Abstract:
The present invention is a direct reactive process of inorganic polymerization used to obtain composites whose polymeric matrix does not require chemical or thermal pre-activation of the mixture reactors of specific natural aluminosilicates and varied aggregates, in the manufacture of alternatives to ceramics, Portland cement, timber, gypsum and metallic frames, through an adequate mixture added to the inorganic matrix of one or more natural aggregates (silica, limestone, hydrated lime, vermiculite, asbestos fibers) combined or not with synthetic alkaline-resistant aggregates (tire rubber, polypropylene fibers, nylon, PVA). To these, an alkaline solution of water and sodium hydroxide and/or potassium hydroxide will be added for the molding or extrusion and cutting out of artifacts, which will be oven-dried and polymerized at temperatures between 100°C and 500°C.
Abstract:
Disclosed are structural materials including polymeric reinforcement fibers that can provide added strength and fracture toughness to the matrix. The polymeric reinforcement fibers are polypropylene-based monofilament fibers or tape fibers exhibiting extremely favorable mechanical characteristics for structural reinforcement including modulus greater than 12 MPa and elongation less than about 10 %. The disclosed reinforced composite materials can exhibit desired average residual strength values with less total fiber loading necessary to attain the ARS values as compared to previously known polymer reinforced materials. Very high strength and fracture toughness can be attained in the disclosed composite materials.
Abstract:
Solid mixture for the preparation of concrete which after 16 hours has a mechanical resistance higher or equal to 50 MPa comprising cement and limestone aggregates, substantially lacking latent hydraulic activity, characterized by the presentation of a specific granulometric distribution curve.
Abstract:
The invention relates to the use of hydrocarbons or hydrocarbon mixtures as additives for reducing the dust caused by dry, especially powdery chemical products for construction, especially hydraulically binding or cement-based materials, such as tile adhesives, jointing mortar, filler, sealing materials and the like. Such dedusting additives based on hydrocarbons or hydrocarbon mixtures create a long-lasting dedusting effect on the chemical products treated therewith, an effect which is maintained both in closed storage and in open storage, especially under atmospheric oxygen, without affecting the treatment and application characteristics of the chemical products for construction treated in this way.
Abstract:
Die Erfindung betrifft die Verwendung von Kohlenwasserstoffen oder Kohlenwasserstoffgemischen als Additive zur Verminderung des Staubens trockener, insbesondere pulverförmiger bauchemischer Produkte, insbesondere hydraulisch abbindender oder zementbasierter Massen, wie Fliesenkleber, Fugenfüller, Spachtelmassen, Dichtschlämme und dergleichen. Derartige Entstau- bungsadditive auf Basis von Kohlenwasserstoffen oder Kohlenwasserstoffgemischen bewirken eine Langzeitentstaubungswirkung in bezug auf die hiermit behandelten bauchemischen Produkte, welche sowohl bei geschlossener Lagerung wie bei offener Lagerung, insbesondere unter Luftsauerstoff, erhalten bleibt, und dies ohne Beeinträchtigung der Verarbeitungs- und Anwendungseigenschaften der auf diese Weise behandelten bauchemischen Produkte.
Abstract:
Fibra con geometría optimizada para el refuerzo del hormigón y el mortero que muestra una sección circular con al menos cuatro resaltes triangulares equidistantes, mejorando la adherencia de la fibra al material donde se encuentra embebida.
Abstract:
Fibre polymérique chargée comprenant en masse des additifs, la fibre polymérique chargée présentant un module d'Young supérieur à celui d'une fibre polymérique non chargée et lesdits additifs comprenant des additifs minéraux ayant au moins une dimension submicronique.
Abstract:
The invention relates to hardened concrete, in particular a concrete structural component, comprising a mixture of between 10.0 wt. % and 25.0 wt. %, (without taking into account any reinforcement), of set hydraulic and/or latent hydraulic binding agents, e.g. Portland cement, blast-furnace cement or similar, between 75.0 wt. % and 90.0 wt. %, (without taking into account any reinforcement), aggregates, fibres, in particular thermoplastic fibres, polymers, cellulose, paper or similar, optionally liquefiers, dispersants or similar, and optionally reinforcement, whereby the sum of the aggregates corresponds to the following chemical composition: Mg0 25.0 to 50.0 wt. %, in particular 30.0 to 40.0 wt. %; Si02 30.0 to 55.0 wt. %, in particular 40.0 to 45.0 wt. %; Fe203 5.0 to 15.0 wt. %; Cr203 1.0 wt. % max.; Al203 1.0 wt. % max.; free Si02 in the form of quartz 5.0 wt. % max., in particular 1.0 wt. % max.; admixtures residual amount and 0.3 to 3.0 wt. % fibres, in particular 0.4 to 1.0 wt. %.
Abstract translation:硬化的混凝土,特别是混凝土结构构件,10.0重量%至25.0重量%的混合物,没有增强计算,硬化的水硬和/或潜在水硬性粘合剂这样。 OD例如波特兰水泥,高炉水泥。等。,75.0重量%至90.0重量%,不计算加固,聚集体,纤维,在热塑性塑料的特别的纤维,OD聚合物,纤维素,纸,或类似物。,任选液化 剂,分散剂OD。等。,和任选地用增强物,其中所述聚集体的总和具有以下化学组成Mg0的25.0至50.0重量%,特别是30.0〜40.0重量%的SiO 2 30.0 至55.0重量%,特别是40.0至45.0重量%Fe 2 O 3 5.0至15.0重量%Cr 2 O 3 max。 1.0重量%Al 2 O 3 max。 1.0重量%的游离SiO 2作为石英最大值。 5.0重量%,特别是最大。 1.0重量%的混合物余量和0.3至3.0重量%的纤维,特别是0.4至1.0重量%的纤维。
Abstract:
Die Erfindung betrifft einen Leichtbeton mit einer Trockenrohdichte von 200 bis 600 kg/m 3 sowie ein Verfahren zu seiner Herstellung. Die Erfindung zeichnet sich dadurch aus, dass der Leichtbeton aus einer Mischung von Wasser, Zement, Fliessmittel, Schaummittel beziehungsweise Porenbildner und Mikrofasern hergestellt ist und statich tragende Eigenschaften aufweist.