DE617867C - Cementitious building materials - Google Patents

Cementitious building materials

Info

Publication number
DE617867C
DE617867C DEI48480D DEI0048480D DE617867C DE 617867 C DE617867 C DE 617867C DE I48480 D DEI48480 D DE I48480D DE I0048480 D DEI0048480 D DE I0048480D DE 617867 C DE617867 C DE 617867C
Authority
DE
Germany
Prior art keywords
cement
building materials
aniline
sludge
cementitious building
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
DEI48480D
Other languages
German (de)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI48480D priority Critical patent/DE617867C/en
Application granted granted Critical
Publication of DE617867C publication Critical patent/DE617867C/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use 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
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/30Oxides other than silica
    • C04B14/308Iron oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Description

Zementhaltige Baustoffe Es ist bereits bekannt, bei der@Herstellung von Baustoffen dem verwendeten Zement nach seiner Fertigstellung solche Stoffe zuzusetzen, welche der Erhöhung der Festigkeit oder der chemischen Widerstandsfähigkeit oder der Dichte der mit Hilfe dieses Zements hergestellten Baustoffe zu dienen bestimmt sind. Zu diesen Stoffen gehört insbesondere Eisenoxyd.Cement-containing building materials It is already known in the @ manufacture of building materials to add such substances to the cement used after its completion, which increase strength or chemical resistance or intended to serve the density of the building materials produced with the help of this cement are. These substances include, in particular, iron oxide.

Es wurde nun gefunden, daß alle diese Eigenschaftsverbesserungen des Baustoffes in besonders auffallender Weise dadurch hervorgerufen werden können, daß dem Zement solche Eisenoxyde oder Oxydgemische zugesetzt werden, welche bei der Reduktion organischer Nitroverbindungen mit Hilfe von Eisen anfallen. Anstatf die Eisenoxyde dem Zement unmittelbar beizumischen, kann man sie, wie an sich üblich, dem der Mörtelbereitung dienenden Gemisch aus Zement und Sand zusetzen.It has now been found that all of these property improvements of the Building material can be caused in a particularly striking way, that such iron oxides or oxide mixtures are added to the cement, which at the reduction of organic nitro compounds with the help of iron. Instead mix the iron oxides directly into the cement, you can, as usual, add to the mixture of cement and sand used for mortar preparation.

Die Erhöhung der Widerstandsfähigkeit gegenüber chemischen Einflüssen, welche der Zusatz solcher Eisenoxyde hervorzurufen imstande ist, geht beispielsweise aus der folgenden Gegenüberstellung hervor: Wasser- Ammon- Lagerung lfat- Baustoff lä erung Druckfestigkeit in lig/qcm i. Nur Portlandzement und Normensand .. ... 325 186 2. Portlandzement -E- 2o Ge- wichtsprozent TraBzu- schlag . ...... .. 4o6 328 3. Portlandzement + 2-o0/, Anilinschlamm ........ 432 411 Anilinschlamm ist das bei der Reduktion von aromatischen Nitroverbindungen gewonnene Eisenoxydgemisch.The increase in resistance to chemical influences, which the addition of such iron oxides is able to bring about, can be seen, for example, from the following comparison: Water ammonium Storage lfat- Building material lä erung Compressive strength in lig / qcm i. Portland cement and only Standard sand ... ... 325 186 2. Portland cement -E- 2o Ge weight percent TraBzu- blow. ...... .. 4o6 328 3. portland cement + 2-o0 /, Aniline sludge ........ 432 411 Aniline sludge is the iron oxide mixture obtained from the reduction of aromatic nitro compounds.

Die mechanische Abnutzung von Zementmörtel nimmt infolge des Zusatzes des Anilinschlamms ab. Vergleicht man beispielsweise Probekörper, indem man sie aus gleichen Abständen mit ungefähr 2,5 Atm. Luftdruck senkrecht zur Fläche 3 Minuten lang mit Normensand bespritzt, so ergibt sich für Portlandzement eine Gewichtsabnahme von i,136 g/qcm, während die Gewichtsabnahme bei Ersatz von 2o °/o des Zementgewichts durch Anilinschlamm nur 0,734 glqcm beträgt. Beispiele: i. Durch Zusatz von 2o.01, Anilinschlamm zu einem Zementmörtel, bestehend aus 5oo g Zement, i 500 g Sand, i 8o g Wasser, erhöhen sich Druck- Zug- spez. festigkeit festigkeit Gewicht von ....... 263 2355 2,z6 auf ....... 3045 27,35 2,25 2. Durch Zusatz von 215 g Anilinschlamm zu einer Mischung von 625 g Portlandzement, 1875 g Sand, Zoo g Wasser erfolgt eine Erhöhung der Druckfestigkeit von 3o8 auf 454.The mechanical wear and tear of cement mortar decreases as a result of the addition of the aniline sludge. For example, if one compares test specimens by placing them at equal intervals with approximately 2.5 atm. When air pressure was sprayed perpendicular to the surface with standard sand for 3 minutes, the weight loss for Portland cement was 1. 136 g / sq.cm, while the weight loss when 20% of the cement weight was replaced by aniline sludge was only 0.734 g / sq.cm. Examples: i. By adding 2o.01, aniline sludge to a cement mortar, consisting of 500 g cement, i 500 g sand, i 80 g water, increase Push-pull spec. strength strength weight from ....... 263 2355 2, z6 to ....... 3045 27.35 2.25 2 g of water by the addition of 215 g of aniline sludge to a mixture of 625 g Portland cement, 1875 g sand, Zoo is an increase in the compressive strength of 3o8 to 454th

3. Durch Zusatz von 155 Teilen Anilinschlamm zu einer Mischung von 450 g Zement, 1350 g Sand, 156 g Wasser wird eine Erhöhung der Dichtigkeit gegenüber dem gleichen Zement ohne Oxydzusatz von 5 auf mindestens 8 Atm. Wasserdruck erreicht.3. an increase in the density compared to the same cement without Oxydzusatz of 5 to 8 atm is at least by the addition of 155 parts of aniline sludge to a mixture of 450 g of cement, 1350 g of sand, 156 g of water. Water pressure reached.

Claims (1)

PATENTANSPRUCH: Zementhaltige Baustoffe mit Zusatz von Eisenoxyden, gekennzeichnet durch Verwendung von solchen Eisenoxydgemischen, wie sie bei der Reduktion von organischen Nitroverbindungen mit Hilfe von Eisen anfallen. PATENT CLAIM: Cement-containing building materials with the addition of iron oxides, characterized by the use of iron oxide mixtures such as those obtained from the reduction of organic nitro compounds with the aid of iron.
DEI48480D 1933-12-03 1933-12-03 Cementitious building materials Expired DE617867C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI48480D DE617867C (en) 1933-12-03 1933-12-03 Cementitious building materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI48480D DE617867C (en) 1933-12-03 1933-12-03 Cementitious building materials

Publications (1)

Publication Number Publication Date
DE617867C true DE617867C (en) 1935-08-27

Family

ID=7192287

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI48480D Expired DE617867C (en) 1933-12-03 1933-12-03 Cementitious building materials

Country Status (1)

Country Link
DE (1) DE617867C (en)

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