WO2015097036A1 - Hydrogels polysaccharidiques - Google Patents

Hydrogels polysaccharidiques Download PDF

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Publication number
WO2015097036A1
WO2015097036A1 PCT/EP2014/078226 EP2014078226W WO2015097036A1 WO 2015097036 A1 WO2015097036 A1 WO 2015097036A1 EP 2014078226 W EP2014078226 W EP 2014078226W WO 2015097036 A1 WO2015097036 A1 WO 2015097036A1
Authority
WO
WIPO (PCT)
Prior art keywords
cross
polysaccharide
linker
linked
composition
Prior art date
Application number
PCT/EP2014/078226
Other languages
English (en)
Inventor
Harald Keller
Alexander Wissemeier
Wolfgang Weigelt
Jorge SANZ-GOMEZ
Motonori Yamamoto
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of WO2015097036A1 publication Critical patent/WO2015097036A1/fr

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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/075—Macromolecular gels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/2053—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the additives only being premixed with a liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/21—Urea; Derivatives thereof, e.g. biuret
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C09K17/32—Prepolymers; Macromolecular compounds of natural origin, e.g. cellulosic materials
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
    • A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers
    • C08J2301/28—Alkyl ethers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Cette invention concerne une composition superabsorbante comprenant un polysaccharide réticulé et une urée, le polysaccharide réticulé comprenant des chaînes polysaccharidiques, qui sont réticulées chimiquement par des ponts ester, lesdits ponts ester étant séparés par un lieur aliphatique L ; un produit de traitement du sol comprenant la composition superabsorbante selon l'invention et au moins un ingrédient supplémentaire choisi dans le groupe constitué par les charges, les nutriments, les engrais, les pesticides et leurs combinaisons ; et un procédé de production de la composition superabsorbante selon l'invention et son utilisation à des fins agricoles.
PCT/EP2014/078226 2013-12-23 2014-12-17 Hydrogels polysaccharidiques WO2015097036A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13199287.7 2013-12-23
EP13199287 2013-12-23

Publications (1)

Publication Number Publication Date
WO2015097036A1 true WO2015097036A1 (fr) 2015-07-02

Family

ID=49917499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/078226 WO2015097036A1 (fr) 2013-12-23 2014-12-17 Hydrogels polysaccharidiques

Country Status (1)

Country Link
WO (1) WO2015097036A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108003391A (zh) * 2017-12-01 2018-05-08 武汉理工大学 一种全多糖衍生物基超吸水凝胶及其制备方法和应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1193288A1 (fr) * 2000-09-20 2002-04-03 National Starch and Chemical Investment Holding Corporation Sytèmes réticulants à partir de la mono(hydroxyalkyl) urée et du polyscaccharide
WO2012170682A1 (fr) * 2011-06-07 2012-12-13 One S.R.L. Procédé de fabrication d'hydrogels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1193288A1 (fr) * 2000-09-20 2002-04-03 National Starch and Chemical Investment Holding Corporation Sytèmes réticulants à partir de la mono(hydroxyalkyl) urée et du polyscaccharide
WO2012170682A1 (fr) * 2011-06-07 2012-12-13 One S.R.L. Procédé de fabrication d'hydrogels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHANG C ET AL: "Superabsorbent hydrogels based on cellulose for smart swelling and controllable delivery", EUROPEAN POLYMER JOURNAL, PERGAMON PRESS LTD. OXFORD, GB, vol. 46, no. 1, 1 January 2010 (2010-01-01), pages 92 - 100, XP026771475, ISSN: 0014-3057, [retrieved on 20090509], DOI: 10.1016/J.EURPOLYMJ.2009.04.033 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108003391A (zh) * 2017-12-01 2018-05-08 武汉理工大学 一种全多糖衍生物基超吸水凝胶及其制备方法和应用

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