DE202006016797U1 - Dry mortar contains dust-reducing additive, e.g. alcohol, polyethylene glycol, polyvinyl alcohol, ether, organic acid, alkanolamine, ester, ketone, silicone oil, polysiloxane-polyether copolymer, silicic acid, animal or vegetable oil or wax - Google Patents

Dry mortar contains dust-reducing additive, e.g. alcohol, polyethylene glycol, polyvinyl alcohol, ether, organic acid, alkanolamine, ester, ketone, silicone oil, polysiloxane-polyether copolymer, silicic acid, animal or vegetable oil or wax Download PDF

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DE202006016797U1
DE202006016797U1 DE200620016797 DE202006016797U DE202006016797U1 DE 202006016797 U1 DE202006016797 U1 DE 202006016797U1 DE 200620016797 DE200620016797 DE 200620016797 DE 202006016797 U DE202006016797 U DE 202006016797U DE 202006016797 U1 DE202006016797 U1 DE 202006016797U1
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dust
dry mortar
reducing component
mortar according
alcohol
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PCI Augsburg GmbH
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Priority to PCT/EP2007/007806 priority patent/WO2008052618A1/en
Priority to EP07802198A priority patent/EP2089337A1/en
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    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0608—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0075—Anti-dusting agents

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  • 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)

Abstract

Dry mortar contains 0.01-10 wt.% dust-reducing component(s) with respect to the total dry mix.

Description

Die vorliegende Erfindung betrifft einen neuen staubarmen Trockenmörtel.The The present invention relates to a new low-dust dry mortar.

Trockenmörtel sind pulverförmige, werkseitig vorgemischte Mörtel. Sie bestehen aus einem oder mehreren Bindemitteln und Füllstoffen mit einer Korngröße bis 4 mm sowie weiteren Additiven. Als Bindemittel werden Gips, Kalk oder Zement eingesetzt. Die Füllstoffe bestehen in der Regel aus Sand, vorzugsweise Quarzsand, und Feinfüllstoff wie z. B. Kalksteinmehl. Die Zugabe weitere Stoffe wie Verdicker, Entschäumer, Beschleuniger, Verzögerer usw. richtet sich nach dem jeweilig gewünschten Eigenschaftsprofil und Anwendungsfall des Trockenmörtels. Trockenmörtel werden kurz vor der Verwendung mit Anmachwasser oder einer anderen sogenannten Flüssigkomponete gemischt. Als Flüssigkomponente werden wässrige Kunstharze verwendet.Dry mortar are powdered, factory pre-mixed mortar. They consist of one or more binders and fillers with a grain size up to 4 mm and other additives. As a binder gypsum, lime or Cement used. The fillers are usually made of sand, preferably quartz sand, and fine filler such as B. limestone flour. The addition of other substances such as thickener, defoamers, Accelerator, retarder etc. depends on the respectively desired property profile and application of dry mortar. dry mortar be used just before using with mixing water or another so-called liquid component mixed. As a liquid component aqueous Synthetic resins used.

Nachteilig bei den Trockenmörteln ist die Staubentwicklung beim Umfüllen, z. B. in ein Rührgefäß, oder beim Anmischen mit Hilfe einer Mischvorrichtung. Die Staubentwicklung wird durch die Feinstpartikel des Bindemittels und der gegebenenfalls enthaltenen Feinfüllstoffe verursacht. Der dabei entstehende Staub kann beim Verarbeiter zu Atemwegsreizungen führen.adversely with the dry mortars is the dust during refilling, z. B. in a stirred vessel, or when mixing with the help of a mixing device. The dust development is through the finest particles of the binder and optionally contained fine fillers caused. The resulting dust can be added to the processor Cause respiratory tract irritation.

In DE 10 2005 005 998 A1 wird die Verwendung von Kohlenwasserstoffen in pulverförmigen Baustoffen zur Verminderung der Staubentwicklung beschrieben.In DE 10 2005 005 998 A1 describes the use of hydrocarbons in powdered building materials to reduce the formation of dust.

In EP 0 403 874 A1 sind als Additive zur Staubminderung spezielle Ethylenoxid/Propylenoxid-Blockcopolymere genannt.In EP 0 403 874 A1 are mentioned as additives for dust reduction special ethylene oxide / propylene oxide block copolymers.

Gemäß DE 69926547 wird vorgeschlagen, das Staubbildungsverhalten von zementbasierten Zusammensetzungen durch den Zusatz von fibrilierten Polytetrafluorethylenfasern in Gegenwart von alkohol- und/oder siliconbasierten Entschäumern zu reduzieren.According to DE 69926547 It is proposed to reduce the dusting behavior of cement-based compositions by the addition of fibrilated polytetrafluoroethylene fibers in the presence of alcohol and / or silicone-based defoamers.

Auch zum Zweck der Staubreduktion in pulverförmigen Pigmentzubereitungen wurden schon verschiedene Komponenten vorgeschlagen. So werden in DE 25 23 096 Mineralöl mit Emulgatoren, in DE 27 16 478 Wasserdampf, Öle und Dispergiermittel und in DE 40 15 183 aliphatische Diole vorgeschlagen.Various components have also been proposed for the purpose of reducing dust in pulverulent pigment preparations. So be in DE 25 23 096 Mineral oil with emulsifiers, in DE 27 16 478 Water vapor, oils and dispersants and in DE 40 15 183 aliphatic diols proposed.

Zur Staubminderung in Düngemitteln und Pestiziden wird gemäß EP 0 111 807 die Verwendung von wässrigen Polymerdispersionen/-Lösungen, in DE 195 25 730 die Verwendung von synthetischen und natürlichen Ölen, N-Alkyl-N Alkanolamin und Fettsäureester und in US 20060040049 die Verwendung von Salzen aliphatischer Fettsäuren sowie Methyl-/Ethylester von Fettsäuren beansprucht.For dust reduction in fertilizers and pesticides is in accordance with EP 0 111 807 the use of aqueous polymer dispersions / solutions, in DE 195 25 730 the use of synthetic and natural oils, N-alkyl-N alkanolamine and fatty acid esters and in US 20060040049 claims the use of salts of aliphatic fatty acids and methyl / ethyl esters of fatty acids.

Aufgabe der vorliegenden Erfindung war es, einen staubarmen Trockenmörtel zur Verfügung zu stellen, der bei Umfüll- und Mischvorgängen wenig Staubentwicklung zeigt. Die Aufgabe wurde durch einen Trockenmörtel nach den Ansprüchen 1 bis 8 gelöst, der zumindest eine staubmindernde Komponente in einer Menge von 0,01 bis 10 Gew.%, bezogen auf die Gesamttrockenmischung, enthält.task The present invention was to a low-dust dry mortar for disposal which, in the case of decanting and mixing operations shows little dust development. The task was followed by a dry mortar the claims 1 to 8 solved, the at least one dust-reducing component in an amount of 0.01 to 10 wt.%, Based on the total dry mixture contains.

Die Komponente zur Staubreduktion wird, falls es sich um einen Feststoff handelt, in üblicher Weise dem Trockenmörtel zugemischt. Handelt es sich um eine Flüssigkeit, kann diese entweder direkt oder in Form einer Emulsion auf die Trockenmörtelformulierung oder deren Bestandteile aufgesprüht oder mit diesen gemischt werden.The Dust reduction component, if it is a solid acts in the usual way the dry mortar admixed. If it is a liquid, this can either directly or in the form of an emulsion on the dry mortar formulation or their components sprayed or be mixed with these.

Als bevorzugte staubmindernde Komponente kommen folgende Vertreter und deren geeignete Mischungen in Frage: Monoalkohole, wie 3-Methoxybutanol, Benzylalkohol, 1,2 Propandiol, Hexanol, Diacetonalcohol, Ethyldiglycol, Isopropanol, 2-Ethylhexanol und/oder Alkandiole wie 2-Methyl-pentane-2,4-diol, Neopentylglycol, 2-Methyl-pentane-2,4-diol, Neopentylglykol, n-Butane-1,3-diol, n-Butane-1,5-diol, n-Butane-2,5-diol, Glycole, Polyethylenglycole, Fettalkohole sowie Polyvinylalkohol, aliphatische Ether, Celluloseether, Alkoxylate, Methyl-/Ethyl-Fettsäureether, tertiäre aliphatisch gesättigte Monocarbonsäuren mit 5-20 C-Atomen, ungesättigte Monocarbonsäuren mit 5 bis 20 Kohlenstoff-Atomen, Fettsäuren und deren Salze, Fettsäureester, N-Alkyl-N Alkanolamine, Propylenecarbonat, Acetate wie Isopropylacetat, Hexylacetat, Ethylglykolacetat, und aliphatische Phosphorsäureester, Cyclohexanon, Methylisobutylketone, Methylheptylketone, Perflourpolymethylisopropylether, Siliconöle, Polysiloxan-Polyether-Copolymere, Kieselsäure. Infrage kommen außerdem tierische Öle, wie z. B. Fischöl, Pflanzenöle wie z. B. Mandel- und Jojobaöl sowie flüssige, halbfeste oder feste Wachse, wobei als flüssiger Vertreter Ölsäureoleyester besonders geeignet sind.When preferred dust-reducing component are the following representatives and suitable mixtures thereof: monoalcohols, such as 3-methoxybutanol, Benzyl alcohol, 1,2-propanediol, hexanol, diacetone alcohol, ethyl diglycol, Isopropanol, 2-ethylhexanol and / or alkanediols such as 2-methyl-pentane-2,4-diol, neopentyl glycol, 2-methyl-pentane-2,4-diol, neopentyl glycol, n-butane-1,3-diol, n-butane-1,5-diol, n-butanes-2,5-diol, glycols, polyethylene glycols, fatty alcohols and Polyvinyl alcohol, aliphatic ethers, cellulose ethers, alkoxylates, Methyl / ethyl fatty acid ethers, tertiary aliphatically saturated Monocarboxylic acids with 5-20 carbon atoms, unsaturated Monocarboxylic acids with 5 to 20 carbon atoms, fatty acids and their salts, fatty acid esters, N-alkyl-N alkanolamines, Propylene carbonate, acetates such as isopropyl acetate, hexyl acetate, ethyl glycol acetate, and aliphatic phosphoric esters, Cyclohexanone, methyl isobutyl ketones, methyl heptyl ketones, perflourpolymethyl isopropyl ether, Silicone oils, polysiloxane-polyether copolymers, silicic acid. questioning come as well animal oils, such as Fish oil, vegetable oils such as B. almond and jojoba oil as well liquid, semisolid or solid waxes, wherein as a liquid agent Olesäureoleyester are particularly suitable.

Das nachfolgende Beispiel belegt die Vorteile der vorliegenden Erfindung.The The following example demonstrates the advantages of the present invention.

Beispielexample

Ausführungsbeispiel:Embodiment:

Es wurden in einen Mischbehälter 500 g Portlanzement CEM 42,5, 700 g Quarzsand der Körnung 0,1 bis 0,5 mm und 200g Kalksteinmehl trocken und homogen miteinander vermischt. Über eine feine Düse wurde unter weiterem langsamen Rühren der Trockenmischung 10 g flüssiges Trioctylphosphat durch Eindüsen fein verteilt zudosiert (Trockenmörtel 1).500 g of port lance CEM 42.5, 700 g of quartz sand of grain size 0.1 to 0.5 mm and 200 g of limestone flour were mixed dry and homogeneous with each other in a mixing vessel. 10 g of liquid trioctyl phosphate were passed through a fine nozzle with further slow stirring of the dry mixture dosed finely distributed by injection (dry mortar 1).

In gleicher Weise wurde eine zweite Mischung ohne den Zusatz von Trioctylphosphat hergestellt (Trockenmörtel 2).In similarly, a second mixture was added without the addition of trioctyl phosphate prepared (dry mortar 2).

Zur Prüfung der Staubentwicklung wurden beide Trockenmörtel mit einer schnell laufenden Bohrmaschine mit Scheibenrührer trocken gemischt und die dabei auftretende Staubentwicklung visuell beobachtet. Im Vergleich zur unmodifizierten Vergleichsmischung 2 zeigte die erfindungsgemäße Mischung 1 eine deutlich geringere Staubentwicklung.to exam The dust evolution was both dry mortar with a high-speed drill with disc stirrer mixed dry and visually observed the dust formation occurring. In comparison to the unmodified comparison mixture 2, the inventive mixture 1 a significantly lower dust.

Claims (11)

Trockenmörtel, dadurch gekennzeichnet, dass er mindestens eine staubmindernde Komponente in einer Menge von 0,01 bis 10 Gew.%, bezogen auf die Gesamttrockenmischung, enthält.Dry mortar, characterized in that it contains at least one dust-reducing component in an amount of 0.01 to 10 wt.%, Based on the total dry mixture. Trockenmörtel nach Anspruch 1, dadurch gekennzeichnet, dass er als staubmindernde Komponente Monoalkohole, wie 3-Methoxybutanol, Benzylalkohol, 1,2 Propandiol, Hexanol, Diacetonalcohol, Ethyldiglycol, Isopropanol, 2-Ethylhexanol und/oder Alkandiole wie 2-Methyl-pentane-2,4-diol, Neopentylglycol, 2-Methyl-pentane-2,4-diol, Neopentylglykol, n-Butane-1,3-diol, n-Butane-1,5-diol, n-Butane-2,5-diol und/oder Glycole und/oder Polyethylenglycole und/oder Fettalkohole und/oder Polyvinylalkohol enthält.dry mortar according to claim 1, characterized in that it is used as dust-reducing Component monoalcohols, such as 3-methoxybutanol, benzyl alcohol, 1,2 Propanediol, hexanol, diacetone alcohol, ethyl diglycol, isopropanol, 2-ethylhexanol and / or alkanediols such as 2-methyl-pentane-2,4-diol, neopentyl glycol, 2-methyl-pentane-2,4-diol, neopentyl glycol, n-butane-1,3-diol, n-butane-1,5-diol, n-butane-2,5-diol and / or glycols and / or polyethylene glycols and / or Contains fatty alcohols and / or polyvinyl alcohol. Trockenmörtel nach Anspruch 1 oder 2, dadurch gekennzeichnet dass er als staubmindernde Komponente aliphatische Ether und/oder Celluloseether und/oder Alkoxylate und/oder Methyl-/Ethyl-Fettsäureether enthält.dry mortar according to claim 1 or 2, characterized in that it is used as a dust-reducing component aliphatic ethers and / or cellulose ethers and / or alkoxylates and / or Methyl / ethyl fatty acid ethers contains. Trockenmörtel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass er als staubmindernde Komponente tertiäre aliphatisch gesättigte Monocarbonsäuren mit 5-20 C-Atomen, ungesättigte Monocarbonsäuren mit 5 bis 20 Kohlenstoff-Atomen Fettsäuren und deren Salze, sowie Mischungen daraus enthält.dry mortar according to one of the claims 1 to 3, characterized in that it is used as a dust-reducing component tertiary aliphatically saturated monocarboxylic acids with 5-20 carbon atoms, unsaturated monocarboxylic acids with 5 to 20 carbon atoms fatty acids and their salts, as well Contains mixtures thereof. Trockenmörtel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass er als staubmindernde Komponente Fettsäureester, N-Alkyl-N Alkanolamine, Propylenecarbonat, Acetate wie Isopropylacetat, Hexylacetat, Ethylglykolacetat, aliphatische Phosphorsäureester und Mischungen daraus enthält.dry mortar according to one of the claims 1 to 4, characterized in that it is used as a dust-reducing component fatty acid ester, N-alkyl-N alkanolamines, propylene carbonate, acetates such as isopropyl acetate, Hexyl acetate, ethyl glycol acetate, aliphatic phosphoric acid esters and mixtures thereof. Trockenmörtel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass er als staubmindernde Komponente Cyclohexanon, Methylisobutylketone, Methylheptylketone und Mischungen daraus enthält.dry mortar according to one of the claims 1 to 5, characterized in that it is used as a dust-reducing component cyclohexanone, Methyl isobutyl ketones, methyl heptyl ketones and mixtures thereof. Trockenmörtel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass er als staubmindernde Komponente Perflourpolymethylisopropylether enthält.dry mortar according to one of the claims 1 to 6, characterized in that it is used as a dust-reducing component Perflourpolymethylisopropylether contains. Trockenmörtel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass er als staubmindernde Komponente Silikonöle, Polysiloxan-Polyether-Copolymere, Kieselsäure und Mischungen daraus enthält.dry mortar according to one of the claims 1 to 7, characterized in that it as a dust-reducing component Silicone oils, Polysiloxane-polyether copolymers, silica and mixtures thereof. Trockenmörtel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass er als staubmindernde Komponente tierische Öle, wie z. B. Fischöl enthält.dry mortar according to one of the claims 1 to 8, characterized in that it is used as a dust-reducing component animal oils, such as B. contains fish oil. Trockenmörtel nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er als staubmindernde Komponente Pflanzenöle, wie z. B. Mandelöl, Jojobaöl usw. enthält.dry mortar according to one of the claims 1 to 9, characterized in that it as a dust-reducing component Vegetable oils, such as B. almond oil, jojoba oil, etc. contains. Trockenmörtel nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass er als staubmindernde Komponente flüssige (Ölsäureoleylester), halbfeste und/oder feste Wachse enthält.dry mortar according to one of the claims 1 to 10, characterized in that it is used as a dust-reducing component liquid (Oleic acid oleyl ester), semi-solid and / or solid waxes.
DE200620016797 2006-11-03 2006-11-03 Dry mortar contains dust-reducing additive, e.g. alcohol, polyethylene glycol, polyvinyl alcohol, ether, organic acid, alkanolamine, ester, ketone, silicone oil, polysiloxane-polyether copolymer, silicic acid, animal or vegetable oil or wax Expired - Lifetime DE202006016797U1 (en)

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DE200620016797 DE202006016797U1 (en) 2006-11-03 2006-11-03 Dry mortar contains dust-reducing additive, e.g. alcohol, polyethylene glycol, polyvinyl alcohol, ether, organic acid, alkanolamine, ester, ketone, silicone oil, polysiloxane-polyether copolymer, silicic acid, animal or vegetable oil or wax
PCT/EP2007/007806 WO2008052618A1 (en) 2006-11-03 2007-09-07 Low-dust dry mortar
EP07802198A EP2089337A1 (en) 2006-11-03 2007-09-07 Low-dust dry mortar

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DE200620016797 DE202006016797U1 (en) 2006-11-03 2006-11-03 Dry mortar contains dust-reducing additive, e.g. alcohol, polyethylene glycol, polyvinyl alcohol, ether, organic acid, alkanolamine, ester, ketone, silicone oil, polysiloxane-polyether copolymer, silicic acid, animal or vegetable oil or wax

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