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DE838822C - Process for the production of fine-pored molded bodies - Google Patents

Process for the production of fine-pored molded bodies

Info

Publication number
DE838822C
DE838822C DEB7242A DEB0007242A DE838822C DE 838822 C DE838822 C DE 838822C DE B7242 A DEB7242 A DE B7242A DE B0007242 A DEB0007242 A DE B0007242A DE 838822 C DE838822 C DE 838822C
Authority
DE
Germany
Prior art keywords
fine
production
molded bodies
pored
pored molded
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
DEB7242A
Other languages
German (de)
Inventor
Adolf Benischek
Heinrich Jacque
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DEB7242A priority Critical patent/DE838822C/en
Application granted granted Critical
Publication of DE838822C publication Critical patent/DE838822C/en
Expired legal-status Critical Current

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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/125—Water, e.g. hydrated salts

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Description

Verfahren zur Herstellung feinporiger Formkörper Es \%@ur<le gefunden, daß man feinporige Form- körper aus durch Einulsionspolymerisation er- haltenen, Ixi "ei"-dllinliclier Temperatur harten I'til\,nierisateii erhält, wenn man auf gewöhnliche l@ornikiirl><r aus diesen Polymerisaten, @beispieIs- weise Folien oder Platten, iheißes Wasser oder Wasser<1iampf einwirken läßt. Geeignete Poly- merisate sind beispielsweise solche aus Vinyl- chlorid, Styrol oder Acryl- oder Metlhacrylnitri.l wie auch Nl!isc'hpolyinerisate dieser Monomeren untereinander oder mit anderen polyrnerisierbaren Verliinclun;"en. Die erhaltenen Erzeugnisse zeich- nen sich durch gleichmäßige, aaißeromdentlich.feü.ne . Poren aus; da sie außerdem hohe Elastizität, Druckfestigkeit und zum Teil auch ausgezeichnete Säurefestigkeit besitzen, eignen -sie sich als Separatoren für A'l&umulatoren. Sie können auch als Diaplhragmen verwendet werden.Process for the production of fine-pored moldings It \% @ ur <le found that fine-pored shapes body made by one-emulsion polymerisation hold, Ixi "ei" -dllinliclier temperature hard I'til \, nierisateii received when going to ordinary l @ ornikiirl><r from these polymers, @example wise foils or plates, hot water or Let water take effect. Suitable poly merisates are, for example, those made of vinyl chloride, styrene or acrylic or methacrylonitrile as well as Nl! isc'hpolyinerisate these monomers polymerizable with one another or with others Verliinclun; "en. The products obtained draw- nen are characterized by uniform, aaßeromdigin.feü.ne. Pores out; Since they also have high elasticity, compressive strength and, in some cases, excellent acid resistance, they are suitable as separators for A'l & umulators. They can also be used as diaplhragms.

Beispiel Eine @durch Walzen hergestellte 1,5 mm starke Folie aus durch Emulsionspolymerisation hergestelIxm, hochpolymerem Polyvinyldhlori,d, die kurze Zeit auf 26o° erhitzt wurde, wird mit Wasser i Stunde lang in einem Druckgefäß auf i 5o' erhitzt. Nach dem Trocknen hat die Folie ein Porenvolumen von d0 bis 700/0. Die Porosität -kann je nach Temperatur und Behandlungsdauer geändert werden.EXAMPLE A 1.5 mm thick film made of durch Emulsion polymerization produced, high-polymer polyvinyl chloride, d, the short Time has been heated to 26o °, is with water i for an hour in one Pressure vessel heated to 15o '. After drying, the film has a pore volume of d0 to 700/0. The porosity can be changed depending on the temperature and the duration of the treatment will.

In gleicher Weise erhält man eine hplchporäse Folie aus einem M,isdhpolymeri,sat aus 8o% Vyni,ldhlorid und 2o % Styrol. Beide Folien, die auch naditrägl@ich oder vor der Behandllung mit Wasser in Formen @gepreßt, .gewellt oder gerippt werden können, zeichnen sich durch ,hohe mechanische Festigkeit und Elastizität und Säurefestigkeit aus. Sie eignen sich vorzüglich als Separatoren für Akkummlatoren'.In the same way, a highly porous film is obtained from an M, isdhpolymeri, sat made of 8o% Vyni, ldhlorid and 20% styrene. Both slides, which also naditrägl @ me or Before being treated with water, they can be pressed, corrugated or ribbed into molds can, are characterized by, high mechanical strength and elasticity and acid resistance the end. They are particularly suitable as separators for accumulators.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung von feinporigen Formkörpern aus durch Emuls,ionspolymeri-sation erhaltenen, bei gewöh'licher Temperatur harten Polymenisaten, dadurch gekennzeichnet, daß man auf Formkörper -aus diesen Polymerisaten heißes Wasser oder Wasserdampf, gegebenenfalls unter erhöhtem Druck, einwirken läßt. PATENT CLAIM: Process for the production of fine-pored moldings from polymers obtained by emulsion, ion polymerization and hard at normal temperature, characterized in that hot water or steam, optionally under increased pressure, is allowed to act on moldings from these polymers.
DEB7242A 1944-08-25 1944-08-25 Process for the production of fine-pored molded bodies Expired DE838822C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB7242A DE838822C (en) 1944-08-25 1944-08-25 Process for the production of fine-pored molded bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB7242A DE838822C (en) 1944-08-25 1944-08-25 Process for the production of fine-pored molded bodies

Publications (1)

Publication Number Publication Date
DE838822C true DE838822C (en) 1952-05-12

Family

ID=6955229

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB7242A Expired DE838822C (en) 1944-08-25 1944-08-25 Process for the production of fine-pored molded bodies

Country Status (1)

Country Link
DE (1) DE838822C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068777B (en) * 1954-11-16 1959-11-12
DE1141439B (en) * 1955-02-24 1962-12-20 Jungfer Akkumulatoren Process for the production of porous, corrugated or grained plastic sheets or plastic films
DE1280360B (en) * 1959-11-17 1968-10-17 Accumulateurs Fixes Process for the production of a gas-permeable and liquid-impermeable electrode for galvanic elements

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068777B (en) * 1954-11-16 1959-11-12
DE1141439B (en) * 1955-02-24 1962-12-20 Jungfer Akkumulatoren Process for the production of porous, corrugated or grained plastic sheets or plastic films
DE1280360B (en) * 1959-11-17 1968-10-17 Accumulateurs Fixes Process for the production of a gas-permeable and liquid-impermeable electrode for galvanic elements

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