CA2204889A1 - Anionic polymer - Google Patents

Anionic polymer

Info

Publication number
CA2204889A1
CA2204889A1 CA002204889A CA2204889A CA2204889A1 CA 2204889 A1 CA2204889 A1 CA 2204889A1 CA 002204889 A CA002204889 A CA 002204889A CA 2204889 A CA2204889 A CA 2204889A CA 2204889 A1 CA2204889 A1 CA 2204889A1
Authority
CA
Canada
Prior art keywords
polysaccharide
cross
cellulose
process according
pyridine
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.)
Abandoned
Application number
CA002204889A
Other languages
English (en)
French (fr)
Inventor
Giancarlo Fornasari
Giovanni Carlucci
Giangiacomo Torri
Alessandro Gagliardini
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.)
Procter and Gamble Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2204889A1 publication Critical patent/CA2204889A1/en
Abandoned 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
    • C08B15/005—Crosslinking of cellulose derivatives
    • 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
    • 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
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H5/00—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
    • C07H5/04—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium to nitrogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H5/00—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
    • C07H5/08—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium to sulfur, selenium or tellurium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/14—Cellulose sulfate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
CA002204889A 1994-11-10 1995-11-13 Anionic polymer Abandoned CA2204889A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT94TO000892A IT1267497B1 (it) 1994-11-10 1994-11-10 Polimero anionico, ad esempio di tipo superassorbente e relativo procedimento di produzione.
ITTO94A000892 1994-11-10
PCT/US1995/014729 WO1996015137A1 (en) 1994-11-10 1995-11-13 Anionic polymer

Publications (1)

Publication Number Publication Date
CA2204889A1 true CA2204889A1 (en) 1996-05-23

Family

ID=11412882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002204889A Abandoned CA2204889A1 (en) 1994-11-10 1995-11-13 Anionic polymer

Country Status (7)

Country Link
EP (1) EP0791002A4 (it)
JP (1) JPH10509754A (it)
KR (1) KR970707137A (it)
AU (1) AU4156496A (it)
CA (1) CA2204889A1 (it)
IT (1) IT1267497B1 (it)
WO (1) WO1996015137A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020064990A (ko) * 2000-01-19 2002-08-10 웨이어해유저 컴파니 초흡수성 셀룰로오스 섬유
US6500947B1 (en) 2001-08-24 2002-12-31 Weyerhaeuser Company Superabsorbent polymer
US7300965B2 (en) 2004-12-29 2007-11-27 Weyerhaeuser Company Mixed polymer network
US7541396B2 (en) 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
US7241836B2 (en) 2004-12-29 2007-07-10 Weyerhaeuser Co. Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator
US7393905B2 (en) 2004-12-29 2008-07-01 Weyerhaeuser Company Crosslinked mixed carboxylated polymer network
US7230049B2 (en) 2004-12-29 2007-06-12 Weyerhaeuser Co. Method of crosslinking a carboxylated polymer using a triazine crosslinking activator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589364A (en) * 1968-03-14 1971-06-29 Buckeye Cellulose Corp Bibulous cellulosic fibers
US3737406A (en) * 1971-03-22 1973-06-05 Alelio G D Reactive epoxy-onium catalysts for synthesis of polyoxazolidones
DE2519927C2 (de) * 1975-05-05 1986-10-23 Hoechst Ag, 6230 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50 Gew.-% unlöslichen Celluloseethern
DE2520337A1 (de) * 1975-05-07 1976-11-18 Hoechst Ag Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
JPS5684701A (en) * 1979-12-14 1981-07-10 Kohjin Co Ltd Production of absorbing material

Also Published As

Publication number Publication date
MX9703448A (es) 1998-07-31
ITTO940892A1 (it) 1996-05-10
JPH10509754A (ja) 1998-09-22
AU4156496A (en) 1996-06-06
WO1996015137A1 (en) 1996-05-23
KR970707137A (ko) 1997-12-01
ITTO940892A0 (it) 1994-11-10
EP0791002A4 (en) 1998-10-07
IT1267497B1 (it) 1997-02-05
EP0791002A1 (en) 1997-08-27

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued