翻译：防滴剂和树脂化合物
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
IPC分类号： C08L27/18 , C08L69/00 , C08F214/26 , C08L67/02 , C08J3/16 , C08J3/20 , C08L27/22
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）。

7. 发明申请

US20130184395A1 DRIPPING INHIBITOR AND RESIN COMPOUND 有权
标题翻译：刮胶抑制剂和树脂化合物
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）。

8. 发明申请

US20120101214A1 LOW MOLECULAR WEIGHT POLYTETRAFLUOROETHYLENE POWDER AND PREPARATION METHOD THEREFOR 有权
标题翻译：低分子量聚四氟乙烯粉及其制备方法
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。

9. 发明授权

US08754176B2 Low molecular weight polytetrafluoroethylene powder and preparation method therefor 有权
标题翻译：低分子量聚四氟乙烯粉末及其制备方法
公开(公告)号：US08754176B2
公开(公告)日：2014-06-17
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
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。

10. 发明申请

US20130267621A1 POLYTETRAFLUOROETHYLENE MIXTURE 有权
标题翻译：聚四氟乙烯混合物
公开(公告)号：US20130267621A1
公开(公告)日：2013-10-10
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
IPC分类号： C08L27/18
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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