DE802624C - Release agent for concrete - Google Patents

Release agent for concrete

Info

Publication number
DE802624C
DE802624C DEP15811A DEP0015811A DE802624C DE 802624 C DE802624 C DE 802624C DE P15811 A DEP15811 A DE P15811A DE P0015811 A DEP0015811 A DE P0015811A DE 802624 C DE802624 C DE 802624C
Authority
DE
Germany
Prior art keywords
concrete
wood
release agent
formwork
solid
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
DEP15811A
Other languages
German (de)
Inventor
Carl Dr Zerbe
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.)
Deutsche Shell GmbH
Original Assignee
Deutsche Shell GmbH
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 Deutsche Shell GmbH filed Critical Deutsche Shell GmbH
Priority to DEP15811A priority Critical patent/DE802624C/en
Application granted granted Critical
Publication of DE802624C publication Critical patent/DE802624C/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G19/00Auxiliary treatment of forms, e.g. dismantling; Cleaning devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

Entschalungsmittel für Beton Bei der Formgebung von Beton zur Herstellung von Betontrauten, Betonbauteilen oder sonstigen Betonkörpern verwendet tnan bekanntlich Formen (Einschalungen) aus holz oder Metall, in denen der Beton zu einer festen Masse erstarrt. Diese Einschalungen müssen sich nach dem Erhärten des Betons leicht von diesem ablösen lassen, ohne daß Betonreste ati dem Einschalungsmittel haften bleiben, weil sonst die Betonoberfläche unansehnlich wird, die in der Betonoberfläche entstandenen Löcher ausgebessert und die Linschalungsmittel für ihre \Viederverwendung gesäubert werden müssen.Stripping agent for concrete When shaping concrete for manufacture used by concrete loaves, concrete components or other concrete bodies is known Forms (formwork) made of wood or metal, in which the concrete becomes a solid Mass solidifies. These formworks must be easy to set up after the concrete has hardened can be detached from this without any concrete residue adhering to the shuttering material stay, because otherwise the concrete surface becomes unsightly, which in the concrete surface The resulting holes were repaired and the lining materials for their reuse need to be cleaned.

Eine solche leichte Ablösbarkeit der Einschalungsmittel suchte man durch Anstriche oder Zwischenlagen zu erreichen, die man auf die Innenseite der Einschalungsmittel aufbrachte. Man hat feste Zwischenlagen oder Anstriche, z. B. Ton oder Lehm, benutzt, ferner wässerige Lösungen, dann Emulsionen von Ölen und Öl selbst. Feste Anstriche und Zwischenlagen machen den Beton unansehnlich; wässerige Lösungen werden leicht ausgelaugt, diffundieren in den Beton ein und setzen dessen Festigkeit Herab. Ölige Stoffe, insbesondere wenn sie auf feuchtes Holz aufgetragen werden, laufen zusammen und schädigen den Beton.Such an easy detachability of the shuttering material was sought can be achieved by painting or interlaying on the inside of the Formwork agent applied. You have solid interlayers or paints, e.g. B. Clay or loam, used, also aqueous solutions, then emulsions of oils and Oil itself. Solid paints and liners make the concrete unsightly; watery Solutions are easily leached out, diffuse into and set in the concrete Firmness Down. Oily substances, especially when applied to damp wood run together and damage the concrete.

Wir haben nun gefunden, daß diese Mißstände vermieden werden und gleichzeitig eine gute Ablösung des Einschalungsmittels von der erhärteten Betonoberfläche erreicht wird, wenn man das Einschalutigsmittel vor dem Einbringen des Betons mit einer wässerigen Emulsion von festen Paraffinkolilenwasserstoffen als Entschalungsmittel behandelt. Insbesondere sind geeignet Emulsionen von Tafelparaffin, Paraffingatsch von Erdöl- und Braunkohlenteerölen, Festparaffin von Urteeren usw. Ein geringer Ölgehalt der zu verwendenden Paraffine stört nicht, sondern wirkt im Gegenteil in manchen Fällen, insbesondere bei Eisen als Einschalungsmittel, begünstigend, bei Holz als Einschalungsmittel konservierend auf das Holz.We have now found that these abuses are avoided and at the same time A good detachment of the shuttering agent from the hardened concrete surface is achieved if you apply the Einalutigsmittel before placing the concrete with an aqueous Emulsion of solid paraffinic hydrocarbons treated as a release agent. Particularly suitable are emulsions of table paraffin, slack wax from petroleum and lignite tar oils, solid paraffin from primeval tars, etc. A low oil content of the The paraffins to be used do not interfere, on the contrary, it works in in some cases, especially when iron is used as a shuttering agent Wood as a formwork preservative on the wood.

Die Emulsionen zerfallen an der Oberfläche, insbesondere von Hölzern und Eisen, und bilden, ohne selbst allzu tief in das Holz einzudringen, auf dem Einschalungsmittel eine hauchdünne Paraffinhaut, die das Festhalten von Beton verhindert. Der Beton beschleunigt die Ausfällung, ohne daB das Paraffin in den Beton hinein diffundiert. Durch die gebildete Paraffinschicht wird das Einziehen des Betonanmachwassers in das Holz erschwert und dadurch ein gutes Abbinden des Betons gesichert und gleichzeitig das Holz vor dem alkalischen Betonwasser geschützt.The emulsions disintegrate on the surface, especially of wood and iron, and form on the wood without penetrating too deeply into the wood Formwork means a wafer-thin paraffin skin that prevents concrete from sticking. The concrete accelerates the precipitation without letting the paraffin into the concrete diffused. Due to the paraffin layer that is formed, the water for making the concrete is drawn in difficult in the wood and thereby a good setting of the concrete secured and at the same time the wood is protected from the alkaline concrete water.

Claims (1)

PATENTANSPRUCH: Die Verwendung von Emulsionen fester Paraffinkohlenwasserstoffe als Entschalungsmittel zum Behandeln von Betonschalungen, z. B. aus Holz oder Metall.PATENT CLAIM: The use of emulsions of solid paraffinic hydrocarbons as a formwork removal agent for treating concrete formwork, e.g. B. made of wood or metal.
DEP15811A 1948-10-02 1948-10-02 Release agent for concrete Expired DE802624C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP15811A DE802624C (en) 1948-10-02 1948-10-02 Release agent for concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP15811A DE802624C (en) 1948-10-02 1948-10-02 Release agent for concrete

Publications (1)

Publication Number Publication Date
DE802624C true DE802624C (en) 1951-02-15

Family

ID=7365763

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP15811A Expired DE802624C (en) 1948-10-02 1948-10-02 Release agent for concrete

Country Status (1)

Country Link
DE (1) DE802624C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884469C (en) * 1951-05-11 1953-07-27 Mineraloelwerk Franz Voitlaend Process for the production of emulsions as punching, pressing and forming oils
DE945377C (en) * 1939-03-29 1956-07-05 Albert Emulsionswerk G M B H Release agent for wooden formwork
DE1211098B (en) * 1961-10-21 1966-02-17 Schleipen & Erkens Ag & Co Process for influencing the surface structure of concrete masses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945377C (en) * 1939-03-29 1956-07-05 Albert Emulsionswerk G M B H Release agent for wooden formwork
DE884469C (en) * 1951-05-11 1953-07-27 Mineraloelwerk Franz Voitlaend Process for the production of emulsions as punching, pressing and forming oils
DE1211098B (en) * 1961-10-21 1966-02-17 Schleipen & Erkens Ag & Co Process for influencing the surface structure of concrete masses

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