COPOLYETHER GLYCOL MANUFACTURING PROCESS
    1.
    发明申请
    COPOLYETHER GLYCOL MANUFACTURING PROCESS 审中-公开
    共聚糖制造工艺

    公开(公告)号:WO2010120291A1

    公开(公告)日:2010-10-21

    申请号:PCT/US2009/040647

    申请日:2009-04-15

    CPC classification number: C08G65/20 C08G65/2609 C08G65/2696

    Abstract: The present invention relates to a continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst, at least one compound containing reactive hydrogen atoms, and a specific diluent or solvent. More particularly, the invention relates to a diluent or solvent-assisted continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide.

    Abstract translation: 本发明涉及在酸催化剂,至少一种含有反应性氢原子的化合物和特定的稀释剂存在下,通过四氢呋喃和至少一种烯化氧的聚合,高度引入烯化氧的共聚醚二醇制造方法, 溶剂。 更具体地,本发明涉及用于制备具有高结合环氧烷的共聚醚二醇的稀释剂或溶剂辅助连续方法。

    IMPROVED ALKANOLYSIS PROCESS AND METHOD FOR SEPARATING CATALYST FROM PRODUCT MIXTURE AND APPARATUS THEREFOR
    2.
    发明申请
    IMPROVED ALKANOLYSIS PROCESS AND METHOD FOR SEPARATING CATALYST FROM PRODUCT MIXTURE AND APPARATUS THEREFOR 审中-公开
    用于分离产物混合物中的催化剂的改进的碱溶解方法和方法及其装置

    公开(公告)号:WO2013191987A1

    公开(公告)日:2013-12-27

    申请号:PCT/US2013/045412

    申请日:2013-06-12

    Abstract: The present invention provides an improved process and apparatus for alkanolysis of polytetramethylene ether diacetate to polytetraalkylene ether glycol in the presence of a C1 to C4 alkanol and an alkali or alkaline earth metal catalyst wherein the catalyst component of the product mixture comprising polytetraalkylene ether glycol, alkanol and catalyst, essentially free of the alkanol acetate by-product, e.g., methyl acetate is removed by contacting the mixture in the absence of added water with certain ion exchange resin at specified contact conditions. The invention further provides a highly efficient method for removing the catalyst component of a mixture comprising polytetraalkylene ether glycol, alkanol and alkali or alkaline earth metal catalyst by contacting the mixture in the absence of added water with certain ion exchange resin at specified contact conditions,

    Abstract translation: 本发明提供了在C1至C4链烷醇和碱金属或碱土金属催化剂存在下将聚四亚甲基醚二乙酸酯分解成聚四亚乙基醚二醇的改进方法和装置,其中产物混合物的催化剂组分包含聚四亚乙基醚二醇,链烷醇 和催化剂,基本上不含链烷醇乙酸酯副产物,例如,在特定接触条件下,通过在不加入水的情况下将某些离子交换树脂与混合物接触来除去乙酸甲酯。 本发明还提供了一种用于通过在不存在加入水的情况下将混合物与特定的离子交换树脂在特定的接触条件下接触来除去包含聚四亚烷基醚二醇,链烷醇和碱金属或碱土金属催化剂的混合物的催化剂组分的高效方法,

    IMPROVED METHOD FOR PREVENTING PRESSURE BUILD UP IN A CATALYST SEPARATION SYSTEM
    3.
    发明申请
    IMPROVED METHOD FOR PREVENTING PRESSURE BUILD UP IN A CATALYST SEPARATION SYSTEM 审中-公开
    用于防止在催化分离系统中建立压力的改进方法

    公开(公告)号:WO2013006287A1

    公开(公告)日:2013-01-10

    申请号:PCT/US2012/043737

    申请日:2012-06-22

    CPC classification number: C08G65/2696 Y02P20/584

    Abstract: A method for preventing pressure build-up across a catalyst separation in a polyether polyol reactor comprising the steps of feeding reactants that comprise a monomer or co-monomers to be polymerized to form the polyether polyol into a continuous feed reactor, flowing the product stream through a catalyst separation system within the reactor, wherein the catalyst separation system is comprised of a plurality of filters, wherein each filter comprises an outer surface and an inner surface defined by a plurality of spaced-apart elements, and wherein the distance between the spaced-apart elements is smaller than the minor dimension of the suspended catalyst and recovering the filtered polyether polyol product and catalyst fines from the reactor outlet.

    Abstract translation: 一种用于防止在聚醚多元醇反应器中催化剂分离的压力累积的方法,包括以下步骤:将包含待聚合的单体或共聚单体的反应物进料到连续进料反应器中,使产物流通过 反应器内的催化剂分离系统,其中催化剂分离系统由多个过滤器组成,其中每个过滤器包括由多个间隔开的元件限定的外表面和内表面,并且其中, 分离的元素小于悬浮催化剂的次要尺寸,并从反应器出口回收过滤的聚醚多元醇产物和催化剂细粒。

    IMPROVED POLYETHER GLYCOL MANUFACTURING PROCESS
    4.
    发明申请
    IMPROVED POLYETHER GLYCOL MANUFACTURING PROCESS 审中-公开
    改进的聚乙二醇制造工艺

    公开(公告)号:WO2011025704A1

    公开(公告)日:2011-03-03

    申请号:PCT/US2010/045961

    申请日:2010-08-19

    Inventor: SUN, Qun

    CPC classification number: C08G65/20

    Abstract: The present invention relates to an improved process for manufacturing polyether and copolyether glycols by polymerization of a reaction mixture comprising at least one tetrahydrofuran or at least one tetrahydrofuran and at least one other cyclic ether, for example, an alkylene oxide, in the presence of a particular perfluorosulfonic acid resin catalyst comprising a copolymer of tetrafluoroethylene (TFE) or chlorotrifluoroethylene (CTFE) and a monomer of the formula CF 2 = CF - O - CF 2 - CF 2 - SO 2 F.

    Abstract translation: 本发明涉及通过在包含至少一种四氢呋喃或至少一种四氢呋喃和至少一种其它环醚例如烯化氧的反应混合物的存在下聚合来制备聚醚和共聚醚二醇的改进方法 包括四氟乙烯(TFE)或氯三氟乙烯(CTFE)的共聚物和式CF2 = CF-O-CF2-CF2-SO2F的单体的特定的全氟磺酸树脂催化剂。

    IMPROVING MISCIBILITY OF OTHERWISE IMMISCIBLE COMPOUNDS
    5.
    发明申请
    IMPROVING MISCIBILITY OF OTHERWISE IMMISCIBLE COMPOUNDS 审中-公开
    改善其他可疑化合物的相容性

    公开(公告)号:WO2010120288A1

    公开(公告)日:2010-10-21

    申请号:PCT/US2009/040634

    申请日:2009-04-15

    CPC classification number: C08G65/20 C08G65/30 C08L71/02 C08L2666/22

    Abstract: The present invention relates to a novel method for compatibilizing, i.e. improving miscibility of, otherwise immiscible organic materials highly useful in the fibers industry, as well as the compatibilized product of the method. These compatibilized products are stable in the liquid phase at temperatures ranging from about 40°C to about 200°C. The method involves use of a glycol derived from polymerization of alkylene oxide and tetrahydrofuran, the alkylene oxide having from 2 to 4 carbon atoms, i.e. poly(tetramethylene-co-alkyleneether) glycol, in the mixture.

    Abstract translation: 本发明涉及一种新型的相容方法,即改进在纤维工业中非常有用的另外不混溶的有机材料的混溶性,以及该方法的相容产物。 这些相容产物在液相中在约40℃至约200℃的温度范围内是稳定的。 该方法包括使用衍生自环氧烷和四氢呋喃的聚合的二醇,即具有2至4个碳原子的烯化氧,即聚(四亚甲基 - 共 - 亚烷基醚)二醇。

    IMPROVED COPOLYETHER GLYCOL MANUFACTURING PROCESS
    6.
    发明申请
    IMPROVED COPOLYETHER GLYCOL MANUFACTURING PROCESS 审中-公开
    改进的聚乙二醇制造工艺

    公开(公告)号:WO2010120289A1

    公开(公告)日:2010-10-21

    申请号:PCT/US2009/040642

    申请日:2009-04-15

    CPC classification number: C08G65/20 C08G65/2609 C08G65/2696

    Abstract: The present invention provides a process for manufacturing copolyether glycol having a mean molecular weight of from about 650 to about 5000 dalton by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst and at least one compound containing reactive hydrogen atoms. More particularly, the invention relates to a process for manufacturing copolyether glycol which comprises recycle to the polymerization reaction step of at least a portion of the oligomeric cyclic ether which is co-produced with the copolyether glycol.

    Abstract translation: 本发明提供了在酸催化剂和至少一种含有反应性氢原子的化合物的存在下,通过四氢呋喃和至少一种烯化氧的聚合制备平均分子量为约650至约5000道尔顿的共聚醚二醇的方法。 更具体地说,本发明涉及一种制备共聚醚二醇的方法,该方法包括向聚合反应步骤循环至少部分与共聚醚二醇共同生产的低聚环醚的一部分。

    CONTROLLED PARTIAL DEPOLYMERIZATION PROCESS FOR POLYTETRAMETHYLENE ETHER GLYCOL MOLECULAR WEIGHT DISTRIBUTION NARROWING
    7.
    发明申请
    CONTROLLED PARTIAL DEPOLYMERIZATION PROCESS FOR POLYTETRAMETHYLENE ETHER GLYCOL MOLECULAR WEIGHT DISTRIBUTION NARROWING 审中-公开
    聚对苯二甲酸乙二醇酯分子量分布的控制部分分解方法

    公开(公告)号:WO2014004110A1

    公开(公告)日:2014-01-03

    申请号:PCT/US2013/045786

    申请日:2013-06-14

    CPC classification number: C07D307/08 C08G65/20 C08G65/30 C08G2650/12

    Abstract: The present invention provides an improved process for preparing a narrow molecular weight distributed polytetramethylene ether glycol (PTMEG). The product polytetramethylene ether glycol has an increased number average molecular weight, a lowered polydispersity and a reduced molecular weight ratio when compared to the polytetramethylene ether glycol in the corresponding feedstock.

    Abstract translation: 本发明提供了制备窄分子量分布的聚四亚甲基醚二醇(PTMEG)的改进方法。 与相应原料中的聚四亚甲基醚二醇相比,产物聚四亚甲基醚二醇具有增加的数均分子量,降低的多分散性和降低的分子量比。

    COPOLYETHER ESTER ELASTOMER
    8.
    发明申请
    COPOLYETHER ESTER ELASTOMER 审中-公开
    共聚醚酯弹性体

    公开(公告)号:WO2011071558A1

    公开(公告)日:2011-06-16

    申请号:PCT/US2010/033863

    申请日:2010-05-06

    CPC classification number: C08G63/672

    Abstract: The present invention relates to a new thermoplastic copolyether ester elastomer composition comprising a soft segment and a hard segment. The soft segment of the copolyether ester elastomer composition is derived from a random poly(oxyethylene-co-oxytetramethylene ether) glycol and the hard segment is composed of short chain polyester. The present invention also relates to a method for manufacturing the new copolyether ester elastomer composition, and products comprising same.

    Abstract translation: 本发明涉及一种包含软链段和硬链段的新的热塑性共聚醚酯弹性体组合物。 共聚醚酯弹性体组合物的软链段由无规聚(氧乙烯 - 共 - 四亚甲基醚)二醇衍生而硬链段由短链聚酯组成。 本发明还涉及新型共聚醚酯弹性体组合物的制造方法及其制造方法。

    COPOLYETHER GLYCOL MANUFACTURING PROCESS
    9.
    发明公开
    COPOLYETHER GLYCOL MANUFACTURING PROCESS 有权
    共聚乙二醇生产工艺

    公开(公告)号:EP2419472A1

    公开(公告)日:2012-02-22

    申请号:EP09843448.3

    申请日:2009-04-15

    CPC classification number: C08G65/20 C08G65/2609 C08G65/2696

    Abstract: The present invention relates to a continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst, at least one compound containing reactive hydrogen atoms, and a specific diluent or solvent. More particularly, the invention relates to a diluent or solvent-assisted continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide.

    Abstract translation: 本发明涉及在酸催化剂存在下通过四氢呋喃和至少一种烯化氧的聚合高度掺入烯化氧制备共聚醚二醇的连续方法,至少一种含有活性氢原子的化合物和特定的稀释剂或 溶剂。 更具体地说,本发明涉及稀释剂或溶剂辅助的连续方法用于制造高烯化氧掺入的共聚醚二醇。

    COPOLYETHER ESTER POLYOL PROCESS
    10.
    发明授权
    COPOLYETHER ESTER POLYOL PROCESS 有权
    共聚酯酯多元醇工艺

    公开(公告)号:EP3092262B1

    公开(公告)日:2018-02-28

    申请号:EP15702598.2

    申请日:2015-01-05

    Abstract: Disclosed is a process for manufacturing copolyether ester polyol comprising: (1) providing feedstock comprising polytetramethylene ether glycol having a number average molecular weight of 350 g/mol or less and an oligomeric cyclic ether content of 4.0% by weight or more and a diacid composition selected from alpha-omega alkanedioic acids of formula HO2C—(CH2)n—CO2H, where n is from 2 through 16 to a reaction zone maintained at reaction conditions to produce a crude polyol product; (2) feeding the crude polyol product of step (1) to a separation zone at separation conditions to produce a first separation product having an oligomeric cyclic ether content of 2.0% by weight or greater, and a second separation product comprising copolyether ester polyol having an oligomeric cyclic ether content of less than 2.0% by weight; and (3) recovering the second separation product.

Patent Agency Ranking