IT1185510B - Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua - Google Patents

Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua

Info

Publication number
IT1185510B
IT1185510B IT19549/85A IT1954985A IT1185510B IT 1185510 B IT1185510 B IT 1185510B IT 19549/85 A IT19549/85 A IT 19549/85A IT 1954985 A IT1954985 A IT 1954985A IT 1185510 B IT1185510 B IT 1185510B
Authority
IT
Italy
Prior art keywords
blending
gel strength
esp
water absorbent
absorbent polymers
Prior art date
Application number
IT19549/85A
Other languages
English (en)
Other versions
IT8519549A0 (it
Inventor
Mark J Mckinley
Dan P Sheridan
Original Assignee
Dow Chemical 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 to US06554156 priority Critical patent/US4500670B1/en
Priority to EP19850901225 priority patent/EP0211828A4/en
Priority to BR8507179A priority patent/BR8507179A/pt
Priority to PCT/US1985/000235 priority patent/WO1986004910A1/en
Priority to AU39965/85A priority patent/AU566617B2/en
Priority to JP60501031A priority patent/JPS62500033A/ja
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to CA000474515A priority patent/CA1214451A/en
Priority to IT19549/85A priority patent/IT1185510B/it
Publication of IT8519549A0 publication Critical patent/IT8519549A0/it
Priority to JP60504281A priority patent/JPS63500966A/ja
Application granted granted Critical
Publication of IT1185510B publication Critical patent/IT1185510B/it

Links

Classifications

    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • 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
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/203—Solid polymers with solid and/or liquid additives
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/904—Powder coating compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/916—Hydrogel compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Traffic Control Systems (AREA)
  • Colloid Chemistry (AREA)
IT19549/85A 1983-11-22 1985-02-18 Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua IT1185510B (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US06554156 US4500670B1 (en) 1983-11-22 1983-11-22 Composite mixtures for improving gel strength of water absorbent gels
BR8507179A BR8507179A (pt) 1983-11-22 1985-02-14 Um processo para aumentar a forca de gelificacao de uma composicao absorvente de agua
PCT/US1985/000235 WO1986004910A1 (en) 1983-11-22 1985-02-14 Method for increasing the gel strength of a water-absorbent composition
AU39965/85A AU566617B2 (en) 1983-11-22 1985-02-14 Method for increasing the gel strength of a water-absorbent composition
EP19850901225 EP0211828A4 (en) 1983-11-22 1985-02-14 PROCESS FOR INCREASING THE TIXOTROPIC EFFECT OF A WATER ABSORBING COMPOSITION.
JP60501031A JPS62500033A (ja) 1983-11-22 1985-02-14 吸水剤組成物のゲル強度の増加方法
CA000474515A CA1214451A (en) 1983-11-22 1985-02-18 Composite mixtures for improving gel strength of water absorbent gels
IT19549/85A IT1185510B (it) 1983-11-22 1985-02-18 Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua
JP60504281A JPS63500966A (ja) 1983-11-22 1985-09-27 道路の安全性改善を容易にする装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06554156 US4500670B1 (en) 1983-11-22 1983-11-22 Composite mixtures for improving gel strength of water absorbent gels
PCT/US1985/000235 WO1986004910A1 (en) 1983-11-22 1985-02-14 Method for increasing the gel strength of a water-absorbent composition
CA000474515A CA1214451A (en) 1983-11-22 1985-02-18 Composite mixtures for improving gel strength of water absorbent gels
IT19549/85A IT1185510B (it) 1983-11-22 1985-02-18 Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua

Publications (2)

Publication Number Publication Date
IT8519549A0 IT8519549A0 (it) 1985-02-18
IT1185510B true IT1185510B (it) 1987-11-12

Family

ID=32475441

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19549/85A IT1185510B (it) 1983-11-22 1985-02-18 Metodo per aumentare la resistenza di gel in una composizione assorbente dell'acqua

Country Status (8)

Country Link
US (1) US4500670B1 (it)
EP (1) EP0211828A4 (it)
JP (2) JPS62500033A (it)
AU (1) AU566617B2 (it)
BR (1) BR8507179A (it)
CA (1) CA1214451A (it)
IT (1) IT1185510B (it)
WO (1) WO1986004910A1 (it)

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JPS63500966A (ja) 1988-04-07
IT8519549A0 (it) 1985-02-18
AU3996585A (en) 1986-09-10
US4500670B1 (en) 1994-12-27
AU566617B2 (en) 1987-10-22
WO1986004910A1 (en) 1986-08-28
CA1214451A (en) 1986-11-25
EP0211828A4 (en) 1987-06-29
JPS62500033A (ja) 1987-01-08
US4500670A (en) 1985-02-19
BR8507179A (pt) 1987-07-14
EP0211828A1 (en) 1987-03-04

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