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    METHOD OF STABILIZATION OF DIHYDRIC PHENOLS
    2.
    发明申请
    METHOD OF STABILIZATION OF DIHYDRIC PHENOLS 审中-公开
    二羟基苯酚的稳定化方法

    公开(公告)号：WO2007146487A1

    公开(公告)日：2007-12-21

    申请号：PCT/US2007/066842

    申请日：2007-04-18

    Applicant: GENERAL ELECTRIC COMPANY ,  ASHTEKAR, Sunil ,  KAMPS, Jan, Henk ,  LENS, Jan, Pleun ,  NADKARNI, Pradeep ,  THAMPI, Jegadeesh

    Inventor： ASHTEKAR, Sunil ,  KAMPS, Jan, Henk ,  LENS, Jan, Pleun ,  NADKARNI, Pradeep ,  THAMPI, Jegadeesh

    IPC: C08G64/06 ,  C08G64/20 ,  C08K5/1535 ,  C08L69/00

    CPC classification number: C08G64/20 ,  C08G64/06 ,  C08G64/307 ,  C08K5/1535 ,  C08L69/00

    Abstract: A method of producing a polycarbonate, the method comprising: polymerizing a dihydric phenol and a carbonate precursor in the presence of a stabilizer to provide a polycarbonate with a yellowness index of less than or equal to 10 measured in accordance with ASTM E313 test method on molded samples having a thickness of about 2.5 millimeters; wherein the stabilizer is selected from the group consisting of ascorbic acid, salts of ascorbic acid, esters of ascorbic acid and a mixture of two or more of the foregoing; wherein the dihydric phenol is represented by Formula (I), wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms; and n is an integer having a value of 1 to 4.

    Abstract translation: 一种制备聚碳酸酯的方法，该方法包括：在稳定剂存在下聚合二元酚和碳酸酯前体，以提供根据ASTM E313测试方法测量的黄色指数小于或等于10的聚碳酸酯 样品厚度约2.5毫米; 其中所述稳定剂选自抗坏血酸，抗坏血酸盐，抗坏血酸酯和前述两种或多种的混合物; 其中二元酚由式（I）表示，其中R是氢原子或具有1至6个碳原子的脂族官能团; n为1〜4的整数。

    METHODS FOR PURIFYING 2-ARYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES
    3.
    发明申请
    METHODS FOR PURIFYING 2-ARYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES 审中-公开
    纯化2-ARYL-3,3-BIS（羟基）苯乙胺的方法

    公开(公告)号：WO2007070528A1

    公开(公告)日：2007-06-21

    申请号：PCT/US2006/047417

    申请日：2006-12-12

    Applicant: GENERAL ELECTRIC COMPANY ,  GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji ,  KUMAR, S., Arun ,  RAMANARAYANAN, G.v. ,  SHANMUGAM, Suresh ,  KISHAN, Gurram ,  SINGH, Ravindra, Vikram

    Inventor： GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji ,  KUMAR, S., Arun ,  RAMANARAYANAN, G.v. ,  SHANMUGAM, Suresh ,  KISHAN, Gurram ,  SINGH, Ravindra, Vikram

    IPC: C07D209/46 ,  C08G64/04

    CPC classification number: C07D209/46 ,  C08G64/12

    Abstract: A method for purifying a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine comprises contacting a crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine with a purification agent, removing a 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound from the crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine, and producing a purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine product comprising less than 200 parts per million of the 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)ρhthalimidine compound. The purification agent is selected from the group consisting of an acidic material, an organic acid chloride, an organic anhydride, or a combination thereof. The 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound has a formula (I): wherein each R 1 is independently selected from a group consisting of a hydrocarbyl radical, a nitro radical, and a halogen atom; "a" is an integer from 0 to 4; and Ar 1 and Ar 2 are independently at each occurrence an aromatic radical. The purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidines have low color, and are useful for preparing polymers, such as polycarbonates having a low color. The polycarbonates are useful for producing articles.

    Abstract translation: 一种纯化2-芳基-3,3-双（羟基芳基）苯并二氮嘧啶的方法，包括将粗制2-芳基-3,3-双（羟基芳基）苯并二氮吡啶与净化剂接触，除去2-芳基-3-（氨基芳基 ）-3-（羟基芳基）苯并二氮嘧啶化合物，并产生纯化的2-芳基-3,3-双（羟基芳基）苯并二氮嘧啶产物，其包含小于200份 百万的2-芳基-3-（氨基芳基）-3-（羟基芳基）苯并咪唑化合物。 净化剂选自酸性物质，有机酰氯，有机酸酐或其组合。 2-芳基-3-（氨基芳基）-3-（羟基芳基）苯并二氮嘧啶化合物具有式（I）：其中每个R 1独立地选自烃基，硝基 自由基和卤素原子; “a”是从0到4的整数; 且Ar 1和Ar 2在每次出现时独立地为芳族基团。 纯化的2-芳基-3,3-双（羟基芳基）苯二甲酰亚胺具有低的颜色，并且可用于制备聚合物，例如具有低颜色的聚碳酸酯。 聚碳酸酯可用于制造制品。

    METHODS FOR RECYCLING CATALYST COMPOSITIONS FOR AROMATIC RING HALOGENATION
    7.
    发明申请
    METHODS FOR RECYCLING CATALYST COMPOSITIONS FOR AROMATIC RING HALOGENATION 审中-公开
    回收环氧化合物催化剂组合物的方法

    公开(公告)号：WO2006009662A2

    公开(公告)日：2006-01-26

    申请号：PCT/US2005/020788

    申请日：2005-06-13

    Applicant: GENERAL ELECTRIC COMPANY ,  GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji ,  COLBORN, Robert, Edgar ,  HANCU, Dan

    Inventor： GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji ,  COLBORN, Robert, Edgar ,  HANCU, Dan

    IPC: C07C17/00

    CPC classification number: B01J27/32 ,  B01J31/02 ,  B01J31/0218 ,  B01J31/022 ,  B01J31/0244 ,  B01J31/0271 ,  B01J31/04 ,  B01J31/2226 ,  B01J31/2234 ,  B01J31/226 ,  B01J31/26 ,  B01J31/30 ,  B01J31/4015 ,  B01J31/403 ,  B01J38/50 ,  B01J2531/16 ,  B01J2531/48 ,  B01J2531/842 ,  C07C17/12 ,  Y02P20/584 ,  C07C25/125

    Abstract: A method for recovering and reusing a ring-halogenation catalyst comprises: (A) contacting an aromatic compound with chlorine or bromine in the presence of a catalyst composition, where the catalyst composition comprises at least one salt comprising a Group 4 - 13 metal, a lanthanide metal, or an actinide metal; and at least one organic counterion derived from an organic acid having a pKa relative to water of 0 or greater; and at least one organic sulfur compound; to form a first product mixture comprising a monochloro or a monobromo aromatic compound and a Group 4 - 13 metal halide, a lanthanide metal halide or an actinide metal halide; (B) separating the metal halide from the first product mixture; and (C) contacting at least a portion of the metal halide and an aromatic compound with chlorine or bromine, and at least one organic sulfur compound; to form a second product mixture comprising a monochloro or a monobromo aromatic compound and a Group 4 - 13 metal halide, a lanthanide metal halide or an actinide metal halide.ving a pKa relative to water of 0 or greater; and at least one organic sulfur compound.

    Abstract translation: 回收和再利用环卤化催化剂的方法包括：（A）在催化剂组合物存在下使芳族化合物与氯或溴接触，其中催化剂组合物包含至少一种包含第4-13族金属的盐， 镧系金属或锕系金属; 以及衍生自相对于水的pKa为0以上的有机酸的至少一种有机抗衡离子; 和至少一种有机硫化合物; 以形成包含一氯或一溴芳族化合物和第4-13族金属卤化物，镧系金属卤化物或锕系金属卤化物的第一产物混合物; （B）将金属卤化物与第一产物混合物分离; 和（C）使金属卤化物和芳族化合物的至少一部分与氯或溴接触，和至少一种有机硫化合物; 以形成包含单氯或一溴芳族化合物和第4-13族金属卤化物，镧系元素金属卤化物或锕系金属卤化物的第二产物混合物，相对于0或更大的水，得到pKa; 和至少一种有机硫化合物。

    METHODS FOR INCREASING THE MEAN PARTICLE SIZE OF 2-HYDROCARBYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES
    9.
    发明申请
    METHODS FOR INCREASING THE MEAN PARTICLE SIZE OF 2-HYDROCARBYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES 审中-公开

    公开(公告)号：WO2007064623A3

    公开(公告)日：2007-06-07

    申请号：PCT/US2006/045506

    申请日：2006-11-28

    Applicant: GENERAL ELECTRIC COMPANY ,  GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji

    Inventor： GANESAN, Balakrishnan ,  NADKARNI, Pradeep, Jeevaji

    IPC: C07D209/46

    Abstract: A method for increasing a mean particle size of a 2-hydrocarbyl-3,3- bis(hydroxyaryl)phthalimidine is provided. The method comprises forming a mixture comprising a feedstream of the 2-hydrocarbyl-3,3-bis(4- hydroxyaryl)phthalimidine, and a solvent composition comprising an organic solvent and water, wherein the organic solvent is capable of at least partially dissolving the 2-hydrocarbyl-3,3- bis(hydroxyaryl)phthalimidine and forming an adduct with the 2-hydrocarbyl-3,3- bis(hydroxyaryl)phthalimidine. Then the mixture is heated at a temperature and for a time effective to decompose the adduct and form a 2-hydrocarbyl-3,3- bis(hydroxyaryl)phthalimidine product having a mean particle size greater than 5 microns. The 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidines with increased particle size are useful for producing polymers.

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