Abstract:
An expanded lightweight aggregate has compositional ranges (Wt. % Range) of about: (a) 40 to 60% ground glass or pumice, 40 to 60% water, 3 to 15% sodium silicate, and 0.1 to 5% NaNO3 for the slurry; and (b) 50 to 85% ground glass or pumice, and 15 to 50% slurry for the granulator.
Abstract:
There is disclosed a plugged honeycomb structure. A plugged honeycomb structure includes a tubular honeycomb structure body having partition walls including a porous partition wall base material defining a plurality of cells which become through channels for a fluid and extend from a first end face to a second end face, and a porous trapping layer disposed on the surface of the partition wall base material; and plugging portions disposed in open ends of predetermined cells in the first end face and open ends of residual cells in the second end face, and the partition wall base material is constituted of a porous body including α-Al2O3 as a main phase and further including aluminum titanate and glass.
Abstract translation:公开了一种堵塞的蜂窝结构。 堵塞蜂窝结构体包括具有分隔壁的管状蜂窝结构体,所述隔壁包括多孔分隔壁基材,所述多孔分隔壁基材限定成通过流体通道并从第一端面延伸到第二端面的多个单元,以及多孔捕获层 设置在分隔壁基材的表面上; 以及设置在所述第一端面中的预定电池单元的开口端的插塞部分和所述第二端面中的残余电池的开口端,并且所述隔壁基材由包括α-Al 2 O 3作为主相的多孔体构成,并且还包括 钛酸铝和玻璃。
Abstract:
A reduced weight, reduced density gypsum panel that includes high expansion vermiculite with fire resistance capabilities that are at least comparable to (if not better than) commercial fire rated gypsum panels with a much greater gypsum content, weight and density.
Abstract:
A method of preparing a reduced weight, reduced density gypsum panel that includes high expansion vermiculite with fire resistance that meet or exceed one or more industry standard fire tests.
Abstract:
A porous carbon sheet obtained by binding separate carbon short fibers with a carbonization product of a resin, wherein the pore mode diameter of the sheet is 45 to 90 μm and the mean fiber diameter of the carbon short fibers is 5 to 20 μm. The sheet can be produced by thermoforming a precursor fiber sheet comprising carbon short fibers of 15 to 30 g/m2 in basis weight and a thermosetting resin of 30 to 80 g/m2 in basis weight by hot plates having a certain clearance and carbonizing the thermosetting resin contained in thermoformed precursor fiber sheet.
Abstract translation:通过将单独的碳短纤维与树脂的碳化产物结合而得到的多孔碳片,其中片材的孔模直径为45〜90μm,碳短纤维的平均纤维直径为5〜20μm。 该片材可以通过热固形成含有基重为15〜30g / m 2的碳短纤维和30〜80g / m 2的热固性树脂的前体纤维片,通过具有一定间隙的热板,并将热固性碳化 包含在热成型前体纤维片中的树脂。
Abstract:
A method for making large-size hollow ceramic plate (1, 2, 4) adopts raw materials of ordinary ceramics, mixing with industrial wastes or crude minerals abundant in period IV transition metal elements, squeezing a molded body by vacuum squeezing machine then producing at low cost a large-size hollow ceramic plate (1, 2, 4) with black or fuscous surface or whole body, with an area more than 0.5m2 of a single plate. A large-size hollow ceramic plate array (23) is composed of porous ceramic plates (1), through-hole ceramic plates (2) and accessories by gluing or thread-connecting or is composed of seal ceramic plates (4) by series connecting, which can be used in a solar water heater, a solar roof and wall, a generator with large-scale solar wind duct, a large-area solar collector, a far infrared radiation plate and a radiator for construction.
Abstract:
It is a principal object of the present invention to provide a dielectric having a high relative dielectric constant and dielectric loss minimized in high frequency bands. That is, the present invention relates to a composite dielectric comprising conductive particles dispersed in a porous body of inorganic oxide, wherein 1) the relative dielectric constant ¥r of the dielectric in high frequency bands of 1 GHz or more is 4 or more, and 2) the dielectric loss tanδ of the dielectric in high frequency bands of 1 GHz or more is 2×10−4 or less, and to a manufacturing method therefor.
Abstract:
The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures. The ultra-high temperature resistant cement slurry system for cementing provided by the present disclosure has a strong temperature resistance, a wide applicable range, and an excellent settlement stability. It can prevent the decline of strength of cement stone at high temperature, ensure the cementing and sealing effect and improve the cementing quality.
Abstract:
It is provided a backing layer material resistant to temperature of up to about 600° C. comprising stainless steel powder, cement, water, and optionally at least one adjuvant, a ultrasonic transducer comprising said backing layer material conferring stability to the a ultrasonic transducer to temperature of up to about 600° C.
Abstract:
A mineral wool insulating product which comprises a layer, notably a continuous layer, of mixed mineral wool fibres, the mixed mineral wool fibres comprising a binder, first mineral wool fibres and second mineral wool fibres, the first mineral wool fibres and the second mineral wool fibres have a difference of softening point.