IT1097305B - Processo per la rapida dissoluzione,di gel di polimeri idrosolubili mediante estrusione,tranciatura e infine dispersione sotto elevata forza di taglio - Google Patents

Processo per la rapida dissoluzione,di gel di polimeri idrosolubili mediante estrusione,tranciatura e infine dispersione sotto elevata forza di taglio

Info

Publication number
IT1097305B
IT1097305B IT26017/78A IT2601778A IT1097305B IT 1097305 B IT1097305 B IT 1097305B IT 26017/78 A IT26017/78 A IT 26017/78A IT 2601778 A IT2601778 A IT 2601778A IT 1097305 B IT1097305 B IT 1097305B
Authority
IT
Italy
Prior art keywords
shearing
extrusion
water soluble
under high
soluble polymer
Prior art date
Application number
IT26017/78A
Other languages
English (en)
Other versions
IT7826017A0 (it
Original Assignee
Hercules Inc
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 Hercules Inc filed Critical Hercules Inc
Publication of IT7826017A0 publication Critical patent/IT7826017A0/it
Application granted granted Critical
Publication of IT1097305B publication Critical patent/IT1097305B/it

Links

Classifications

    • 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
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/916—Hydrogel compositions
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/922—Flocculating, clarifying, or fining compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Colloid Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT26017/78A 1977-12-14 1978-07-24 Processo per la rapida dissoluzione,di gel di polimeri idrosolubili mediante estrusione,tranciatura e infine dispersione sotto elevata forza di taglio IT1097305B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/860,423 US4113688A (en) 1977-12-14 1977-12-14 Process for rapidly dissolving gels of water-soluble polymers by extrusion, cutting and then slurrying under high shearing forces

Publications (2)

Publication Number Publication Date
IT7826017A0 IT7826017A0 (it) 1978-07-24
IT1097305B true IT1097305B (it) 1985-08-31

Family

ID=25333203

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26017/78A IT1097305B (it) 1977-12-14 1978-07-24 Processo per la rapida dissoluzione,di gel di polimeri idrosolubili mediante estrusione,tranciatura e infine dispersione sotto elevata forza di taglio

Country Status (10)

Country Link
US (1) US4113688A (it)
JP (1) JPS5483949A (it)
AU (1) AU519626B2 (it)
CA (1) CA1102463A (it)
DE (1) DE2832661C2 (it)
FR (1) FR2411627B1 (it)
GB (1) GB2010288B (it)
IT (1) IT1097305B (it)
NO (1) NO153058C (it)
SE (1) SE425089B (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3041675A1 (de) * 1980-11-05 1982-06-09 Hoechst Ag, 6000 Frankfurt Verfahren zum loesen von granulaten aus polyacrylamidgelen in turbulenten stroemungen
US4358550A (en) * 1981-07-14 1982-11-09 Hercules Incorporated Process for preparation of aqueous solutions of water-soluble polymers
US4464493A (en) * 1982-09-13 1984-08-07 Copolymer Rubber & Chemical Corp. Process for dissolving EPM and EPDM polymers in oil
US4482704A (en) * 1982-11-22 1984-11-13 Marathon Oil Company Method and apparatus for multiple recycle polymer dilution
US4501828A (en) * 1983-01-20 1985-02-26 General Technology Applications,Inc. Dissolving water soluble polymers
US4534388A (en) * 1983-06-07 1985-08-13 Pall Corporation Dispersion system and method
US5110851A (en) * 1983-12-16 1992-05-05 Calgon Corporation Method for producing free-flowing, water-soluble polymer gels
US4666964A (en) * 1983-12-16 1987-05-19 Calgon Corporation Method for producing free-flowing water-soluble polymer gels
US4525509A (en) * 1983-12-16 1985-06-25 Calgon Corporation Method for producing free-flowing, water-soluble polymer gels
US4640622A (en) * 1984-03-12 1987-02-03 Diatec Polymers Dispersion of dry polymers into water
US4603156A (en) * 1984-03-12 1986-07-29 Diatec Polymers Method of dispersing dry, water-soluble polymers in water
US4529794A (en) * 1984-03-29 1985-07-16 Diatec Polymers Method of rapidly dissolving polymers in water
US4845192A (en) * 1984-03-29 1989-07-04 Diatec Polymers Method of rapidly dissolving polymer gels in water
US4874588A (en) * 1984-03-29 1989-10-17 Diatec Polymers Method and apparatus for rapidly dissolving polymers in water
US4759856A (en) * 1984-04-30 1988-07-26 Allied Colloids, Ltd. Flocculation processes
DE3422612A1 (de) * 1984-06-19 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur lagerstaettenbezogenen verbesserung der eigenschaften waessriger polymerloesungen, die zum polymerfluten dienen
US4605689A (en) * 1984-11-28 1986-08-12 American Cyanamid Company Preparation of aqueous polyacrylamide solutions for enhanced oil recovery
US4943378A (en) * 1985-04-25 1990-07-24 Allied Colloids Ltd. Flocculation processes
DE202780T1 (de) * 1985-04-25 1988-01-14 Allied Colloids Group Ltd., Bradford, Yorkshire Flockungsverfahren.
US4709767A (en) * 1986-01-06 1987-12-01 American Colloid Company Production process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additives
US4794140A (en) * 1986-01-06 1988-12-27 American Colloid Company Production process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additives
DE3644459A1 (de) * 1986-12-24 1988-07-07 Basf Ag Kontinuierliches verfahren zur herstellung von loesungen aus niederviskosen loesungsmitteln und hochviskosen, pastoesen produkten
US5135968A (en) * 1990-10-10 1992-08-04 Stranco, Ltd. Methods and apparatus for treating wastewater
US5316031A (en) * 1987-08-25 1994-05-31 Brazelton Carl L Valve with independent control of discharge through plurality of orifices
US5164429A (en) * 1987-08-25 1992-11-17 Stranco, Inc. Polymer activation apparatus
US5252635A (en) * 1987-08-25 1993-10-12 Stranco, Inc. Polymer activation method using two separate mixing zones
US5061456A (en) * 1987-08-25 1991-10-29 Stranco, Inc. Polymer activation apparatus
JP2689121B2 (ja) * 1988-02-10 1997-12-10 東レ・ダウコーニング・シリコーン株式会社 粘性液体水分散液の製造方法および装置
US5037881A (en) * 1989-10-30 1991-08-06 American Cyanamid Company Emulsified mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers
US5723548A (en) * 1988-12-19 1998-03-03 Cytec Technology Corp. Emulsified mannich acrylamide polymers
TW241279B (it) * 1991-02-01 1995-02-21 Catalyst co ltd
EP0510517A1 (en) * 1991-04-25 1992-10-28 Stranco Incorporated Method and apparatus for treating wastewater
US5338779A (en) * 1992-09-18 1994-08-16 Stranco, Inc Dry polymer activation apparatus and method
DE19846413A1 (de) * 1998-10-08 2000-04-13 Basf Ag Verfahren zur Herstellung von hydrophilen wasserquellbaren Polymeren sowie deren Verwendung
DE19846412A1 (de) * 1998-10-08 2000-04-13 Basf Ag Hydrophile hochquellfähige Hydrogele sowie Verfahren zu ihrer Herstellung und Verwendung
US6409926B1 (en) 1999-03-02 2002-06-25 United States Filter Corporation Air and water purification using continuous breakpoint halogenation and peroxygenation
US6143184A (en) 1999-03-02 2000-11-07 United States Filter Corporation Air and water purification using continuous breakpoint halogenation
DE19914116C2 (de) * 1999-03-23 2001-09-20 Mannesmann Ag Unterwasser-Granulator und Verfahren zur Granulierung thermoplastischer Kunststoffe
US6419817B1 (en) 2000-06-22 2002-07-16 United States Filter Corporation Dynamic optimization of chemical additives in a water treatment system
CA2413888A1 (en) 2000-06-22 2001-12-27 United States Filter Corporation Corrosion control utilizing a hydrogen peroxide donor
US6716359B1 (en) 2000-08-29 2004-04-06 United States Filter Corporation Enhanced time-based proportional control
US6620315B2 (en) 2001-02-09 2003-09-16 United States Filter Corporation System for optimized control of multiple oxidizer feedstreams
US6776926B2 (en) * 2001-08-09 2004-08-17 United States Filter Corporation Calcium hypochlorite of reduced reactivity
US6991735B2 (en) * 2002-02-26 2006-01-31 Usfilter Corporation Free radical generator and method
US7108781B2 (en) * 2002-02-26 2006-09-19 Usfilter Corporation Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals
WO2007146671A2 (en) * 2006-06-06 2007-12-21 Fluid Lines Ultaviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US10343939B2 (en) 2006-06-06 2019-07-09 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US9365436B2 (en) * 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Method of irradiating a liquid
US8753522B2 (en) * 2007-04-03 2014-06-17 Evoqua Water Technologies Llc System for controlling introduction of a reducing agent to a liquid stream
US9365435B2 (en) * 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Actinic radiation reactor
US8741155B2 (en) 2007-04-03 2014-06-03 Evoqua Water Technologies Llc Method and system for providing ultrapure water
US8961798B2 (en) * 2007-04-03 2015-02-24 Evoqua Water Technologies Llc Method for measuring a concentration of a compound in a liquid stream
US9725343B2 (en) 2007-04-03 2017-08-08 Evoqua Water Technologies Llc System and method for measuring and treating a liquid stream
FR2922123B1 (fr) * 2007-10-12 2010-03-12 Spcm Sa Installation pour la floculation de boues chargees de matieres en suspension, procede mettant en oeuvre l'installation
US8591730B2 (en) * 2009-07-30 2013-11-26 Siemens Pte. Ltd. Baffle plates for an ultraviolet reactor
EP2527301B1 (en) 2011-05-26 2016-04-27 Evoqua Water Technologies GmbH Method and arrangement for a water treatment
US9896617B2 (en) 2014-10-31 2018-02-20 Chevron U.S.A. Inc. Polymer compositions
CA2918564C (en) 2015-01-21 2023-09-19 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US11161762B2 (en) 2015-01-21 2021-11-02 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
EP3448552B1 (en) 2016-04-26 2022-06-08 Basf Se A process and apparatus for producing an aqueous polymer solution
CN107029631A (zh) * 2017-03-30 2017-08-11 浙江长城搅拌设备股份有限公司 管道切粒混合装置
WO2019081324A1 (en) 2017-10-25 2019-05-02 Basf Se METHOD AND APPARATUS FOR PRODUCING AQUEOUS POLYMER SOLUTIONS
WO2020216433A1 (en) 2019-04-23 2020-10-29 Basf Se A process and apparatus for producing aqueous compositions of water-soluble polymers
MX2022013863A (es) 2020-05-04 2022-11-30 Basf Se Un proceso y un aparato para producir composiciones acuosas de polimeros hidrosolubles.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282874A (en) * 1963-12-30 1966-11-01 Dow Chemical Co Method for dissolving watersoluble polymers
US3251389A (en) * 1964-09-17 1966-05-17 Joe R Urschel Machine for and method of comminuting a product
US3862078A (en) * 1972-02-15 1975-01-21 Burke Oliver W Jun Process for converting coarse aqueous polymer emulsion to fine emulsion
GB1441340A (en) * 1973-04-04 1976-06-30 Hercules Inc Method and apparatus for dissolving polymer gels
DE2322883A1 (de) * 1973-05-07 1974-11-28 Roehm Gmbh Wasserloesliche polymerisate
AT334093B (de) * 1974-08-27 1976-12-27 Vianova Kunstharz Ag Verfahren zur herstellung hochmolekularer, wasserloslicher aminoxide

Also Published As

Publication number Publication date
JPS5540617B2 (it) 1980-10-18
JPS5483949A (en) 1979-07-04
CA1102463A (en) 1981-06-02
AU519626B2 (en) 1981-12-17
FR2411627B1 (fr) 1985-08-02
DE2832661C2 (de) 1986-12-18
FR2411627A1 (fr) 1979-07-13
NO782423L (no) 1979-06-15
NO153058B (no) 1985-09-30
SE425089B (sv) 1982-08-30
DE2832661A1 (de) 1979-06-28
SE7808312L (sv) 1979-06-15
GB2010288B (en) 1982-08-11
GB2010288A (en) 1979-06-27
AU3720078A (en) 1979-12-20
US4113688A (en) 1978-09-12
NO153058C (no) 1986-01-08
IT7826017A0 (it) 1978-07-24

Similar Documents

Publication Publication Date Title
IT1097305B (it) Processo per la rapida dissoluzione,di gel di polimeri idrosolubili mediante estrusione,tranciatura e infine dispersione sotto elevata forza di taglio
BR7705790A (pt) Estrutura de polimero microporosa,e processo para sua preparacao
BR7804265A (pt) Processo para polimerizar alfa-olefinas,e componentes de catalisador utilizaveis no mesmo
IT8022870A0 (it) Processo per la produzione di polimeri e copolimeri olefinici.
IT1096736B (it) Composti ciclopentadienil-metallo-carbonilic i legati a polimeri e loro derivati,processo per la loro preparazione e loro impiego come catalizzatori
BR7600499A (pt) Polimeros,processo para sua obtencao,e aplicador de agente ativo
IT1095715B (it) Dispositivo per la spuntatura,la suddivisione,e lo sminuzzamento di materiale laminato muoventesi rapidamente
IT7820881A0 (it) Processo per preparare polimeri o copolimeri olefinici e catalizzatore da impiegare in questo processo.
IT1150984B (it) Apparecchiatura e processo di attacco elettrochimico selettivo
IT7821052A0 (it) Processo per la produzione di corpi cavi di materiale termoplastico e apparecchiatura per la sua messa in opera.
BR7806383A (pt) Dispersao aquosa de plastico,e processo para sua producao
IT8049537A0 (it) Procedimento per la produzione di polimeri alfa-olefinici altamente stereoregolari e catalizzatore da impiegare in esso
IT1106614B (it) Soluzioni di polimeri e procedimento per la loro produzione ed applicazione
IT1031699B (it) Polimeri fotoreticolabili e processo per la lord preparazione
IT1103257B (it) Procedimento per la preparazione di polimeri e prodotto ottenuto
IT7849095A0 (it) Polimeri in perline e procedimento per produrli
IT1157715B (it) Polimeri di polinitroaromatici e procedimento per la loro produzione
IT7819137A0 (it) Processo per la depolimerizzazione di polimeri idrossicarbossilati e polimeri cosi' ottenuti.
IT1093271B (it) Processo per la preparazione di polimeri del cloruro di vinile
IT8050393A0 (it) Procedimento per la produzione di polimeri olefinici e catalizzatore impiegato
BR7801106A (pt) Processo para preparacao de catodos ativos para aplicacao em processos eletroquimicos
IT8025067A0 (it) Procedimento per la produzione di una dispersione liquida acquosa di polimeri.
IT8026287A0 (it) Procedimento per la produzione di una dispersione liquida acquosa di polimeri.
IT7949544A0 (it) Procedimento per la produzione di polimeri olefinici e catalizzatore da impiegare in esso
SU856544A1 (ru) Двухвалковое устройство дл дроблени