摘要:
This invention relates to a method for manufacturing a surface-treated particulate inorganic material, and more particularly to methods for manufacturing lightweight particulate inorganic materials, such as expanded perlite or expanded clay, coated with one or more silsesquioxanes. The surface-treated particulate inorganic material according to the present invention is suited for introduction into construction materials, such as mortar, piaster, cement and lightweight concrete, to lower the loose bulk density and improve the mechanical strength of the mixture.
摘要:
The invention relates to cementitious or grout compositions and drilling fluids including reinforcement fibers and methods relating thereto. The cementitious or grout compositions include dry blend material and reinforcement fibers. Each of the fibers can have one or more of a pre-selected mean length, denier, diameter and aspect ratio to improve dispersion in dry blending the cementitious or grout compositions.
摘要:
The present invention relates to the use of a solid comprising at least one organosilane and a carrier material to hydrophobise mortars, wherein the organosilane has the formula R1Si(OR′)3 or R1R2Si(OR′)2 wherein R1 and R2 are the same or different and are a linear or branched C1- to C4-alkyl and/or alkenyl group, OR′ is an acetoxy, a C1- to C4-alkoxy and/or a C2- to C6-methoxyalkoxy and/or ethoxyalkoxy group, and the carrier material is a solid at room temperature. The amount of cement in the final formulation is zero or less than 5 wt.-%, based on the total weight of the final formulation in the dry and uncured form. Claimed are also a powder comprising the silane and a carrier with the carrier being a water-soluble polymer, dry mortar formulations containing no or less than 5 wt.-% cement, based on the dry weight of the uncured mortar formulation, as well as processes to manufacture the formulations and/or compounds.
摘要:
A method of treating the fabric of a building to prevent the ingress of water involves drilling a number of cavities into the relevant area of the building. Thereafter the cavities are filled with a thixotropic paste comprising at least one silane compound, at least one siloxane compound and a thickening agent, all in a water base. The silane compound is preferably an alkyl alkoxy silane such as iso-octyl triexthoxy silane. The silane compound or compounds may be mixed with oligomers having 3 to 8 siloxane units and carrying alkoxy residues. A second siloxane may be present in the form of a modified polymethyl siloxane, preferably as a solvent free water emulsion containing 50 per cent by weight of the polymethyl siloxane. The thickening agent is preferably a modified bentonite. Thixotropic pastes are described for use in the method of treating buildings and also methods of making a such pastes.
摘要:
The invention relates to an IR-reflecting composition including a mixture of glass components selected from the group comprising hollow glass beads, solid glass beads, silver-coated hollow glass beads, silver-coated solid glass beads, aluminium-coated hollow glass beads and aluminium-coated solid glass beads. The invention further provides building materials having a coating comprising the IR-reflecting composition.
摘要:
L'invention concerne un mélange précurseur pour coulis destiné à la mise en place de sondes géothermiques, ledit mélange contenant un matériau à prise hydraulique et de la silice. L'invention concerne également un coulis obtenu à partir dudit mélange précurseur, ainsi que l'utilisation de ce coulis.
摘要:
Methods are provided for vapor deposition coating of hydrophobic materials and applications thereof. The method for making a hydrophobic material includes providing a natural mineral, providing a silicone-based material, heating the silicone-based material to release vaporous molecules of the silicone-based material, and depositing the vaporous molecules of the silicone-based material to form a layer of the silicone-based material on surfaces of the natural mineral.