Process for the recovery of fluoromonomers
    2.
    发明授权
    Process for the recovery of fluoromonomers 有权
    回收氟单体的方法

    公开(公告)号:US08344192B2

    公开(公告)日:2013-01-01

    申请号:US12514961

    申请日:2007-12-07

    摘要: The invention provides a technique enabling the separation and recovery of an unreacted fluoromonomer from an aqueous fluoropolymer dispersion obtained by emulsion polymerization, without using any extraction solvent, and enabling the prevention of a hydrolysis of —SO2F and a like sulfonic acid precursor functional group convertible to sulfonic acid group. Thus, the invention provides a recovering method fluoromonomer having a sulfonic acid precursor functional group convertible to a sulfonic acid group and remaining unreacted from an aqueous fluoropolymer dispersion obtained by emulsion polymerization of the fluoromonomer, wherein the unreacted fluoromonomer is recovered from the aqueous fluoropolymer dispersion by evaporation, wherein the aqueous fluoropolymer dispersion has an acidic pH.

    摘要翻译: 本发明提供一种能够通过乳液聚合得到的含氟聚合物水分散体分离和回收未反应的含氟单体的技术,而不使用任何提取溶剂,并且能够防止-SO2F等可转化为 磺酸基。 因此,本发明提供了一种具有磺酸前体官能团可转化成磺酸基团的还原方法的含氟单体,并且通过所述含氟单体的乳液聚合得到的含氟聚合物水分散体残留未反应,其中从含氟聚合物水分散体中回收未反应的含氟单体, 蒸发,其中含氟聚合物水分散体具有酸性pH。

    Block copolymer and application thereof
    3.
    发明授权
    Block copolymer and application thereof 失效
    嵌段共聚物及其应用

    公开(公告)号:US07910686B2

    公开(公告)日:2011-03-22

    申请号:US10531265

    申请日:2003-10-14

    IPC分类号: C08G73/24

    摘要: The present invention relates to a block copolymer having at least one block having an acid group and at least one block having substantially no acid group, wherein one end group of a repeating unit in at least one block of all blocks is oxygen and/or sulfur, and at least one repeating unit of a block having substantially no acid group contains a halogen atom. The block copolymer of the present invention gives a polymer electrolyte membrane which is excellent not only in heat resistance and proton conductivity but also in water resistance and chemical stability, and is useful as an electrolyte for a proton conducting membrane etc. of a fuel cell.

    摘要翻译: 本发明涉及具有至少一个具有酸基的嵌段和至少一个基本上没有酸基的嵌段的嵌段共聚物,其中所有嵌段的至少一个嵌段中的重复单元的一个端基是氧和/或硫 ,并且基本上不含酸基的嵌段的至少一个重复单元含有卤素原子。 本发明的嵌段共聚物得到不仅在耐热性和质子传导性以及耐水性和化学稳定性方面优异的高分子电解质膜,而且可用作燃料电池的质子传导膜等的电解质。

    Method for producing fluorine-containing (meth)acrylate polymer and polymer produced by such method
    4.
    发明授权
    Method for producing fluorine-containing (meth)acrylate polymer and polymer produced by such method 有权
    制备含氟(甲基)丙烯酸酯聚合物和通过这种方法制备的聚合物的方法

    公开(公告)号:US07847056B2

    公开(公告)日:2010-12-07

    申请号:US10594977

    申请日:2005-03-25

    IPC分类号: C08G63/50 C08G73/24 C08F6/06

    CPC分类号: C08F8/18 C08F8/14 C08F20/12

    摘要: An object of the invention is to provide a fluorine-containing (meth)acrylate polymer readily at a low cost without using any special polymerization facilities. Thus, the invention provides a fluorine-containing (meth)acrylate polymer obtained by reacting a (meth)acrylate polymer with an alcohol containing a fluorine atom represented by General Formula 1: Rf(CH2)nOH  (1) wherein Rf is a fluoroalkyl group or a fluoroalkyl ether group of 1 to 15 carbon atoms containing at least one or more fluorine atoms and n is an integer of 0 to 10 as well as a method for producing the same.

    摘要翻译: 本发明的目的是在不使用任何特殊聚合设备的情况下以低成本容易地提供含氟(甲基)丙烯酸酯聚合物。 因此,本发明提供通过使(甲基)丙烯酸酯聚合物与通式1表示的含氟原子的醇反应得到的含氟(甲基)丙烯酸酯聚合物:Rf(CH2)nOH(1)其中Rf为氟烷基 或含有至少一个以上氟原子的1〜15个碳原子的氟烷基醚基,以及n为0〜10的整数,以及其制造方法。

    METHOD FOR PRODUCING A COPOLYMER FOR PHOTORESIST
    5.
    发明申请
    METHOD FOR PRODUCING A COPOLYMER FOR PHOTORESIST 有权
    用于生产光电聚合物的共聚物的方法

    公开(公告)号:US20100222526A1

    公开(公告)日:2010-09-02

    申请号:US12702356

    申请日:2010-02-09

    CPC分类号: C08F2/06 C08F2/00 C08F220/28

    摘要: The present invention provides a method for production of a copolymer for photoresists in which the bias of the monomer composition ration is small. This method for production is a method for production of a copolymer for photoresists, which copolymer containing at least two types of repeating units, the method having a supplying step of supplying a monomer solution and a solution containing a polymerization initiator into a polymerization reaction system, wherein the range of fluctuation of the monomer composition ratio of unreacted monomers is within the range between minus 15% and plus 15% or the standard deviation of the monomer composition ratio of unreacted monomers is within 2 in the polymerization reaction system during the period from the start of the polymerization reaction to the end of supplying of the monomer solution.

    摘要翻译: 本发明提供一种制备光聚合物共聚物的方法,其中单体组成比例的偏差小。 该制造方法是制造光致抗蚀剂共聚物的方法,该共聚物含有至少两种重复单元,该方法具有将单体溶液和含有聚合引发剂的溶液供给到聚合反应体系中的供给工序, 其中未反应单体的单体组成比的波动范围在-15%和15%之间的范围内,或者在聚合反应体系中未反应单体的单体组成比的标准偏差在2以内的范围内 开始聚合反应直到单体溶液的供应结束。

    PROCESS FOR PRODUCING FLUOROPOLYMER PARTICLES
    6.
    发明申请
    PROCESS FOR PRODUCING FLUOROPOLYMER PARTICLES 有权
    生产氟聚合物颗粒的方法

    公开(公告)号:US20100160598A1

    公开(公告)日:2010-06-24

    申请号:US12644306

    申请日:2009-12-22

    IPC分类号: C08G75/00 C08G73/24

    摘要: To provide a process for producing fluoropolymer particles, whereby formation of fine particles is suppressed.A process for producing fluoropolymer particles, which comprises (i) a step of preparing a solution or dispersion of a fluoropolymer (A) having the fluoropolymer (A) dissolved or dispersed in a solvent (B), wherein the solvent (B) contains a good solvent (B2) whereby the degree of swelling of the fluoropolymer (A) exceeds 50%, and the degree of swelling of the fluoropolymer (A) by the solvent (B) is from 50 to 1,200%; and (ii) a step of mixing the solution or dispersion of a fluoropolymer (A) with a solvent (C) to flocculate the fluoropolymer (A) thereby to form particles of the fluoropolymer (A), wherein the solvent (C) contains a poor solvent (C1) whereby the degree of swelling of the fluoropolymer (A) is at most 50%, the degree of swelling of the fluoropolymer (A) by a mixed solvent (BC) of the solvents (B) and (C) is from 0 to 100%, the ratio (WC/WB) of the mass (WC) of the solvent (C) to the mass (WB) of the solvent (B) is from 1 to 5, and the ratio (SBC/SB) of the degree of swelling (SBC) of the fluoropolymer (A) by the mixed solvent (BC) to the degree of swelling (SB) of the fluoropolymer (A) by the solvent (B) is at most 0.5.

    摘要翻译: 提供一种生产含氟聚合物颗粒的方法,从而抑制细颗粒的形成。 一种制备含氟聚合物颗粒的方法,其包括(i)制备溶解或分散在溶剂(B)中的含氟聚合物(A)的含氟聚合物(A)的溶液或分散体的步骤,其中溶剂(B)含有 良溶剂(B2),含氟聚合物(A)的溶胀度超过50%,溶剂(B)的含氟聚合物(A)的溶胀度为50〜1200% 和(ii)将含氟聚合物(A)的溶液或分散体与溶剂(C)混合以使含氟聚合物(A)絮凝从而形成含氟聚合物(A)的颗粒的步骤,其中溶剂(C)含有 不良溶剂(C1),含氟聚合物(A)的溶胀度为50%以下,溶剂(B)和(C)的混合溶剂(BC)的含氟聚合物(A)的溶胀度为 0〜100%时,溶剂(C)的质量(WC)与溶剂(B)的质量(WB)的比(WC / WB)为1〜5,比例(SBC / SB )混合溶剂(BC)的含氟聚合物(A)的溶胀度(SBC)与溶剂(B)的含氟聚合物(A)的溶胀度(SB)之比为0.5以下。

    Process for preparing peroxidic perfluoropolyethers
    10.
    发明申请
    Process for preparing peroxidic perfluoropolyethers 有权
    制备过氧化全氟聚醚的方法

    公开(公告)号:US20060205921A1

    公开(公告)日:2006-09-14

    申请号:US11366598

    申请日:2006-03-03

    IPC分类号: C08G73/24

    CPC分类号: C08G65/007

    摘要: A process for preparing peroxidic perfluoropolyethers having a perioxidic content (PO) lower than or equal to 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)m1(CF2OO)n1CF2—B  (I) Wherein A, B equal to or different from each other are —C1, —F, —F2CC1, —COF, —OCOF, —CF3, m, m1, n, n1 are integers such that the (m+m1)/(n+n1) ratio is between 0.6 and 1.3 and the m/n ration is between 0.5 and 1.2; the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (hepta-fluoropropane) and a solvent selected between HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).

    摘要翻译: 一种制备过氧化全氟聚醚的方法,该过氧化全氟聚醚具有低于或等于式(β)的1.2的线型式描述=“在线公式”中的最大值=“铅”→A-CF2 (CF 2 O 2)O(CF 2 O 2)O(CF 2 O 2)n(CF 2 O 2)n (CF 2 O 2)m1(CF 2 O 2)n1(CF 2 O 2)n1 其中A,B等于或不同于每一个,其中A,B等于或不同于每个 其它是-C1,-F,-F2C1,-COF,-OCOF,-CF3,m,m1,n,n1是整数,使得( m + m1)/(n + n1)的比例在0.6和1.3之间,m / n比在0.5和1.2之间; 在UV光的存在下,在-80℃至-40℃的温度下,在溶剂混合物存在下,数均分子量在35,000-45,000范围内,通过四氟乙烯(TFE)光氧化 由HFC-227(七氟丙烷)和选自HFC-125(五氟乙烷)和FC-218(全氟丙烷)之间的溶剂形成。