KR910000815A - 흡수성 수지및 그 제법 - Google Patents

흡수성 수지및 그 제법 Download PDF

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KR910000815A
KR910000815A KR1019890008815A KR890008815A KR910000815A KR 910000815 A KR910000815 A KR 910000815A KR 1019890008815 A KR1019890008815 A KR 1019890008815A KR 890008815 A KR890008815 A KR 890008815A KR 910000815 A KR910000815 A KR 910000815A
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water
polymer powder
absorbent resin
range
crosslinking agent
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KR1019890008815A
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KR930007306B1 (ko
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나가수나 긴야
기무라 가쥬마사
남바 다까시
나도나가 겐지
미야께 고지
시모무라 다다오
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나까지마 찌까시
닙븐 쇼쿠바이 가와쿠 고오교 주식회사
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    • 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
    • C08J3/12—Powdering or granulating
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • 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

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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)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

내용 없음

Description

흡수성 수지및 그 제법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도 실시예 6으로 부터 수득된 구형 흡수성 수지(A 16)의 입자구조를 나타내는 광학현미경 사진,
제 2 도 실시예 8로부터 수득된 비엔나 소시지형 흡수성 수지(A 18)의 입자구조를 나타내는 광학현미경 사진.

Claims (13)

100-600㎛의 평균입자경을 가짐과 동시에 입자경 분포가 대수표준차 값()으로 0.35 또는 그 이하이며, 입자표면이 가교화 처리 됨을 특징으로 하는 흡수성 수지.
길이와 폭간이 비율이 1.5~20의 범위내에 있음으로 해서 각이없는 비구형의 입자표면이 가교화 처리됨을 특징으로 하는 흡수성수지.
제 2 항에 있어서, 입자길이가 100~10,000㎛의 범위내에 있으며, 입자폭이 10~2,000㎛의 범위내에 있음을 특징으로 하는 흡수성 수지.
100-600㎛의 평균입자경을 가지며, 입자경분포가 대수표준편자값()으로 0.35 또는 그 이하인 중합체 분말의 표면이 가교화 처리됨을 특징으로 하는 흡수성 수지의 제법.
평균 입자길이와 평균입자폭간의 비율이 1.5~20임과 동시에 각이지지 않은 비구형 중합체 분말의 표면이 가교화 처리됨을 특징으로 하는 흡수성 수지의 제법.
제 4 항 또는 제 5 항에 있어서, 중합체 분말의 함수율이 중량비로 10%이하인 것을 특징으로 하는 흡수성 수지의 제법.
제 4 항, 제 5 항 또느 제 6 항중 어느 하나에 있어서, 에틸렌 상으로 불포화된 수용성 모노머의 수용액이 B형 회전 점도계로 측정하여 (25℃, 0.6㎛) 15cps 또는 그 이상의 점도를 가지며 분산제로서 스쿠로스 지방산 에스테르 및/또는 플리글리세롤 지방산 에스테르를 사용하며 중합-불활소수성 유기용제(polymerization-inert hydrophobic organic solvent) 내에서 분산 및 현탁화 됨과 동시에 급격중합 반응 개시제에 의해 중합 됨으로써 중합체 분발로 수득됨을 특징으로 하는 흡수성 수지의 제법.
제 7 항에 있어서, 에틸렌 상으로 불포화된 수용성 모노머 수용액의 점도가 15~5,000cps 의 범위내에서 조절됨을 특징으로 하는 흡수성 수지의 제법.
제 7항에 있어서, 에틸렌 상으로 불포화된 수용성 모노머 수용액의 점도가 5,000~1,000,000cps 의 범위내에서 조절됨과 동시에 단지 스쿠로스 지방산 에스테르 만이 사용됨을 특징으로 하는 흡수성 수지의 제법.
제 4 항, 제 5 항, 제 6 항, 제 7 항, 제 8 항 또는 제 9 항중 어느 하나에 있어서, 가교화 철리를 할때의 가교제가 분자내에 중합체 분말의 관능기를 위한 둘 또는 그 이상의 반응기를 가지는 것이 사용됨을 특징으로 하는 흡수성 수지의 제법.
제 10 항에 있어서, 가교제를 수분 및 친수성 유기용제와 혼합함으로써 마련된 처리용액의 형태로된 가교제가 사용됨을 특징으로 하는 흡수성 수지의 제법.
제 11 항에 있어서, 가교제, 수분 및 친수성 유기 용제의 조성비가 중합체 분말에 대한 중량비로 각각 0.005~20%, 0.1~5% 및 0.01~6%로 조절됨을 특징으로 하는 흡수성 수지의 제법.
제 11 항 또는 제 12 항에 있어서, 중합체 분말이 처리용액과 혼합된 후 40~250℃로 가열됨과 동시에 등 중합체 분말이 표면이 가교화 처리됨을 특징으로 하는 흡수성 수지의 제법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890008815A 1988-06-28 1989-06-26 흡수성 수지및 그 제법 KR930007306B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP158086 1988-06-28
JP15808688 1988-06-28
JP63-164940 1988-07-04
JP164940 1988-07-04
JP16494088 1988-07-04
JP25586688 1988-10-13
JP63-158086 1988-10-13
JP255866 1988-10-13
JP63-255866 1988-10-13

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KR910000815A true KR910000815A (ko) 1991-01-30
KR930007306B1 KR930007306B1 (ko) 1993-08-05

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US (1) US5026800A (ko)
EP (1) EP0349240B1 (ko)
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CZ (1) CZ390389A3 (ko)
DE (1) DE68927944T2 (ko)
TW (1) TW201758B (ko)

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DE68927944D1 (de) 1997-05-15
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