• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to catalytic chemistry, in particular the preparation of an ion exchanger for the production of bisphenol A, which can be used in petrochemistry. The goal is to increase the stability of the catalyst under condensation conditions. Preparation of an ion exchanger is carried out from an appropriate resin (a copolymer of styrene with divinylbenzene), which is first washed with distilled water, dried in vacuum, washed with phenol, followed by swelling at 65 ° C under conditions of no moisture (the initial strong toxic ionite has a capacity of acid functions in a wet form containing water 80 wt.% 0.75 mEq / ml). The product is then heated at the temperature indicated for the swelling with 2-mercaptothiazoline taken in an amount of 0.3-1 mol per 1 mole of the acid function of the ion exchanger and dried. In this case, 80-100% degree of neutralization of the obtained catalyst is achieved. The latter provides in the course of condensation the production of bisphenol A, containing 96.7-97.2% of the main product, against 93.7% in the known case. 1 tab.
    公开号:SU1600619A3
    申请号:SU884356211
    申请日:1988-08-05
    公开日:1990-10-15
    发明作者:Рудольф Удо；Вульфф Клаус；Гинц Юрген；Бахем Норберт
    申请人:Байер Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to methods for producing a catalyst for the production of condensation products, in particular, to methods for producing an ion exchanger for the production of condensation products, preferably bisphenols.
    The purpose of the invention is to increase the stability of the ion exchanger under the conditions of the condensation reaction due to a certain sequence of stages and modes of their implementation, namely, the piercing of the ion exchanger with distilled water, the substance is in a vacuum, washing with phenol, followed by swelling under the conditions of the strong acid ionite with total capacity of acid functions in a wet form with a water content of 80 wt.%, equal to 0.75 mSq / ml of ion exchanger, nitrogen and sulfur-containing agent, which is used as 2-mercaptothiazoline in the amount of 0.3-1 m ol per 1 mole of the acid function of the ion exchanger.
    Example -1, Obtaining a modified ion exchanger.
    Sulfonic acid group containing wet ion exchanger copolymer of styrene and diviNILBenzene) with water content of about 80 wt.%, Total capacity
    Ltd
    05
    S

    s
    l: a
    0.75 mEq / ml is first washed with distilled water. The resin is then distilled at gO-IOO C for 24 hours under vacuum obtained with a water jet pump, so that the water content is reduced to May, 7 ,, The residual water is distilled off as an azeotrope with toluene, then contained in the ionite toluene is distilled off by gfys in a vacuum obtained with a water jet pump
    120 g of the thus treated IO1 is absorbed in a mixer in 1128 g of phenol and subjected to swelling at 65 ° C for 24 hours under the condition of excluding moisture. Then, with stirring d | add 30-100 mol, (% of sulphonic acid groups) the amount of 2-mercaptothiazoline required to neutralize.
    PRI me R 2c Getting bispheno A,
    to modiscated according to
    Example 1, an ion exchanger is added at 65 ° C 5; 8 g of acetone and after complete conversion of chdeton by gas chromatography of raffia, the purity of bisphenol and the amount of by-products are determined. Each experiment is carried out for 100 hours. The degree of 2-mercaptothiazol 0
    0
    five
    five
    0
    权利要求:
    Claims (1)
    [1]
    on ionites I – IV is 3–8%, while mercaptoethylamine is washed out by 25–30% from ionites A – B. The test results of the obtained ion exchangers are presented in the table. Invention Formula
    A method of producing an ion exchanger for the production of bisphenol A by condensing acetone, which involves treating a strongly acidic ion exchanger with a total capacity of acidic functions in a wet form with a water content of 80 wt.%, Equal to 0.75 meq / ml of ion exchanger, nitrogen and sulfur-containing agent during heating and drying, This is due to the fact that, in order to increase the stability of the ion exchanger under the conditions of the condensation reaction, 2-mercaptothiazoline is used as the nitrogen- and sulfur-containing agent and before treatment. the ion exchanger is washed with distilled water, dried under vacuum, washed with phenol followed by swelling under conditions of moisture removal and / treatment with 2-mercaptothiazoline is carried out in an amount of 0.3-1 mol per 1 mol of acid function of the ion exchanger.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1600619A3|1990-10-15|Method of producing ionite for making bis-phelol "a"
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    SU105753A1|1956-11-30|The method of producing cation exchanger
    US2480970A|1949-09-06|Phthalein-aldehyde ion-exchange resins and method of preparing same
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    SU513962A1|1976-05-15|The method of obtaining indacene or its methyl derivatives
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    同族专利:
    公开号 | 公开日
    DE3860383D1|1990-09-06|
    EP0305774A1|1989-03-08|
    JP2628705B2|1997-07-09|
    US4912263A|1990-03-27|
    DE3727641A1|1989-03-02|
    CA1312993C|1993-01-19|
    JPS6470151A|1989-03-15|
    EP0305774B1|1990-08-01|
    UA6309A1|1994-12-29|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB1183564A|1968-05-29|1970-03-11|Dow Chemical Co|An Ion Catalyst for the Manufacture of Bisphenols|
    US3634341A|1970-03-06|1972-01-11|Dow Chemical Co|Ion exchange catalysts for the preparation of bisphenols|
    DE2422532A1|1974-05-09|1975-11-13|Combinatul Petrochimic Borzest|Bisphenol A prodn - by reaction of phenol and acetone in presence of acid catalyst and ethyl mercaptan|
    US4239919A|1979-06-12|1980-12-16|The Dow Chemical Company|Process for obtaining bisphenols|
    DE2931036A1|1979-07-31|1981-02-26|Bayer Ag|CATALYST FOR THE PRODUCTION OF BISPHENOLS|
    US4396728A|1980-09-30|1983-08-02|General Electric Company|Method and catalyst for making bisphenol|
    US4634726A|1983-12-12|1987-01-06|The Goodyear Tire & Rubber Company|Cushion stock for power transmission belts|DE4032595A1|1990-10-13|1992-04-16|Bayer Ag|METHOD FOR PRODUCING SUBSTITUTED CYCLOHEXYLIDEN BISPHENOLS|
    DE4121791C2|1991-07-02|2001-02-22|Bayer Ag|Process for the preparation of substituted cycloalkylidene bisphenols|
    US5780690A|1992-04-28|1998-07-14|Bayer Aktiengesellschaft|Bisphenol synthesis on modified ion-exchange resins using specially purified carbonyl compounds|
    DE4213870C2|1992-04-28|1996-07-04|Bayer Ag|Bisphenol synthesis on modified ion exchange resins using specially purified carbonyl compounds|
    DE19529857A1|1995-08-14|1997-02-20|Bayer Ag|Adduct crystals of bisphenol A and bisphenol TMC|
    US5723691A|1995-08-31|1998-03-03|General Electric Company|Method for preparing ion-exchange resin for use as a catalyst in the synthesis of bisphenols|
    DE19539444A1|1995-10-24|1997-04-30|Bayer Ag|Process for the preparation of bisphenols using new cocatalysts|
    DE19638888A1|1996-09-23|1998-03-26|Bayer Ag|Production of cyclic aromatic bis:phenol compounds|
    DE19703934C2|1997-02-04|1999-05-20|Degussa|Process for the selective production of 2,2'-bispropanes|
    DE19757570B4|1997-12-23|2006-06-01|Bayer Materialscience Ag|Process for the preparation of bisphenol A|
    DE19954787A1|1999-11-15|2001-05-17|Bayer Ag|Process for the production of polycarbonate|
    US6703530B2|2002-02-28|2004-03-09|General Electric Company|Chemical reactor system and process|
    US7112702B2|2002-12-12|2006-09-26|General Electric Company|Process for the synthesis of bisphenol|
    JP4615831B2|2003-04-14|2011-01-19|出光興産株式会社|Method for recovering phenol in the production of bisphenol A|
    US7132575B2|2003-07-01|2006-11-07|General Electric Company|Process for the synthesis of bisphenol|
    CN108654575B|2018-06-14|2021-03-12|华玻视讯科技有限公司|Preparation and application of magnetic episulfide resin functional material|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19873727641|DE3727641A1|1987-08-19|1987-08-19|ION EXCHANGERS MODIFIED WITH THIAZOLINES|
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