-
公开(公告)号：US20050043498A1
公开(公告)日：2005-02-24
申请号：US10495225
申请日：2002-11-01
申请人： Mitsuo Tsukamoto , Kenji Otoi , Hideki Nakaya , Yoshiyuki Hiraga , Tomohisa Noda
发明人： Mitsuo Tsukamoto , Kenji Otoi , Hideki Nakaya , Yoshiyuki Hiraga , Tomohisa Noda
CPC分类号： C08F14/18 , Y02P20/544
摘要： The present invention has for its object to provide a method of producing fluoropolymers with high productivity under comparatively low temperature and low pressure conditions which are conducive to reduced cost of commercial-scale production equipment. The present invention is directed to a method of producing a fluoropolymer which comprises polymerizing a radical polymerizable monomer in a defined reaction-field, said radical polymerizable monomer comprising a fluorine-containing ethylenic monomer and said defined reaction-field being in supercriticality-expression state with a monomer density [ρm]−monomer critical density [ρ0] ratio of [ρm/ρ0] not less than 1.1.
摘要翻译： 本发明的目的是提供一种在相对较低的温度和低压条件下以高生产率生产含氟聚合物的方法，这有利于降低商业规模生产设备的成本。 本发明涉及含氟聚合物的制造方法，该方法包括在规定的反应场中聚合自由基聚合性单体，所述自由基聚合性单体含有含氟乙烯性单体，所述规定的反应场为超临界表达状态， [rhom / rho0]的单体密度[rhom] - 单体临界密度[rho0]比不小于1.1。
-
公开(公告)号：US07173098B2
公开(公告)日：2007-02-06
申请号：US10495225
申请日：2002-11-01
申请人： Mitsuo Tsukamoto , Kenji Otoi , Hideki Nakaya , Yoshiyuki Hiraga , Tomohisa Noda
发明人： Mitsuo Tsukamoto , Kenji Otoi , Hideki Nakaya , Yoshiyuki Hiraga , Tomohisa Noda
IPC分类号： C08F4/28
CPC分类号： C08F14/18 , Y02P20/544
摘要： The present invention has for its object to provide a method of producing fluoropolymers with high productivity under comparatively low temperature and low pressure conditions which are conducive to reduced cost of commercial-scale production equipment. The present invention is directed to a method of producing a fluoropolymer which comprises polymerizing a radical polymerizable monomer in a defined reaction-field, said radical polymerizable monomer comprising a fluorine-containing ethylenic monomer and said defined reaction-field being in supercriticality-expression state with a monomer density [ρm]-monomer critical density [ρ0] ratio of [ρm/ρ0] not less than 1.1.
摘要翻译： 本发明的目的是提供一种在相对较低的温度和低压条件下以高生产率生产含氟聚合物的方法，这有利于降低商业规模生产设备的成本。 本发明涉及含氟聚合物的制造方法，该方法包括在规定的反应场中聚合自由基聚合性单体，所述自由基聚合性单体含有含氟乙烯性单体，所述规定的反应场为超临界表达状态， 单体密度[rhom] m - 单体密度[rhom] /单体密度[r / m] >]不小于1.1。
-
3.发明授权Method for purifying material to be treated and method for producing coagulated material 失效净化待处理材料的方法和凝固材料的制造方法公开(公告)号：US07498402B2
公开(公告)日：2009-03-03
申请号：US10562731
申请日：2004-07-05
申请人： Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
发明人： Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
摘要： A method of purifying a treatment target substance containing a fluorine-containing surfactant which includes removing at least part of the fluorine-containing surfactant from the treatment target substance by contacting the treatment target substance with a gas containing carbon dioxide. The fluorine-containing surfactant is an ether oxygen-free anionic compound represented by one of general formulae (1) and (2) as defined herein.
摘要翻译： 一种纯化含有含氟表面活性剂的处理对象物质的方法，其包括通过使处理对象物质与含有二氧化碳的气体接触，从处理对象物质中除去至少一部分含氟表面活性剂。 含氟表面活性剂是由如本文所定义的通式（1）和（2）之一表示的无醚无氧阴离子化合物。
-
公开(公告)号：US20060122347A1
公开(公告)日：2006-06-08
申请号：US10525847
申请日：2003-08-28
IPC分类号： C08F4/28
CPC分类号： C08F14/18 , B01J3/008 , Y02P20/544
摘要： A fluoropolymer producing method which comprises polymerizing a radical polymerizable monomer in a manner of continuous polymerization to give the fluoropolymer, wherein the defined reaction-field is in a supercriticality-expression state and under a pressure of not higher than 40 MPa and a temperature of not higher than that higher by 100° C. than the supercriticality-expression temperature of the defined reaction-field, said radical polymerizable monomer comprises a fluorine-containing ethylenic monomer, and said fluoropolymer has a weight average molecular weight [Mw] of not lower than 150, 000 as determined on the polystyrene equivalent basis and a ratio [Mw/Mn] of the weight average molecular weight [Mw] on the polystyrene equivalent basis to a number average molecular weight [Mn] of the fluoropolymer on the polystyrene equivalent basis is higher than 1 but not higher than 3.
摘要翻译： 一种含氟聚合物的制造方法，其特征在于，以连续聚合的方式聚合自由基聚合性单体，得到含氟聚合物，其中，规定的反应场处于超临界状态，压力不高于40MPa，温度不高 高于比所定义的反应场的超临界表达温度高100℃，所述可自由基聚合的单体包含含氟乙烯性单体，并且所述含氟聚合物的重均分子量[Mw]不低于 以聚苯乙烯当量为基准测定的聚苯乙烯换算的基于聚苯乙烯换算的重均分子量[Mw]与聚苯乙烯换算的含氟聚合物的数均分子量[Mn]的比[Mw / Mn] 高于1但不高于3。
-
5.发明申请Method for purifying material to be treated and method for producing coagulated material 失效净化待处理材料的方法和凝结材料的制造方法公开(公告)号：US20060151391A1
公开(公告)日：2006-07-13
申请号：US10562731
申请日：2004-07-05
申请人： Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
发明人： Hideki Nakaya , Tadahiro Yabu , Mitsuo Tsukamoto , Kenji Otoi , Yoshiyuki Hiraga , Yuji Imahori
IPC分类号： B01D11/00
摘要： The present invention provides a method of removing fluorine-containing surfactants from treatment target substances containing fluorine-containing surfactants and a method of producing aggregates comprising polymer from aqueous dispersions thereof. The present invention is a method of purifying a treatment target substance comprising carrying out a removing treatment of a fluorine-containing surfactant by bringing the treatment target substance containing the fluorine-containing surfactant into contact with a substance [A], wherein the substance [A] is a gas under standard conditions (105 Pa, 0° C.).
摘要翻译： 本发明提供从含氟表面活性剂的处理对象物质中除去含氟表面活性剂的方法，以及由其水分散体制备包含聚合物的聚集体的方法。 本发明是一种处理对象物质的净化方法，其特征在于，含有含氟表面活性剂的处理对象物质与物质[A]接触进行含氟表面活性剂的除去处理，其中物质[A ]是标准条件下的气体（10℃，0℃）。
-
公开(公告)号：US07807859B2
公开(公告)日：2010-10-05
申请号：US12120796
申请日：2008-05-15
申请人： Mai Taguchi , Kenji Otoi , Yoshiyuki Takase , Hideya Saitou , Yoshiyuki Hiraga
发明人： Mai Taguchi , Kenji Otoi , Yoshiyuki Takase , Hideya Saitou , Yoshiyuki Hiraga
IPC分类号： C07C17/38
CPC分类号： C07C17/386 , C07C17/42 , C07C21/185
摘要： The present invention provides a polymerization inhibitor preventing the self-polymerization of TFE and the generation of a modified polymer of a polymerization inhibitor in a distillation step, particularly in a rectification step, of TFE. The present invention provides a method of distilling tetrafluoroethylene in the presence of a polymerization inhibitor comprising a cyclohexadiene compound of the formula: R1-A-R2 wherein R1 is a hydrocarbon group having 1 to 5 carbon atoms, R2 is a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and A is a cyclohexadiene ring. The cyclohexadiene compound is preferably α-terpinene or γ-terpinene.
摘要翻译： 本发明提供了在TFE的蒸馏步骤，特别是精馏步骤中，阻止TFE的自聚合和阻聚剂的改性聚合物的产生的聚合抑制剂。 本发明提供一种在包含下式的环己二烯化合物的聚合抑制剂存在下蒸馏四氟乙烯的方法：R1-A-R2其中R1是具有1-5个碳原子的烃基，R2是氢原子或烃 具有1至5个碳原子的基团，A是环己二烯环。 环己二烯化合物优选为α-萜品烯或γ-萜品烯。
-
公开(公告)号：US20080287715A1
公开(公告)日：2008-11-20
申请号：US12120796
申请日：2008-05-15
申请人： Mai Taguchi , Kenji Otoi , Yoshiyuki Takase , Hideya Saitou , Yoshiyuki Hiraga
发明人： Mai Taguchi , Kenji Otoi , Yoshiyuki Takase , Hideya Saitou , Yoshiyuki Hiraga
IPC分类号： C07C17/386 , C07C15/02
CPC分类号： C07C17/386 , C07C17/42 , C07C21/185
摘要： The present invention provides a polymerization inhibitor preventing the self-polymerization of TFE and the generation of a modified polymer of a polymerization inhibitor in a distillation step, particularly in a rectification step, of TFE. The present invention provides a method of distilling tetrafluoroethylene in the presence of a polymerization inhibitor comprising a cyclohexadiene compound of the formula: R1-A-R2 wherein R1 is a hydrocarbon group having 1 to 5 carbon atoms, R2 is a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and A is a cyclohexadiene ring. The cyclohexadiene compound is preferably α-terpinene or γ-terpinene.
摘要翻译： 本发明提供了在TFE的蒸馏步骤，特别是精馏步骤中，阻止TFE的自聚合和阻聚剂的改性聚合物的产生的聚合抑制剂。 本发明提供一种在包含下式的环己二烯化合物的聚合抑制剂存在下蒸馏四氟乙烯的方法：<？in-line-formula description =“In-line formula”end =“lead”→> 1 -AR 在线公式描述=“在线公式”end =“tail”？>其中R 1是烃 具有1至5个碳原子的基团，R 2是氢原子或具有1至5个碳原子的烃基，A是环己二烯环。 环己二烯化合物优选为α-萜品烯或γ-萜品烯。
-
公开(公告)号：US06794487B2
公开(公告)日：2004-09-21
申请号：US10417158
申请日：2003-04-17
IPC分类号： C08F626
CPC分类号： B29B7/002 , B29K2027/12 , C08F8/00 , C08F2800/20 , C08F2810/40 , Y02P70/26 , C08F214/26
摘要： A melt-processable fluorine-containing polymer is melt kneaded with a kneader which has a residence time of at least 10 minutes, a usable volume ratio (usable space in a container/space in a container) of larger than 0.3, and a power factor K of less than 8000, the power factor K being represented by the formula: K=Pv/&mgr;/n2 in which Pv is a power requirement per unit volume (W/m3), &mgr; is a melt viscosity (Pa.s), and n is a rotation speed (rps), to effectively remove terminal groups and bonds in the backbones, which are unstable during melt kneading, from the melt-processable fluorine-containing polymer, and obtain a colorless fluorine-containing polymer.
摘要翻译： 可熔融加工的含氟聚合物与停留时间为至少10分钟，可用体积比（容器中容器中的可用空间/容器中的空间）大于0.3的捏合机和功率因数 K小于8000，功率因数K由以下公式表示：K = Pv / mu / n <2>其中Pv是每单位体积的功率要求（W / m 3），μ是熔体粘度 （Pa.s），n为转速（rps），从熔融混炼时有效地除去在熔融混炼过程中不稳定的骨架中的端基和键合，得到无色的含氟聚合物， 含聚合物。
-
公开(公告)号：US06451962B1
公开(公告)日：2002-09-17
申请号：US09830969
申请日：2001-05-03
IPC分类号： C08F600
CPC分类号： C08J3/00 , C08F8/00 , C08F2800/10 , C08J2327/12 , C08F214/26
摘要： To provide the stabilization method, in which unstable groups of melt-processable fluorine-containing polymer having unstable groups can be stabilized rapidly and effectively, and even if the obtained stabilized polymer is melt-molded, an obtained molded article is free from bubbles and cavity and no coloration arises. The method of stabilizing a fluorine-containing polymer by melt-kneading a melt-processable fluorine-containing polymer having unstable groups in a kneader having a stabilization treatment zone which satisfies the following conditions: (1) an oxygen-containing gas is present in the stabilization treatment zone, (2) water is present in the stabilization treatment zone, and (3) an absolute pressure in the stabilization treatment zone is adjusted to a pressure of 0.2 MPa or more or (a) an oxygen-containing gas is present in the stabilization treatment zone in a sufficient amount that the fluorine-containing polymer after the stabilization treatment has the number of carbon radical spins measured by an electron spin resonance absorption analysis at a temperature of 77 K of not more than 5×1013 spin/g, and (b) water is present in the stabilization treatment zone.
摘要翻译： 为了提供稳定化方法，其中不稳定基团的可熔融加工的含氟聚合物的不稳定基团可以快速有效地稳定，并且即使所获得的稳定的聚合物被熔融模塑，所得到的模塑制品没有气泡和空腔 没有着色。 通过在具有稳定化处理区域的捏合机中熔融捏合具有不稳定基团的可熔融加工的含氟聚合物来稳定含氟聚合物的方法，所述捏合机满足以下条件：（1）含氧气体存在于 稳定化处理区域，（2）稳定化处理区域中存在水，（3）将稳定化处理区域的绝对压力调整为0.2MPa以上的压力或（a）含氧气体存在于 稳定化处理区域的稳定化处理区域，其中稳定化处理后的含氟聚合物在77K温度下通过电子自旋共振吸收分析测得的碳自由基数不大于5×1013 spin / g，（ b）稳定化处理区域中存在水。
-
公开(公告)号：US06268469B1
公开(公告)日：2001-07-31
申请号：US09292855
申请日：1999-04-16
IPC分类号： C08F622
摘要： Coagulated particles having a low water content are separated and recovered from an emulsified dispersion of fluorine-containing polymer particles. A solid-liquid separation method comprising: a step for adding a coagulant in an emulsified dispersion of fluorine-containing polymer particles to coagulate the fluorine-containing polymer particles with stirring and obtain a slurry of coagulated particles, a step for filtrating the slurry, and a step for pressing the obtained cake. It is preferable to continuously carry out the filtration step and pressing step with a filter press or a belt press. Also a washing step may be provided after the filtration step.
摘要翻译： 从含氟聚合物颗粒的乳化分散体中分离并回收具有低含水量的凝聚颗粒。 一种固液分离方法，其特征在于，包括：在含氟聚合物粒子的乳化分散液中添加凝结剂的工序，在搅拌下使含氟聚合物粒子凝结，得到凝固粒子的浆料，过滤浆料的工序， 按压所得到的饼的步骤。 优选通过压滤机或带式压榨机连续地进行过滤步骤和压制步骤。 也可以在过滤步骤之后提供洗涤步骤。
-
-
-
-
-
-
-
-
-
搜索结果
21 条记录 (耗时 0.029 秒)
