BR7409779A - Processo para a preparacao de eteres de celulose absorvedores de agua,mas insoluvel nessa ultima - Google Patents

Processo para a preparacao de eteres de celulose absorvedores de agua,mas insoluvel nessa ultima

Info

Publication number
BR7409779A
BR7409779A BR9779/74A BR977974A BR7409779A BR 7409779 A BR7409779 A BR 7409779A BR 9779/74 A BR9779/74 A BR 9779/74A BR 977974 A BR977974 A BR 977974A BR 7409779 A BR7409779 A BR 7409779A
Authority
BR
Brazil
Prior art keywords
insoluble
last
preparation
water
cellulose ethers
Prior art date
Application number
BR9779/74A
Other languages
English (en)
Inventor
A Holst
H Lask
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BR7409779A publication Critical patent/BR7409779A/pt

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
    • C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing 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
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
BR9779/74A 1973-11-22 1974-11-21 Processo para a preparacao de eteres de celulose absorvedores de agua,mas insoluvel nessa ultima BR7409779A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2358150A DE2358150C2 (de) 1973-11-22 1973-11-22 Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern

Publications (1)

Publication Number Publication Date
BR7409779A true BR7409779A (pt) 1976-05-25

Family

ID=5898734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9779/74A BR7409779A (pt) 1973-11-22 1974-11-21 Processo para a preparacao de eteres de celulose absorvedores de agua,mas insoluvel nessa ultima

Country Status (17)

Country Link
US (1) US3965091A (pt)
JP (1) JPS5085689A (pt)
AR (1) AR203220A1 (pt)
AT (1) AT354468B (pt)
BE (1) BE822381A (pt)
BR (1) BR7409779A (pt)
CA (1) CA1029371A (pt)
CH (1) CH609067A5 (pt)
DE (1) DE2358150C2 (pt)
ES (1) ES432123A1 (pt)
FI (1) FI335274A (pt)
FR (1) FR2252353B1 (pt)
GB (1) GB1492039A (pt)
IT (1) IT1032136B (pt)
NL (1) NL7414745A (pt)
SE (1) SE7414394L (pt)
ZA (1) ZA747407B (pt)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186238A (en) * 1973-12-24 1980-01-29 Hoechst Aktiengesellschaft Hydrophilic articles of water-insoluble polymers
US4200558A (en) * 1973-12-24 1980-04-29 Hoechst Aktiengesellschaft Method of producing hydrophilic articles of water-insoluble polymers
US4194024A (en) * 1973-12-24 1980-03-18 Hoechst Aktiengesellschaft Method of making hydrophilic articles of water-insoluble polymers
DE2441781C3 (de) * 1974-08-31 1980-12-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wasseraufnahme und Saugfähigkeit von Fasermaterialien
DE2520337A1 (de) * 1975-05-07 1976-11-18 Hoechst Ag Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
DE2520336A1 (de) * 1975-05-07 1976-11-18 Hoechst Ag Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
DE2543187C2 (de) * 1975-09-27 1982-05-06 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Wasser aufnehmenden, aber darin weitgehend unlöslichen Celluloseethern
DE2547650B2 (de) * 1975-10-24 1981-01-22 Hoechst Ag, 6000 Frankfurt Flächenförmiges saugfähiges Schichtgebilde
DE2634539C2 (de) * 1976-07-31 1983-08-25 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung von saugfähigen, modifizierten Stärkeethern und deren Verwendung
DE2710874A1 (de) * 1977-03-12 1978-09-14 Hoechst Ag Wasserdampfaufnahmefaehiges gebundenes faservlies
DE2823757C2 (de) * 1978-05-31 1982-10-21 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden
FI71750C (fi) 1981-09-10 1987-02-09 Daicel Chem Process foer tillverkning av ett alkalisalt av karboximetylcellulosaeter.
DE3236158A1 (de) * 1982-09-30 1984-04-05 Hoechst Ag, 6230 Frankfurt Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern
US4557951A (en) * 1983-11-22 1985-12-10 A. E. Staley Manufacturing Company Cellulosic organic solvent soluble products
DE3566954D1 (en) * 1984-03-20 1989-02-02 Akzo Gmbh Cellulose dialysis membrane with improved biocompatibility
JPS6190657A (ja) * 1984-10-11 1986-05-08 三井東圧化学株式会社 尿の吸収・保持剤
US4587284A (en) * 1985-06-14 1986-05-06 Ed. Geistlich Sohne Ag Fur Chemische Industrie Absorbent polymer material and its preparation
US5247072A (en) * 1991-10-25 1993-09-21 Kimberly-Clark Corporation Carboxyalkyl 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
JP3274550B2 (ja) * 1993-08-03 2002-04-15 株式会社日本触媒 吸水材の製法
US5725601A (en) * 1994-08-09 1998-03-10 New Oji Paper Co., Ltd. Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material
JP3396961B2 (ja) 1994-08-09 2003-04-14 王子製紙株式会社 吸水性セルロース材料の製造方法
JP2002078733A (ja) * 2000-06-28 2002-03-19 Uni Charm Corp 吸収性物品
US20060142477A1 (en) * 2004-12-29 2006-06-29 Glasser Wolfgang G Method for making sulfoalkylated cellulose polymer network
US20060142480A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Method of making carboxyalkyl cellulose polymer network
US20060142561A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose
US20060142476A1 (en) * 2004-12-29 2006-06-29 Weerawarna S A Crosslinked carboxylated polymer
US7230049B2 (en) * 2004-12-29 2007-06-12 Weyerhaeuser Co. Method of crosslinking a carboxylated polymer using a triazine crosslinking activator
US20060142484A1 (en) * 2004-12-29 2006-06-29 Glasser Wolfgang G Sulfoalkylated cellulose polymer network
US7393905B2 (en) * 2004-12-29 2008-07-01 Weyerhaeuser Company Crosslinked mixed carboxylated polymer network
US7241836B2 (en) * 2004-12-29 2007-07-10 Weyerhaeuser Co. Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator
US20060142481A1 (en) * 2004-12-29 2006-06-29 Herriott Carole W Method for making a mixed polymer network
US7541396B2 (en) * 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
US20060142478A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose polymer network
US7300965B2 (en) 2004-12-29 2007-11-27 Weyerhaeuser Company Mixed polymer network
WO2012147255A1 (ja) * 2011-04-27 2012-11-01 独立行政法人国立高等専門学校機構 吸水性および吸液性高分子
EP3359206A4 (en) * 2015-10-07 2019-05-15 Lifescienceplus, Inc. BIOCOMPATIBLE CARBOXYMETHYLCELLULOSE (BCM) MATRIX USEFUL FOR HEMOSTASE, WOUND HEALING, TISSUE BARRIER, AND COSMETOLOGY
CN112409498A (zh) * 2020-11-25 2021-02-26 泸州北方纤维素有限公司 高稳定性羧甲基羟乙基纤维素的制备方法
CN114539430B (zh) * 2022-01-05 2023-04-07 安徽农业大学 一种改性羧甲基纤维素及其制备方法与应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338681A (en) * 1942-01-17 1944-01-04 Rohm & Haas Reaction of acrylamide with cellulose
US2517577A (en) * 1946-12-10 1950-08-08 Hercules Powder Co Ltd Preparation of carboxyalkyl ethers of cellulose
US2580351A (en) * 1948-12-22 1951-12-25 Hercules Powder Co Ltd Cellulose sulfamylethyl ether
US2618633A (en) * 1949-12-23 1952-11-18 Hercules Powder Co Ltd Preparation of carboxyethyl cellulose
US2618635A (en) * 1949-12-23 1952-11-18 Hercules Powder Co Ltd Mixed cellulose ether
US2886474A (en) * 1954-04-14 1959-05-12 Rohm & Haas Compositions for binding pigments
US2971815A (en) * 1957-10-31 1961-02-14 Austin L Bullock Chemically modified textiles
US3029232A (en) * 1958-12-26 1962-04-10 American Cyanamid Co Production of amide containing cellulose
US3102773A (en) * 1959-06-25 1963-09-03 Nalco Chemical Co Process for treating textiles
BE614497A (pt) * 1961-02-28
US3298979A (en) * 1963-08-09 1967-01-17 Eastman Kodak Co Graft copolymers comprising acrylonitrile and cellulose derivatives
US3696092A (en) * 1963-08-13 1972-10-03 Giuliana C Tesoro Process for the chemical modification of polymers containing active hydrogen atoms by reacting such with a sulfonamide compound
US3423163A (en) * 1966-07-19 1969-01-21 Du Pont Cellulosic textile fibers bearing grafted n-methylol amide
GB1099239A (en) * 1966-11-09 1968-01-17 Japan Atomic Energy Res Inst Graft polymerization of vinyl compound onto cellulose
US3589364A (en) * 1968-03-14 1971-06-29 Buckeye Cellulose Corp Bibulous cellulosic fibers
DE1920493A1 (de) * 1969-04-23 1970-11-05 Henkel & Cie Gmbh Verfahren zur Herstellung von Carbamyl-aethylgruppen enthaltenden Cellulosederivaten

Also Published As

Publication number Publication date
SE7414394L (pt) 1975-05-23
AR203220A1 (es) 1975-08-22
CH609067A5 (pt) 1979-02-15
CA1029371A (en) 1978-04-11
AT354468B (de) 1979-01-10
FI335274A (pt) 1975-05-23
IT1032136B (it) 1979-05-30
JPS5085689A (pt) 1975-07-10
DE2358150A1 (de) 1975-05-28
FR2252353B1 (pt) 1979-03-16
NL7414745A (nl) 1975-05-26
ZA747407B (en) 1975-12-31
DE2358150C2 (de) 1982-03-18
AU7552674A (en) 1976-05-20
GB1492039A (en) 1977-11-16
ES432123A1 (es) 1976-11-01
BE822381A (fr) 1975-05-20
ATA929174A (de) 1979-06-15
US3965091A (en) 1976-06-22
FR2252353A1 (pt) 1975-06-20

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