CH496054A - Process for the production of microporous sheets - Google Patents

Process for the production of microporous sheets

Info

Publication number
CH496054A
CH496054A CH1592968A CH1592968A CH496054A CH 496054 A CH496054 A CH 496054A CH 1592968 A CH1592968 A CH 1592968A CH 1592968 A CH1592968 A CH 1592968A CH 496054 A CH496054 A CH 496054A
Authority
CH
Switzerland
Prior art keywords
production
microporous sheets
microporous
sheets
Prior art date
Application number
CH1592968A
Other languages
German (de)
Inventor
Klaus Dr Koenig
Harro Dr Traeubel
Artur Dr Reischl
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 CH496054A publication Critical patent/CH496054A/en

Links

Classifications

    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0871—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
CH1592968A 1967-10-25 1968-10-24 Process for the production of microporous sheets CH496054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671694213 DE1694213C3 (en) 1967-10-25 1967-10-25 Process for the production of microporous sheet-like structures based on polyurethane

Publications (1)

Publication Number Publication Date
CH496054A true CH496054A (en) 1970-09-15

Family

ID=5687787

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1592968A CH496054A (en) 1967-10-25 1968-10-24 Process for the production of microporous sheets

Country Status (9)

Country Link
AT (1) AT287320B (en)
BE (1) BE722775A (en)
CA (1) CA844654A (en)
CH (1) CH496054A (en)
DE (1) DE1694213C3 (en)
FR (1) FR1587231A (en)
GB (1) GB1229970A (en)
NL (1) NL6815306A (en)
SE (1) SE345868B (en)

Also Published As

Publication number Publication date
NL6815306A (en) 1969-04-29
FR1587231A (en) 1970-03-13
SE345868B (en) 1972-06-12
AT287320B (en) 1971-01-25
DE1694213A1 (en) 1971-04-08
DE1694213B2 (en) 1974-05-09
BE722775A (en) 1969-04-01
GB1229970A (en) 1971-04-28
DE1694213C3 (en) 1974-12-12
CA844654A (en) 1970-06-16

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Legal Events

Date Code Title Description
PL Patent ceased