GB1347174A - Coated microporous films - Google Patents

Coated microporous films

Info

Publication number
GB1347174A
GB1347174A GB134672A GB134672A GB1347174A GB 1347174 A GB1347174 A GB 1347174A GB 134672 A GB134672 A GB 134672A GB 134672 A GB134672 A GB 134672A GB 1347174 A GB1347174 A GB 1347174A
Authority
GB
United Kingdom
Prior art keywords
film
surfactant
dried
drawn
microporous
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB134672A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of GB1347174A publication Critical patent/GB1347174A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • A61L15/425—Porous materials, e.g. foams or sponges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/056—Forming hydrophilic coatings
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/06—Coating with compositions not containing macromolecular substances
    • C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical 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
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
GB134672A 1971-01-14 1972-01-12 Coated microporous films Expired GB1347174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10656471A 1971-01-14 1971-01-14

Publications (1)

Publication Number Publication Date
GB1347174A true GB1347174A (en) 1974-02-27

Family

ID=22312104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB134672A Expired GB1347174A (en) 1971-01-14 1972-01-12 Coated microporous films

Country Status (4)

Country Link
CA (1) CA981991A (enrdf_load_stackoverflow)
DE (1) DE2201192A1 (enrdf_load_stackoverflow)
FR (1) FR2121818B1 (enrdf_load_stackoverflow)
GB (1) GB1347174A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087388A (en) * 1976-10-21 1978-05-02 E. I. Du Pont De Nemours And Company Process of preparing a permselective membrane
US4346142A (en) 1979-09-04 1982-08-24 Celanese Corporation Hydrophilic monomer treated microporous films and process
US4359510A (en) * 1980-07-31 1982-11-16 Celanese Corporation Hydrophilic polymer coated microporous membranes capable of use as a battery separator
JPS5924732A (ja) * 1982-08-02 1984-02-08 Mitsubishi Rayon Co Ltd 親水化多孔質膜およびその製造方法
KR900000773B1 (ko) * 1984-09-17 1990-02-16 미쓰비시 레이욘 가부시기가이샤 소수성다공질재료의 친수화막과 그 가공방법
JPH038421A (ja) * 1989-06-05 1991-01-16 Terumo Corp 親水性多孔質膜及びその製造方法
US5942120A (en) * 1997-12-04 1999-08-24 Wilkinson; Kenneth Composite microporous ultrafiltration membrane, method of making thereof, and separation methods

Also Published As

Publication number Publication date
CA981991A (en) 1976-01-20
FR2121818A1 (enrdf_load_stackoverflow) 1972-08-25
DE2201192A1 (de) 1972-08-03
FR2121818B1 (enrdf_load_stackoverflow) 1975-10-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee