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公开(公告)号：US20070287796A1
公开(公告)日：2007-12-13
申请号：US11423526
申请日：2006-06-12
CPC分类号： C08G64/20 , C08G64/06 , C08G64/307 , C08K5/1535 , C08L69/00
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20050137409A1
公开(公告)日：2005-06-23
申请号：US11008029
申请日：2004-12-09
申请人： Sunil Ashtekar , Pramod Kumbhar , Jan-Pleun Lens , Rathinam Mahalingam , Nadkarni Pradeep , Jegadeesh Thampi
发明人： Sunil Ashtekar , Pramod Kumbhar , Jan-Pleun Lens , Rathinam Mahalingam , Nadkarni Pradeep , Jegadeesh Thampi
摘要： A process for the preparation of benzoquinones and hydroquinones includes oxidizing an aromatic hydroxy compound with oxygen or an oxygen containing gas, a copper containing catalyst, and optionally a promoter to form the benzoquinone. A reduction reaction is employed to form the hydroquinone.
摘要翻译： 制备苯醌和氢醌的方法包括用氧或含氧气体氧化芳族羟基化合物，含铜催化剂和任选的助催化剂以形成苯醌。 采用还原反应形成氢醌。
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公开(公告)号：US07015365B2
公开(公告)日：2006-03-21
申请号：US10742474
申请日：2003-12-19
申请人： Debjani Kapila , Ramesh Krishnamurti , Jan-Pleun Lens , Gurram Kishan , Nileshkumar Kukalyekar , Jegadeesh Thampi , Umesh Krishna Hasyagar , Vinod Kumar Rai , Ashok S. Shyadligeri , Radhakrishna Sreenivasarao Arakali , Edward J. Nesakumar , Pramod Kumbhar
发明人： Debjani Kapila , Ramesh Krishnamurti , Jan-Pleun Lens , Gurram Kishan , Nileshkumar Kukalyekar , Jegadeesh Thampi , Umesh Krishna Hasyagar , Vinod Kumar Rai , Ashok S. Shyadligeri , Radhakrishna Sreenivasarao Arakali , Edward J. Nesakumar , Pramod Kumbhar
IPC分类号： C07C39/17
CPC分类号： C07C37/20 , C07C2601/14 , C07C2603/68 , C07C39/17
摘要： A process for forming a cycloalkylidene bisphenol comprises: reacting a cycloalkanone compound of formula: where [A] is a substituted or an unsubstituted aromatic group, R1–R4 independently represent a hydrogen or a C1–C12 hydrocarbyl group; and “a” and “b” are integers independently having values from 0–3; with an aromatic hydroxy compound of formula [A]-OH, where [A] is as previously described; at a mole ratio of greater than or equal to about 20, in the presence of a sulfonic acid type ion exchange resin catalyst crosslinked with greater than or equal to about 8 weight percent of divinylbenzene, and a promoter selected from the group consisting of a mercaptan compound and a resorcinol compound; to form a cycloalkylidene bisphenol of formula: where [A], R1–R4, “a” and “b” are as previously described. Moreover, any acid catalyst can be used with a resorcinol promoter.
摘要翻译： 形成环亚烷基双酚的方法包括：使下式的环烷酮化合物反应：其中[A]是取代或未取代的芳基，R 1〜R 4独立地表示 氢或C 1 -C 12烃基; “a”和“b”是独立地为0-3的数值的整数; 与式[A] -OH的芳族羟基化合物反应，其中[A]如前所述; 在大于或等于约8重量％的二乙烯基苯交联的磺酸型离子交换树脂催化剂存在下，摩尔比大于或等于约20，以及选自硫醇的助催化剂 化合物和间苯二酚化合物; 形成下式的亚环烷基双酚：其中[A]，R 1 -R 4，“a”和“b”如前所述。 此外，任何酸催化剂都可以与间苯二酚助催化剂一起使用。
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公开(公告)号：US20050137428A1
公开(公告)日：2005-06-23
申请号：US10742474
申请日：2003-12-19
申请人： Debjani Kapila , Ramesh Krishnamurti , Jan-Pleun Lens , Gurram Kishan , Nileshkumar Kukalyekar , Jegadeesh Thampi , Umesh Hasyagar , Vinod Rai , Ashok Shyadligeri , Radhakrishna Arakali , Edward Nesakumar , Pramod Kumbhar
发明人： Debjani Kapila , Ramesh Krishnamurti , Jan-Pleun Lens , Gurram Kishan , Nileshkumar Kukalyekar , Jegadeesh Thampi , Umesh Hasyagar , Vinod Rai , Ashok Shyadligeri , Radhakrishna Arakali , Edward Nesakumar , Pramod Kumbhar
CPC分类号： C07C37/20 , C07C2601/14 , C07C2603/68 , C07C39/17
摘要： A process for forming a cycloalkylidene bisphenol comprises: reacting a cycloalkanone compound of formula: where [A] is a substituted or an unsubstituted aromatic group, R1-R4 independently represent a hydrogen or a C1-C12 hydrocarbyl group; and “a” and “b” are integers independently having values from 0-3; with an aromatic hydroxy compound of formula [A]-OH, where [A] is as previously described; at a mole ratio of greater than or equal to about 20, in the presence of a sulfonic acid type ion exchange resin catalyst crosslinked with greater than or equal to about 8 weight percent of divinylbenzene, and a promoter selected from the group consisting of a mercaptan compound and a resorcinol compound; to form a cycloalkylidene bisphenol of formula: where [A], R1-R4, “a” and “b” are as previously described. Moreover, any acid catalyst can be used with a resorcinol promoter.
摘要翻译： 形成环亚烷基双酚的方法包括：使下式的环烷酮化合物反应：其中[A]是取代或未取代的芳基，R 1〜R 4独立地表示 氢或C 1 -C 12烃基; “a”和“b”是独立地为0-3的数值的整数; 与式[A] -OH的芳族羟基化合物反应，其中[A]如前所述; 在大于或等于约8重量％的二乙烯基苯交联的磺酸型离子交换树脂催化剂存在下，摩尔比大于或等于约20，以及选自硫醇的助催化剂 化合物和间苯二酚化合物; 形成下式的亚环烷基双酚：其中[A]，R 1 -R 4，“a”和“b”如前所述。 此外，任何酸催化剂都可以与间苯二酚助催化剂一起使用。
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公开(公告)号：US07148386B2
公开(公告)日：2006-12-12
申请号：US10903149
申请日：2004-07-30
摘要： A process for the preparation of hydroquinone compounds comprising, reacting an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system. The reaction is carried out in the presence of a transition metal hydroxy phosphate catalyst to produce the corresponding hydroquinone compound.
摘要翻译： 一种制备氢醌化合物的方法，包括在双相溶剂体系中使芳族羟基化合物与氧化剂反应。 反应在过渡金属羟基磷酸盐催化剂存在下进行，生成相应的氢醌化合物。
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公开(公告)号：US20050137380A1
公开(公告)日：2005-06-23
申请号：US10757921
申请日：2004-01-14
IPC分类号： B01J27/122 , C07C37/07 , C07C39/08 , C07C46/08 , C08G64/04 , C08G64/00 , C07C37/06 , C07C50/04
摘要： A process for the preparation of benzoquinones and hydroquinones includes oxidizing an aromatic hydroxy compound with oxygen or an oxygen containing gas, a copper containing catalyst, and a promoter to form the benzoquonone. A reduction reaction is employed to form the hydroquinone.
摘要翻译： 制备苯醌和氢醌的方法包括用氧或含氧气体氧化芳族羟基化合物，含铜催化剂和助催化剂以形成苯醌。 采用还原反应形成氢醌。
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公开(公告)号：US20050222372A1
公开(公告)日：2005-10-06
申请号：US10815879
申请日：2004-03-31
IPC分类号： B01J21/10 , B01J23/72 , B01J27/232 , B01J35/10 , B01J37/00 , C07C37/14 , C07C37/16 , C07C39/08 , C08G65/38
CPC分类号： C07C37/14 , B01J21/10 , B01J23/72 , B01J27/232 , B01J35/1061 , B01J37/0018 , C07C37/16 , C07C39/08
摘要： A continuous process comprising: contacting a mixture comprising dihydroxy aromatic compound, water and an alkylating agent with a catalyst system in the presence of a flowing carrier gas, to form a mono alkylated dihydroxy aromatic compound, wherein the catalyst system is obtained by the calcination of a catalyst precursor system comprising a metal oxide precursor, a transition metal element and a pore former.
摘要翻译： 一种连续方法，包括：在流动的载气存在下使包含二羟基芳族化合物，水和烷基化剂的混合物与催化剂体系接触，形成单烷基化二羟基芳族化合物，其中催化剂体系是通过煅烧 包含金属氧化物前体，过渡金属元素和成孔剂的催化剂前体体系。
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公开(公告)号：US07087705B2
公开(公告)日：2006-08-08
申请号：US10815879
申请日：2004-03-31
IPC分类号： C08G65/38
CPC分类号： C07C37/14 , B01J21/10 , B01J23/72 , B01J27/232 , B01J35/1061 , B01J37/0018 , C07C37/16 , C07C39/08
摘要： A continuous process comprising: contacting a mixture comprising dihydroxy aromatic compound, water and an alkylating agent with a catalyst system in the presence of a flowing carrier gas, to form a mono alkylated dihydroxy aromatic compound, wherein the catalyst system is obtained by the calcination of a catalyst precursor system comprising a metal oxide precursor, a transition metal element and a pore former.
摘要翻译： 一种连续方法，包括：在流动的载气存在下使包含二羟基芳族化合物，水和烷基化剂的混合物与催化剂体系接触，形成单烷基化二羟基芳族化合物，其中催化剂体系是通过煅烧 包含金属氧化物前体，过渡金属元素和成孔剂的催化剂前体体系。
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公开(公告)号：US20060025634A1
公开(公告)日：2006-02-02
申请号：US10903149
申请日：2004-07-30
IPC分类号： C07C37/60
摘要： A process for the preparation of hydroquinone compounds comprising, reacting an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system. The reaction is carried out in the presence of a transition metal hydroxy phosphate catalyst to produce the corresponding hydroquinone compound.
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公开(公告)号：US06982354B2
公开(公告)日：2006-01-03
申请号：US10770001
申请日：2004-02-02
IPC分类号： C07C45/38
CPC分类号： C07C45/002 , C07C2602/42 , C07C2603/68 , C07C2603/72 , C07C2603/86 , C07C49/433 , C07C49/453 , C07C49/423
摘要： A method of preparing a polycyclic compound containing a ketone functionality comprising: reacting a mixture comprising a catalyst, a reactant compound and an amount of water greater than or equal to 3 weight percent (wt %) based on the weight of the reactant compound; wherein said catalyst comprises nickel and base and said reactant compound comprises at least two fused rings, A and B wherein ring A is a saturated ring or ring system having 5 to 7 cyclic carbons and substituted with a hydroxyl functionality and ring B is a non-aromatic unsaturated ring having 5 to 6 cyclic carbons; and converting the hydroxyl functionality of ring A to a ketone functionality and non-aromatic unsaturated ring B to a saturated ring.
摘要翻译： 一种制备含有酮官能团的多环化合物的方法，包括：使包含催化剂，反应物化合物和大于或等于3重量％（wt％）的水的混合物与反应物化合物的重量反应; 其中所述催化剂包含镍和碱，并且所述反应物化合物包含至少两个稠合环A和B，其中环A是具有5-7个环状碳并被羟基官能团取代的饱和环或环系统，并且环B是非 - 具有5至6个环状碳的芳族不饱和环; 并将环A的羟基官能团转化为酮官能团和非芳族不饱和环B至饱和环。
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