CN1122067C - 可加工性改进的超吸收性能聚合物 - Google Patents

可加工性改进的超吸收性能聚合物 Download PDF

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Publication number
CN1122067C
CN1122067C CN98804678A CN98804678A CN1122067C CN 1122067 C CN1122067 C CN 1122067C CN 98804678 A CN98804678 A CN 98804678A CN 98804678 A CN98804678 A CN 98804678A CN 1122067 C CN1122067 C CN 1122067C
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CN
China
Prior art keywords
composition
water
aqueous solution
additive
additive aqueous
Prior art date
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Expired - Lifetime
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CN98804678A
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English (en)
Chinese (zh)
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CN1254354A (zh
Inventor
H·A·加特纳
T·L·斯特普尔斯
M·菲亚阔斯基
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Evonik Operations GmbH
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Dow Chemical Co
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Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of CN1254354A publication Critical patent/CN1254354A/zh
Application granted granted Critical
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    • 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
    • C08J3/12—Powdering or granulating
    • 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
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • 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
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CN98804678A 1997-04-29 1998-03-05 可加工性改进的超吸收性能聚合物 Expired - Lifetime CN1122067C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4441797P 1997-04-29 1997-04-29
US60/044,417 1997-04-29

Publications (2)

Publication Number Publication Date
CN1254354A CN1254354A (zh) 2000-05-24
CN1122067C true CN1122067C (zh) 2003-09-24

Family

ID=21932281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98804678A Expired - Lifetime CN1122067C (zh) 1997-04-29 1998-03-05 可加工性改进的超吸收性能聚合物

Country Status (8)

Country Link
US (1) US6323252B1 (https=)
EP (1) EP0979250B1 (https=)
JP (1) JP4271736B2 (https=)
KR (1) KR100639053B1 (https=)
CN (1) CN1122067C (https=)
DE (1) DE69823179T2 (https=)
TW (1) TW491874B (https=)
WO (1) WO1998049221A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI582114B (zh) * 2013-12-11 2017-05-11 Ｌｇ化學股份有限公司 超吸水性聚合物樹脂及用於製備彼之方法

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US6514615B1 (en) * 1999-06-29 2003-02-04 Stockhausen Gmbh & Co. Kg Superabsorbent polymers having delayed water absorption characteristics
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JP2001523287A (ja) 2001-11-20
JP4271736B2 (ja) 2009-06-03
EP0979250B1 (en) 2004-04-14
KR20010020403A (ko) 2001-03-15
CN1254354A (zh) 2000-05-24
DE69823179T2 (de) 2005-04-21
US6323252B1 (en) 2001-11-27
WO1998049221A1 (en) 1998-11-05
DE69823179D1 (de) 2004-05-19
TW491874B (en) 2002-06-21
KR100639053B1 (ko) 2006-10-27
EP0979250A1 (en) 2000-02-16

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