公开(公告)号：US06864353B2

公开(公告)日：2005-03-08

申请号：US10336421

申请日：2003-01-03

申请人： Michiyuki Kono ,  Manabu Kikuta ,  Masahito Nishiura ,  Fumihide Tamura ,  Taketo Toba ,  Shigetaka Takamiya ,  Koichiro Saeki ,  Kazuo Takei ,  Toshiaki Kuriyama ,  Masashi Yukitake

发明人： Michiyuki Kono ,  Manabu Kikuta ,  Masahito Nishiura ,  Fumihide Tamura ,  Taketo Toba ,  Shigetaka Takamiya ,  Koichiro Saeki ,  Kazuo Takei ,  Toshiaki Kuriyama ,  Masashi Yukitake

IPC分类号： C08G65/14 ,  C08G65/26 ,  C08G65/34

CPC分类号： C08G65/14 ,  C08G65/2696

摘要： The present invention provides a production process, in which, when an ethylene oxide copolymer is obtained, conditions for obtaining this copolymer having a desirable molecular weight with ease and good reproducibility are provided. The production process for an ethylene oxide copolymer, according to the present invention, comprises the step of carrying out polymerization of a monomer mixture under stirring in a solvent, thereby obtaining the ethylene oxide copolymer, wherein the monomer mixture includes ethylene oxide and a substituted oxirane compound of a structural formula (1) as essential raw materials; with the production process being characterized in that the stirring is carried out by a stirring power of not less than 0.6 kW/m3.

摘要翻译： 本发明提供一种制备方法，其中当获得环氧乙烷共聚物时，提供了获得具有所需分子量并且具有良好重现性的共聚物的条件。 根据本发明的环氧乙烷共聚物的制备方法包括在溶剂中在搅拌下进行单体混合物聚合的步骤，从而得到环氧乙烷共聚物，其中单体混合物包括环氧乙烷和取代的环氧乙烷 结构式（1）的化合物作为必需的原料; 其制造方法的特征在于通过不低于0.6kW / m 3的搅拌功率进行搅拌。

公开(公告)号：US20050197485A1

公开(公告)日：2005-09-08

申请号：US11051168

申请日：2005-02-05

申请人： Koichiro Saeki ,  Kazuo Takei ,  Toshiaki Kuriyama ,  Masashi Yukitake ,  Taketo Toba ,  Makoto Mizushima ,  Michiyuki Kono ,  Manabu Kikuta ,  Masahito Nishiura

发明人： Koichiro Saeki ,  Kazuo Takei ,  Toshiaki Kuriyama ,  Masashi Yukitake ,  Taketo Toba ,  Makoto Mizushima ,  Michiyuki Kono ,  Manabu Kikuta ,  Masahito Nishiura

IPC分类号： C08G65/02 ,  C08G18/48 ,  C08G65/08 ,  C08G65/14 ,  C08G65/26 ,  C08G65/34

CPC分类号： C08G65/2696 ,  C08G18/4837 ,  C08G65/08

摘要： An object of the present invention is to provide a process which can produce, easily and with good productivity and reproducibility, an ethylene oxide copolymer provided with desired compositional ratios of monomers and a desired molecular weight and further with a desired melting point. As a means of achieving this object, a process according to the present invention for production of an ethylene oxide copolymer is a process comprising a step of polymerizing a monomer mixture including ethylene oxide as a main component, thereby producing the ethylene oxide copolymer, with the process being characterized in that the polymerization step includes at least one step each of the following steps: a step in which only the ethylene oxide is supplied to thus polymerize it; and a step in which the ethylene oxide and another monomer are supplied to thus polymerize them.

摘要翻译： 本发明的一个目的是提供一种可以制备具有期望组成比的单体和所需分子量并进一步具有所需熔点的环氧乙烷共聚物，能够容易地且具有良好的生产率和再现性的方法。 作为实现该目的的手段，根据本发明的环氧乙烷共聚物的制造方法是包括使包含环氧乙烷作为主要成分的单体混合物聚合的步骤，从而制备环氧乙烷共聚物， 方法的特征在于聚合步骤包括以下步骤中的至少一个步骤：仅供给环氧乙烷以使其聚合的步骤; 并且提供环氧乙烷和其它单体从而聚合它们的步骤。

公开(公告)号：US5747602A

公开(公告)日：1998-05-05

申请号：US777064

申请日：1996-12-30

申请人： Takashi Namba ,  Hiroya Kobayashi ,  Kenji Minami ,  Hiroshi Itoh ,  Toshiaki Kuriyama ,  Masashi Yukitake

发明人： Takashi Namba ,  Hiroya Kobayashi ,  Kenji Minami ,  Hiroshi Itoh ,  Toshiaki Kuriyama ,  Masashi Yukitake

IPC分类号： C08G4/00 ,  C08G65/12 ,  C08G65/16 ,  C08G65/26 ,  C08G65/30 ,  C09D171/00 ,  C08G2/06 ,  C08G2/12 ,  C08L59/04

CPC分类号： C08G65/2666 ,  C08G4/00 ,  C08G65/12 ,  C08G65/16 ,  C08G65/30 ,  C09D171/00

摘要： A process for producing a high-molecular-weight polydioxolane, which includes the steps of: polymerizing 1,3-dioxolane using a polymerization catalyst comprising a heteropolyacid and a ketone; and neutralizing the resulting polymerization reaction product using an organic amine and/or ammonia. A hydrophilic film, which includes a resin including a polydioxolane and having a particular molecular weight and has a particular crystallinity and a particular spherulite's size. A film crumbly in cold water is produced by forming a film under particular forming conditions from a resin including a polydioxolane and having a particular molecular weight, or by subjecting an already formed film to particular thermal hysteresis.

摘要翻译： 一种制备高分子量聚二氧戊环的方法，其包括以下步骤：使用包含杂多酸和酮的聚合催化剂聚合1,3-二氧戊环; 并使用有机胺和/或氨中和所得的聚合反应产物。 一种亲水膜，其包括包含聚二氧戊环并具有特定分子量并具有特定结晶度和特定球晶尺寸的树脂。 通过在特定形成条件下由包含聚二氧杂环戊烷并具有特定分子量的树脂形成薄膜，或通过使已经形成的薄膜经受特定的热滞后而产生薄膜中的冷水。

公开(公告)号：US5391700A

公开(公告)日：1995-02-21

申请号：US233649

申请日：1994-04-26

申请人： Hiroshi Itoh ,  Takashi Namba ,  Hiroya Kobayashi ,  Masashi Yukitake

发明人： Hiroshi Itoh ,  Takashi Namba ,  Hiroya Kobayashi ,  Masashi Yukitake

IPC分类号： C08G63/42

CPC分类号： C08G63/42

摘要： This invention provides a process for producing with industrially good efficiency a polyester having a high melting point and biodegradability. In this process, ring-opening copolymerization of a cyclic acid anhydride containing succinic anhydride as a main component with a cyclic ether containing ethylene oxide as a main component is carried out in the presence of a catalyst by introducing successively the cyclic ether into a reaction vessel containing the cyclic acid anhydride in a melting state or solution state. The rate per hour of introducing the cyclic ether is within the range of 3 to 90 parts by weight per 100 parts by weight of the cyclic acid anhydride, and the reaction vessel has an inside pressure within the range of atmospheric pressure to 50 kgf/cm.sup.2 as a gauge pressure.

摘要翻译： 本发明提供了具有高效率的具有高熔点和生物降解性的聚酯的工业生产方法。 在该方法中，以含有环氧乙烷为主要成分的环状醚作为主要成分的环状酸酐以环氧乙烷为主要成分的开环共聚在催化剂的存在下进行，连续将环状醚引入反应容器 含有处于熔融状态或溶液状态的环状酸酐。 环状醚的引入速度为每100重量份环状酸酐为3〜90重量份，反应容器的内部压力为大气压至50kgf / cm2 作为表压。