BRPI0509362A - agente absorvedor de lìquido aquoso e seu processo de produção - Google Patents

agente absorvedor de lìquido aquoso e seu processo de produção

Info

Publication number
BRPI0509362A
BRPI0509362A BRPI0509362-7A BRPI0509362A BRPI0509362A BR PI0509362 A BRPI0509362 A BR PI0509362A BR PI0509362 A BRPI0509362 A BR PI0509362A BR PI0509362 A BRPI0509362 A BR PI0509362A
Authority
BR
Brazil
Prior art keywords
less
aqueous liquid
agent
liquid absorbing
monomer
Prior art date
Application number
BRPI0509362-7A
Other languages
English (en)
Inventor
Hiroyuki Ikeuchi
Kazushi Torii
Shigeru Sakamoto
Taku Iwamura
Sayaka Machida
Original Assignee
Nippon Catalytic Chem Ind
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 Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BRPI0509362A publication Critical patent/BRPI0509362A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

AGENTE ABSORVEDOR DE LìQUIDO AQUOSO E SEU PROCESSO DE PRODUçãO Um agente absorvedor de líquido aquoso de acordo com essa invenção é aquele compreendendo partículas de resina absorvedora de água como componentes essenciais, em que as partículas são obtidas por um processo incluindo o passo de polimerizar um monómero etilenicamente insaturado solúvel em água e ter uma estrutura de ligação cruzada no seu interior; com o agente exibindo FSR não inferior a 0,2 g/g/s,CRC de 5 a 25 g/g, SFC não inferior a 400 x <sym>7?<sym>.s/g, e uma porosidade úmida não menor do que 20%. Um processo de acordo com essa invenção para obter tal agente é caracterizado por compreender os passos de: obter um hidrogel de uma solução de monómero aquosa incluindo um monómero etilenicamente insaturado solúvel em água e um agente de ligação cruzada interna de não menos do que 0,2 mol% na proporção do monómero, e em seguida extrusando esse hidrogel de uma estrutura perfurada com diâmetros de perfuração na faixa de 0,3 a 6,4 mm para, dessa forma, pulverizar o hidrogel.
BRPI0509362-7A 2004-03-31 2005-03-11 agente absorvedor de lìquido aquoso e seu processo de produção BRPI0509362A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004105117 2004-03-31
PCT/JP2005/004858 WO2005097313A1 (en) 2004-03-31 2005-03-11 An aqueous-liquid-absorbing agent and its production process

Publications (1)

Publication Number Publication Date
BRPI0509362A true BRPI0509362A (pt) 2007-09-11

Family

ID=35124879

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0509362-7A BRPI0509362A (pt) 2004-03-31 2005-03-11 agente absorvedor de lìquido aquoso e seu processo de produção

Country Status (9)

Country Link
US (1) US7981833B2 (pt)
EP (1) EP1729881A4 (pt)
JP (1) JP4866733B2 (pt)
KR (1) KR20070007162A (pt)
CN (1) CN1938083B (pt)
BR (1) BRPI0509362A (pt)
MX (1) MXPA06010965A (pt)
RU (1) RU2337750C2 (pt)
WO (1) WO2005097313A1 (pt)

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JP6646042B2 (ja) * 2014-05-08 2020-02-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 吸水性ポリマー粒子の製造方法
KR102358726B1 (ko) * 2014-05-08 2022-02-04 바스프 에스이 수 흡수성 폴리머 입자
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US20070207924A1 (en) 2007-09-06
EP1729881A1 (en) 2006-12-13
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KR20070007162A (ko) 2007-01-12
JP2007529295A (ja) 2007-10-25
US7981833B2 (en) 2011-07-19
RU2337750C2 (ru) 2008-11-10
RU2006138239A (ru) 2008-05-10
CN1938083A (zh) 2007-03-28
CN1938083B (zh) 2011-06-08
MXPA06010965A (es) 2006-12-31
WO2005097313A1 (en) 2005-10-20

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