DE1253133B - Process for the treatment of inorganic materials with binding and impregnating agents - Google Patents
Process for the treatment of inorganic materials with binding and impregnating agentsInfo
- Publication number
- DE1253133B DE1253133B DEH58825A DEH0058825A DE1253133B DE 1253133 B DE1253133 B DE 1253133B DE H58825 A DEH58825 A DE H58825A DE H0058825 A DEH0058825 A DE H0058825A DE 1253133 B DE1253133 B DE 1253133B
- Authority
- DE
- Germany
- Prior art keywords
- binding
- treatment
- inorganic materials
- agents
- impregnating agents
- 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.)
- Pending
Links
Classifications
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Verfahren zur Behandlung von anorganischen Materialien mit Binde- und Imprägnierungsmitteln In dem Patent 1224 917 ist ein Verfahren zum Behandeln von Holzspänen und anderen Spänen pflanzlicher Herkunft mit Binde- und/oder Imprägnierungsmitteln beschrieben, welches darin besteht, daß die Späne für kurze Zeit mit einer Lösung, Dispersion oder Emulsion der Mittel zusammengebracht und in einer Zentrifuge von der flüssigen Phase weitgehend befreit werden, worauf sie in bekannter Weise getrocknet und weiterverarbeitet, insbesondere zu Platten verpreßt werden.A method for the treatment of inorganic materials with binders and impregnating agents in the patent 1,224,917 is a method for treating wood chips and other chips vegetable origin with binding and / or impregnating compositions described, which consists in that the shavings for a short time with a Solution, dispersion or emulsion of the agents are brought together and largely freed from the liquid phase in a centrifuge, whereupon they are dried and further processed in a known manner, in particular pressed into sheets.
Mit diesem Verfahren ist es nicht nur möglich, die verschiedenen Behandlungsmittel, wie Binde-, Fäulnisschutz-, Hydrophobier-und Flammschutzmittel, gleichmäßiger und eingehender auf das Behandlungsgut aufzubringen, sondern es ist vor allem möglich, die großen Wassermengen zu vermeiden, die infolge der geringen Löslichkeit mancher Behandlungsmittel bei einem Tränk- oder Tauchverfahren nötig wären; da erfindungsgemäß die Behandlungsmittel auch in Emulsion oder Dispersion appliziert werden können, beträgt ihre Konzentration unter Umständen ein Mehrfaches der einer wäßrigen Lösung. Die damit verbundene herabgesetzte Feuchtigkeitsaufnahme des Behandlungsgutes erleichtert den anschließenden Trocknungsprozeß und verbessert die Qualität der Endprodukte.With this procedure it is not only possible to use the various treatment agents, such as binders, anti-rot, water-repellent and flame retardants, more evenly and to be applied more thoroughly to the item to be treated, but above all it is possible to avoid the large amounts of water that result from the poor solubility of some Treatment agents would be required in a soaking or dipping process; because according to the invention the treatment agents can also be applied in emulsion or dispersion, their concentration may be several times that of an aqueous solution. The associated reduced moisture absorption of the items to be treated is facilitated the subsequent drying process and improves the quality of the end products.
Es wurde nun gefunden, daß man das Verfahren gemäß Patent 1224917 auch zum Behandeln und zum Imprägnieren anorganischer Materialien verwenden kann, die wegen ihrer Struktur nach bisherigen Verfahren nur sehr schwierig zu behandeln sind.It has now been found that the method according to patent 1224917 can also be used to treat and impregnate inorganic materials, which, because of their structure, are very difficult to treat according to previous methods are.
Bisher behandelte man diese Stoffe, wie z. B. expandiertes Vermiculit, expandiertes Perlit, anorganisches Fasermaterial usw., die zu Formkörpern mit guten isolierenden Eigenschaften weiterverarbeitet werden, mit pulverförmigen Mitteln, oder man tränkte sie mit flüssigen Medien. Der erste Weg ist sehr unvollkommen, weil das Pulver, insbesondere z. B. bei expandiertem Vermiculit, nicht in alle Hohlräume eingebracht werden kann; der zweite Weg ist unwirtschaftlich, weil die erforderlichen großen Flüssigkeitsmengen nur unter hohen Kosten herausgetrocknet werden können.So far, these substances have been treated such. B. expanded vermiculite, expanded perlite, inorganic fiber material, etc., resulting in molded articles with good insulating properties are further processed, with powdery agents, or they were soaked in liquid media. The first way is very imperfect because the powder, especially z. B. with expanded vermiculite, not in all cavities can be introduced; the second way is uneconomical because it is necessary large amounts of liquid can only be dried out at high cost.
Demgegenüber ist die Vorbehandlung solcher anorganischer Materialien gemäß der vorliegenden Erfindung äußerst gleichmäßig und wirtschaftlich. Unter Umständen kann der sonst übliche Trocknungsprozeß vor der Weiterbehandlung ganz wegfallen. Von besonderem Vorteil ist, daß die Materialien trotz ihrer relativ empfindlichen Struktur, die bei expandiertem Perlit z. B. aus puffreisartigen Perlen besteht, mechanisch kaum beschädigt werden.In contrast, there is the pretreatment of such inorganic materials in accordance with the present invention, extremely uniformly and economically. In certain circumstances the usual drying process before further treatment can be omitted entirely. It is of particular advantage that the materials, despite their being relatively sensitive Structure which, in the case of expanded perlite, for. B. consists of puffed rice-like pearls, are hardly damaged mechanically.
Die bevorzugte Arbeitsweise besteht darin, daß die zu behandelnden Materialien in trockenem Zustand in die laufende Zentrifuge eingeführt und dort mit vernebelten, verflüssigten oder emulgierten Mitteln besprüht werden. Als besonders brauchbare Zusätze sind hier z. B. saure Metallphosphate, wie Monoaluminiumphosphat, zu nennen, die bei der Herstellung von Preßplatten größerer Dimensionen, welche mit Hochfrequenz ausgehärtet werden können, äußerst geeignete Bindemittel darstellen. Hierbei läßt sich bei sparsamster Anwendung von Behandlungsmitteln eine sehr gleichmäßige Oberflächenbehandlung der anorganischen Materialien durchführen.The preferred mode of operation is that the to be treated Materials introduced into the running centrifuge in a dry state and there be sprayed with atomized, liquefied or emulsified agents. As special useful additives are here, for. B. acidic metal phosphates, such as monoaluminium phosphate, to mention those in the production of press plates of larger dimensions, which can be cured with high frequency are extremely suitable binders. With the most economical use of treatment agents, a very uniform one can be achieved here Carry out surface treatment of the inorganic materials.
Beispiel l Expandiertes Vermiculit (Korngröße 1 bis 4 mm) wird mit einer Lösung von 50 Gewichtsanteilen Wasser, 50 Gewichtsanteilen eines sauren Metallphosphates, z. B. Monoaluminiumphosphat, in die Zentrifuge eingeschwemmt und auf einen Wassergehalt von 25 % zentrifugiert, so daß das Vermiculit 25 Gewichtsprozent des sauren Metallphosphates enthält.Example 1 Expanded vermiculite (grain size 1 to 4 mm) is mixed with a solution of 50 parts by weight of water, 50 parts by weight of an acidic metal phosphate, e.g. B. monoaluminum phosphate, washed into the centrifuge and centrifuged to a water content of 25 % , so that the vermiculite contains 25 percent by weight of the acidic metal phosphate.
Das so vorbehandelte Vermiculit kann in einer Presse mit Kontaktwärme und Hochfrequenz bei einer Temperatur, die größer als 200°C ist, zu Platten verpreßt werden. Beispiel2 Perlit (Schüttgewicht 80 bis 100 kg/cbm) wird trokken der Zentrifuge zugeführt und mit einer Lösung von 60 Gewichtsanteilen Wasser, 36 Gewichtsanteilen Monoaluminiumphosphat, 2 Gewichtsanteilen Tonerdeschmelzzement, 2 Gewichtsanteilen Spinellpulver (mit etwa 15 bis 20 °/o) besprüht.The vermiculite pretreated in this way can be put in a press with contact heat and high frequency pressed into sheets at a temperature greater than 200 ° C will. Example 2 perlite (bulk weight 80 to 100 kg / cbm) fed dry to the centrifuge and treated with a solution of 60 parts by weight of water, 36 parts by weight of monoaluminum phosphate, 2 parts by weight of high-alumina cement, 2 parts by weight of spinel powder (with about 15 to 20%) sprayed.
Das so behandelte Material wird bei einer Temperatur von 150°C getrocknet.The material treated in this way is dried at a temperature of 150.degree.
So entsteht ein sehr druckfestes Perlit, das für Leichtpreßplatten Verwendung finden kann.This creates a very pressure-resistant perlite, which is used for lightweight pressed panels Can be used.
Claims (2)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH58825A DE1253133B (en) | 1966-03-16 | 1966-03-16 | Process for the treatment of inorganic materials with binding and impregnating agents |
FR96762A FR91898E (en) | 1966-03-16 | 1967-02-28 | Process for treating wood chips with binders and impregnating agents |
NL6703589A NL6703589A (en) | 1966-03-16 | 1967-03-07 | |
BE695511D BE695511A (en) | 1966-03-16 | 1967-03-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH58825A DE1253133B (en) | 1966-03-16 | 1966-03-16 | Process for the treatment of inorganic materials with binding and impregnating agents |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1253133B true DE1253133B (en) | 1967-10-26 |
Family
ID=7160299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEH58825A Pending DE1253133B (en) | 1966-03-16 | 1966-03-16 | Process for the treatment of inorganic materials with binding and impregnating agents |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE695511A (en) |
DE (1) | DE1253133B (en) |
NL (1) | NL6703589A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0225264A1 (en) * | 1985-11-14 | 1987-06-10 | Gonnet, André | Process for the mass impregnation of hydrophobic products by one of the components of a hardening coating |
DE3824180C1 (en) * | 1988-07-16 | 1989-06-08 | Deutsche Perlite Gmbh, 4600 Dortmund, De | Process for producing ceramic shaped parts |
DE3921278A1 (en) * | 1988-07-16 | 1990-01-18 | Perlite Gmbh | Process for producing shaped ceramic parts |
DE4326615A1 (en) * | 1993-08-07 | 1995-02-09 | Feuerfestwerke Wetro Gmbh | Process for producing temperature-resistant lightweight bricks |
DE10033804A1 (en) * | 2000-07-12 | 2002-05-29 | Hans Viesmann | Method and device for producing heat-insulating, inseparable and in particular plate-shaped shaped bodies |
-
1966
- 1966-03-16 DE DEH58825A patent/DE1253133B/en active Pending
-
1967
- 1967-03-07 NL NL6703589A patent/NL6703589A/xx unknown
- 1967-03-15 BE BE695511D patent/BE695511A/xx unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0225264A1 (en) * | 1985-11-14 | 1987-06-10 | Gonnet, André | Process for the mass impregnation of hydrophobic products by one of the components of a hardening coating |
DE3824180C1 (en) * | 1988-07-16 | 1989-06-08 | Deutsche Perlite Gmbh, 4600 Dortmund, De | Process for producing ceramic shaped parts |
DE3921278A1 (en) * | 1988-07-16 | 1990-01-18 | Perlite Gmbh | Process for producing shaped ceramic parts |
DE4326615A1 (en) * | 1993-08-07 | 1995-02-09 | Feuerfestwerke Wetro Gmbh | Process for producing temperature-resistant lightweight bricks |
DE10033804A1 (en) * | 2000-07-12 | 2002-05-29 | Hans Viesmann | Method and device for producing heat-insulating, inseparable and in particular plate-shaped shaped bodies |
Also Published As
Publication number | Publication date |
---|---|
NL6703589A (en) | 1967-09-18 |
BE695511A (en) | 1967-08-14 |
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