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公开(公告)号：US06852827B2
公开(公告)日：2005-02-08
申请号：US10476117
申请日：2002-07-05
CPC分类号： B01J19/24 , B01J19/02 , B01J19/2415 , B01J2219/0236 , B01J2219/1943 , B01J2219/1946 , C08G63/08 , C08G63/78 , C08G63/785 , C08G63/89
摘要： The invention provides a polyester production process by bulk polymerization in a reactor, wherein the volume of the resulting polyester is shrunk for a release from the inner surface of the reactor, so that the polyester can be recovered in the form of a bulky mass. The invention also provides a reactor for bulk polymerization for polyester, which comprises an inner surface that enabling the resulting polyester to be released therefrom upon its volume shrinkage.
摘要翻译： 本发明提供了在反应器中本体聚合的聚酯制造方法，其中所得聚酯的体积收缩以从反应器的内表面释放，使得聚酯可以以体积质量的形式回收。 本发明还提供了一种用于聚酯的本体聚合反应器，其包括使得所得聚酯在其体积收缩时能够从其中释放的内表面。
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公开(公告)号：US07179868B2
公开(公告)日：2007-02-20
申请号：US10548646
申请日：2004-03-19
CPC分类号： B32B27/36 , C08L67/02 , C08L67/04 , C08L2666/18
摘要： A polyglycolic acid-based resin composition is formed by adding a relatively small amount of aromatic polyester resin to a polyglycolic acid resin. The thus-formed composition is provided with remarkably improved moisture resistance stability and hot-melt processability, and further improved stretchability, while retaining the excellent properties as represented by gas barrier property of the polyglycolic acid resin. As a result of stretching by utilizing the improved stretchability, a shaped product having an improved transparency can be obtained.
摘要翻译： 通过将相对少量的芳族聚酯树脂加入到聚乙醇酸树脂中来形成聚乙醇酸类树脂组合物。 提供如此形成的组合物具有显着改进的耐湿稳定性和热熔加工性，并且进一步提高拉伸性，同时保持由聚乙醇酸树脂的阻气性表示的优异性能。 通过利用改进的拉伸性进行拉伸的结果，可以获得具有改善的透明度的成形制品。
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3.发明申请Process for Producing Aliphatic Polyester Reduced in Residual Cyclic Ester Content 有权生产脂肪族聚酯在残余环酯中的还原过程公开(公告)号：US20070244293A1
公开(公告)日：2007-10-18
申请号：US10593230
申请日：2005-03-17
申请人： Hiroyuki Sato , Fuminori Kobayashi , Yukichika Kawakami , Kazuyuki Yamane , Yoshikazu Amano , Takashi Sato
发明人： Hiroyuki Sato , Fuminori Kobayashi , Yukichika Kawakami , Kazuyuki Yamane , Yoshikazu Amano , Takashi Sato
摘要： In the production of an aliphatic polyester by ring-opening polymerization of a cyclic ester, at least a latter period of polymerization is proceeded with by way of solid-phase polymerization, and the resultant aliphatic polyester is subjected to removal of residual cyclic ester. As a result, an aliphatic polyester with a minimized content of residual monomer is obtained.
摘要翻译： 在通过环状酯的开环聚合生产脂肪族聚酯时，至少通过固相聚合进行聚合的后期，并将所得的脂族聚酯除去残留的环状酯。 结果，得到残留单体含量最小的脂肪族聚酯。
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4.发明授权Process for producing aliphatic polyester reduced in residual cyclic ester content 有权制备脂肪族聚酯的方法减少了残留的环酯含量公开(公告)号：US08658758B2
公开(公告)日：2014-02-25
申请号：US10593230
申请日：2005-03-17
申请人： Hiroyuki Sato , Fuminori Kobayashi , Yukichika Kawakami , Kazuyuki Yamane , Yoshikazu Amano , Takashi Sato
发明人： Hiroyuki Sato , Fuminori Kobayashi , Yukichika Kawakami , Kazuyuki Yamane , Yoshikazu Amano , Takashi Sato
IPC分类号： C08G63/08
摘要： In the production of an aliphatic polyester by ring-opening polymerization of a cyclic ester, at least a latter period of polymerization is proceeded with by way of solid-phase polymerization, and the resultant aliphatic polyester is subjected to removal of residual cyclic ester. As a result, an aliphatic polyester with a minimized content of residual monomer is obtained.
摘要翻译： 在通过环状酯的开环聚合生产脂肪族聚酯时，至少通过固相聚合进行聚合的后期，并将所得的脂族聚酯除去残留的环状酯。 结果，得到残留单体含量最小的脂肪族聚酯。
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公开(公告)号：US20060100392A1
公开(公告)日：2006-05-11
申请号：US10548646
申请日：2004-03-19
CPC分类号： B32B27/36 , C08L67/02 , C08L67/04 , C08L2666/18
摘要： A polyglycolic acid-based resin composition is formed by adding a relatively small amount of aromatic polyester resin to a polyglycolic acid resin. The thus-formed composition is provided with remarkably improved moisture resistance stability and hot-melt processability, and further improved stretchability, while retaining the excellent properties as represented by gas barrier property of the polyglycolic acid resin. As a result of stretching by utilizing the improved stretchability, a shaped product having an improved transparency can be obtained.
摘要翻译： 通过将相对少量的芳族聚酯树脂加入到聚乙醇酸树脂中来形成聚乙醇酸类树脂组合物。 提供如此形成的组合物具有显着改进的耐湿稳定性和热熔加工性，并且进一步提高拉伸性，同时保持由聚乙醇酸树脂的阻气性表示的优异性能。 通过利用改进的拉伸性进行拉伸的结果，可以获得具有改善的透明度的成形制品。
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公开(公告)号：US07067611B2
公开(公告)日：2006-06-27
申请号：US10483039
申请日：2002-07-05
IPC分类号： C08G63/02
摘要： Polyhydroxycarhoxylic acids are provided, which are controlled in terms of the rate of biodegradability, and give molded or otherwise formed articles that are of uniform quality with neither premature strength drop nor premature deterioration of retention of outside shape, and their production process is provided as well. The poly-hydroxycarboxylic acids are obtained by ring-opening polymerization of cyclic esters. The polyhydroxy-carboxylic acids have a weight-average molecular weight (Mw) in the range of 10,000 to 1,000,000, a molecular weight distribution in the range of 1.0 to 2.5 as represented by the weight-average molecular weight-to-number-average molecular weight ratio (Mw/Mn) and a yellowness index (YI) of 40 or less, and have a precisely controlled rate of biodegradability.
摘要翻译： 提供了多羟基甲氧基酸，其以生物降解性的速率进行控制，并且得到具有均匀质量的成型制品或其它成型制品，既不过早强度下降也不会使外部形状保持力过早劣化，并且还提供其制造方法 。 多羟基羧酸通过环状酯的开环聚合得到。 多羟基羧酸的重均分子量（Mw）为10,000〜1,000,000，分子量分布范围为1.0〜2.5，以重均分子量与数均分子量 重量比（Mw / Mn）和黄色指数（YI）为40以下，具有精确控制的生物降解率。
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7.发明授权公开(公告)号：US06916939B2
公开(公告)日：2005-07-12
申请号：US10344461
申请日：2001-08-08
IPC分类号： C07D319/12
CPC分类号： C08J3/28 , C07D319/12 , C08J11/24 , C08J2300/14 , C08J2367/04 , Y02W30/706
摘要： The present invention provides a process for production of a cyclic ester by depolymerization of an aliphatic polyester. In the process, a mixture containing the aliphatic polyester and a specific polyalkylene glycol ether, which has a boiling point of 230-450° C. and a molecular weight of 150-450, is heated under normal or reduced pressure to a temperature at which depolymerization of the aliphatic polyester takes place. Then, a substantially homogeneous solution phase, consisting of the melt phase of the aliphatic polyester and the liquid phase of the polyalkylene glycol ether, is formed. Heating of the solution phase is continued to form the cyclic ester by depolymerization and distil out the cyclic ester together with the polyalkylene glycol ether, and then the cyclic ester is recovered from the distillate. The present invention also provides a process for purification of a crude cyclic ester by use of the specific polyalkylene glycol ether described above.
摘要翻译： 本发明提供了通过脂肪族聚酯的解聚制备环状酯的方法。 在该方法中，将含有脂族聚酯和特定的聚亚烷基二醇醚的混合物在沸点为230-450℃，分子量为150-450的条件下，在正常或减压下加热至 发生脂肪族聚酯的解聚。 然后，形成由脂肪族聚酯的熔融相和聚亚烷基二醇醚的液相组成的基本均匀的溶液相。 溶液相的加热继续通过解聚形成环酯，并与聚亚烷基二醇醚一起蒸馏出环状酯，然后从馏出物中回收环状酯。 本发明还提供了通过使用上述特定的聚亚烷基二醇醚来纯化粗环酯的方法。
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公开(公告)号：US20050221032A1
公开(公告)日：2005-10-06
申请号：US10515387
申请日：2003-05-28
CPC分类号： B32B27/08 , B32B27/36 , B32B2307/7163 , B32B2439/70 , B65D65/466 , Y02A40/961 , Y02W90/13 , Y10T428/1328 , Y10T428/1352
摘要： A shaped container of biodegradable, heat-resistant and rigid resin having a laminate structure including a glycolic acid polymer layer and another biodegradable resin layer, is formed by shaping under heating so that another biodegradable resin forms an outer and/or inner layer. The container is excellent in biodegradability, stiffness and heat resistance as well as excellent see-through of contents, and is suitable as a temporary preservation container for food, etc.
摘要翻译： 通过在加热下成形，形成具有包含乙醇酸聚合物层和另一生物降解性树脂层的叠层结构的可生物降解，耐热和刚性树脂的成形容器，从而形成外层和/或内层。 容器的生物降解性，刚度和耐热性优异，内容物透明性好，适用于食品等的临时保存容器。
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公开(公告)号：US20070057395A1
公开(公告)日：2007-03-15
申请号：US10557905
申请日：2004-05-26
申请人： Kazuyuki Yamane , Toshiya Mizuno , Yukichika Kawakami , Shiro Suzuki , Yoichiro Yamanobe , Toshio Hosokawa , Takumi Katsurao
发明人： Kazuyuki Yamane , Toshiya Mizuno , Yukichika Kawakami , Shiro Suzuki , Yoichiro Yamanobe , Toshio Hosokawa , Takumi Katsurao
CPC分类号： D01F6/92
摘要： A polyglycolic acid resin is used as a forming aid to efficiently produce various shapes, such as porous film, ultrafine fiber, ultrafine film and porous hollow fiber, of shaped products of substantially water-insoluble thermoplastic resins. More specifically, a shaped composite of the polyglycolic acid resin and the substantially water-insoluble thermoplastic resin is caused to contact an aqueous medium, thereby selectively removing the polyglycolic acid resin through solvolysis and extraction to leave a shaped product of the remaining thermoplastic resin. A glycolic acid aqueous produced by the solvolysis and extraction can be recycled into the polyglycolic acid resin as a forming aid via the formation of a concentrated glycolic acid oligomer and glycolide.
摘要翻译： 使用聚乙醇酸树脂作为成形助剂，以有效地形成基本上不溶于水的热塑性树脂的成形制品的多孔膜，超细纤维，超细薄膜和多孔中空纤维等各种形状。 更具体地说，使聚乙醇酸树脂和基本上不溶于水的热塑性树脂的成形复合物与水性介质接触，从而通过溶剂分解和萃取选择性除去聚乙醇酸树脂，留下剩余的热塑性树脂的成型产物。 通过溶剂分解和萃取生产的乙醇酸水溶液可以通过形成浓缩的乙醇酸低聚物和乙交酯作为形成助剂再循环到聚乙醇酸树脂中。
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公开(公告)号：US20080107847A1
公开(公告)日：2008-05-08
申请号：US11661925
申请日：2005-09-01
申请人： Kazuyuki Yamane , Yukichika Kawakami , Yuki Hokari
发明人： Kazuyuki Yamane , Yukichika Kawakami , Yuki Hokari
CPC分类号： B32B27/36 , B32B7/12 , B32B9/02 , B32B9/045 , B32B27/10 , B32B29/00 , B32B2307/7163 , B32B2439/02 , B32B2439/70 , Y10T428/1352 , Y10T428/31786 , Y10T428/3179 , Y10T428/31797 , Y10T428/31971 , Y10T428/31993
摘要： A polyglycolic acid resin-based multilayer sheet is formed by laminating a biological polymer substrate sheet and a polyglycolic acid resin with each other via an aqueous adhesive layer. The multilayer sheet is formed of biodegradable materials as a whole and allows recovery of paper, etc. alone, as desired, by preferential decomposition of the resin, thus being suitable as a packaging material stock for food container, etc.
摘要翻译： 通过水性粘合剂层将生物聚合物基材片和聚乙醇酸树脂层叠，形成聚乙醇酸树脂系多层片材。 多层片材由生物降解材料整体形成，并且可以根据需要通过树脂的优先分解单独回收纸等，因此适合作为食品容器等的包装材料原料。
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