WO2000000454A1 - Procede de production de bisphenol a - Google Patents
Procede de production de bisphenol a Download PDFInfo
- Publication number
- WO2000000454A1 WO2000000454A1 PCT/JP1999/003348 JP9903348W WO0000454A1 WO 2000000454 A1 WO2000000454 A1 WO 2000000454A1 JP 9903348 W JP9903348 W JP 9903348W WO 0000454 A1 WO0000454 A1 WO 0000454A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monomer
- exchange resin
- catalyst
- cation exchange
- copolymer
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/08—Ion-exchange resins
- B01J31/10—Ion-exchange resins sulfonated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
- B01J2231/34—Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
- B01J2231/341—1,2-additions, e.g. aldol or Knoevenagel condensations
- B01J2231/347—1,2-additions, e.g. aldol or Knoevenagel condensations via cationic intermediates, e.g. bisphenol A type processes
Definitions
- the present invention relates to a method for producing 2,2′-bis (4-hydroxyphenyl) propane (hereinafter referred to as bisphenol A).
- bisphenol A 2,2′-bis (4-hydroxyphenyl) propane
- Bisphenol A has recently been increasing in demand as a main raw material for engineering plastic resins such as polycarbonate resins and epoxy resins.
- bisphenol A is obtained by reacting excess phenol with acetone in the presence of an acidic catalyst.
- a cation exchange resin is most commonly used as the acidic catalyst, and a sulfonic acid cation exchange resin is usually used.
- the most widely used sulfonic acid-based cation exchange resin is a sulfonated styrene-di-bi-benzene copolymer.
- Snorrephonated styrene dibutylbenzene copolymer is obtained by copolymerizing styrene and dibutylbenzene in the presence of a polymerization initiator, and converting the copolymer to the aromatic ring of styrene and dibutylbenzene with sulfuric acid or the like. It is a resin into which a phonic acid group is introduced. It is thought that this copolymer has a complex three-dimensional network structure in which dibyrbensen is entangled irregularly while crosslinking the styrene chain.
- dibutylbenzene serves as a knot in the network, it is called a cross-linking agent.
- the ratio to the ratio is generally called the degree of crosslinking.
- JP-A-6-32755 teaches that a cation exchange resin catalyst having a degree of crosslinking of 6 wt% or less is used because a cation exchange resin catalyst having a low degree of crosslinking has a longer life.
- the lower the degree of crosslinking of the cation exchange resin catalyst the lower the number of sulfonic acid groups per unit volume of the catalyst, and thus the lower the production amount of bisphenol A.
- the present invention provides a cation exchange resin catalyst which has high productivity per unit volume of catalyst, has a long catalyst life, maintains high productivity of bisphenol A for a long time, is less likely to be elastically deformed, and has high strength. It is intended to provide.
- Another object of the present invention is to provide a method for efficiently producing bisphenol A. Disclosure of the invention
- the present invention relates to a monobutyl monomer mainly containing styrenes.
- a cation exchange resin obtained by sulfonating a copolymer of dibutyl monomer as a cross-linking agent
- phenol and acetone are reacted and dehydrated and condensed to form 2,2'-bis.
- (4-arsenate Dorokishifuweniru) in producing the propane the di Bulle 2 0 mole 0/0 or more monomers 2, characterized in that it is a divinyl Biff enyl, 2 'single-bis (4-arsenate Dorokishifueniru) propane It is a manufacturing method.
- the present invention is the cation exchange resin catalyst used in this reaction.
- the sulfonated styrenedivinyl monomer copolymer used as a cation exchange resin catalyst in the present invention is a monobutyl monomer mainly composed of styrenes and divinyl biphenyl or divinyl biphenyl and divinyl benzene mainly composed of divinyl biphenyl.
- the resulting copolymer is sulfonated with sulfuric acid or the like to introduce sulfonic acid groups into the aromatic ring of styrenes and divinyl monomers. It can be manufactured by a known method.
- styrenes examples include chloroaromatic monobutyl compounds such as styrene, vinyl tonylene, trimethyl styrene, vinyl / lexylene, vinyl ethynolebenzene, vinylinolebiphenyl, and methylvinylbiphenyl. Preferably it is styrene.
- Monovinyl monomers other than styrenes include aliphatic olefins. The mono-vinyl monomer state, and are not the styrenes mainly, 5 0 moles of styrenes mono Bulle monomer 0/0 or more, is preferred properly 8 0 mole 0 /. It is better to be above.
- divinyl bifuel may be 100%, but as long as it is less than 20 mol%, other dibutyl monomers can be used.
- examples of such a divinyl monomer include divinylbenzene, divinyltoluene, and the like, with dibutylbenzene being preferred.
- Gibyl biphenyl is a Gibiel monomer 2 0 mole 0/0 or more, it is preferable properly is 5 0 mol% or more.
- di Bulle monomer is for the main and Jibini Norebifueeru and di vinyl Honoré benzene, both total di Bulle monomer 5 0 mol% or more of it properly is 8 0 mole 0/0 or more preferred Les ,.
- Divinylbiphenyl has several isomers, but 4,4'-divinylbiphenyl or a mixture of the main isomers is preferred.
- 4,4′-divinylbiphenyl can be converted to unreacted products or reaction intermediates such as 4,4′-getylbiphenyl, 4,4′-butylethylbiphenyl, 4-vinylbiphenyl and the like. In some cases, these may be used, but in many cases, those containing them can be used as they are.
- mono-bulbiphenyls such as 4, 4'-buletinolebiphenyl and 4-bininolebiphenyl are contained in an amount of about 10 to 60 mol%.
- monovinyl biphenyls are calculated as mono vinyl monomers.
- dibutylbenzene is preferred to have an isomer and 1,4-dibutylbenzene or those mainly containing diisomer.
- the ratio of divinylbenzene and divinylbiphenyl is preferably as large as possible.
- the dibutyl biphenyl / dibutyl benzene ratio (molar ratio) is 10/0 to 8Z2, and more preferably 10/0 to 5/5.
- the degree of crosslinking expressed by the weight ratio of dibutyl monomer as a crosslinking agent to the total monomer mixture is not particularly limited, but is 0.1 to 2 in consideration of the catalyst life, the productivity of bisphenol A and the catalyst strength. 0 wt%, preferably 1 to 15 wt%, and more preferably 2 to 8 wt% is suitable. Further, the degree of crosslinking expressed by dibutyl monomer / total monomer (molar ratio) is 2 to 50 mol%, preferably 2 to 40 mol 0 /. , More preferred Or 310 moles. / 0 . If the degree of crosslinking is low, the strength and the performance as a catalyst decrease.
- a known method can be used for the copolymerization of a monobutyl monomer mainly composed of styrenes and a dibutyl monomer.
- polymerization is carried out at a temperature of 590 ° C. for about 330 hours.
- a predetermined amount of water and a dispersant are charged into a polymerization reactor, and a monomer mixture in which a polymerization initiator is dissolved is added thereto with stirring to form an oil-in-water suspension.
- Polymerization is performed while aerating nitrogen gas at a temperature.
- a polymerization initiator is added to a monomer mixture of a monovinyl monomer and a divinyl monomer, and bulk, solution or suspension polymerization is performed.
- suspension polymerization In order to obtain a bead resin suitable for filling the fixed bed, it is preferable to use suspension polymerization.
- water is used as a dispersion medium in an amount of 110 times the weight of the monomer mixture with respect to the monomer mixture.
- a dispersing agent such as polyvinyl alcohol / recohol, and force / repoxymethinoresenololose, is used at a concentration of 0.055% by weight based on the monomer mixture.
- the polymerization initiator known ones such as benzoyl peroxide and azo catalyst can be used, and the amount of the polymerization initiator is 0.015 wt with respect to the monomer mixture. /. It is.
- Such a copolymer produced by simply polymerizing a monobutyl monomer mainly composed of styrenes and a divier monomer as a cross-linking agent is transparent and has a gel structure, and is therefore called a gel-type resin.
- This gel-type resin has a two-dimensional network structure in which dibutyl monomers, which are bifunctional monomers, are entangled irregularly while cross-linking styrene chains, and the gaps in this network structure are called micropores.
- monomers are well dissolved in monobutyl monomer mainly composed of styrenes and dibutyl monomer as a cross-linking agent, and a high boiling organic solvent insoluble in water (toluene, ethylbenzene, n-xane, etc.) is added.
- a high boiling organic solvent insoluble in water toluene, ethylbenzene, n-xane, etc.
- Such a copolymer is generally called a macroporous resin, and this large space is called a macropore.
- the gel-type or macroporous-type copolymer particles obtained in this manner are usually spherical beads having a particle size of about 100 to 100 ⁇ m without cracks, but the presence of a swelling agent.
- a cation exchange resin catalyst is obtained by adding a predetermined amount of a sulfonating agent and sulfonating.
- an organic solvent which swells the copolymer satisfactorily and is inactive with respect to the sulfonating agent is preferable.
- an organic solvent which swells the copolymer satisfactorily and is inactive with respect to the sulfonating agent is preferable.
- dichloromethane, 2-port benzene and the like are effective.
- the amount of the solvent used as the swelling agent is generally 0.1 to 10 times the weight of the copolymer.
- Sulfonation is usually carried out by stirring the copolymer particles after the solvent swelling in 95 to 100% sulfuric acid.
- the amount of sulfuric acid used is usually 3 to 30 times the weight of the copolymer.
- the treatment conditions are 50 to 150 ° C, preferably about 90 to 110 ° C, for about 3 to 30 hours.
- the sulfonated still-divinyl monomer copolymer obtained as described above, that is, a cation exchange resin is used as a reaction catalyst.
- the cation exchange resin catalyst is generally used after being filled in a fixed bed type reactor, but may be used as a fluidized bed.
- a known method using a cation exchange resin as a reaction catalyst can be employed as a reaction catalyst.
- the reaction raw materials are generally acetone and an excess of phenol, but a reaction accelerator may be added if necessary.
- the raw material acetone is directly used for sale, but the unreacted acetone in the reaction mixture is recovered by distillation or other means. Can be used.
- phenol As the raw phenol, commercially available industrial phenol may be used directly.However, an additive crystal of bisphenol A and phenol is precipitated from the reaction mixture by crystallization or the like, and the mother liquor is filtered. Can also be used.
- reaction accelerator thiol compounds such as methyl mercaptan, ethyl mercaptan, mercaptoethanol, and mercaptopropionic acid are used.
- the liquid space velocity (LHSV) when the cation exchange resin catalyst is charged into a fixed bed reactor as a catalyst is 0.1 to 20 Hr " ⁇ , preferably 0. SS Hr—
- the reaction temperature is 1. If the reaction temperature is too high, impurities are remarkably generated due to side reactions, which affects the quality of bisphenol A, and if the reaction temperature is low, the reaction rate increases. As a result, the production amount of bisphenol A decreases.Specifically, it is preferably 45 to 140 ° C., and more preferably 55 to 100 ° C.
- Acetone Z The phenol molar ratio is usually from 0.005 to 0.5, preferably from 0.01 to 0.3, and the reaction accelerator is added to the reaction raw materials at about 0.01 to 2%. Good.
- a common method of recovering bisphenol A from a reaction mixture is to separate low-boiling substances such as acetate, water, and reaction accelerator from the reaction mixture by means such as distillation, and then add bisphenol A and phenol.
- the product crystals are precipitated, the adduct crystals and the mother liquor are separated by means such as passing over, and the resulting adduct crystals are subjected to dephenol treatment.
- the copolymer particles were recovered from the mixture after the polymerization, and 30 g of the air-dried mixture was placed in a 30-Oml four-necked flask equipped with a stirrer and a cooler, and then 60 g of water and nitro. 150 g of benzene was added and the mixture was stirred at 70 ° C. for 2 hours to swell the copolymer. The copolymer after swelling was recovered, and the whole was air-dried. The whole amount was placed in a 300 ml 4-fluoro flask equipped with a stirrer and a cooler, and 150 g of concentrated sulfuric acid was added. C. The mixture was heated under stirring for 10 hours to perform sulfonation. After the reaction, the sulfonated copolymer was separated by filtration and washed with 1200 g of water.
- the total exchange capacity of the sulfonic acid type cation exchange resin thus obtained was 1.31 meqZml-R. Further, as a result of a crushing test of 100 resins having a particle diameter of 600 ⁇ , the Schatilone value was found to be 450 g / particle.
- a reaction for producing bisphenol A was performed. That is, low-boiling substances such as acetone, water, and ethyl mercaptan are distilled off from the reaction mixture obtained by reacting phenol and acetone with ethyl mercaptan as a reaction accelerator to produce bisphenol A.
- a sulfonic acid-type cation exchange resin was produced in the same manner as in Example 1 except that 0.7 g of a crosslinking agent solution containing 7 g, 57% of divinylbenzene, and 43% of butylethylbenzene was used. .
- the total exchange capacity of this cation exchange resin was 1.29 meqZml-R. Further, as a result of a crushing test of 100 resins having a particle diameter of 600 ⁇ m, the Schatilon value was 43 Og / particle.
- a raw material monomer for copolymer production was prepared by preparing a cross-linking agent solution containing 45.5 g of styrene, 52% of divinyl biphenyl, 30% of buretinorebiphenyl and 18% of vinyl biphenyl. g, dibutylbenzene 5
- a sulfonic acid type cation exchange resin was produced in the same manner as in Example 1 except that the cross-linking agent solution containing 7% and 43% of burethylbenzene was used in an amount of 2.1 g.
- the total exchange capacity of this cation exchange resin is 1.2
- a raw material monomer for copolymer production was prepared by adding a cross-linking agent solution containing 45.9 g of styrene, 52% of divinyl biphenylinole, 30% of buretinorebiphenyl, and 18% of vinylylphenyl to 1 .3 g, dibutylbenzene 5
- a sulfonic acid type cation exchange resin was produced in the same manner as in Example 1 except that 2.8 g of a crosslinking agent solution containing 7% and 43% of burethylbenzene was used.
- the total exchange capacity of this cation exchange resin was 1.27 meqZnd-R.
- the Shatilon value was 44 Og
- a raw material monomer for copolymer production was prepared by mixing a cross-linking agent solution containing 46.2 g of styrene, 52% of dibutyl biphenyl, 30% of vinylethyl biphenyl, and 18% of vinyl biphenyl, with 0.6 g of a crosslinking agent solution.
- a sulfonic acid type cation exchange resin was produced in the same manner as in Example 1, except that 3.2 g of a cross-linking agent solution containing 57% of dibierbenzene and 43% of burethylbenzene was used.
- the total exchange capacity of this cation exchange resin was 1.25 meq / ml-R.
- the Schatilon value was 39 O gZ particles.
- Example 1 was repeated except that the raw material monomer for producing the copolymer was 3.5 g of a crosslinking agent solution containing 46.5 g of styrene, 57% of dibutylbenzene and 43% of butylethylbenzene. The same operation was performed to produce a sulfonic acid type cation exchange resin. The total exchange capacity of this cation exchange resin was 1.24 meq / ml-R. In addition, as a result of a pressing test of 100 resins having a particle diameter of 600 ⁇ m, the killer mouth value was 380 g Z particles.
- Example 2 The reaction was carried out in the same manner as in Example 1, except that the sulfonic acid type cation exchange resin obtained in Examples 2 to 4 and Comparative Examples 1 and 2 was used as a cation exchange resin catalyst.
- the cation exchange resin catalysts of the above examples and comparative examples are shown in Table 1 with the molar ratio of divinyl bifin / dibielbenzene (DVBP / DVB), shachilone value, total exchange capacity per 1 m1 of wet resin, and the reaction results. .
- the sulfonic acid type cation exchange resin catalyst developed according to the present invention not only has a longer service life than the conventional styrene dibutylbenzene type cation exchange resin catalyst, but also has the advantage of being filled in a flow-through reactor. Since the pressure loss can be reduced, the productivity of bisphenol A can be further improved.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99926773A EP1097915B1 (en) | 1998-06-26 | 1999-06-23 | Process for producing bisphenol a |
DE69911971T DE69911971T2 (de) | 1998-06-26 | 1999-06-23 | Verfahren zur herstellung von bisphenol |
US09/701,485 US6329556B1 (en) | 1998-06-26 | 1999-06-23 | Process for preparing bisphenol A |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/196540 | 1998-06-26 | ||
JP19654098 | 1998-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000000454A1 true WO2000000454A1 (fr) | 2000-01-06 |
Family
ID=16359445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003348 WO2000000454A1 (fr) | 1998-06-26 | 1999-06-23 | Procede de production de bisphenol a |
Country Status (4)
Country | Link |
---|---|
US (1) | US6329556B1 (ja) |
EP (1) | EP1097915B1 (ja) |
DE (1) | DE69911971T2 (ja) |
WO (1) | WO2000000454A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002083771A1 (fr) * | 2001-04-13 | 2002-10-24 | Organo Corporation | Echangeur d'ions |
WO2005026237A1 (ja) | 2003-09-10 | 2005-03-24 | Mitsui Chemicals, Inc. | ビスフェノールaの製造方法 |
KR100874869B1 (ko) * | 2000-12-29 | 2008-12-19 | 롬 앤드 하스 캄파니 | 고생산성 비스페놀-a 촉매 |
JP2010247010A (ja) * | 2009-04-10 | 2010-11-04 | Mitsubishi Chemicals Corp | ビスフェノール化合物製造用強酸性イオン交換樹脂触媒及び、それを用いたビスフェノール化合物の製造方法 |
US8436055B2 (en) | 2003-09-30 | 2013-05-07 | Mitsui Chemicals, Inc. | Modified acidic ion-exchange resin and method for preparing bisphenol |
Families Citing this family (12)
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TW501941B (en) * | 1999-03-29 | 2002-09-11 | Nippon Steel Chemical Co | Cationic exchange resin |
US6620939B2 (en) * | 2001-09-18 | 2003-09-16 | General Electric Company | Method for producing bisphenol catalysts and bisphenols |
US6703530B2 (en) | 2002-02-28 | 2004-03-09 | General Electric Company | Chemical reactor system and process |
US8735634B2 (en) | 2011-05-02 | 2014-05-27 | Sabic Innovative Plastics Ip B.V. | Promoter catalyst system with solvent purification |
US9290618B2 (en) | 2011-08-05 | 2016-03-22 | Sabic Global Technologies B.V. | Polycarbonate compositions having enhanced optical properties, methods of making and articles comprising the polycarbonate compositions |
WO2013116697A1 (en) | 2012-02-03 | 2013-08-08 | Sabic Innovative Plastics Ip B.V. | Light emitting diode device and method for production thereof containing conversion material chemistry |
CN104144902A (zh) | 2012-02-29 | 2014-11-12 | 沙特基础创新塑料Ip私人有限责任公司 | 用于生产低硫双酚a的方法、用于生产聚碳酸酯的方法以及由聚碳酸酯制作的制品 |
US9287471B2 (en) | 2012-02-29 | 2016-03-15 | Sabic Global Technologies B.V. | Polycarbonate compositions containing conversion material chemistry and having enhanced optical properties, methods of making and articles comprising the same |
US9346949B2 (en) | 2013-02-12 | 2016-05-24 | Sabic Global Technologies B.V. | High reflectance polycarbonate |
CN104918992B9 (zh) | 2012-10-25 | 2017-05-24 | 沙特基础全球技术有限公司 | 发光二极管装置、制造方法、其应用 |
WO2014186548A1 (en) | 2013-05-16 | 2014-11-20 | Sabic Innovative Plastics Ip B.V. | Branched polycarbonate compositions having conversion material chemistry and articles thereof |
EP3004234B1 (en) | 2013-05-29 | 2021-08-18 | SABIC Global Technologies B.V. | Illuminating devices with color stable thermoplastic light-transmitting articles |
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JPH0232032A (ja) * | 1988-07-19 | 1990-02-01 | Showa Denko Kk | 3,3′‐ジビニルビフェニル |
JPH0632755A (ja) * | 1992-07-14 | 1994-02-08 | Idemitsu Petrochem Co Ltd | 2,2−ビス(4−ヒドロキシフェニル)プロパンの製造方法 |
JPH06320009A (ja) * | 1993-04-13 | 1994-11-22 | Bayer Ag | ビスフエノール a合成用に最適化されたイオン交換樹脂床 |
JPH08269137A (ja) * | 1995-03-31 | 1996-10-15 | Nippon Steel Chem Co Ltd | スチレン系樹脂の製造方法 |
JPH10139696A (ja) * | 1996-11-08 | 1998-05-26 | Nippon Steel Chem Co Ltd | ジビニルビフェニルの分離方法 |
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US2366007A (en) * | 1942-08-11 | 1944-12-26 | Gen Electric | Production of synthetic polymeric compositions comprising sulphonated polymerizates of poly-vinyl aryl compounds and treatment of liquid media therewith |
US2462555A (en) * | 1945-11-24 | 1949-02-22 | Rca Corp | Copolymers of styrene and 4,4'-divinyl-biphenyl |
GB937072A (ja) * | 1958-10-20 | |||
GB1539184A (en) * | 1975-08-01 | 1979-01-31 | Shell Int Research | Cation-exchange resins |
JPH0892322A (ja) * | 1994-07-28 | 1996-04-09 | Nippon Steel Chem Co Ltd | 樹脂架橋体 |
CN1038395C (zh) * | 1994-10-25 | 1998-05-20 | 中国石油化工总公司 | 合成双酚用离子交换树脂催化剂及其制备 |
JPH11179218A (ja) * | 1997-12-19 | 1999-07-06 | Mitsubishi Chemical Corp | イオン交換樹脂 |
US6221248B1 (en) * | 1998-03-23 | 2001-04-24 | Ionics Incorporated | Styrene sulfonate cation exchange membrane |
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1999
- 1999-06-23 DE DE69911971T patent/DE69911971T2/de not_active Expired - Fee Related
- 1999-06-23 WO PCT/JP1999/003348 patent/WO2000000454A1/ja active IP Right Grant
- 1999-06-23 EP EP99926773A patent/EP1097915B1/en not_active Expired - Lifetime
- 1999-06-23 US US09/701,485 patent/US6329556B1/en not_active Expired - Fee Related
Patent Citations (5)
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JPH0232032A (ja) * | 1988-07-19 | 1990-02-01 | Showa Denko Kk | 3,3′‐ジビニルビフェニル |
JPH0632755A (ja) * | 1992-07-14 | 1994-02-08 | Idemitsu Petrochem Co Ltd | 2,2−ビス(4−ヒドロキシフェニル)プロパンの製造方法 |
JPH06320009A (ja) * | 1993-04-13 | 1994-11-22 | Bayer Ag | ビスフエノール a合成用に最適化されたイオン交換樹脂床 |
JPH08269137A (ja) * | 1995-03-31 | 1996-10-15 | Nippon Steel Chem Co Ltd | スチレン系樹脂の製造方法 |
JPH10139696A (ja) * | 1996-11-08 | 1998-05-26 | Nippon Steel Chem Co Ltd | ジビニルビフェニルの分離方法 |
Non-Patent Citations (1)
Title |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100874869B1 (ko) * | 2000-12-29 | 2008-12-19 | 롬 앤드 하스 캄파니 | 고생산성 비스페놀-a 촉매 |
WO2002083771A1 (fr) * | 2001-04-13 | 2002-10-24 | Organo Corporation | Echangeur d'ions |
US7026364B2 (en) | 2001-04-13 | 2006-04-11 | Organo Corporation | Ion exchanger |
WO2005026237A1 (ja) | 2003-09-10 | 2005-03-24 | Mitsui Chemicals, Inc. | ビスフェノールaの製造方法 |
US8263521B2 (en) | 2003-09-10 | 2012-09-11 | Mitsui Chemicals, Inc. | Process for producing bisphenol A |
US8436055B2 (en) | 2003-09-30 | 2013-05-07 | Mitsui Chemicals, Inc. | Modified acidic ion-exchange resin and method for preparing bisphenol |
JP2010247010A (ja) * | 2009-04-10 | 2010-11-04 | Mitsubishi Chemicals Corp | ビスフェノール化合物製造用強酸性イオン交換樹脂触媒及び、それを用いたビスフェノール化合物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1097915A4 (en) | 2002-07-17 |
DE69911971T2 (de) | 2004-07-22 |
EP1097915A1 (en) | 2001-05-09 |
DE69911971D1 (de) | 2003-11-13 |
US6329556B1 (en) | 2001-12-11 |
EP1097915B1 (en) | 2003-10-08 |
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