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JPS54126294A - Modified polymer* preparation thereof* semitransparent film made therefrom* and application thereof - Google Patents

Modified polymer* preparation thereof* semitransparent film made therefrom* and application thereof

Info

Publication number
JPS54126294A
JPS54126294A JP1962179A JP1962179A JPS54126294A JP S54126294 A JPS54126294 A JP S54126294A JP 1962179 A JP1962179 A JP 1962179A JP 1962179 A JP1962179 A JP 1962179A JP S54126294 A JPS54126294 A JP S54126294A
Authority
JP
Japan
Prior art keywords
preparation
application
film made
modified polymer
made therefrom
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.)
Pending
Application number
JP1962179A
Other languages
English (en)
Inventor
Batsutsuaa Hansu
Jinraihi Jiyoeru
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of JPS54126294A publication Critical patent/JPS54126294A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/18—Mixed esters, e.g. cellulose acetate-butyrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B13/00—Preparation of cellulose ether-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/16—Preparation of mixed organic cellulose esters, e.g. cellulose aceto-formate or cellulose aceto-propionate
    • 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
    • C08F8/14—Esterification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP1962179A 1978-02-21 1979-02-21 Modified polymer* preparation thereof* semitransparent film made therefrom* and application thereof Pending JPS54126294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH184778A CH645391A5 (de) 1978-02-21 1978-02-21 Polymere mit succinylobernsteinsaeureester-resten.

Publications (1)

Publication Number Publication Date
JPS54126294A true JPS54126294A (en) 1979-10-01

Family

ID=4219998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1962179A Pending JPS54126294A (en) 1978-02-21 1979-02-21 Modified polymer* preparation thereof* semitransparent film made therefrom* and application thereof

Country Status (7)

Country Link
US (2) US4249000A (ja)
JP (1) JPS54126294A (ja)
CA (1) CA1157195A (ja)
CH (1) CH645391A5 (ja)
DE (1) DE2906334A1 (ja)
FR (1) FR2417516A1 (ja)
GB (1) GB2016471B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000072950A1 (fr) * 1999-05-31 2000-12-07 Daicel Chemical Industries, Ltd. Membrane à fibres creuses issue de dérivés de cellulose

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357453A (en) * 1980-05-07 1982-11-02 Ciba-Geigy Corporation Photocurable polymers obtained from succinylosuccinic acid and maleic acid derivatives, processes for the preparation of the polymers, and use of the polymers
DE3166445D1 (en) * 1980-06-23 1984-11-08 Ciba Geigy Ag Use of succinylosuccinic acid diesters as liquid membranes and process for the selective separation of cations
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
US4417574A (en) * 1982-05-03 1983-11-29 Sherwood Medical Company Liquid drain for patient breathing apparatus
US4428776A (en) 1982-06-23 1984-01-31 The Standard Oil Company Cellulosic semipermeable membranes containing silicon compounds
DE3331997A1 (de) * 1983-09-05 1985-03-21 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von waessrigen destillationsrueckstaenden waehrend der aufbereitung von bei der herstellung von celluloseethern anfallenden fluessigkeiten
DE3407720A1 (de) * 1984-03-02 1985-09-05 Basf Ag, 6700 Ludwigshafen Membrane aus im wesentlichen unvernetzten organischen polymeren
US4851120A (en) * 1984-04-23 1989-07-25 The Dow Chemical Company Anionic polysaccharide separation membranes
US4549012A (en) * 1984-08-13 1985-10-22 Sharma Ashok K Fluorinated cellulose acetate polymers
US4603699A (en) * 1984-11-20 1986-08-05 Himpens Jacques M Apparatus and method for measuring osmotic pressure in situ
US4894165A (en) * 1987-07-20 1990-01-16 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US5051468A (en) * 1988-12-30 1991-09-24 Aqualon Company Polymers comprised of fully and partially hydrolyzed poly(vinyl acetate) and alkyl ketene dimer repeating units and aqueous solutions containing such polymers
US4983401A (en) * 1989-05-22 1991-01-08 Kinaform Technology, Inc. Sustained release pharmaceutical preparations having pH controlled membrane coatings
US5043069A (en) * 1989-10-18 1991-08-27 E. I. Du Pont De Nemours And Company Filtration device having hardened gum formed-in-place membranes
US5219930A (en) * 1990-09-21 1993-06-15 Quantum Chemical Corporation Process for converting vinyl alcohol polymers to poly(keto-esters) therefrom
IL104670A (en) * 1993-02-09 1998-04-05 Travenol Lab Israel Ltd Leukocyte removal method and filter unit for same
US5331045A (en) * 1993-02-12 1994-07-19 E. I. Du Pont De Nemours And Company Polyvinyl alcohol esterified with lactic acid and process therefor
US6126825A (en) * 1996-12-02 2000-10-03 Fuji Photo Film Co., Ltd. Microporous membrane and process for the production thereof
AU6896201A (en) * 1999-12-22 2001-09-17 Akzo Nobel N.V. Resin composition made from glyoxylic acid and a hydroxy group-containing polymer
EP1255532B1 (en) * 2000-02-04 2005-01-05 Alza Corporation Osmotically-driven fluid dispenser
WO2004017050A1 (en) * 2002-08-06 2004-02-26 The Regents Of The University Of California Tear film osmometry
US7905134B2 (en) * 2002-08-06 2011-03-15 The Regents Of The University Of California Biomarker normalization
US8020433B2 (en) * 2003-03-25 2011-09-20 Tearlab Research, Inc. Systems and methods for a sample fluid collection device
US7810380B2 (en) 2003-03-25 2010-10-12 Tearlab Research, Inc. Systems and methods for collecting tear film and measuring tear film osmolarity
DE102004053402B3 (de) * 2004-11-05 2006-06-01 Gkss-Forschungszentrum Geesthacht Gmbh Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung
JP2009507774A (ja) * 2005-08-04 2009-02-26 アルザ・コーポレーシヨン 改良された性質を提供するポリマー混合物による半透過性膜を含んでなる浸透性用量形態物
US8123945B2 (en) * 2007-05-09 2012-02-28 The United States of America as represented by the Secretary of the Interior, The Bereau of Reclamation Method for making high flux, high salt rejection cellulose desalting membranes
KR101525642B1 (ko) * 2008-03-31 2015-06-03 도레이 카부시키가이샤 분리막, 그의 제조 방법 및 상기 분리막을 이용한 분리막 모듈
KR101749620B1 (ko) 2010-12-06 2017-07-03 롯데정밀화학 주식회사 아세틸화 셀룰로오스 에테르 및 이를 포함하는 물품
EP3198257B1 (en) 2014-09-23 2020-08-12 Tearlab Research, Inc. System for integration of microfluidic tear collection and lateral flow analysis of analytes of interest

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867123A (en) * 1929-03-25 1932-07-12 Deutsche Celluloid Fabrik Process of making mixed cellulose esters
GB360058A (en) * 1929-08-02 1931-11-05 Kodak Ltd Manufacture of mixed cellulose esters
US2093464A (en) * 1932-07-30 1937-09-21 Eastman Kodak Co Cellulose esters containing succinyl groups and process of making same
US2689863A (en) * 1948-10-07 1954-09-21 Union Carbide & Carbon Corp Ester-anhydrides and the production thereof
US2759925A (en) * 1952-02-20 1956-08-21 Eastman Kodak Co Process for preparing cellulose dicarboxylic acid esters
US2794799A (en) * 1954-01-28 1957-06-04 Eastman Kodak Co Process of preparing mixed esters of cellulose containing dicarboxylic acid groups
US2856399A (en) * 1957-02-11 1958-10-14 Eastman Kodak Co Method of preparing dicarboxylic acid esters of the lower fatty acid esters and the ethers of cellulose containing free and esterifiable hydroxyl groups
US3642773A (en) * 1967-12-29 1972-02-15 Mc Donnell Douglas Corp Modified cellulose ester semipermeable membrane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000072950A1 (fr) * 1999-05-31 2000-12-07 Daicel Chemical Industries, Ltd. Membrane à fibres creuses issue de dérivés de cellulose
US6632366B1 (en) 1999-05-31 2003-10-14 Daicel Chemical Industries, Ltd. Cellulose compound hollow fiber membrane

Also Published As

Publication number Publication date
US4305823A (en) 1981-12-15
DE2906334A1 (de) 1979-08-23
GB2016471A (en) 1979-09-26
FR2417516B1 (ja) 1982-10-01
US4249000A (en) 1981-02-03
CA1157195A (en) 1983-11-15
CH645391A5 (de) 1984-09-28
FR2417516A1 (fr) 1979-09-14
GB2016471B (en) 1982-07-07

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