KR920703130A - 흡수제 패키트 - Google Patents

흡수제 패키트

Info

Publication number
KR920703130A
KR920703130A KR1019920701355A KR920701355A KR920703130A KR 920703130 A KR920703130 A KR 920703130A KR 1019920701355 A KR1019920701355 A KR 1019920701355A KR 920701355 A KR920701355 A KR 920701355A KR 920703130 A KR920703130 A KR 920703130A
Authority
KR
South Korea
Prior art keywords
absorbent package
water
cellulose
film
package according
Prior art date
Application number
KR1019920701355A
Other languages
English (en)
Inventor
스티븐 화이트 로이드
Original Assignee
제라드 피. 루우니
알라이드-시그날, 인코포레이티드
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 제라드 피. 루우니, 알라이드-시그날, 인코포레이티드 filed Critical 제라드 피. 루우니
Publication of KR920703130A publication Critical patent/KR920703130A/ko

Links

Classifications

    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/002—Forward osmosis or direct osmosis
    • B01D61/005—Osmotic agents; Draw solutions

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
  • External Artificial Organs (AREA)

Abstract

내용 없음

Description

흡수제 패키트
[도면의 간단한 설명]
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. 다음 (a) 및 (b)를 포함하여 구성되는, 물을 흡수하고 외압에 대하여 그 물을 유보시킬 수 있는 흡수제 패키트, (a) 삼투 촉진제(osmotic promoter; (b) (1)셀룰로우즈 유도체 및 아세톤, 디메틸 포름아미드. 디메틸 아세트아미드, 디메틸술폭시드, 1-메틸-2-피롤리돈, 포름아미드, 디옥산, 테트라에틸포스페이트, 아세트산, 테트라히드로푸란 및 물로 구성된 군으로부터 선택된 하나 이상의 액체로 된 용액을 지지체 표면상에 도포하여 필름을 형성하고, (2) 상기 (1)의 필름으로부터 액체를 제거하고, (3) 물속에서 상기 (2)의 필름을 소둔시키고, (4) 글리세롤, 에틸렌 글리콜 및 프로필렌 글리콜로 구성된 군으로부터 선택된 조절제를 함유하는 물속에서 상기(3)의 소둔된 필름을 처리하고, (5) 상기 (4)의 처리된 필름을 건조시키는 방법에 의하여 산출된, 5-50μm의 두께를 갖는, 상기 촉진제를 감싸는 셀룰로우즈계 막(cellulosic membrane).
  2. 제1항에 있어서, 상기 삼투 촉진제가 1000 이하의 분자량을 갖는 것을 특징으로 하는 흡수제 패키트.
  3. 제2항에 있어서, 상기 삼투 촉진제가 염화나트륨, 설탕 및 그 혼합물로 구성된 군으로부터 선택된 것을 특징으로 하는 흡수제 패키트.
  4. 제2항에 있어서, 패키트 단위부피(cm2)당 0.001-lg의 삼투촉진제가 사용됨을 특징으로 하는 흡수제 패키트.
  5. 제1항에 있어서, 상기 셀룰로우즈계 막이 셀룰로우즈 아세테이트, 셀룰로우즈 디아세테이트 또는 그 혼합물로 구성됨을 특징으로 하는 흡수제 패키트.
  6. 제1항에 있어서, 상기 (b)의 단계(1)의 용액이 15-25wt%의 셀룰로우즈 아세테이를 함유하는 것임을 특징으로 하는 흡수제 패키트.
  7. 제1항에 있어서, 상기 (b)의 단계(2)에서의 액체 제거가 액체의 일부를 증발시킨 후 결과의 필름을 0-40℃ 온도의 물속에서 냉각시키는 것을 특징으로 하는 흡수제 패키트.
  8. 제1항에 있어서, 상기 셀룰로우즈계 막이 최소한 0.5×10-5cm3/(cm2-atm-sec)의 수력적 투과도(수투과도)를 갖는 것을 특징으로 하는 흡수제 패키트.
  9. 제1항에 있어서, 상기 셀룰로우즈계 막이 2×10-7g/(cm2-atm-sec) 이하의 염투과도를 갖는 것을 특징으로 하는 흡수제 패키트.
  10. 제1항에 있어서, 상기 (b)의 단계(3)의 소둔이 75-95℃ 온도의 물속에서 행하여짐을 특징으로 하는 흡수제 패키트.
  11. 제1항에 있어서, 상기 (b)의 단계(4)의 처리가 조절제로서 글리세롤을 포함하는 0-95℃ 온도의 물속에서 행하여짐을 특징으로 하는 흡수제 패키트.
    ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019920701355A 1989-12-08 1990-11-30 흡수제 패키트 KR920703130A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/447,722 US5108383A (en) 1989-12-08 1989-12-08 Membranes for absorbent packets
US447,722 1989-12-08
PCT/US1990/006998 WO1991008778A1 (en) 1989-12-08 1990-11-30 Membranes for absorbent packets

Publications (1)

Publication Number Publication Date
KR920703130A true KR920703130A (ko) 1992-12-17

Family

ID=23777479

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920701355A KR920703130A (ko) 1989-12-08 1990-11-30 흡수제 패키트

Country Status (9)

Country Link
US (1) US5108383A (ko)
EP (1) EP0504228B1 (ko)
JP (1) JPH05502598A (ko)
KR (1) KR920703130A (ko)
AT (1) ATE126446T1 (ko)
AU (1) AU631475B2 (ko)
CA (1) CA2069487A1 (ko)
DE (1) DE69021738D1 (ko)
WO (1) WO1991008778A1 (ko)

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US5108383A (en) 1992-04-28
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AU6897791A (en) 1991-07-18

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