Abstract:
A ceramic support capable of supporting a catalyst comprising a ceramic body having fine pores with a diameter or width up to 1000 times the ion diameter of a catalyst component to be supported on the surface of the ceramic body, the number of the fine pores being not less than 1×1011 pores per liter, is produced by introducing oxygen vacancies or lattice defects in the cordierite crystal lattice or by applying a thermal shock to form fine cracks.
Abstract:
The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch, cellulose ether and fully synthetic vinyl polymers and/or polyacrylates. The agglomerate is characterized in that it contains a blasting agent which produces a high swelling pressure, but, advantageously, does not gel. The agglomerate can have a regular geometric form or not. Its weight should be between 0.5 and 500 g. The agglomerate is used in particular in the production of lump-free paste.
Abstract:
A premixed ultra-light sandless mortar for use with clay and concrete tiles. The mortar uses vermiculite or perlite aggregate in place of heavy aggregates such as sand. The mortar cement is made from portland cement, lime, air entraining agents, and water repelling agents. The resulting compound retains large amounts of moisture which increases hydration time resulting in improved bonding strength, and increased tile uplift strength. The light weight of the mortar also allows a full bed of mortar to be laid on the roof with the resulting benefit of an addition insulating layer for the building. The mortar is suitable for roofing or floor tile applications.
Abstract:
A silencer comprising one or more sound-absorbing parts of ceramic material. The ceramic material is porous and the sound-absorbing parts are self-supporting and have a specific resistance to air flow of 10.sup.3 -10.sup.7 Pas/m.sup.2 and a compression strength of at least 40 kN/m.sup.2, preferably at least 400 kN/m.sup.2.
Abstract translation:一种消音器,包括一个或多个陶瓷材料的吸声部分。 陶瓷材料是多孔的,吸声部分是自支撑的,并且具有103-107Pas / m 2的空气流动的特有阻力,并且压缩强度至少为40kN / m 2,优选至少为400kN / m 2。
Abstract:
The present invention provides cementitious tile adhesives comprising ordinary Portland cement, sand or another inorganic filler, and from 0.12 to 0.6 wt. % of total solids of one or more polyether group containing crosslinked cellulose ethers. The present invention also provides methods of making the polyether group containing crosslinked cellulose ethers comprising crosslinking a cellulose ether at 90° C. or less, in an inert atmosphere, e.g. nitrogen, in the presence of a polyether group containing crosslinking agent and in the presence of alkali; the process may comprise part of a stepwise addition process of making of a cellulose ether itself in which the crosslinking of the cellulose ethers precedes at least one addition of alkyl halide or alkylene oxide to form, respectively, alkyl or hydroxyalkyl groups on the cellulose.
Abstract:
Disclosed are solar-reflective building materials, including roofing articles, that include nanoparticle-containing thin films; such articles display high reflectance of near-infrared radiation and high transmission of radiation in the visible light range so as to reduce the heat island effects experienced by the articles while also maintaining an aesthetically pleasing appearance. Also disclosed are related methods of fabricating such articles.
Abstract:
A porous cordierite ceramic honeycomb article with increased mechanical strength and thermal shock resistance. The porous cordierite ceramic honeycomb article has MA 2660 wherein MA=3645(IA)−106(CTE)+19(d90)+17(% porosity), MT=4711(IT)+116(CTE)−26(d90)−28(% porosity), and a CTE≦9×10−7/° C. in at least one direction. A method of manufacturing is also disclosed wherein the inorganic raw material mixture contains talc, an alumina-forming source, a silica-forming source, and 0-18 wt. % of a kaolin or calcined kaolin containing not more than 8 wt. % of a fine kaolin source having a median particle diameter of less than 7 μm, wherein the fired porous ceramic cordierite honeycomb article has a porosity
Abstract:
A composite material with a porous inorganic-nonmetallic matrix and a second material, characterized in that said porous inorganic-nonmetallic matrix has a bending strength of ≧40 MPa as measured according to ISO 6 872; said second material is an organic material which at least partly fills the pores of said porous matrix; and said composite material has a modulus of elasticity, E, of ≧25 GPa as measured according to ISO 10 477.
Abstract:
This invention is directed to a lightweight concrete combination. The combination includes a lightweight concrete product having auxiliary structures, such as at least one fastener, embedded therein. The lightweight concrete product comprises (a) cement and (b) a lightweight additive material. The invention also relates to a method for using the lightweight concrete product, and to a method for producing the lightweight concrete combination.
Abstract:
A concrete structure formed of a mixture of concrete and a plurality of custom manufactured twisted steel micro-reinforcements (TSMRs). Each TSMR has a twist pitch of two or more twists per 25.4 mm applied along its longitudinal axis. The TSMRs are made from a common base stock and have the number of twists predetermined such that a concrete structure formed with at least 10 wt. % per unit volume less TSMRs than fibers in a conventional concrete structure exhibits the same or better performance than the conventional concrete structure in one or more of a stress, deflection, energy, or crack mouth opening (CMOD) properties as determined through defined standard tests. The performance requirement may be based on the actual test result and/or the consistency (coefficient of variation of the result).