BR0312326A - Processo para a preparação de polìmeros absorventes de água contendo ìons ferro com baixo teor de monÈmero - Google Patents
Processo para a preparação de polìmeros absorventes de água contendo ìons ferro com baixo teor de monÈmeroInfo
- Publication number
- BR0312326A BR0312326A BR0312326-0A BR0312326A BR0312326A BR 0312326 A BR0312326 A BR 0312326A BR 0312326 A BR0312326 A BR 0312326A BR 0312326 A BR0312326 A BR 0312326A
- Authority
- BR
- Brazil
- Prior art keywords
- absorbent polymers
- water
- preparation
- iron ions
- containing low
- Prior art date
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
- C08F22/04—Anhydrides, e.g. cyclic anhydrides
- C08F22/06—Maleic anhydride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions of homopolymers or 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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
"PROCESSO PARA A PREPARAçãO DE POLìMEROS ABSORVENTES DE áGUA CONTENDO ìONS FERRO COM BAIXO TEOR DE MONÈMERO". Reduz-se o conteúdo de monómero residual de polímeros absorventes de água contendo carboxila usando íons ferro.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39270602P | 2002-06-26 | 2002-06-26 | |
PCT/US2003/015940 WO2004003036A1 (en) | 2002-06-26 | 2003-05-19 | Process for the preparation of iron ion containing water-absorbent polymers with low residual monomer content |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0312326A true BR0312326A (pt) | 2005-04-12 |
Family
ID=30000924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0312326-0A BR0312326A (pt) | 2002-06-26 | 2003-05-19 | Processo para a preparação de polìmeros absorventes de água contendo ìons ferro com baixo teor de monÈmero |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050154146A1 (pt) |
EP (1) | EP1519966A1 (pt) |
JP (1) | JP2005530906A (pt) |
KR (1) | KR20050019793A (pt) |
CN (1) | CN1310976C (pt) |
AU (1) | AU2003245301A1 (pt) |
BR (1) | BR0312326A (pt) |
WO (1) | WO2004003036A1 (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1568718A1 (en) * | 2004-02-19 | 2005-08-31 | Waltech AG | Method of modifying polyacrylates for obtaining high molecular polymers and the polymers obtained |
TWI353360B (en) * | 2005-04-07 | 2011-12-01 | Nippon Catalytic Chem Ind | Production process of polyacrylic acid (salt) wate |
TWI394789B (zh) | 2005-12-22 | 2013-05-01 | Nippon Catalytic Chem Ind | 吸水性樹脂組成物及其製造方法、吸收性物品 |
EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
DE602007003397D1 (de) * | 2006-03-29 | 2010-01-07 | Nippon Catalytic Chem Ind | Verfahren zur Herstellung von wasserabsorbierendem Polyacrylsäure (Salz)-Harz |
JP5453101B2 (ja) * | 2006-12-13 | 2014-03-26 | コリア リサーチ インスティテュート オブ ケミカル テクノロジー | 多孔性有・無機混成体及びこれを含有する吸着剤 |
US8357766B2 (en) | 2008-10-08 | 2013-01-22 | Evonik Stockhausen Gmbh | Continuous process for the production of a superabsorbent polymer |
US8063121B2 (en) | 2008-10-08 | 2011-11-22 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US8048942B2 (en) | 2008-10-08 | 2011-11-01 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
TWI449732B (zh) * | 2009-06-29 | 2014-08-21 | Formosa Plastics Corp | 一種高吸水性樹脂之製造方法 |
WO2011040472A1 (ja) | 2009-09-29 | 2011-04-07 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
EP2371869A1 (en) | 2010-03-30 | 2011-10-05 | Evonik Stockhausen GmbH | A process for the production of a superabsorbent polymer |
WO2012081702A1 (ja) * | 2010-12-17 | 2012-06-21 | 株式会社日本触媒 | ポリアクリル酸(塩)系吸水性樹脂及びその製造方法 |
WO2015111055A1 (en) | 2014-01-23 | 2015-07-30 | Bar Ilan University | Polyamide nanoparticles and uses thereof |
CN107722163B (zh) * | 2017-11-09 | 2021-06-29 | 万华化学集团股份有限公司 | 丙烯酸吸水性树脂及低可溶性组分的吸水性树脂及其应用 |
CN111233119A (zh) * | 2018-03-19 | 2020-06-05 | 湖南辰砾新材料有限公司 | 一种水处理用絮凝剂 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2706135C2 (de) * | 1977-02-14 | 1982-10-28 | Chemische Fabrik Stockhausen GmbH, 4150 Krefeld | Verdickungsmittel für ausgeschiedenen Darminhalt und Harn |
US4286082A (en) * | 1979-04-06 | 1981-08-25 | Nippon Shokubai Kagaku Kogyo & Co., Ltd. | Absorbent resin composition and process for producing same |
JPS6025045B2 (ja) * | 1980-03-19 | 1985-06-15 | 製鉄化学工業株式会社 | 塩水吸収能のすぐれたアクリル酸重合体の製造方法 |
JPS5819361A (ja) * | 1981-07-27 | 1983-02-04 | Kanegafuchi Chem Ind Co Ltd | 1液型室温硬化性組成物 |
JPS58180233A (ja) * | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
US4734478A (en) * | 1984-07-02 | 1988-03-29 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Water absorbing agent |
US4659793A (en) * | 1986-03-03 | 1987-04-21 | Alco Chemical Corporation | Preparation of aqueous solutions of copolymers of dicarboxylic acids having a low dicarboxylic acid monomer content |
GB8910788D0 (en) * | 1989-05-10 | 1989-06-28 | Allied Colloids Ltd | Absorbent products and their manufacture |
EP0268498B1 (en) * | 1986-11-20 | 1992-10-21 | Ciba Specialty Chemicals Water Treatments Limited | Absorbent products and their manufacture |
US4766173A (en) * | 1987-05-11 | 1988-08-23 | Nalco Chemical Company | Method for reducing residual acrylic acid in acrylic acid polymer gels |
DE3724709A1 (de) * | 1987-07-25 | 1989-02-02 | Stockhausen Chem Fab Gmbh | Verfahren zur herstellung von polymerisaten mit niedrigem restmonomergehalt |
US5145906A (en) * | 1989-09-28 | 1992-09-08 | Hoechst Celanese Corporation | Super-absorbent polymer having improved absorbency properties |
JPH0768316B2 (ja) * | 1990-09-07 | 1995-07-26 | 三洋化成工業株式会社 | 吸水性樹脂の製造法 |
ATE165751T1 (de) * | 1991-03-19 | 1998-05-15 | Dow Chemical Co | Runzelige absorbentpartikel mit grosser effektiver oberfläche und hoher aufnahmegeschwindigkeit |
US5342899A (en) * | 1991-05-16 | 1994-08-30 | The Dow Chemical Company | Process for recycling aqueous fluid absorbents fines to a polymerizer |
JP3155294B2 (ja) * | 1991-06-20 | 2001-04-09 | 三菱化学株式会社 | 高吸水性ポリマーの製造法 |
US5228488A (en) * | 1992-04-13 | 1993-07-20 | Fletcher Scott W | Dispensing measuring funnel |
EP0605215B1 (en) * | 1992-12-25 | 1998-03-25 | Nippon Shokubai Co., Ltd. | Absorbent and method for production of absorbent resin |
US5629377A (en) * | 1993-03-10 | 1997-05-13 | The Dow Chemical Company | Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation |
AU4276893A (en) * | 1993-03-29 | 1994-10-24 | Dow Chemical Company, The | Absorbent polymer having reduced dusting tendencies |
WO1998049221A1 (en) * | 1997-04-29 | 1998-11-05 | The Dow Chemical Company | Superabsorbent polymers having improved processability |
-
2003
- 2003-05-19 BR BR0312326-0A patent/BR0312326A/pt not_active IP Right Cessation
- 2003-05-19 AU AU2003245301A patent/AU2003245301A1/en not_active Abandoned
- 2003-05-19 US US10/517,572 patent/US20050154146A1/en not_active Abandoned
- 2003-05-19 JP JP2004517566A patent/JP2005530906A/ja active Pending
- 2003-05-19 CN CNB038150336A patent/CN1310976C/zh not_active Expired - Fee Related
- 2003-05-19 WO PCT/US2003/015940 patent/WO2004003036A1/en active Application Filing
- 2003-05-19 EP EP03738940A patent/EP1519966A1/en not_active Withdrawn
- 2003-05-19 KR KR20047021153A patent/KR20050019793A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2004003036A1 (en) | 2004-01-08 |
EP1519966A1 (en) | 2005-04-06 |
AU2003245301A1 (en) | 2004-01-19 |
US20050154146A1 (en) | 2005-07-14 |
CN1662567A (zh) | 2005-08-31 |
JP2005530906A (ja) | 2005-10-13 |
CN1310976C (zh) | 2007-04-18 |
KR20050019793A (ko) | 2005-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0312326A (pt) | Processo para a preparação de polìmeros absorventes de água contendo ìons ferro com baixo teor de monÈmero | |
EA200300717A1 (ru) | Гетероциклилиндазольные и -азаиндазольные соединения в качестве 5-гидрокситриптамин-6-лигандов | |
MA26207A1 (fr) | Compositions de traitement de l'eau. | |
MXPA03007140A (es) | Derivados de carbolina. | |
LU92520I2 (fr) | Bédaquiline, ou son sel d'addition d'acide ou de base pharmaceutiquement acceptable, y compris le fumarate de bédaquiline | |
DE60216233D1 (en) | Carbolinderivate | |
WO2005037327A3 (en) | Chlorine dioxide gel and associated methods | |
MXPA03002911A (es) | Compuestos quimicos. | |
MXPA02012076A (es) | Compuestos quimicos. | |
MXPA02012659A (es) | Derivados de pirazindiona condensados. | |
DE60123976D1 (de) | Titandioxidschlämme mit verbesserter stabilität | |
PL364088A1 (en) | Finely distributed stabilizing composition for polymers containing halogen | |
AU2001246600A1 (en) | Use of comt inhibitors as analgesics | |
PT1252343E (pt) | Processo para o tratamento de escorias ou misturas de escorias sobre um banho de ferro | |
NO20003387L (no) | FremgangsmÕte for Õ redusere aox-nivÕet av vÕtstyrkeharpikser ved behandling med base | |
BR0012921A (pt) | Compostos calcilìticos | |
ATE205526T1 (de) | Wasserlöslicher, wasserenthärtender builder | |
EP1443918A4 (en) | CALCIUM-L-THREONATE FOR PREVENTING OR TREATING BONE FRACTURES | |
GB0027705D0 (en) | Novel compounds | |
DE60121048D1 (de) | PYRAZINOi1'2':1,6öPYRIDOi3,4-BöINDOLDERIVATE | |
DK1200158T3 (da) | Blanding til behandling af affaldsmateriale | |
GB2392838B (en) | Calcium L-threonate for preventing or treating cartilage related diseases | |
BR0108749A (pt) | Antagonistas de receptor il-8 | |
DK1368023T3 (da) | Anvendelse af buprenoprphin til behandling af urininkontinens | |
ATA3342001A (de) | Einrichtung zur physikalischen wasserbehandlung von trinkwasser |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A,6A E 7A ANUIDADES |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2064 DE 27/07/2010. |