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KR890008243A - 고흡수성을 갖는 중합체조성물및 이의제조공정 - Google Patents

고흡수성을 갖는 중합체조성물및 이의제조공정 Download PDF

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KR890008243A
KR890008243A KR1019880015167A KR880015167A KR890008243A KR 890008243 A KR890008243 A KR 890008243A KR 1019880015167 A KR1019880015167 A KR 1019880015167A KR 880015167 A KR880015167 A KR 880015167A KR 890008243 A KR890008243 A KR 890008243A
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monomer
beta
acrylate
water
acid
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창 칭-젠
더위트 윌터
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윌리암. 이. 람베르트 3세
톰 앤드 하스 캄파니
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Publication of KR890008243A publication Critical patent/KR890008243A/ko

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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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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

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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)
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  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Polymerisation Methods In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

내용 없음

Description

고흡수성을 갖는 중합체조성물 및 이의제조공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (23)

  1. 아크릴산과 아크릴산의 수용성염에서 선택되는 최소하나의 제1친수성단량체, 및 후술하는 최소 하나의 제2친수성단량체가 없을때 중합직후 일어날 수 있는 반응 혼합물의 상분리(phase separation) 확산을 최소한 감소시키는데 효과적인량의 최소 하나의 제2친수성단량체, 를 포함하는 단량체로부터 중합된 본질적으로 물-불용성 공중합물을 포함함을 특징으로하는 수성유체를 흡수및 보존하기위한 고흡수중합체조성물.
  2. 1항에 있어서, 상기 제2친수성단량체를 베타-아크릴 옥시프로피온산, 베타-아크릴옥시프로피온산의 수용성염, 2-히드록시에틸 메타크릴레이트, (C1-C4)알콕시(C1-C4)알킬(메트)아크릴레이트, (C1-C4)알콕시(C1-C4)알콕시(C1-C4)알킬(메트)아크릴레이트, HO(CH2CH20)nH (여기서 n은 2-10의 정수)의 모노(메트)아크릴레이트에스테르, 및 CH3O(CH2CH2O)xH(여기서 x는 2-10의 정수)의(메트)아크릴레이트 에스테르, 로부터 선택됨을 특징으로하는 고흡수중합체조성물.
  3. 2항에 있어서, 상기조성물은 아크릴산의 수용성염 및 베타아크릴옥시프로피온산의 수용성염을 포함하는 수용액 단량체내에서 중합함으로써 제조되는 물-불용성 중합체를 포함하고, 베타-아크릴옥시프로피온산의 염은 단량체중량의 최소 약 2중량%이며, 수용액의 pH는 유리산형태의 아크릴산 및 베타-아크릴옥시프로피온산을 본질적을 제외시키기 위하여 조절됨을 특징으로하는 고흡수중합체조성물.
  4. 2항에 있어서, 상기 물-불용성 공중합물은 최소하나의 아크릴산 수용성염, 최소 약 5중량%의 베타-아크릴옥시 프리피온산 수용성염, 및 최소 2개의 중합가능한 에틸렌게 불포화기(ethylenically unsaturated groups)를 포함하는 교차결합단량체, 를 포함하는 단량체로부터 중합됨을 특징으로 하는 고흡수중합체조성물.
  5. 4항에 있어서, 최소하나의 아크릴산염은 아크릴산나트륨(sodium acrylate)이며, 베타-아크릴옥시프로피온산염은 베타아크릴옥시프로피온산나트륨(sodium, heta-acryloxypropionate)임을 특징으로하는 고흡수중합체조성물.
  6. 4항에 있어서, 상기 교차결합단량체는 폴리에틸렌글리콜 디메타크릴레이트임을 특징으로하는 고흡수중합체조성물.
  7. 2항에 있어서, 상기 제2친수성단량체는 2-히드록시에틸 메타크릴레이트, 2-메톡시에틸아크릴레이트 및 2-(2-메톡시에톡시)에틸 아크릴레이트로부터 선택됨을 특징으로 하는 고흡수중합체조성물.
  8. 2항에 있어서, 상기 제2친수성단량체는 약90의 평균분자량을 갖는 폴리에틸렌글리콜의 모노메타크릴레이트에스 테르임을 특징으로하는 고흡수중합체조성물.
  9. 2항에 있어서, 상기 제2천수성단량체는 상분리를 방지 하는데 효과적인량으로 존재함을 특징으로 하는 고흡수중합체 조성물.
  10. (a) 아크릴산과 아크릴산의 수용성염에서 선택되는 최소하나의 제1친수성단량체, 및 후술하는 최소하나의 제2친수성단량체가 없을때 중합직후 일어날 수 있는 반응혼합물의 상 분리 확산을 최소한 감소시키는 데 효과적인 량의 최소하나의 제2친수성단량체를 포함하는 단량체 혼합물을 제조하는단계 ; 및 (b) 상기단량체 혼합물을 중합하는 단계 ; 를 포함함을 특징으로하는 수성유체를 흡수 및 보존 하기위한 고흡수중합체조성물의 제조공정.
  11. 10항에 있어서, 상기 제2친수성 단량체는 베타-아크릴 옥시프로피온산, 베타-아크릴옥시프로피온산의 수용성염, 2-히드록시에틸메타크릴레이트, (C1-C4)알콕시(C1-C4)알킬(메트)아크릴레이트, (C1-C4)알콕시(C1-C4)알콕시(C1-C4)알킬(메트)아크릴레이트, HO(CH2CH20)nH(여기서 n은 2-10인 정수)의 모노(메트)아크릴레이트 에스테르, 및 CH3O(CH2CH2O)xH(여기서 x는 2-10인 정수)의(메트)아크릴레이트에스테르로부터 선택됨을 특징으로하는 고흡수중합체조성물의 제조공정.
  12. 10항에 있어서, 상기 단량체혼합물은 최소하나의 아크릴산 수용성염 및 베타-아크릴옥시프로피온산 수용성염을 포함하며, 상기 베타-아클릴옥시 프로피온산염은 단량체 혼합물의 최소 약5중량%이며, 상기단량체 혼합물은 수용액내에서 중합되며, 수용액의 pH는 유리산형태의 아크릴산및 베타-아크릴옥시프로피온산을 본질적으로 제외시키기위해 조절됨을 특징으로 하는 고흡수중합체조성물의 제조공정.
  13. 11항에 있어서, 상기 단량체혼합물은 최소하나의 아크릴산 수용성염, 최소 약 5중량%의 베타-아크릴 옥시프로피온산 수용성염, 및 최소 2개의 중합가능한 에틸렌계 불포화기를 포함하는 교차결합단량체를 포함함을 특징으로하는 호흡수 중합체조성물의 제조공정.
  14. 13항에 있어서, 최소하나의 아크릴산염은 아크릴산 나트륨이며, 베타-아크릴옥시프로피온산의염은 베타-아크릴 옥시프로피온산나트륨임을 특징으로하는 고흡수중합체조성물의 제조공정.
  15. 13항에 있어서, 상기 교차결합단량체는 폴리에틸렌글리콜 디메타크릴레이트임을 특징으로하는 고흡수중합체 조성물의 제조공정.
  16. 11항에 있어서, 상기 제2친수성단량체는 2-히드록시에틸 메타크릴레이트, 2-메톡시에틸아크릴레이트 및 2-(2-메톡시에톡시)에틸 아크릴레이트로부터 선택됨을 특징으로 하는 고흡수 중합체조성물의 제조공정.
  17. 11항에 있어서, 상기 제2친수성단량체는 약 90의 평균 분자량을 갖는 폴리에틸렌글리콜의 모노메타크릴레이트 에스테르임을 특징으로 하는 고흡수 중합체조성물의 제조공정.
  18. 11항에 있어서, 상기 제2친수성단량체는 상분리를 방지하는데 효과적인 량으로 존재함을 특징으로 하는 고흡수 중합체조성물의 제조공정.
  19. 11항에 있어서, 상기 단량체혼합물은 가열된 표면상에서 도포되며, 가열된 표면은 단량체혼합물의 온도를 상승시켜 단량체를 중합하고 중합된물질을 건조시킴을 특징으로하는 고흡수중합체조성물의 제조공정.
  20. 19항에 있어서, 상기 가열된표면은 벨트 건조기의 가열된 벨트에 의해 제공됨을 특징으로하는 고흡수중합체조성물의 제조공정.
  21. 19항에 있어서, 상기 가열된 표면은 회전드럼건조기(rotary drum drier)의 가열된 드럼에 의해 제공됨을 특징으로하는 고흡수중합체조성물의 제조공정.
  22. 11항에 있어서, 나아가 함수율 약20중량%이하까지 고흡수물질을 건조하고 건조된 물질을 분쇄시킴을 포함함을 특징으로 하는 고흡수중합체조성물의 제조공정.
  23. 22항에 있어서, 나아가 함수율 약2-7중량%범위로 파우더형태의 고흡수물질을 건조시킴을 특징으로하는 고흡수중합체조성물의 제조공정.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880015167A 1987-11-17 1988-11-17 고흡수성을 갖는 중합체조성물및 이의제조공정 KR890008243A (ko)

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US07/121,567 US4914170A (en) 1987-11-17 1987-11-17 Superabsorbent polymeric compositions and process for producing the same
US121,567 1987-11-17

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KR890008243A true KR890008243A (ko) 1989-07-10

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US (1) US4914170A (ko)
EP (1) EP0317138A3 (ko)
JP (1) JPH01165610A (ko)
KR (1) KR890008243A (ko)
CN (1) CN1023897C (ko)
AU (1) AU622421B2 (ko)
BR (1) BR8805820A (ko)
DK (1) DK639688A (ko)
FI (1) FI885318L (ko)
MX (1) MX166846B (ko)
NO (1) NO172805C (ko)
NZ (1) NZ226922A (ko)
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CN1034372A (zh) 1989-08-02
US4914170A (en) 1990-04-03
NO884980L (no) 1989-05-18
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NO172805C (no) 1993-09-08
PH25235A (en) 1991-03-27
NZ226922A (en) 1991-10-25
CN1023897C (zh) 1994-03-02
EP0317138A2 (en) 1989-05-24
FI885318A0 (fi) 1988-11-16
FI885318L (fi) 1989-05-18
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AU2513388A (en) 1989-05-18
DK639688A (da) 1989-05-18

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