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DE69727387D1 - Polyacrylamid polymerisation - Google Patents

Polyacrylamid polymerisation

Info

Publication number
DE69727387D1
DE69727387D1 DE69727387T DE69727387T DE69727387D1 DE 69727387 D1 DE69727387 D1 DE 69727387D1 DE 69727387 T DE69727387 T DE 69727387T DE 69727387 T DE69727387 T DE 69727387T DE 69727387 D1 DE69727387 D1 DE 69727387D1
Authority
DE
Germany
Prior art keywords
polymerisation
polyacrylamide
polyacrylamide polymerisation
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
Application number
DE69727387T
Other languages
English (en)
Other versions
DE69727387T2 (de
Inventor
Irene Reekmans
Phillip Cornet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Croda International PLC
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE69727387D1 publication Critical patent/DE69727387D1/de
Application granted granted Critical
Publication of DE69727387T2 publication Critical patent/DE69727387T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
    • 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
    • C08F20/00—Homopolymers and 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
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F20/56—Acrylamide; Methacrylamide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE69727387T 1996-09-03 1997-08-22 Polyacrylamid polymerisation Expired - Lifetime DE69727387T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9618332.2A GB9618332D0 (en) 1996-09-03 1996-09-03 Polyacrylamide polymerisation
GB9618332 1996-09-03
PCT/GB1997/002255 WO1998009998A1 (en) 1996-09-03 1997-08-22 Polyacrylamide polymerisation

Publications (2)

Publication Number Publication Date
DE69727387D1 true DE69727387D1 (de) 2004-03-04
DE69727387T2 DE69727387T2 (de) 2004-11-25

Family

ID=10799313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69727387T Expired - Lifetime DE69727387T2 (de) 1996-09-03 1997-08-22 Polyacrylamid polymerisation

Country Status (16)

Country Link
US (1) US6686417B1 (de)
EP (1) EP0923611B1 (de)
JP (1) JP2001500544A (de)
KR (1) KR20000068408A (de)
CN (1) CN1121427C (de)
AR (1) AR008160A1 (de)
AT (1) ATE258564T1 (de)
AU (1) AU721922B2 (de)
BR (1) BR9711984A (de)
CA (1) CA2263463A1 (de)
CO (1) CO5021155A1 (de)
DE (1) DE69727387T2 (de)
GB (1) GB9618332D0 (de)
MX (1) MX9902139A (de)
WO (1) WO1998009998A1 (de)
ZA (1) ZA977672B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010108456A (ko) 1999-04-07 2001-12-07 에프. 아. 프라저, 에른스트 알테르 (에. 알테르), 한스 페터 비틀린 (하. 페. 비틀린), 피. 랍 보프, 브이. 스펜글러, 페. 아에글러 액체 분산 중합체 조성물, 이의 제조방법 및 이의 용도
CN100354321C (zh) * 2002-12-18 2007-12-12 大连广汇化学有限公司 低成本聚丙烯酰胺纳米微乳液制备方法
US7776958B2 (en) * 2004-06-30 2010-08-17 Nalco Company Inverse emulsion polymer and method of use thereof
CN100384896C (zh) * 2006-04-29 2008-04-30 沈阳化工学院 丙烯酰胺-丙烯酸钠聚合物纳米粒子微乳液的制备方法
US20070286839A1 (en) * 2006-06-05 2007-12-13 Soraya Rohde Composition comprising jojoba carboxylates in combination with jojoba alcohol and cosmetic formulation comprising same
JP2012507286A (ja) * 2008-11-04 2012-03-29 ダウ アグロサイエンシィズ エルエルシー オメガ９品質カラシナ
US9428630B2 (en) 2009-06-19 2016-08-30 Exacto, Inc. Water-in-oil polyacrylamide-based microemulsions and related methods
US9307758B2 (en) 2009-06-19 2016-04-12 Exacto, Inc. Polyacrylamide based agricultural compositions
US9309378B2 (en) 2009-06-19 2016-04-12 Exacto, Inc. Emulsion compositions comprising polyacrylamide copolymer and ethylene oxide—propylene oxide copolymer
GB0922624D0 (en) * 2009-12-24 2010-02-10 Croda Int Plc Inverse emulsions
EP2666789A1 (de) * 2012-05-21 2013-11-27 Basf Se Umgekehrte Dispersion mit einem anionischen oder einem nichtionischen Polymer und einem Stabilisierungsmittel
ES2654614T3 (es) 2012-05-21 2018-02-14 Basf Se Dispersión inversa que comprende un polímero catiónico y un agente de estabilización
US20150223483A1 (en) 2012-09-11 2015-08-13 Dow Agrosciences Llc Omega-9 canola oil blended with dha
WO2014153453A1 (en) 2013-03-20 2014-09-25 The Procter & Gamble Company Articles of manufacture comprising water-soluble polymer particles and processes for making same
WO2014158175A1 (en) * 2013-03-28 2014-10-02 Exacto, Inc. Emulsion compositions comprising polyacylamide copolymer and ethylene oxide-propylene oxide copolymer
US9492808B2 (en) * 2014-09-23 2016-11-15 The Procter & Gamble Company Absorbent fibrous structures comprising a polymeric fluid comprising a soil adsorbing agent
FR3032700B1 (fr) * 2015-02-12 2021-01-22 Snf Sas Procede pour le traitement de suspensions de particules solides dans l'eau a l'aide de polymeres amphoteres
US20160236172A1 (en) 2015-02-18 2016-08-18 The Procter & Gamble Company Absorbent Fibrous Structures Comprising a Soil Absorbing Agent and a Detackifier
AR106581A1 (es) 2015-11-04 2018-01-31 Ecolab Usa Inc Composiciones reductoras de fricción formuladas con salmuera de alta concentración
CN106007128B (zh) * 2016-07-28 2019-04-12 安徽莱茵河科创服务有限公司 一种含磷含油废水的处理方法
CA3115384A1 (en) 2018-10-11 2020-04-16 Rhodia Operations Polymer dispersion by controlled radical polymerization
WO2020186182A1 (en) 2019-03-14 2020-09-17 Exacto, Inc. Transparent or semitransparent inverse microlatices of polyacrylamide as oil emulsion drift reducing agent
US12398218B2 (en) 2019-11-14 2025-08-26 Cargill Bioindustrial Uk Limited Emulsion polymerisation
US10961662B1 (en) 2019-12-23 2021-03-30 Polymer Ventures, Inc. Ash retention additive and methods of using the same
WO2021188577A1 (en) 2020-03-17 2021-09-23 Championx Usa Inc. Continuous inverse emulsion polymerization process for uniform polymer size distribution

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151304A (en) * 1976-11-05 1979-04-24 Lever Brothers Company Method and composition for moisturizing the skin
DE2862369D1 (en) * 1977-07-12 1984-03-08 Ici Plc Linear or branched ester-ether block copolymers and their use as surfactants either alone or in blends with conventional surfactants
GB8522052D0 (en) * 1985-09-05 1985-10-09 Ici Plc Polymerisation process
EP0238210A3 (en) * 1986-03-14 1989-05-24 Imperial Chemical Industries Plc Solid explosive composition
US5232688A (en) * 1992-06-17 1993-08-03 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Self-tanner cosmetic compositions
DE4315172A1 (de) * 1993-05-07 1994-11-10 Basf Ag Wasser-in-Öl-Polymeremulsionen, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4418156A1 (de) * 1994-05-25 1995-11-30 Basf Ag Verfahren zur Herstellung von stabilen Wasser-in-Öl-Emulsionen von hydrolysierten Polymerisaten von N-Vinylamiden und ihre Verwendung

Also Published As

Publication number Publication date
AU721922B2 (en) 2000-07-20
CA2263463A1 (en) 1998-03-12
AR008160A1 (es) 1999-12-09
CO5021155A1 (es) 2001-03-27
GB9618332D0 (en) 1996-10-16
JP2001500544A (ja) 2001-01-16
CN1121427C (zh) 2003-09-17
CN1235613A (zh) 1999-11-17
KR20000068408A (ko) 2000-11-25
AU4023997A (en) 1998-03-26
EP0923611B1 (de) 2004-01-28
BR9711984A (pt) 1999-08-24
US6686417B1 (en) 2004-02-03
MX9902139A (es) 1999-09-01
ZA977672B (en) 1998-03-03
EP0923611A1 (de) 1999-06-23
DE69727387T2 (de) 2004-11-25
ATE258564T1 (de) 2004-02-15
WO1998009998A1 (en) 1998-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CRODA INTERNATIONAL PLC, GOOLE, EAST YORKSHIRE, GB