DE973956C - Verfahren zur Herstellung von Isolierstoffen auf Glimmergrundlage - Google Patents
Verfahren zur Herstellung von Isolierstoffen auf GlimmergrundlageInfo
- Publication number
- DE973956C DE973956C DEP26317A DEP0026317A DE973956C DE 973956 C DE973956 C DE 973956C DE P26317 A DEP26317 A DE P26317A DE P0026317 A DEP0026317 A DE P0026317A DE 973956 C DE973956 C DE 973956C
- Authority
- DE
- Germany
- Prior art keywords
- mica
- pulp
- heated
- action
- cooling
- 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
- 239000010445 mica Substances 0.000 title claims description 75
- 229910052618 mica group Inorganic materials 0.000 title claims description 75
- 238000000034 method Methods 0.000 title claims description 25
- 239000011810 insulating material Substances 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- 239000008119 colloidal silica Substances 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- -1 silicic acid ester Chemical class 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims 5
- 239000003929 acidic solution Substances 0.000 claims 4
- 239000000123 paper Substances 0.000 description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 239000000377 silicon dioxide Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011111 cardboard Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229920001800 Shellac Polymers 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000001476 alcoholic effect Effects 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 4
- 229940113147 shellac Drugs 0.000 description 4
- 235000013874 shellac Nutrition 0.000 description 4
- 239000004208 shellac Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- 239000000080 wetting agent Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
- LGCAEZFHFWVARK-UHFFFAOYSA-N boric acid;lead Chemical compound [Pb].OB(O)O LGCAEZFHFWVARK-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229910052627 muscovite Inorganic materials 0.000 description 2
- ZDCHZHDOCCIZIY-UHFFFAOYSA-N phthalic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.OC(=O)C1=CC=CC=C1C(O)=O ZDCHZHDOCCIZIY-UHFFFAOYSA-N 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SSORSZACHCNXSJ-UHFFFAOYSA-N 2-[2-(3,4-dichlorophenyl)-3-[2-(2-hydroxypropylamino)pyrimidin-4-yl]imidazol-4-yl]acetonitrile Chemical compound ClC=1C=C(C=CC=1Cl)C=1N(C(=CN=1)CC#N)C1=NC(=NC=C1)NCC(C)O SSORSZACHCNXSJ-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical group 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/20—Mica; Vermiculite
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/44—Flakes, e.g. mica, vermiculite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR973956X | 1947-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE973956C true DE973956C (de) | 1960-07-28 |
Family
ID=9517102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP26317A Expired DE973956C (de) | 1947-08-19 | 1948-12-24 | Verfahren zur Herstellung von Isolierstoffen auf Glimmergrundlage |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE482433A (en, 2012) |
| DE (1) | DE973956C (en, 2012) |
Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE273132C (en, 2012) * | ||||
| DE280099C (en, 2012) * | ||||
| DE216404C (en, 2012) * | ||||
| DE168020C (en, 2012) * | ||||
| DE285482C (en, 2012) * | ||||
| US686929A (en) * | 1901-04-24 | 1901-11-19 | Mica Machine Company | Method of separating laminæ of mica. |
| US847910A (en) * | 1907-01-10 | 1907-03-19 | Edward Cooper | Process of making artificial mica sheets. |
| US1320509A (en) * | 1919-11-04 | Chusetts | ||
| DE340228C (de) * | 1920-11-06 | 1921-09-05 | Paul Kertesz | Verfahren zur Herstellung von Glimmerplatten aus Glimmerabfall |
| DE349849C (de) * | 1920-11-06 | 1922-03-09 | Paul Kertesz | Verfahren zur Herstellung von feuerbestaendigen Glimmerplatten aus Glimmerabfall |
| DE358680C (de) * | 1920-09-21 | 1922-09-15 | Plauson S Forschungsinstitut G | Verfahren zur Herstellung einer gegen chemische und elektrische Einfluesse widerstandsfaehigen, feuerfesten Kunstmasse |
| DE363244C (de) * | 1921-11-22 | 1922-11-07 | Plauson S Forschungsinstitut G | Verfahren zur Herstellung von plastischen Massen aus Glimmer, Asbest oder aehnlichen Silikaten |
| DE371422C (de) * | 1920-10-21 | 1923-03-15 | Jaroslaw S Erste Glimmerwarenf | Verfahren zum Zusammenkleben duenner Glimmerblaettchen zu Platten, Formstuecken u. dgl. |
| DE378522C (de) * | 1919-07-22 | 1923-07-18 | Percy Broadbent Crossley | Glas-Glimmerverbindung und Verfahren zu ihrer Herstellung |
| AT96336B (de) * | 1922-03-04 | 1924-03-10 | Ernst Hackhofer | Verfahren zum Spalten von Glimmer und glimmerähnlichen Mineralien. |
| FR659943A (fr) * | 1928-09-04 | 1929-07-04 | Procédé et appareil de traitement du mica | |
| DE499143C (de) * | 1925-10-22 | 1930-06-02 | Atma Studiengesellschaft Fuer | Verfahren zur Aufbereitung von natuerlichen Mineralstoffen durch Abschrecken der auf hoehere Temperaturen erhitzten Mineralstoffe durch Fluessigkeiten |
| DE525483C (de) * | 1927-08-11 | 1931-05-26 | Siemens Schuckertwerke Akt Ges | Elektrischer Isolierstoff |
| US1870835A (en) * | 1928-07-05 | 1932-08-09 | Mica Insulator Company | Process of mica splitting and machine therefor |
| DE593072C (de) * | 1932-05-29 | 1934-02-21 | Jaroslaw S Erste Glimmerwaren | Verfahren zur Herstellung von Glimmererzeugnissen durch Zusammenkleben duenner Glimmerblaettchen oder -teilchen |
| US2108577A (en) * | 1934-06-08 | 1938-02-15 | Emi Ltd | Treatment of mica for electrical purposes |
| DE679523C (de) * | 1933-04-11 | 1939-08-08 | Saint Gobain | Verfahren zur Herstellung geformter Gegenstaende aus Glimmer |
| DE723633C (de) * | 1938-09-07 | 1942-08-07 | Aeg | Isolierung fuer elektrische Maschinen und Apparate, die aus einer auf einem anorganischen Traegerstoff, z. B. Glasseidengewebe, angeordneten Glimmerschicht besteht |
| DE726667C (de) * | 1939-04-09 | 1942-10-17 | Dr Ernst Waltzinger | Verfahren zur Herstellung von Glimmerpulver durch Gluehen |
| GB553104A (en) * | 1941-11-17 | 1943-05-07 | Philips Nv | Improvements in or relating to the manufacture of objects having a stratified structure |
| US2405576A (en) * | 1943-06-03 | 1946-08-13 | Integrated Mica Corp | Integrated mica and method of making the same |
| CH244540A (fr) * | 1943-08-07 | 1946-09-30 | Quartz & Silice | Procédé pour la production d'objets tels que feuilles, plaques, objets moulés, etc., à l'aide de mica. |
-
1948
- 1948-05-12 BE BE482433A patent/BE482433A/fr unknown
- 1948-12-24 DE DEP26317A patent/DE973956C/de not_active Expired
Patent Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE273132C (en, 2012) * | ||||
| DE280099C (en, 2012) * | ||||
| DE216404C (en, 2012) * | ||||
| DE168020C (en, 2012) * | ||||
| DE285482C (en, 2012) * | ||||
| US1320509A (en) * | 1919-11-04 | Chusetts | ||
| US686929A (en) * | 1901-04-24 | 1901-11-19 | Mica Machine Company | Method of separating laminæ of mica. |
| US847910A (en) * | 1907-01-10 | 1907-03-19 | Edward Cooper | Process of making artificial mica sheets. |
| DE378522C (de) * | 1919-07-22 | 1923-07-18 | Percy Broadbent Crossley | Glas-Glimmerverbindung und Verfahren zu ihrer Herstellung |
| DE358680C (de) * | 1920-09-21 | 1922-09-15 | Plauson S Forschungsinstitut G | Verfahren zur Herstellung einer gegen chemische und elektrische Einfluesse widerstandsfaehigen, feuerfesten Kunstmasse |
| DE371422C (de) * | 1920-10-21 | 1923-03-15 | Jaroslaw S Erste Glimmerwarenf | Verfahren zum Zusammenkleben duenner Glimmerblaettchen zu Platten, Formstuecken u. dgl. |
| DE374982C (de) * | 1920-10-21 | 1923-05-03 | Jaroslaw S Erste Glimmerwarenf | Verfahren zum Zusammenkleben duenner Glimmerblaettchen zu Platten, Formstuecken u. dg |
| DE349849C (de) * | 1920-11-06 | 1922-03-09 | Paul Kertesz | Verfahren zur Herstellung von feuerbestaendigen Glimmerplatten aus Glimmerabfall |
| DE340228C (de) * | 1920-11-06 | 1921-09-05 | Paul Kertesz | Verfahren zur Herstellung von Glimmerplatten aus Glimmerabfall |
| DE363244C (de) * | 1921-11-22 | 1922-11-07 | Plauson S Forschungsinstitut G | Verfahren zur Herstellung von plastischen Massen aus Glimmer, Asbest oder aehnlichen Silikaten |
| AT96336B (de) * | 1922-03-04 | 1924-03-10 | Ernst Hackhofer | Verfahren zum Spalten von Glimmer und glimmerähnlichen Mineralien. |
| DE499143C (de) * | 1925-10-22 | 1930-06-02 | Atma Studiengesellschaft Fuer | Verfahren zur Aufbereitung von natuerlichen Mineralstoffen durch Abschrecken der auf hoehere Temperaturen erhitzten Mineralstoffe durch Fluessigkeiten |
| DE525483C (de) * | 1927-08-11 | 1931-05-26 | Siemens Schuckertwerke Akt Ges | Elektrischer Isolierstoff |
| US1870835A (en) * | 1928-07-05 | 1932-08-09 | Mica Insulator Company | Process of mica splitting and machine therefor |
| FR659943A (fr) * | 1928-09-04 | 1929-07-04 | Procédé et appareil de traitement du mica | |
| DE593072C (de) * | 1932-05-29 | 1934-02-21 | Jaroslaw S Erste Glimmerwaren | Verfahren zur Herstellung von Glimmererzeugnissen durch Zusammenkleben duenner Glimmerblaettchen oder -teilchen |
| DE679523C (de) * | 1933-04-11 | 1939-08-08 | Saint Gobain | Verfahren zur Herstellung geformter Gegenstaende aus Glimmer |
| US2108577A (en) * | 1934-06-08 | 1938-02-15 | Emi Ltd | Treatment of mica for electrical purposes |
| DE723633C (de) * | 1938-09-07 | 1942-08-07 | Aeg | Isolierung fuer elektrische Maschinen und Apparate, die aus einer auf einem anorganischen Traegerstoff, z. B. Glasseidengewebe, angeordneten Glimmerschicht besteht |
| DE726667C (de) * | 1939-04-09 | 1942-10-17 | Dr Ernst Waltzinger | Verfahren zur Herstellung von Glimmerpulver durch Gluehen |
| GB553104A (en) * | 1941-11-17 | 1943-05-07 | Philips Nv | Improvements in or relating to the manufacture of objects having a stratified structure |
| US2405576A (en) * | 1943-06-03 | 1946-08-13 | Integrated Mica Corp | Integrated mica and method of making the same |
| CH244540A (fr) * | 1943-08-07 | 1946-09-30 | Quartz & Silice | Procédé pour la production d'objets tels que feuilles, plaques, objets moulés, etc., à l'aide de mica. |
Also Published As
| Publication number | Publication date |
|---|---|
| BE482433A (en, 2012) | 1948-05-31 |
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