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1. 发明授权

US08840823B2 Method for producing polyglycolic acid fiber 有权
标题翻译：聚乙醇酸纤维的生产方法
公开(公告)号：US08840823B2
公开(公告)日：2014-09-23
申请号：US13376710
申请日：2010-05-24
申请人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Moriaki Arasaki , Kotaku Saigusa
发明人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Moriaki Arasaki , Kotaku Saigusa
IPC分类号： D01D5/08 , D01D5/26 , D01D10/04 , D02J1/22 , D01F6/62
CPC分类号： D01F6/625 , B29C47/0014 , B29C47/8805 , B29C47/8845 , D01D10/0409 , D02J1/228
摘要： A method for producing a polyglycolic acid fiber, including: obtaining undrawn yarns by melt spinning a polyglycolic acid resin; keeping the undrawn yarns under a temperature condition of 1 to 20° C.; obtaining drawn yarns by drawing the kept undrawn yarns; and, if necessary obtaining a staple fiber by cutting the drawn yarns.
摘要翻译：一种聚乙醇酸纤维的制造方法，包括：通过熔融纺丝聚乙醇酸树脂获得未拉伸丝; 将未拉伸纱线保持在1〜20℃的温度条件下。通过拉伸保持的未拉伸纱线获得拉伸纱线; 并且如果需要，通过切割拉伸纱线获得短纤维。

2. 发明申请

US20120086147A1 METHOD FOR PRODUCING POLYGLYCOLIC ACID FIBER 有权
标题翻译：聚硅酸纤维生产方法
公开(公告)号：US20120086147A1
公开(公告)日：2012-04-12
申请号：US13376710
申请日：2010-05-24
申请人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Moriaki Arasaki , Kotaku Saigusa
发明人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Moriaki Arasaki , Kotaku Saigusa
IPC分类号： B29C47/88
CPC分类号： D01F6/625 , B29C47/0014 , B29C47/8805 , B29C47/8845 , D01D10/0409 , D02J1/228
摘要： A method for producing a polyglycolic acid fiber, including: obtaining undrawn yarns by melt spinning a polyglycolic acid resin; keeping the undrawn yarns under a temperature condition of 1 to 20° C.; obtaining drawn yarns by drawing the kept undrawn yarns; and, if necessary obtaining a staple fiber by cutting the drawn yarns.
摘要翻译：一种聚乙醇酸纤维的制造方法，包括：通过熔融纺丝聚乙醇酸树脂获得未拉伸丝; 将未拉伸纱线保持在1〜20℃的温度条件下。通过拉伸保持的未拉伸纱线获得拉伸纱线; 并且如果需要，通过切割拉伸纱线获得短纤维。

3. 发明申请

US20120130024A1 POLYGLYCOLIC ACID-BASED FIBERS AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译：基于聚甘油酸的纤维及其生产方法
公开(公告)号：US20120130024A1
公开(公告)日：2012-05-24
申请号：US13388762
申请日：2010-07-14
申请人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Kotaku Saigusa
发明人： Hiroyuki Sato , Masahiro Yamazaki , Ryo Kato , Kotaku Saigusa
IPC分类号： D01F6/92 , C08L67/04 , B29C47/00
CPC分类号： D01F6/625 , D01F6/92 , D02J1/228
摘要： A method for producing a polyglycolic acid-based fiber, includes a spinning process of obtaining undrawn yarns by melt spinning a polyglycolic acid-based resin composition, which comprises a polyglycolic acid resin and a polylactic acid resin having a weight average molecular weight of 10×104 to 30×104 in a mass ratio of the polyglycolic acid resin to the polylactic acid resin of 70/30 to 99/1. The method also includes a keeping process of keeping the undrawn yarns and a drawing process of obtaining drawn yarns by drawing the kept undrawn yarns.
摘要翻译：聚乙醇酸系纤维的制造方法包括使聚乙醇酸系树脂组合物熔融纺丝得到未拉伸丝的纺丝方法，所述聚乙醇酸系树脂组合物含有聚乙醇酸树脂和重均分子量为10×10的聚乳酸树脂聚乙醇酸树脂与聚乳酸树脂的质量比为70〜30〜99/1的比例为104〜30×104。该方法还包括保持未拉伸纱线的保持过程和通过拉伸保持的未拉伸纱线来获得拉伸纱线的拉伸过程。

4. 发明申请

US20120270048A1 BIODEGRADABLE ALIPHATIC POLYESTER PARTICLES AND PRODUCTION PROCESS THEREOF 有权
标题翻译：可生物降解的生物聚合物颗粒及其生产工艺
公开(公告)号：US20120270048A1
公开(公告)日：2012-10-25
申请号：US13452119
申请日：2012-04-20
申请人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Nanako Kuruhara , Hiroyuki Sato
发明人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Nanako Kuruhara , Hiroyuki Sato
IPC分类号： C08G63/06 , C08G63/88
CPC分类号： C08G63/08 , C08G63/88 , Y10T428/2982 , Y10T428/2991
摘要： Biodegradable aliphatic polyester particles have: (A) an average particle diameter of 10 to 500 μm, and (B) a quantity of heat of low-temperature crystallization calculated as an exotherm attending on crystallization, detected in the course of heating by DSC, of at least 1 J/g, and preferably: (C) a quantity of heat of crystal melting calculated as an endotherm attending on melting of a crystal, detected in the course of the heating, of less than 100 J/g, and (D) a difference between the quantity of heat of crystal melting and the quantity of heat of low-temperature crystallization of less than 90 J/g. A process for producing the particles, comprises grinding a particular biodegradable aliphatic polyester having a weight average molecular weight of at least 50,000 at not lower than 0° C. and lower than the glass transition temperature of the polyester while applying high shearing force.
摘要翻译：生物降解性脂肪族聚酯粒子具有：（A）平均粒径为10〜500μm，（B）以DSC为加热过程中检测到的结晶化时的热分解热量，至少为1J / g，优选为：（C）在加热过程中检测到的以熔融结晶为基准的吸热热量计算为小于100J / g的结晶熔融量，（D ）结晶熔融热量与低温结晶热量之差小于90J / g。一种制造颗粒的方法，包括在施加高剪切力的同时，将不低于0℃的重均分子量至少为50,000的特定的可生物降解的脂肪族聚酯和低于聚酯的玻璃化转变温度进行研磨。

5. 发明申请

US20130224485A1 UNDRAWN POLYGLYCOLIC ACID-BASED RESIN YARN, DRAWN POLYGLYCOLIC ACID-BASED RESIN YARN USING THE SAME, AND METHODS FOR PRODUCING THE SAME 有权
标题翻译：基于多晶聚合酸的树脂纱线，使用其的基于多聚乙酸树脂的树脂纱线及其生产方法
公开(公告)号：US20130224485A1
公开(公告)日：2013-08-29
申请号：US13885042
申请日：2011-11-07
申请人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Hisaaki Terashima , Hiroyuki Sato
发明人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Hisaaki Terashima , Hiroyuki Sato
IPC分类号： D02G3/02 , C08G63/06 , D01G1/04
CPC分类号： D02G3/02 , C08G63/06 , D01D5/084 , D01F6/625 , D01G1/04 , D02J1/224 , Y10T428/298
摘要： A method for producing an undrawn polyglycolic acid-based resin yarn, including: a discharge step of discharging a molten polyglycolic acid-based resin through a spinneret, to thereby form a fibrous polyglycolic acid-based resin; a keeping step of keeping the fibrous polyglycolic acid-based resin for 0.0012 seconds or more after the discharge in an atmosphere having a temperature of not lower than 110.5° C. but not higher than a melting point of the polyglycolic acid-based resin; and a cooling step of cooling the fibrous polyglycolic acid-based resin obtained in the keeping step, to thereby obtain an undrawn polyglycolic acid-based resin yarn.
摘要翻译：一种未拉伸聚乙醇酸系树脂纱线的制造方法，其特征在于，包括：通过喷丝头排出熔融的聚乙醇酸系树脂，从而形成纤维状聚乙醇酸系树脂的排出工序; 在温度不低于110.5℃但不高于聚乙醇酸系树脂的熔点的气氛中，在放电后将纤维状聚乙醇酸类树脂保持0.0012秒以上的保持步骤; 以及冷却保持步骤得到的纤维状聚乙醇酸系树脂的冷却工序，得到未拉伸聚乙醇酸系树脂纱线。

6. 发明申请

US20140017495A1 Biodegradable Aliphatic Polyester Particles and Production Process Thereof 审中-公开
标题翻译：可生物降解的脂肪族聚酯颗粒及其制备方法
公开(公告)号：US20140017495A1
公开(公告)日：2014-01-16
申请号：US14006982
申请日：2012-03-21
申请人： Masahiro Yamazaki , Kotaku Saigusa , Shunsuke Abe , Nanako Saigusa , Hiroyuki Sato
发明人： Masahiro Yamazaki , Kotaku Saigusa , Shunsuke Abe , Nanako Saigusa , Hiroyuki Sato
IPC分类号： C08G63/88 , C08G63/06
CPC分类号： C08G63/88 , B29B9/10 , B29K2995/006 , C08G63/06 , C08J3/12 , C08J2300/16 , C08J2367/04 , C08L101/16 , Y10T428/2982
摘要： The invention provides biodegradable aliphatic polyester particles having the following physical properties: (A) the average particle diameter thereof is 5 to 500 μm; and (B) the fracture stress of a columnar tablet obtained by molding the particles in a cylindrical mold by applying a load of 4 kgf/cm2 for 1 hour at a temperature of 40° C. is at most 500 gf/cm2, and preferably also having the following property: (C) the fracture stress of a columnar tablet obtained by molding the particles in a cylindrical mold by applying a load of 4 kgf/cm2 for 1 hour at a temperature of [the glass transition temperature (Tg) of a biodegradable aliphatic polyester +10° C.] is at most 2,000 gf/cm2, a process for producing the biodegradable aliphatic polyester particles, which comprises treating a particulate biodegradable aliphatic polyester obtained by grinding at a temperature lower than the Tg at a temperature not lower than [the crystallization temperature (Tc1) upon heating of the biodegradable aliphatic polyester−40° C], and the biodegradable aliphatic polyester particles obtained by the production process.
摘要翻译：本发明提供具有以下物理性质的生物可降解脂族聚酯颗粒：（A）其平均粒径为5至500μm; 和（B）通过在40℃的温度下施加4kgf / cm 2的负荷1小时将通过在圆筒形模具中成型颗粒而获得的柱状片的断裂应力为500gf / cm 2以下，优选为还具有以下特性：（C）通过在[玻璃化转变温度（Tg）为[玻璃化转变温度（Tg）]的温度下，通过在4kgf / cm 2的负荷下进行1小时的模塑而将颗粒成形为圆柱形模具而获得的柱状片的断裂应力生物降解性脂肪族聚酯+ 10℃]为2000gf / cm 2以下，生物降解性脂肪族聚酯粒子的制造方法，其特征在于，在不低于Tg的温度下，在不低于Tg的温度下，研磨得到的颗粒状生物降解性脂肪族聚酯低于[生物降解性脂肪族聚酯-40℃加热时的结晶温度（Tc1）]，以及通过该制造方法得到的生物降解性脂肪族聚酯粒子。

7. 发明授权

US09493891B2 Method for producing polyglycolic acid resin yarn 有权
标题翻译：聚乙醇酸树脂纱线的制造方法
公开(公告)号：US09493891B2
公开(公告)日：2016-11-15
申请号：US13885042
申请日：2011-11-07
申请人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Hisaaki Terashima , Hiroyuki Sato
发明人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Hisaaki Terashima , Hiroyuki Sato
IPC分类号： D01D5/08 , D01D5/088 , D01D5/12 , D01D5/26 , D01D10/02 , D01F6/62 , D02J1/22 , D02J13/00 , D02G3/02 , D01D5/084 , C08G63/06 , D01G1/04
CPC分类号： D02G3/02 , C08G63/06 , D01D5/084 , D01F6/625 , D01G1/04 , D02J1/224 , Y10T428/298
摘要： A method for producing an undrawn polyglycolic acid-based resin yarn, including: a discharge step of discharging a molten polyglycolic acid-based resin through a spinneret, to thereby form a fibrous polyglycolic acid-based resin; a keeping step of keeping the fibrous polyglycolic acid-based resin for 0.0012 seconds or more after the discharge in an atmosphere having a temperature of not lower than 110.5° C. but not higher than a melting point of the polyglycolic acid-based resin; and a cooling step of cooling the fibrous polyglycolic acid-based resin obtained in the keeping step, to thereby obtain an undrawn polyglycolic acid-based resin yarn.
摘要翻译：一种未拉伸聚乙醇酸系树脂纱线的制造方法，其特征在于，包括：通过喷丝头排出熔融的聚乙醇酸系树脂，从而形成纤维状聚乙醇酸系树脂的排出工序; 在温度不低于110.5℃但不高于聚乙醇酸系树脂的熔点的气氛中，在放电后将纤维状聚乙醇酸类树脂保持0.0012秒以上的保持步骤; 以及冷却保持步骤得到的纤维状聚乙醇酸系树脂的冷却工序，得到未拉伸聚乙醇酸系树脂纱线。

8. 发明授权

US08865304B2 Biodegradable aliphatic polyester particles and production process thereof 有权
标题翻译：生物降解脂肪族聚酯颗粒及其制备方法
公开(公告)号：US08865304B2
公开(公告)日：2014-10-21
申请号：US13452119
申请日：2012-04-20
申请人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Nanako Kuruhara , Hiroyuki Sato
发明人： Kotaku Saigusa , Masahiro Yamazaki , Shunsuke Abe , Nanako Kuruhara , Hiroyuki Sato
IPC分类号： C08G63/06 , C08G63/88 , C08G63/08
CPC分类号： C08G63/08 , C08G63/88 , Y10T428/2982 , Y10T428/2991
摘要： Biodegradable aliphatic polyester particles have: (A) an average particle diameter of 10 to 500 μm, and (B) a quantity of heat of low-temperature crystallization calculated as an exotherm attending on crystallization, detected in the course of heating by DSC, of at least 1 J/g, and preferably: (C) a quantity of heat of crystal melting calculated as an endotherm attending on melting of a crystal, detected in the course of the heating, of less than 100 J/g, and (D) a difference between the quantity of heat of crystal melting and the quantity of heat of low-temperature crystallization of less than 90 J/g. A process for producing the particles comprises grinding a particular biodegradable aliphatic polyester having a weight average molecular weight of at least 50,000 at not lower than 0° C. and lower than the glass transition temperature of the polyester while applying high shearing force.
摘要翻译：生物降解性脂肪族聚酯粒子具有：（A）平均粒径为10〜500μm，（B）以DSC为加热过程中检测到的结晶化时的热分解热量，至少为1J / g，优选为：（C）在加热过程中检测到的以熔融结晶为基准的吸热热量计算为小于100J / g的结晶熔融量，（D ）结晶熔融热量与低温结晶热量之差小于90J / g。制造颗粒的方法包括在施加高剪切力的同时，在不低于0℃并且低于聚酯的玻璃化转变温度的情况下研磨重均分子量为至少50,000的特定的可生物降解的脂族聚酯。

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