KR970061926A - 코아-쉘 구조의 초흡수성 중합체 및 그의 제조방법 - Google Patents

코아-쉘 구조의 초흡수성 중합체 및 그의 제조방법 Download PDF

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Publication number
KR970061926A
KR970061926A KR1019970003792A KR19970003792A KR970061926A KR 970061926 A KR970061926 A KR 970061926A KR 1019970003792 A KR1019970003792 A KR 1019970003792A KR 19970003792 A KR19970003792 A KR 19970003792A KR 970061926 A KR970061926 A KR 970061926A
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superabsorbent polymer
crosslinker
polymer
diglycidyl ether
powder obtained
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KR1019970003792A
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KR100264943B1 (ko
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끄리스티앙 꼴레뜨
마뉘엘 이달고
앙드레 코왈리
엠마누엘 뷔슈와
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싸라프 따렉
엘프 아토켐 에스.에이.
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    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/32—Polymerisation in water-in-oil emulsions
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Graft Or Block Polymers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

본 발명은 식염수에 대한 흡수성이 50g/g 이상이고, 겔 베드 1.5g당 5kPa 로드하에서 20g/g 이상의 생리식 염수 흡수능을 갖고, 겔 베드가 500g 이상의 다공성을 갖는, 분말형태의 부분적으로 가교결합된 초흡수성 중합체에 관한 것이다.

Description

코아-쉘 구조의 초흡수성 중합체 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 식엽수 흠수능이 50g/g 이상이고, 그의 겔 베드는 20g/g의 식염수 흡수능을 갖고, 500g 이상의 다공성을 갖는, 부분적으로 가교결합된 초흡수성 중합체.
  2. 제1항에 있어서, 그의 다공성이 1000g 이상인 것을 특징으로 하는 초흡수성 중합체.
  3. 제1항 또는 제2항에있어서, 식염수 흡수능이 50 내지 57g/g인 것을 특징으로 하는 초흡수성 중합체.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서,입자의 크기가 100 내지 800㎕이고, 100㎕ 이하의 입자가 1% 이하인 것을 특징으로 하는 초흡수성 중합체.
  5. 헵탄증 현탁액상태의 상기 초흡수성 중합체 분말에 적용된 가교결합제 수용액의 도움을 통한 사후가교결합 또는 가교결합제 수용액의 도움을 통한 동가의 탄화수소의 처리로 구성되는, 상기 초흡수성 중합체의 수분 함량이, 무수 초흡수성 중합체의 중량에 관하여 물의 중량으로서 표현된, 0.30 내지 0.50의 값에 이른 것을 특징으로 하는, 제1항의 생성물의 제조방법.
  6. 제5항에 있어서, 초흡수성 중합체가 폴리아크릴산 또는 메트아크릴산, 또는 그들의 알칼리 금속염의 부분적으로 가교결합된 중합체로 이루어진 것을 특징으로 하는 방법.
  7. 제5항에 있어서, 사후가교결합처리되는 초흡수성 중합체 분말이 겔 공정으로부터 유래된 초흡수성 중합체를 분쇄함으로써 수득된 건조분말인 것을 특징으로 하는 방법.
  8. 제5항에 있어서, 초흡수성 중합체가 역현탁내 중합화 공정에 따라 수득된 건조분말인 것을 특징으로 하는 방법.
  9. 제5 내지 제8항 중 어느 한 항에 있어서, 초흡수성 중합체가 역현탁내 중합화 공정에 따라 수득된 함습분말인 것을 특징으로 하는 방법.
  10. 제5항에 있어서, 가교결합체가 다올 디글리시딜 에테르인 것을 특징으로 하는 방법.
  11. 제10항에 있어서, 디올 디글리시딜 에테르가 에틸렌 글리콜 디글리시딜 에테르인 것을 특징으로 하는 방법.
  12. 제10항 또는 제11항에 있어서, 가교결합체의 양이 초흡수성 중합체 질량에 대해 500ppm 이상인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970003792A 1996-02-07 1997-02-06 코아-쉘 구조의 초흡수성 중합체 및 그의 제조방법 KR100264943B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9601502 1996-02-07
FR9601502A FR2744456A1 (fr) 1996-02-07 1996-02-07 Polymeres superabsorbants a structure coeur-coquille et leur procede d'obtention

Publications (2)

Publication Number Publication Date
KR970061926A true KR970061926A (ko) 1997-09-12
KR100264943B1 KR100264943B1 (ko) 2000-09-01

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Country Status (11)

Country Link
US (1) US5976696A (ko)
EP (1) EP0789048B1 (ko)
JP (1) JP3485431B2 (ko)
KR (1) KR100264943B1 (ko)
CN (1) CN1071767C (ko)
AT (1) ATE329955T1 (ko)
CA (1) CA2196911C (ko)
DE (1) DE69736086T2 (ko)
DK (1) DK0789048T3 (ko)
ES (1) ES2267122T3 (ko)
FR (1) FR2744456A1 (ko)

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KR20160127742A (ko) * 2014-02-28 2016-11-04 가부시키가이샤 닛폰 쇼쿠바이 폴리(메트)아크릴산(염)계 입자상 흡수제 및 제조 방법
WO2019189326A1 (ja) * 2018-03-27 2019-10-03 住友精化株式会社 土嚢及びその製造方法
JP7386809B2 (ja) * 2018-12-12 2023-11-27 住友精化株式会社 吸水性樹脂粒子
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FR3101350B1 (fr) 2019-09-26 2021-11-12 Aprotek Matériau asséchant permettant de faciliter le recyclage des bétons résiduels
FR3112146B1 (fr) 2020-07-06 2023-03-17 Aprotek Composition asséchante pour faciliter le transport des boues huileuses
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FR3114980B1 (fr) 2020-10-14 2022-12-16 Aprotek Composition asséchante pour faciliter le transport des boues salées
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ES2267122T3 (es) 2007-03-01
KR100264943B1 (ko) 2000-09-01
DE69736086T2 (de) 2007-01-18
CN1161348A (zh) 1997-10-08
JPH09323038A (ja) 1997-12-16
FR2744456A1 (fr) 1997-08-08
EP0789048A1 (fr) 1997-08-13
EP0789048B1 (fr) 2006-06-14
CA2196911A1 (fr) 1997-08-08
JP3485431B2 (ja) 2004-01-13
US5976696A (en) 1999-11-02
ATE329955T1 (de) 2006-07-15
DK0789048T3 (da) 2006-10-16
DE69736086D1 (de) 2006-07-27
CA2196911C (fr) 2000-04-18
CN1071767C (zh) 2001-09-26

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