Patent classifications
C04B38/0615
Ceramic foam filter and manufacturing method thereof
A ceramic foam filter and a manufacturing method thereof. The ceramic foam filter comprises the following materials provided in respective weight percentages: 20-50% of a silicon carbide, 20-55% of a zirconium oxide, and 10-36% of a silicon oxide, wherein all figures are based on the total weight of the ceramic foam filter. The method for manufacturing the ceramic foam filter comprises the following steps: (a) providing a slurry comprising a silicon carbide, a zirconium oxide or zirconium oxide precursor, a silicon oxide or silicon oxide precursor, a binder, an optional additive, and a fluid carrier medium; (b) applying the slurry to perform surface ornamentation of a perforated organic foam; (c) drying the perforated organic foam surface ornamented with the slurry to obtain a green body; and (d) sintering the green body in oxygen-containing air to obtain the ceramic foam filter.
Ceramic foam filter and manufacturing method thereof
A ceramic foam filter and a manufacturing method thereof. The ceramic foam filter comprises the following materials provided in respective weight percentages: 20-50% of a silicon carbide, 20-55% of a zirconium oxide, and 10-36% of a silicon oxide, wherein all figures are based on the total weight of the ceramic foam filter. The method for manufacturing the ceramic foam filter comprises the following steps: (a) providing a slurry comprising a silicon carbide, a zirconium oxide or zirconium oxide precursor, a silicon oxide or silicon oxide precursor, a binder, an optional additive, and a fluid carrier medium; (b) applying the slurry to perform surface ornamentation of a perforated organic foam; (c) drying the perforated organic foam surface ornamented with the slurry to obtain a green body; and (d) sintering the green body in oxygen-containing air to obtain the ceramic foam filter.
Sound absorption material preparation method, sound absorption material and filling method thereof
A sound absorption material preparation method, a sound absorption material and a filling method thereof. The preparation method comprises: S1, preparing a non-foaming material slurry; S2, producing a combustible material framework and a cover-shape container, and placing the combustible material framework into the cover-shape container; S3, forming the non-foamed material slurry in the cover-shape container to form a wet formed body; S4, drying the wet formed body to form a dry formed body; and S5, calcining the dry formed body, wherein the combustible material framework is burned off during the calcining step to form connected channels with a three-dimensional structure in the sound absorption material. The preparation method is simple in operation. Connected channels with a three-dimensional structure are formed in the sound absorption material so that the sound absorption effect is improved. The sound absorption material is prepared by the preparation method, has connected channels with a three-dimensional structure therein, and has a good sound absorption effect. The filling method comprises first pre-forming the sound absorption material and then filling same into a space to be filled, so that the sound absorption material fully fills the space to be filled.
Sound absorption material preparation method, sound absorption material and filling method thereof
A sound absorption material preparation method, a sound absorption material and a filling method thereof. The preparation method comprises: S1, preparing a non-foaming material slurry; S2, producing a combustible material framework and a cover-shape container, and placing the combustible material framework into the cover-shape container; S3, forming the non-foamed material slurry in the cover-shape container to form a wet formed body; S4, drying the wet formed body to form a dry formed body; and S5, calcining the dry formed body, wherein the combustible material framework is burned off during the calcining step to form connected channels with a three-dimensional structure in the sound absorption material. The preparation method is simple in operation. Connected channels with a three-dimensional structure are formed in the sound absorption material so that the sound absorption effect is improved. The sound absorption material is prepared by the preparation method, has connected channels with a three-dimensional structure therein, and has a good sound absorption effect. The filling method comprises first pre-forming the sound absorption material and then filling same into a space to be filled, so that the sound absorption material fully fills the space to be filled.
Barium titanate foam ceramics loaded with micro/nano silver and preparation method thereof
Disclosed are a micrometer/nanometer silver-loaded barium titanate foam ceramic and a preparation method therefor. An organic additive is used as an auxiliary; deionized water is used as a solvent; nanometer barium titanate is used as a ceramic raw material; and same are mixed and ground so as to form a slurry. A pre-treated polymer sponge is impregnated in the slurry for slurry coating treatment and a barium titanate foam ceramic blank is obtained after drying; and then a barium titanate foam ceramic is obtained through sintering. Through dopamine modification, micrometer/nanometer silver is in-situ deposited on a skeleton surface so as to obtain a modified micrometer/nanometer silver-loaded barium titanate foam ceramic. The modified micrometer/nanometer silver-loaded barium titanate foam ceramic is then put into a newly prepared Tollens' reagent for further reduction so as to obtain a micrometer/nanometer silver-loaded barium titanate foam ceramic with a three-dimensional network skeleton structure.
Barium titanate foam ceramics loaded with micro/nano silver and preparation method thereof
Disclosed are a micrometer/nanometer silver-loaded barium titanate foam ceramic and a preparation method therefor. An organic additive is used as an auxiliary; deionized water is used as a solvent; nanometer barium titanate is used as a ceramic raw material; and same are mixed and ground so as to form a slurry. A pre-treated polymer sponge is impregnated in the slurry for slurry coating treatment and a barium titanate foam ceramic blank is obtained after drying; and then a barium titanate foam ceramic is obtained through sintering. Through dopamine modification, micrometer/nanometer silver is in-situ deposited on a skeleton surface so as to obtain a modified micrometer/nanometer silver-loaded barium titanate foam ceramic. The modified micrometer/nanometer silver-loaded barium titanate foam ceramic is then put into a newly prepared Tollens' reagent for further reduction so as to obtain a micrometer/nanometer silver-loaded barium titanate foam ceramic with a three-dimensional network skeleton structure.
SHAPED POROUS CARBON PRODUCTS
Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.
HOLLOW PARTICLES AND PRODUCTION METHOD THEREFOR, AND WHITE INK
Hollow particles containing monocrystalline titanium oxide and silica, and having a titanium oxide content of 86.0-99.5 mol % and a silica content of 0.5-14.0 mol %; and a method of producing the particles. A white ink containing the hollow particles as a coloring agent; the use of the white ink in inkjet recording; and a method for inkjet recording using the white ink.
HOLLOW PARTICLES AND PRODUCTION METHOD THEREFOR, AND WHITE INK
Hollow particles containing monocrystalline titanium oxide and silica, and having a titanium oxide content of 86.0-99.5 mol % and a silica content of 0.5-14.0 mol %; and a method of producing the particles. A white ink containing the hollow particles as a coloring agent; the use of the white ink in inkjet recording; and a method for inkjet recording using the white ink.
Modified barium titanate foam ceramic/thermosetting resin composites and preparation method thereof
In a method of preparing a modified barium titanate foam ceramic/thermosetting resin composite material, an organic additive is used as an auxiliary; deionized water is used as a solvent; nanometer barium titanate is used as a ceramic raw material; and these components are mixed and grounded to form a slurry. A pre-treated polymer sponge is impregnated in the slurry for slurry coating treatment and a barium titanate foam ceramic is obtained after drying and sintering. Then, through dopamine modification, micrometer/nanometer silver is deposited in situ on a skeleton surface. A resin, which is in the molten state and is thermosettable, is immersed into pores of the modified barium titanate foam ceramic, and the modified barium titanate foam ceramic/thermosetting resin composite material is obtained after a thermosetting treatment.