CA2591801A1 - Biodegradable, super absorbent polymer hydrogels and a method for their preparation - Google Patents

Biodegradable, super absorbent polymer hydrogels and a method for their preparation Download PDF

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Publication number
CA2591801A1
CA2591801A1 CA002591801A CA2591801A CA2591801A1 CA 2591801 A1 CA2591801 A1 CA 2591801A1 CA 002591801 A CA002591801 A CA 002591801A CA 2591801 A CA2591801 A CA 2591801A CA 2591801 A1 CA2591801 A1 CA 2591801A1
Authority
CA
Canada
Prior art keywords
water
gel
weight
carbodiimide
aqueous solution
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
CA002591801A
Other languages
English (en)
French (fr)
Inventor
Luigi Ambrosio
Luigi Nicolais
Alessandro Sannino
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.)
Individual
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 CA2591801A1 publication Critical patent/CA2591801A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • C08J3/246—Intercrosslinking of at least two polymers
    • 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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA002591801A 2004-12-29 2005-12-28 Biodegradable, super absorbent polymer hydrogels and a method for their preparation Abandoned CA2591801A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000918A ITTO20040918A1 (it) 2004-12-29 2004-12-29 Idrogel polimerici superassorbenti biodegradabili e procedimento per la loro preparazione
ITTO2004A000918 2004-12-29
PCT/IB2005/054412 WO2006070337A2 (en) 2004-12-29 2005-12-28 Biodegradable, super absorbent polymer hydrogels and a method for their preparation

Publications (1)

Publication Number Publication Date
CA2591801A1 true CA2591801A1 (en) 2006-07-06

Family

ID=36615302

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002591801A Abandoned CA2591801A1 (en) 2004-12-29 2005-12-28 Biodegradable, super absorbent polymer hydrogels and a method for their preparation

Country Status (12)

Country Link
US (1) US20080227944A1 (enExample)
EP (1) EP1836227B1 (enExample)
JP (1) JP2008533215A (enExample)
CN (1) CN101128488A (enExample)
AT (1) ATE468357T1 (enExample)
AU (1) AU2005320976A1 (enExample)
BR (1) BRPI0517581A (enExample)
CA (1) CA2591801A1 (enExample)
DE (1) DE602005021400D1 (enExample)
IT (1) ITTO20040918A1 (enExample)
RU (1) RU2007128946A (enExample)
WO (1) WO2006070337A2 (enExample)

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CN113017989A (zh) * 2021-02-26 2021-06-25 福建省明辉机械制造有限公司 一种超薄透气卫生巾制备方法

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JP6177233B2 (ja) * 2011-06-07 2017-08-09 ジェレシス エルエルシー ヒドロゲルを生成するための方法
CN102276854B (zh) * 2011-07-08 2013-01-02 西安交通大学 一种高强度天然高分子水凝胶的制备方法
CN102443180A (zh) * 2011-09-15 2012-05-09 复旦大学 一种制备纤维素复合气凝胶的方法
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GB201304467D0 (en) 2013-03-12 2013-04-24 Tdeltas Ltd Compound for use in protecting skin
KR102265842B1 (ko) 2013-03-14 2021-06-15 옥스포드 유니버시티 이노베이션 리미티드 (ｒ)­３­하이드록시부틸 (ｒ)­３­하이드록시부티레이트를 생산하는 방법
BR112016029713A8 (pt) 2014-06-20 2021-07-20 Gelesis Llc uso de uma carboximetilcelulose reticulada e uso de um agente gelificante
CN104448396B (zh) * 2014-11-28 2017-06-16 武汉大学 一种基于化学和物理交联的双网络纤维素凝胶系材料
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CN106963673B (zh) * 2017-02-16 2021-02-23 玉林祺钟商贸有限公司 一种睫毛液及其制备方法
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CN113248743B (zh) * 2021-06-18 2023-09-12 嘉兴映生生物有限公司 一种生物相容的可降解的三维纤维素凝胶及其制备方法和应用
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113017989A (zh) * 2021-02-26 2021-06-25 福建省明辉机械制造有限公司 一种超薄透气卫生巾制备方法

Also Published As

Publication number Publication date
JP2008533215A (ja) 2008-08-21
WO2006070337A9 (en) 2007-06-21
CN101128488A (zh) 2008-02-20
EP1836227A2 (en) 2007-09-26
DE602005021400D1 (de) 2010-07-01
EP1836227B1 (en) 2010-05-19
WO2006070337A2 (en) 2006-07-06
RU2007128946A (ru) 2009-02-10
US20080227944A1 (en) 2008-09-18
WO2006070337A3 (en) 2007-03-01
ITTO20040918A1 (it) 2005-03-29
AU2005320976A1 (en) 2006-07-06
ATE468357T1 (de) 2010-06-15
BRPI0517581A (pt) 2008-10-14

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Legal Events

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FZDE Discontinued