DE903629C - Process for the production of porous sheets from thermoplastic material - Google Patents
Process for the production of porous sheets from thermoplastic materialInfo
- Publication number
- DE903629C DE903629C DESCH2994D DESC002994D DE903629C DE 903629 C DE903629 C DE 903629C DE SCH2994 D DESCH2994 D DE SCH2994D DE SC002994 D DESC002994 D DE SC002994D DE 903629 C DE903629 C DE 903629C
- Authority
- DE
- Germany
- Prior art keywords
- thermoplastic material
- production
- porous sheets
- porous
- porous plate
- 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
Links
Classifications
-
- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- 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
- C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Description
Nach der im Patent 895 146 beschriebenen Erfindung wird' eine poröse Platte aus thermoplastischem Kunststoff in der Weise hergestellt, daß zwei oder mehr Lagen von Geweben aus dem thermoplastischen Kunststoff, wie sie z. B. als Filtertücher im Verkehr sind, aufeinandergelegt und unter oberflächlicher Erweichung des Kunststoffs mittels erhöhter Temperatur oder eines Lösungsmittels in flüssiger oder Dampfform zusammengepreßt werden.According to the invention described in patent 895 146, a porous sheet made of thermoplastic Plastic produced in such a way that two or more layers of fabrics made of the thermoplastic material, as z. B. as filter cloths are in traffic, placed on top of each other and with superficial softening of the plastic by means of elevated temperature or a solvent in liquid or vapor form will.
Nun hat sich überraschenderweise gezeigt, daß nach dem gleichen Verfahren, unter Anwendung der gleichen technischen Mittel, also unter Erweichung mittels erhöhter Temperatur oder eines Lösungsmittels in flüssiger oder in Dampfform, auch eine einzelne Lage eines Gewebes aus thermoplastischem Kunststoff durch Preßdruck in eine dünne poröse Platte verwandelt werden kann.Now, surprisingly, it has been shown that the same procedure, using the same technical means, i.e. with softening by means of increased temperature or one Solvent in liquid or vapor form, even a single layer of a fabric made of thermoplastic material by pressing into a thin porous plate can be transformed.
Eine so hergestellte poröse Platte hat ein ganz anderes Gefüge als das Gewebe, aus dem sie her-A porous plate produced in this way has a completely different structure than the fabric from which it is made.
gestellt ist. Sie ist nicht weich und schmiegsam wie dieses, sondern steif und fest, aber sehr biegsam und elastisch, sehr zähe und reißfest und nahezu unzerbrechlich.is posed. It is not soft and pliable like this one, but stiff and firm, but very flexible and elastic, very tough and tear-resistant and almost unbreakable.
Unter Anwendung des erfindungsgemäßen Verfahrens lassen sich so aus einer einzigen Gewebelage besonders dünne feinporige Platten von großer Festigkeit herstellen, die als Filter und als Diaphragmen sehr vorteilhaft zu verwenden sind. Wird eine solche dünne poröse Platte erwärmt gebogen, so behält sie, abgekühlt, ihre Form.Using the method according to the invention, a single fabric layer Manufacture particularly thin, fine-pored plates of great strength that can be used as filters and diaphragms are very beneficial to use. If such a thin porous plate is bent when heated, this is how it keeps its shape when cooled.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH2994D DE903629C (en) | 1943-04-22 | 1943-05-20 | Process for the production of porous sheets from thermoplastic material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH2992D DE895146C (en) | 1943-04-22 | 1943-04-22 | Process for the production of filter or diaphragm plates from thermoplastics |
DESCH2994D DE903629C (en) | 1943-04-22 | 1943-05-20 | Process for the production of porous sheets from thermoplastic material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE903629C true DE903629C (en) | 1954-02-08 |
Family
ID=25992623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DESCH2994D Expired DE903629C (en) | 1943-04-22 | 1943-05-20 | Process for the production of porous sheets from thermoplastic material |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE903629C (en) |
-
1943
- 1943-05-20 DE DESCH2994D patent/DE903629C/en not_active Expired
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