ES2061461T3 - Procedimiento para la obtencion de acido polimaleico. - Google Patents
Procedimiento para la obtencion de acido polimaleico.Info
- Publication number
- ES2061461T3 ES2061461T3 ES87113592T ES87113592T ES2061461T3 ES 2061461 T3 ES2061461 T3 ES 2061461T3 ES 87113592 T ES87113592 T ES 87113592T ES 87113592 T ES87113592 T ES 87113592T ES 2061461 T3 ES2061461 T3 ES 2061461T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- obtaining
- acid
- polymaleic acid
- polymerization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/02—Acids; Metal salts or ammonium salts thereof, e.g. maleic acid or itaconic acid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerization Catalysts (AREA)
Abstract
PROCEDIMIENTO PARA OBTENCION DE ACIDO POLIMALEICO POR POLIMERIZACION DE ANHIDRIDO DE ACIDO MALEICO EN UN HIDROCARBURO AROMATICO A TEMPERATURAS DE 60 A 200 GRADOS CENTIGRADOS MEDIANTE APLICACION DE 1 A 20% EN PESO, RELATIVO AL ANHIDRIDO MALEICO DE PEROXIESTERES QUE SE SEPARAN CON ACIDOS CARBOXILICOS SATURADOS O INSATURADOS ETILENICAMENTE COMO INICIADORES DE POLIMERIZACION E HIDROLIZACION DE LOS POLIMERIZADOS, EL ACIDO POLIMALEICO ASI COMO APLICACION DEL ACIDO POLIMALEICO COMO AGENTE PARA DISMINUCION DE LA INCRUSTACION QUIMICA Y DE LA DUREZA DEL AGUA EN SISTEMAS DE CONDUCCION DE AGUA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863631815 DE3631815A1 (de) | 1986-09-19 | 1986-09-19 | Verfahren zur herstellung von polymaleinsaeure |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2061461T3 true ES2061461T3 (es) | 1994-12-16 |
Family
ID=6309872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES87113592T Expired - Lifetime ES2061461T3 (es) | 1986-09-19 | 1987-09-17 | Procedimiento para la obtencion de acido polimaleico. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4818795A (es) |
EP (1) | EP0261589B1 (es) |
JP (1) | JPS6377906A (es) |
CA (1) | CA1268774A (es) |
DE (2) | DE3631815A1 (es) |
ES (1) | ES2061461T3 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5135677A (en) * | 1988-04-11 | 1992-08-04 | Nippon Shokubai Co., Ltd. | Process for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymer |
AU629898B2 (en) * | 1989-02-14 | 1992-10-15 | Fmc Corporation (Uk) Limited | Polymerisation of maleic anhydride |
US5156744A (en) * | 1989-02-14 | 1992-10-20 | Fmc Corporation | Process for inhibiting scale using maleic anhydride polymerized in reactive aromatic hydrocarbons |
DE4239076A1 (de) * | 1992-11-20 | 1994-05-26 | Basf Ag | Mischungen aus Polymerisaten von monoethylenisch ungesättigten Dicarbonsäuren und Polymerisaten ethylenisch ungesättigter Monocarbonsäuren und/oder Polyaminocarbonsäuren und ihre Verwendung |
DE4328817A1 (de) * | 1993-08-27 | 1995-03-02 | Basf Ag | Wasserlösliche, Carboxylgruppen enthaltende Copolymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung als Scaleinhibitor |
DE19503546A1 (de) * | 1995-02-03 | 1996-08-08 | Basf Ag | Wasserlösliche oder wasserdispergierbare Pfropfpolymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung |
WO1997016464A1 (de) * | 1995-10-27 | 1997-05-09 | Basf Aktiengesellschaft | Verwendung von polycarbonsäurehalbamiden als scale-inhibitoren |
US5698132A (en) * | 1995-12-01 | 1997-12-16 | Chemgard, Inc. | Process for stabilizing inorganic salts |
US6001940A (en) * | 1997-03-18 | 1999-12-14 | Rohm And Haas Company | Process for preparing anhydride polymers |
PL1831414T3 (pl) | 2004-12-24 | 2011-12-30 | Basf Se | Zastosowanie niejonowych środków powierzchniowo czynnych do otrzymywania metali |
US8038883B2 (en) * | 2005-02-18 | 2011-10-18 | Akzo Nobel N.V. | Process to prepare salt |
US8143204B2 (en) * | 2007-05-04 | 2012-03-27 | Ecolab Usa Inc. | Mg++ chemistry and method for fouling inhibition in heat processing of liquid foods and industrial processes |
US8247363B2 (en) * | 2007-05-04 | 2012-08-21 | Ecolab Usa Inc. | MG++ chemistry and method for fouling inhibition in heat processing of liquid foods and industrial processes |
EP2014723A1 (de) | 2007-07-11 | 2009-01-14 | Basf Se | Verfahren zur Herstellung von Korkformkörpern |
BR112013002486A2 (pt) | 2010-08-03 | 2016-05-31 | Basf Se | "uso de compostos, fluido de suporte, uso de um fluido de suporte, métodos para cortar pastilhas, e para polir materiais, pastilha, e, composto" |
SG10201606190WA (en) | 2012-02-01 | 2016-09-29 | Basf Se | Cooling and/or lubricating fluids for wafer production |
CN111072828A (zh) * | 2019-12-06 | 2020-04-28 | 南通联膦化工有限公司 | 一种水解聚马来酸酐的合成方法 |
WO2023042157A1 (en) | 2021-09-16 | 2023-03-23 | King Abdullah University Of Science And Technology | Methods for synthesis of dye-labeled polymers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3557065A (en) * | 1969-09-29 | 1971-01-19 | Fmc Corp | Process for preparation of poly(maleic acid) |
US4097408A (en) * | 1977-01-06 | 1978-06-27 | Pennwalt Corporation | Diperoxyester mixture prepared by reacting dihydroperoxides and carbonyls |
US4283499A (en) * | 1978-10-13 | 1981-08-11 | Rohm And Haas Company | Resins |
US4429092A (en) * | 1982-12-06 | 1984-01-31 | U.S. Peroxygen Company | Room temperature polymerization of acrylate monomers with peroxyesters |
GB8502499D0 (en) * | 1985-01-31 | 1985-03-06 | Ciba Geigy Ag | Hydrolysed polymaleic anhydride |
US4705888A (en) * | 1985-09-30 | 1987-11-10 | Akzo Nv | t-Alkenyl peroxy esters |
-
1986
- 1986-09-19 DE DE19863631815 patent/DE3631815A1/de not_active Withdrawn
-
1987
- 1987-09-01 CA CA000545856A patent/CA1268774A/en not_active Expired - Lifetime
- 1987-09-03 US US07/092,852 patent/US4818795A/en not_active Expired - Lifetime
- 1987-09-16 JP JP62229951A patent/JPS6377906A/ja active Pending
- 1987-09-17 DE DE87113592T patent/DE3789083D1/de not_active Expired - Lifetime
- 1987-09-17 ES ES87113592T patent/ES2061461T3/es not_active Expired - Lifetime
- 1987-09-17 EP EP87113592A patent/EP0261589B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0261589A2 (de) | 1988-03-30 |
DE3631815A1 (de) | 1988-03-31 |
US4818795A (en) | 1989-04-04 |
DE3789083D1 (de) | 1994-03-24 |
CA1268774A (en) | 1990-05-08 |
EP0261589B1 (de) | 1994-02-16 |
EP0261589A3 (en) | 1990-03-07 |
JPS6377906A (ja) | 1988-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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