CA972707A - Process for cocrosslinking water soluble polymers and products thereof - Google Patents

Process for cocrosslinking water soluble polymers and products thereof

Info

Publication number
CA972707A
CA972707A CA139,982A CA139982A CA972707A CA 972707 A CA972707 A CA 972707A CA 139982 A CA139982 A CA 139982A CA 972707 A CA972707 A CA 972707A
Authority
CA
Canada
Prior art keywords
cocrosslinking
products
water soluble
soluble polymers
polymers
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
CA139,982A
Other languages
English (en)
Other versions
CA139982S (en
Inventor
Paul A. King
Per G. Assarsson
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of CA972707A publication Critical patent/CA972707A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02Polyalkylene oxides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28Polysaccharides or their derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00Preparation of cellulose ethers
    • C08B11/20Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/10Crosslinking of cellulose
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00Preparation of derivatives of starch
    • C08B31/003Crosslinking of starch
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/28Treatment by wave energy or particle radiation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2371/00Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2371/02Polyalkylene oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Polyethers (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Medicinal Preparation (AREA)
CA139,982A 1971-06-11 1972-04-19 Process for cocrosslinking water soluble polymers and products thereof Expired CA972707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15237071A 1971-06-11 1971-06-11

Publications (1)

Publication Number Publication Date
CA972707A true CA972707A (en) 1975-08-12

Family

ID=22542641

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,982A Expired CA972707A (en) 1971-06-11 1972-04-19 Process for cocrosslinking water soluble polymers and products thereof

Country Status (12)

Country Link
JP (2) JPS5218738B1 (forum.php)
AR (1) AR192789A1 (forum.php)
AU (1) AU459543B2 (forum.php)
BE (1) BE784689A (forum.php)
BR (1) BR7203696D0 (forum.php)
CA (1) CA972707A (forum.php)
CH (1) CH562275A5 (forum.php)
FR (1) FR2141325A5 (forum.php)
GB (1) GB1392624A (forum.php)
IT (1) IT959112B (forum.php)
NL (1) NL7207894A (forum.php)
NO (1) NO133501C (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202408U (forum.php) * 1985-06-11 1986-12-19
ATA255988A (de) * 1988-10-14 1993-05-15 Chemie Linz Gmbh Absorbierendes polymerisat
GB9720506D0 (en) * 1997-09-27 1997-11-26 Scimat Ltd Gel materials

Also Published As

Publication number Publication date
DE2228256B2 (de) 1975-12-04
AR192789A1 (es) 1973-03-14
DE2228256A1 (de) 1972-12-28
CH562275A5 (forum.php) 1975-05-30
AU459543B2 (en) 1975-03-11
GB1392624A (en) 1975-04-30
BE784689A (fr) 1972-12-11
NO133501C (forum.php) 1976-05-12
NL7207894A (forum.php) 1972-12-13
BR7203696D0 (pt) 1973-05-31
JPS5260282A (en) 1977-05-18
AU4326672A (en) 1973-12-13
FR2141325A5 (forum.php) 1973-01-19
IT959112B (it) 1973-11-10
JPS5218738B1 (forum.php) 1977-05-24
NO133501B (forum.php) 1976-02-02

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