CH481971A - Verfahren zur Herstellung von mikroporösen, wasserdampfdurchlässigen Flächengebilden - Google Patents

Verfahren zur Herstellung von mikroporösen, wasserdampfdurchlässigen Flächengebilden

Info

Publication number
CH481971A
CH481971A CH1635367A CH1635367A CH481971A CH 481971 A CH481971 A CH 481971A CH 1635367 A CH1635367 A CH 1635367A CH 1635367 A CH1635367 A CH 1635367A CH 481971 A CH481971 A CH 481971A
Authority
CH
Switzerland
Prior art keywords
microporous
vapor
production
water
flat structures
Prior art date
Application number
CH1635367A
Other languages
English (en)
Inventor
Harro Dr Traeubel
Bruno Dr Zorn
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of CH481971A publication Critical patent/CH481971A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
    • C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CH1635367A 1966-11-22 1967-11-22 Verfahren zur Herstellung von mikroporösen, wasserdampfdurchlässigen Flächengebilden CH481971A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0050722 1966-11-22

Publications (1)

Publication Number Publication Date
CH481971A true CH481971A (de) 1969-11-30

Family

ID=7104017

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1635367A CH481971A (de) 1966-11-22 1967-11-22 Verfahren zur Herstellung von mikroporösen, wasserdampfdurchlässigen Flächengebilden

Country Status (7)

Country Link
AT (1) AT286653B (de)
BE (1) BE706920A (de)
CH (1) CH481971A (de)
DE (1) DE1694085A1 (de)
GB (1) GB1210504A (de)
NL (1) NL6715596A (de)
SE (1) SE338437B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308145A (en) * 1976-03-19 1981-12-29 United States Of America Relatively thick polycarbonate membranes for use in hemodialysis
US4743470A (en) * 1985-03-02 1988-05-10 Bayer Aktiengesellschaft Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor
DE3521762A1 (de) * 1985-06-19 1987-01-02 Bayer Ag Ionisch modifizierte pur-streichpasten und ihre verwendung
DE3836030A1 (de) * 1988-10-22 1990-05-03 Bayer Ag Pur-dispersionen und loesemittel enthaltende beschichtungsmassen und deren verwendung zur herstellung von wasserdampfdurchlaessigen pur-beschichtungen

Also Published As

Publication number Publication date
SE338437B (de) 1971-09-06
BE706920A (de) 1968-05-22
GB1210504A (en) 1970-10-28
AT286653B (de) 1970-12-28
NL6715596A (de) 1968-05-24
DE1694085A1 (de) 1971-07-29

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Legal Events

Date Code Title Description
PL Patent ceased