CA1020936A - Water-insoluble fluid-absorptive and retentive materials and methods of making the same - Google Patents

Water-insoluble fluid-absorptive and retentive materials and methods of making the same

Info

Publication number
CA1020936A
CA1020936A CA166,349A CA166349A CA1020936A CA 1020936 A CA1020936 A CA 1020936A CA 166349 A CA166349 A CA 166349A CA 1020936 A CA1020936 A CA 1020936A
Authority
CA
Canada
Prior art keywords
absorptive
making
methods
water
same
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
Application number
CA166,349A
Other versions
CA166349S (en
Inventor
Michael C. Kwok
Pronoy K. Chatterjee
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.)
Personal Products Co
Original Assignee
Personal Products Co
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 Personal Products Co filed Critical Personal Products Co
Application granted granted Critical
Publication of CA1020936A publication Critical patent/CA1020936A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/10—Crosslinking of cellulose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • Y10S604/00—Surgery
    • Y10S604/904—Tampons
CA166,349A 1970-10-26 1973-03-15 Water-insoluble fluid-absorptive and retentive materials and methods of making the same Expired CA1020936A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8412970A 1970-10-26 1970-10-26
DE19732314689 DE2314689A1 (en) 1970-10-26 1973-03-24 CELLULOSE MATERIALS ABSORBENT AND RETRACTIVE LIQUIDS AND METHOD OF MANUFACTURING THEREOF

Publications (1)

Publication Number Publication Date
CA1020936A true CA1020936A (en) 1977-11-15

Family

ID=25764865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,349A Expired CA1020936A (en) 1970-10-26 1973-03-15 Water-insoluble fluid-absorptive and retentive materials and methods of making the same

Country Status (7)

Country Link
US (1) US3723413A (en)
JP (1) JPS5817201B2 (en)
BE (1) BE797279A (en)
CA (1) CA1020936A (en)
DE (1) DE2314689A1 (en)
IN (1) IN139895B (en)
SE (1) SE384688B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699793A1 (en) * 1994-08-09 1996-03-06 New Oji Paper Co., Ltd. Process for producing waterabsorbent cross-linked, carboxyalkylated cellulose-containing material
US5725601A (en) * 1994-08-09 1998-03-10 New Oji Paper Co., Ltd. Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136697A (en) * 1972-11-24 1979-01-30 Avtex Fibers Inc. Fibers of high fluid-holding capacity
US3971379A (en) * 1975-04-04 1976-07-27 Personal Products Company Absorbent hydrophilic cellulosic product
US4063018A (en) * 1975-04-07 1977-12-13 Daicel Ltd. Process for preparing alkali metal salt of carboxymethyl cellulose ether
DE2519927C2 (en) * 1975-05-05 1986-10-23 Hoechst Ag, 6230 Frankfurt Process for the production of cellulose ethers which absorb water but are more than 50% by weight insoluble therein
DE2534358C3 (en) * 1975-08-01 1978-04-13 Hoechst Ag, 6000 Frankfurt Process for coating a tape made of hydrophilic material with powder made from a modified cellulose ether
DE2554558C3 (en) * 1975-12-04 1981-11-05 Hoechst Ag, 6000 Frankfurt Process for coating a tape made of hydrophilic material with powder made from a modified cellulose ether
DE2547650B2 (en) * 1975-10-24 1981-01-22 Hoechst Ag, 6000 Frankfurt Flat, absorbent layer structure
US4199367A (en) * 1975-11-07 1980-04-22 Avtex Fibers Inc. Alloy rayon
US4051040A (en) * 1976-03-17 1977-09-27 John L. Hutchinson Antithrombogenic hemo dialysis membranes
US4289824A (en) * 1977-04-22 1981-09-15 Avtex Fibers Inc. High fluid-holding alloy rayon fiber mass
DE2823757C2 (en) * 1978-05-31 1982-10-21 Hoechst Ag, 6000 Frankfurt Process for the production of swellable fibers or swellable textile fabrics
IT1121850B (en) * 1979-06-20 1986-04-23 Montedison Spa POL-CARBOSSI-ALCHIL-CELLULOSE WITH FLUID RETECTION AND PROCESS FOR THEIR PREPARATION
DE3034169A1 (en) * 1980-09-11 1982-04-15 Rudolf 6670 St Ingbert Marx WATER ADSORBING INSERT FOR FOOD PACKS
US4405324A (en) * 1981-08-24 1983-09-20 Morca, Inc. Absorbent cellulosic structures
US4985518A (en) * 1981-10-26 1991-01-15 American Colloid Company Process for preparing water-absorbing resins
US4755562A (en) * 1986-06-10 1988-07-05 American Colloid Company Surface treated absorbent polymers
DE3303153A1 (en) * 1983-01-31 1984-08-02 Henkel KGaA, 4000 Düsseldorf METHOD FOR PRODUCING HIGHLY SUBSTITUTED CARBOXYALKYLCELLULOS AND THEIR MIXING ETHERS
US4521594A (en) * 1983-05-20 1985-06-04 Daicel Chemical Industries, Ltd. Process for producing sodium carboxymethylcellulose
JPS6094401A (en) * 1983-10-31 1985-05-27 Asahi Chem Ind Co Ltd Cellulose dervative having excellent liquid absorption characteristic, its production and structure containing the same
US4689118A (en) * 1985-07-22 1987-08-25 Personal Products Company Cross-linked pore containing microfibrillated cellulose prepared by freezing and solvent exchange
JPS62141001A (en) * 1985-12-13 1987-06-24 Dai Ichi Kogyo Seiyaku Co Ltd Production of water-soluble alkali metal salt of carboxyalkylcellulose
US5079354A (en) * 1989-10-27 1992-01-07 Kimberly-Clark Corporation Method for making absorbent starch
US5206205A (en) * 1991-08-15 1993-04-27 Kimberly-Clark Corporation Thermal treatment of superabsorbents to enhance their rate of absorbency under load
US5247072A (en) * 1991-10-25 1993-09-21 Kimberly-Clark Corporation Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
CA2073292C (en) * 1991-10-25 2004-06-29 Xin Ning Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
GB9126193D0 (en) * 1991-12-10 1992-02-12 Courtaulds Plc Cellulosic fibres
CA2072918A1 (en) * 1992-02-14 1993-08-15 Jian Qin Modified polysaccharides having improved absorbent properties and process for the preparation thereof
US5550189A (en) * 1992-04-17 1996-08-27 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
GB9301258D0 (en) * 1993-01-22 1993-03-17 Courtaulds Plc Use of absorbent fibre
JP3274550B2 (en) * 1993-08-03 2002-04-15 株式会社日本触媒 Manufacturing method of water absorbing material
US5498705A (en) * 1995-02-22 1996-03-12 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
US5801116A (en) * 1995-04-07 1998-09-01 Rhodia Inc. Process for producing polysaccharides and their use as absorbent materials
US5817159A (en) * 1996-12-31 1998-10-06 Cahill; Scott A. Filter with interpenetrating polymer network that biodegrades
DE19746264A1 (en) * 1997-10-20 1999-04-29 Wolff Walsrode Ag Cellulose ether with low salt content
JP4819984B2 (en) * 1999-06-23 2011-11-24 独立行政法人日本原子力研究開発機構 Self-crosslinking alkylcellulose derivatives and methods for producing them
JP2002078733A (en) * 2000-06-28 2002-03-19 Uni Charm Corp Absorptive article
US6517625B2 (en) * 2001-01-03 2003-02-11 Mgp Ingredients, Inc. Protein/starch paper coating compositions and method of use thereof
US6500947B1 (en) 2001-08-24 2002-12-31 Weyerhaeuser Company Superabsorbent polymer
US20030135180A1 (en) * 2002-01-10 2003-07-17 Nguyen Hien Vu Absorbent device with a lubricious cover
GB0210233D0 (en) * 2002-05-03 2002-06-12 Acordis Speciality Fibres Ltd Wound dressings
US20030034137A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034136A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030035950A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030024663A1 (en) * 2002-07-19 2003-02-06 Neogi Amar N. Superabsorbent cellulosic fiber
US6881252B2 (en) 2003-09-23 2005-04-19 Corn Products International, Inc. Fiber-based product
US7541396B2 (en) * 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
MX2013011324A (en) 2011-04-01 2014-02-27 Solazyme Inc Biomass-based oil field chemicals.
WO2012147255A1 (en) * 2011-04-27 2012-11-01 独立行政法人国立高等専門学校機構 Water-absorbing and liquid-absorbing polymer
FI20116163L (en) * 2011-11-23 2013-05-24 Upm Kymmene Corp Method and system for making cellulosic material
AU2012358203A1 (en) 2011-12-23 2014-07-24 Terravia Holdings, Inc. Algal thermoplastics, thermosets, paper, adsorbants and absorbants
CN103059321B (en) * 2013-01-25 2015-11-18 湖北葛店人福药用辅料有限责任公司 A kind of preparation method of croscarmellose sodium pharmaceutical excipient
MX2015011441A (en) 2013-03-08 2016-04-20 Solazyme Inc Oleaginous microbial lubricants.
US9493640B2 (en) 2013-03-15 2016-11-15 Terravia Holdings, Inc. Wood plastic and thermoplastic composites
WO2016004401A1 (en) 2014-07-03 2016-01-07 Solazyme, Inc. Lubricants and wellbore fluids
WO2016115637A1 (en) 2015-01-23 2016-07-28 Fpinnovations Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof
BR112017020483B1 (en) 2015-03-24 2021-07-06 Terravia Holdings, Inc DRY OR SOLID FILM LUBRICANT AND METHOD FOR PROVIDING LUBRICATION TO A SURFACE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2060056A (en) * 1933-07-25 1936-11-10 Du Pont New cellulose glycollic acid and process for preparing same
US2486805A (en) * 1947-10-08 1949-11-01 Henry H Frede And Company Diapers and like sheetlike materials
US2639239A (en) * 1950-11-18 1953-05-19 Hercules Powder Co Ltd Heat-treated alkali-metal carboxymethyl cellulose and process of preparing it
US3342805A (en) * 1964-05-27 1967-09-19 Dow Chemical Co Process for the manufacture of cellulose ethers
US3379721A (en) * 1964-10-12 1968-04-23 Hercules Inc Process of treating water-soluble alkali metal salts of cmc and product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699793A1 (en) * 1994-08-09 1996-03-06 New Oji Paper Co., Ltd. Process for producing waterabsorbent cross-linked, carboxyalkylated cellulose-containing material
US5725601A (en) * 1994-08-09 1998-03-10 New Oji Paper Co., Ltd. Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material

Also Published As

Publication number Publication date
SE384688B (en) 1976-05-17
BE797279A (en) 1973-09-24
DE2314689A1 (en) 1974-10-10
JPS5817201B2 (en) 1983-04-05
JPS49128987A (en) 1974-12-10
IN139895B (en) 1976-08-14
US3723413A (en) 1973-03-27

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