Abstract: An oral care composition is provided. The oral care composition is configured by containing a sweet potato-derived potato syrup or a supernatant of a potato syrup.

Abstract: There is disclosed a honeycomb structure 1 which is made of a ceramic material and in which a plurality of honeycomb segments 12 having cell structures 5 and porous outer walls 7 on outer peripheries of the cell structures 5 are integrated by bonding the outer walls 7 to one another with a bonding material, each of the cell structures being provided with a plurality of cells 3 constituting fluid channels divided by porous partition walls 2, wherein the bonding material contains a bio-soluble fiber. The honeycomb structure 1 of the present invention has a performance equivalent to that of a honeycomb structure in which a heretofore used ceramic fiber is contained.

Abstract: A non-settling refractory mortar is provided, which includes 100 mass % of a ceramic powder such as cordierite, mullite, alumina, or silicon carbide, 0.5 to 1.5 mass % of a clay mineral, and a colloidal oxide solution, in which the Ca content in the total solid component is defined at 0.01 to 0.5 mass % as converted to oxide so as to be provided with a thixotropic property. As a result, the coating performance is not lowered if stored for a long period after kneading, the dimension change rate after coating is small, and cracks or gaps are not formed on the coat surface. The median diameter of ceramic powder is preferred to be 10 to 50 ?m, and in order to reduce the dimension change rate after coating, the content of particles of 0.1 to 5 ?m in ceramic powder is desired to be 1 to 20%.

Abstract: A monolithic refractory material is provided by a method including the steps of kneading cordierite powder having a median diameter in a range of 10 to 50 ?m, and having a sharp mountain-like particle size distribution in which the content of particles smaller than 10 ?m is 1% or more to 36% or less, the content of particles ranging from 10 ?m or more to 50 ?m or less is 50% or more to 75% or less, and the content of particles of 51 ?m or more is 1% or more to 14% or less, and a solvent including water and alumina sol or silica sol solution.

Abstract: A refractory mortar cured material is formed in the surface or joint portions of a ceramic refractory material, such as fire bricks used in the lining of melting furnace or firing furnace used at high temperature, and includes ceramic particles with an inorganic binder having silanol group that are kneaded together with water. The kneaded mortar is applied on the surface of a ceramic base material. The average particle size of ceramic particles in the refractory mortar is 10 to 50 ?m, and the difference between the 90% particle size and the 10% particle size is 10 ?m or more to 60 ?m or less. The average pore size of the refractory mortar cured material is 5 to 25 ?m, and the width of pore size distribution is 20 to 80 ?m, so that the cracks are suppressed. In addition, the bulk density is 0.9 to 1.5 g/cm3.

Abstract: A Si—SiC based fired body includes a plurality of silicon carbide (SiC) particles serving as an aggregate, and silicon (Si) which serves as a binder and which is filled into gaps between the above-described silicon carbide particles, wherein the maximum particle diameter of the above-described silicon carbide particles is 0.5 mm or more, the content of silicon is 5 to 40 percent by mass, and the porosity is 0 to 5%. Preferably, the Si—SiC based fired body is in a thick-walled shape having a thickness of 20 to 200 mm.

Abstract: The refractory mortar cured material of the invention formed in the surface or joint portions of a ceramic refractory material such as fire bricks used in the lining of melting furnace or firing furnace used at high temperature is composed by kneading ceramic particles with an inorganic binder having silanol group together with water, and forming the kneaded mortar on the surface of a ceramic base material. The average particle size of ceramic particles in the refractory mortar is 10 to 50 ?m, the difference of 90% particle size and 10% particle size is 10 ?m or more to 60 ?m or less, the average pore size of the refractory mortar cured material is 5 to 25 ?m, and the width of pore size distribution is 20 to 80 ?m, so that the cracks may be suppressed. More preferably, the bulk density is 0.9 to 1.5 g/cm3.

Abstract: The non-settling refractory mortar of the invention contains 100 parts of ceramic powder such as cordierite, mullite, alumina, or silicon carbide, 0.5 to 1.5 parts of clay mineral, and colloidal oxide solution, in which the Ca content in total solid component is defined at 0.01 to 0.5% as converted to oxide so as to be provided with thixotropic property. As a result, the coating performance is not lowered if stored for a long period after kneading, the dimension change rate after coating is small, and cracks or gaps are not formed on the coat surface. The median diameter of ceramic powder is preferred to be 10 to 50 ?m, and in order to reduce the dimension change rate after coating, the content of particles of 0.1 to 5 ?m in ceramic powder is desired to be 1 to 20%.

Abstract: The invention relates to a Monolithic refractory material used in refractories and refractory ceramic products, and more particularly to a Monolithic refractory material having low expansibility, high strength, and crack extension resistance used for the purpose of repairing, protecting, modifying, filling, and forming the surface, adhesive surface, interface, or joint of low-expansion fire bricks and refractory ceramic products. The Monolithic refractory material of the invention is a Monolithic refractory material prepared by kneading cordierite powder, having a median diameter in a range of 10 to 50 ?m, and a sharp mountain-like particle size distribution in which the content of particles smaller than 10 ?m is 1% or more to 36% or less, the content of particles ranging from 10 ?m or more to 50 ?m or less is 50% or more to 75% or less, and the content of particles of 51 ?m or more is 1% or more to 14% or less, and a solvent composed of water and alumina sol or silica sol solution.

Abstract: There is disclosed a honeycomb structure 1 which is made of a ceramic material and in which a plurality of honeycomb segments 12 having cell structures 5 and porous outer walls 7 on outer peripheries of the cell structures 5 are integrated by bonding the outer walls 7 to one another with a bonding material, each of the cell structures being provided with a plurality of cells 3 constituting fluid channels divided by porous partition walls 2, wherein the bonding material contains a bio-soluble fiber. The honeycomb structure 1 of the present invention has a performance equivalent to that of a honeycomb structure in which a heretofore used ceramic fiber is contained.

Abstract: A Si—SiC based fired body includes a plurality of silicon carbide (SiC) particles serving as an aggregate, and silicon (Si) which serves as a binder and which is filled into gaps between the above-described silicon carbide particles, wherein the maximum particle diameter of the above-described silicon carbide particles is 0.5 mm or more, the content of silicon is 5 to 40 percent by mass, and the porosity is 0 to 5%. Preferably, the Si—SiC based fired body is in a thick-walled shape having a thickness of 20 to 200 mm.

Abstract: An antibacterial ceramic contains an antibacterial material produced by loading an antibacterial metal such as silver on a calcium ceramic carrier and an inorganic material such as cordierite, and has a bulk density of 0.6-1.2 g/cm.sup.3. An antibacterial ceramic filter contains an antibacterial material produced by loading an antibacterial metal such as silver on a calcium ceramic carrier, an aggregate such as mullite, and a binder such as frit, and has a porosity of 20% or more. The light-weight antibacterial ceramic is suitably applicable to a roof garden or the like. The antibacterial ceramic filter can remove and extirpate various bacteria and suspensions.

Abstract: A porous filter for metal hot melt comprises ceramic aggregate particles bound by an inorganic binder. The aggregate particles contain not less than 50 wt % of particles with a shape factor in the range of 100 to 130 and the binder has needle-shaped crystals deposited on the surface thereof. By employing this filter, debris catching ability and initial impregnation of metal hot melt are highly improved.

Abstract: A filter for aluminum hot melt comprises alumina aggregate particles and an inorganic binder in an amount of 5 to 20 parts by weight bound to 100 parts by weight of said alumina aggregate particles. The inorganic binder is composed to 15 wt % to 80 wt % of B.sub.2 O.sub.3, 2 wt % to 60 wt % of Al.sub.2 O.sub.3, 0 wt % to 30 wt % of CaO and 5 wt % to 50 wt % of MgO, and the presence of a highly crystalline binder in the filter yields better properties such as an increase in chemical durability and a lower thermal expansion coefficient where the crystallinity is defined by a peak height of 9Al.sub.2 O.sub.3 -2B.sub.2 O.sub.3 at 2.theta.=16.5.degree. being not less than 30% of a peak-height of .alpha.-Al.sub.2 O.sub.3 at 2.theta.=43.4.degree. when measured by powder X-ray diffractometry and is obtained by a cooling rate of less than 70.degree. C./hr.