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    Process For Manufacturing Polyethylene Terephthalate
    2.
    发明申请
    Process For Manufacturing Polyethylene Terephthalate 有权
    制造聚对苯二甲酸乙二醇酯的方法

    公开(公告)号：US20150329667A1

    公开(公告)日：2015-11-19

    申请号：US14655793

    申请日：2013-11-30

    申请人： CLARIANT FINANCE (BVI) LIMITED

    发明人： Ernesto DONGIOVANNI ,  Korada SUPAT

    IPC分类号： C08G63/86

    CPC分类号： C08G63/866 ,  C08G63/183 ,  C08G63/78 ,  C08G63/85 ,  C08K5/098 ,  C08K5/5393 ,  C08L67/02

    摘要： The invention relates to a process for producing a polyester resin, said process comprises the steps of (i) providing a mixture of terephthalic acid, monoethylene glycol, a polycondensation catalyst which contains antimony, a phosphorous containing stabilizer comprising a compound of the formula (I) and optionally a colour correction additive containing cobalt ions;(ii heating said mixture to a temperature of 220 to 270° C. to provide bis-hydroxyethylterephthalic acid ester; and (iii) performing polycondensation of said bis-hydroxyethylterephthalic acid ester at a temperature of between 280 and 310° C. at reduced pressure.

    摘要翻译： 本发明涉及一种生产聚酯树脂的方法，所述方法包括以下步骤：（i）提供对苯二甲酸，单乙二醇，含锑的缩聚催化剂的混合物，含磷稳定剂，其包含式（I ）和任选的含有钴离子的颜色校正添加剂; （ii）将所述混合物加热至220〜270℃的温度以提供双羟乙基对苯二甲酸酯;和（iii）在280-310℃的温度下进行减压下的所述双 - 羟乙基对苯二甲酸酯的缩聚 。

    Method for producing alkoxylated phosphoric acid triesters
    5.
    发明授权
    Method for producing alkoxylated phosphoric acid triesters 有权
    烷氧基化磷酸三酯的制备方法

    公开(公告)号：US08841475B2

    公开(公告)日：2014-09-23

    申请号：US13759827

    申请日：2013-02-05

    申请人： Clariant Finance (BVI) Limited

    发明人： Peter Klug ,  Franz-Xaver Scherl ,  Waltraud Simsch ,  Adelgunde Oberhauser

    IPC分类号： C07F9/09

    CPC分类号： C07F9/113 ,  A61K8/556 ,  A61K2800/48 ,  C08G65/327

    摘要： The invention relates to a method for producing phosphoric acid triesters of formula (I). According to said method, phosphoric acid or a phosphoric acid derivative selected from orthophosphoric acid, tetraphosphoric decaoxide and polyphosphoric acid is reacted with alkoxylated alcohols of formulae (II) R1—(OA1)x—OH, (III) R2—(OA2)y—OH, and (IV) R3—(OA3)z—OH, in the molar ratio phosphoric acid or phosphoric acid derivative to alkoxylated alcohol of 1:2.5 to 1:3.3, at between 200 and 240° C.

    摘要翻译： 本发明涉及一种制备式（I）的磷酸三酯的方法。 根据所述方法，将磷酸或选自正磷酸，四磷酸十四烷和多磷酸的磷酸衍生物与式（II）R1-（OA1）x-OH，（Ⅲ）R2-（OA2）y的烷氧基化醇反应 -OH和（IV）R3-（OA3）z-OH，其中磷酸或磷酸衍生物与烷氧基化醇的摩尔比为1:2.5至1:3.3，在200和240℃之间。

    Process for preparing iron free zinc oxide
    8.
    发明申请
    Process for preparing iron free zinc oxide 审中-公开

    公开(公告)号：US20030150815A1

    公开(公告)日：2003-08-14

    申请号：US10323418

    申请日：2002-12-18

    申请人： Clariant Finance (BVI) Limited

    发明人： Vincent Wise Martin

    IPC分类号： C02F001/42

    CPC分类号： C22B19/34 ,  C22B3/42 ,  C22B19/26 ,  Y02P10/234 ,  Y10S210/912

    摘要： The present invention provides a process for the separation and removal of iron ions from a basic zinc solution. The process involves: treating an aqueous basic zinc solution with a solid ion exchange resin containing an insoluble cross-linked polymer which contains at least one pendant phosphonate group, at a pH of from about 8 to about 12, and a temperature of from about 10null C. to about 90null C., for a time period sufficient to form solid phase-bound iron ions and a liquid phase containing the aqueous basic zinc solution having an iron ion concentration that is substantially reduced; separating the solid phase-bound iron ions and the liquid phase; and treating the solid phase-bound iron ions with an aqueous acidic solution under conditions sufficient to regenerate the solid ion exchange resin. The present invention also provides a process for preparing zinc oxide that is substantially free of iron ions. This process involves: (a) treating ammonium carbonate and zinc oxide to form a mixture containing a zinc ammonia carbonate complex and metal impurities such as iron, lead, and cadmium, and optionally sulfur; (b) optionally filtering the mixture from (a) to produce a residue containing mostly sulfur and a filtrate containing mostly the zinc ammonium carbonate complex and metal impurities containing iron, lead and cadmium; (c) treating the filtrate from (b), or the mixture from (a) with zinc(0) to remove the lead and cadmium and to form a cementation product, and filtering the cementation product to form a cementation residue containing mostly lead and cadmium and a cementation filtrate containing mostly zinc and iron ions; (d) treating the cementation filtrate from (c) with the above mentioned ion exchange resin, for a time period sufficient to form solid phase-bound iron ions and a liquid phase containing the cementation filtrate having an iron ion concentration that is substantially reduced; (e) heating the liquid phase from (d) to remove ammonia and to precipitate zinc ions in solution as mostly zinc carbonate; and (f) calcining the zinc carbonate precipitate of step (e) at a temperature of from about 200null C. to about 1100null C. to convert the zinc carbonate to zinc oxide.