ES2123278T3 - Procedimiento para producir un polimero superabsorbente mejorado. - Google Patents

Procedimiento para producir un polimero superabsorbente mejorado.

Info

Publication number
ES2123278T3
ES2123278T3 ES95928015T ES95928015T ES2123278T3 ES 2123278 T3 ES2123278 T3 ES 2123278T3 ES 95928015 T ES95928015 T ES 95928015T ES 95928015 T ES95928015 T ES 95928015T ES 2123278 T3 ES2123278 T3 ES 2123278T3
Authority
ES
Spain
Prior art keywords
super absorbent
absorbent polymer
procedure
weight
parts
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
ES95928015T
Other languages
English (en)
Inventor
Hiromi Nambu
Akira Umada
Yoshihiko Watanabe
Tadashi Igarashi
Takayuki Amiya
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.)
Kao Corp
Original Assignee
Kao Corp
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 JP06190342A external-priority patent/JP3118779B2/ja
Priority claimed from JP32612794A external-priority patent/JP2938775B2/ja
Application filed by Kao Corp filed Critical Kao Corp
Application granted granted Critical
Publication of ES2123278T3 publication Critical patent/ES2123278T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Epoxy Resins (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

SE DESCRIBE UN PROCEDIMIENTO MEJORADO DE PRODUCCION DE UN POLIMERO SUPERABSORBENTE. DICHO PROCEDIMIENTO, CONSISTE EN AÑADIR A UN POLIMERO SUPERABSORBENTE RETENIDO POR EL AGUA, QUE COMPRENDE DE 10 A 100 PARTES EN PESO DE AGUA POR 100 PARTES EN PESO DE POLIMERO, (A) UN COMPUESTO POLIFUNCIONAL QUE PRESENTA DOS O MAS GRUPOS REACTIVOS, Y SELECCIONADO ENTRE UN POLIMERO HIDROFILICO O UN COMPUESTO METALICO, EN UNA CANTIDAD DE 0''005 A 5 PARTES EN PESO POR 100 PARTES EN PESO DEL POLIMERO SUPERABSORBENTE, Y (B) UN AGENTE RETICULANTE QUE TIENE DOS O MAS GRUPOS FUNCIONALES CAPACES DE REACCIONAR CON EL COMPUESTO POLIFUNCIONAL, CON UNA RELACION EN PESO DEL COMPUESTO POLIFUNCIONAL, RESPECTO DEL AGENTE RETICULANTE DE 0''1 A 0''30; POSTERIORMENTE, SE MEZCLA Y SE FAVORECE LA REACCION DE LA MEZCLA MEDIANTE CALENTAMIENTO.
ES95928015T 1994-08-12 1995-08-10 Procedimiento para producir un polimero superabsorbente mejorado. Expired - Lifetime ES2123278T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP06190342A JP3118779B2 (ja) 1994-08-12 1994-08-12 改良された高吸水性樹脂の製造法
JP32612794A JP2938775B2 (ja) 1994-12-27 1994-12-27 改良された高吸水性樹脂の製造法

Publications (1)

Publication Number Publication Date
ES2123278T3 true ES2123278T3 (es) 1999-01-01

Family

ID=26506023

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95928015T Expired - Lifetime ES2123278T3 (es) 1994-08-12 1995-08-10 Procedimiento para producir un polimero superabsorbente mejorado.

Country Status (8)

Country Link
US (1) US5883158A (es)
EP (1) EP0775161B1 (es)
KR (1) KR100371649B1 (es)
CN (1) CN1064974C (es)
DE (1) DE69505398T2 (es)
ES (1) ES2123278T3 (es)
TW (1) TW326051B (es)
WO (1) WO1996005234A1 (es)

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Also Published As

Publication number Publication date
EP0775161B1 (en) 1998-10-14
WO1996005234A1 (en) 1996-02-22
KR100371649B1 (ko) 2003-05-22
DE69505398T2 (de) 1999-03-11
DE69505398D1 (de) 1998-11-19
TW326051B (en) 1998-02-01
EP0775161A1 (en) 1997-05-28
CN1161047A (zh) 1997-10-01
US5883158A (en) 1999-03-16
CN1064974C (zh) 2001-04-25

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