CA2462053C - Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion - Google Patents

Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion Download PDF

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Publication number
CA2462053C
CA2462053C CA2462053A CA2462053A CA2462053C CA 2462053 C CA2462053 C CA 2462053C CA 2462053 A CA2462053 A CA 2462053A CA 2462053 A CA2462053 A CA 2462053A CA 2462053 C CA2462053 C CA 2462053C
Authority
CA
Canada
Prior art keywords
starch
absorbent
extrudate
absorbent material
group
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 - Lifetime
Application number
CA2462053A
Other languages
English (en)
Other versions
CA2462053A1 (fr
Inventor
Claude Thibodeau
David Bergeron
Isabelle Bolduc
Claude Couture
Nicolas Nourry
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.)
Archer Daniels Midland Co
Original Assignee
Archer Daniels Midland 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
Priority claimed from CA002423712A external-priority patent/CA2423712A1/fr
Application filed by Archer Daniels Midland Co filed Critical Archer Daniels Midland Co
Priority to CA2462053A priority Critical patent/CA2462053C/fr
Publication of CA2462053A1 publication Critical patent/CA2462053A1/fr
Application granted granted Critical
Publication of CA2462053C publication Critical patent/CA2462053C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B35/00Preparation of derivatives of amylopectin
    • 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
    • C08B31/00Preparation of derivatives of starch
    • C08B31/003Crosslinking of starch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biochemistry (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

La présente invention concerne un matériau absorbant consistant en un réseau de molécules d'amidon, ces dernières ayant une teneur massique d'amylopectine d'au moins 90 %. Le réseau moléculaire peut comporter soit des amidons autoembrouillés ou des amidons réticulés.
CA2462053A 2003-03-26 2004-03-26 Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion Expired - Lifetime CA2462053C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2462053A CA2462053C (fr) 2003-03-26 2004-03-26 Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002423712A CA2423712A1 (fr) 2003-03-26 2003-03-26 Amylopectine reticulee obtenue par extrusion reactive et utilisation dudit compose comme materiau absorbant ou superabsorbant
CA2,423,712 2003-03-26
CA2462053A CA2462053C (fr) 2003-03-26 2004-03-26 Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion

Publications (2)

Publication Number Publication Date
CA2462053A1 CA2462053A1 (fr) 2004-09-26
CA2462053C true CA2462053C (fr) 2011-05-31

Family

ID=33098721

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2462053A Expired - Lifetime CA2462053C (fr) 2003-03-26 2004-03-26 Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion

Country Status (1)

Country Link
CA (1) CA2462053C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2443059A1 (fr) 2003-09-29 2005-03-29 Le Groupe Lysac Inc. Nanocomposites superabsorbants a base de polysaccharide et d'argile
CA2481491A1 (fr) 2004-09-14 2006-03-14 Le Groupe Lysac Inc. Polysaccharides a groupements amidine ou guanidine, utilisation de ceux-ci comme absorbants et procede de synthese connexe
JP5765884B2 (ja) * 2006-09-25 2015-08-19 アーチャー−ダニエルズ−ミッドランド カンパニー 超吸収性表面処理カルボキシアルキル化多糖類及びその製造方法
US9547000B2 (en) 2012-08-29 2017-01-17 7905122 Canada Inc. Chromogenic absorbent material for animal litter and related chromogenic solution
WO2015127528A1 (fr) 2014-02-27 2015-09-03 7905122 Canada Inc. Matériau absorbant chromogène pour litière animale
US10583420B2 (en) 2014-10-01 2020-03-10 7905122 Canada Inc. Process and apparatus for manufacturing water-absorbing material and use in cat litter
WO2017165953A1 (fr) 2016-04-01 2017-10-05 7905122 Canada Inc. Matériau absorbant l'eau et ses utilisations
CN120590580B (zh) * 2025-07-07 2026-03-03 河南省科学院化学研究所 一种连续高效制备淀粉基水凝胶的方法

Also Published As

Publication number Publication date
CA2462053A1 (fr) 2004-09-26

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Effective date: 20240326