JP2003073964A5 - - Google Patents

Claims (9)

(1) a step of forming a sol solution mainly composed of an inorganic component;
(2) The sol solution is extruded from a nozzle, and is thinned by applying an electric field to the extruded sol solution to form inorganic gel-like fine fibers, and the inorganic gel-like fine fibers are accumulated on the support. And (3) drying the accumulated inorganic gel-like fine fibers to form an inorganic structure containing the inorganic dry gel-like fine fibers. Manufacturing method. (1) a step of forming a sol solution mainly composed of an inorganic component;
(2) The sol solution is extruded from a nozzle, and is thinned by applying an electric field to the extruded sol solution to form inorganic gel-like fine fibers, and the inorganic gel-like fine fibers are accumulated on the support. And (3) sintering the accumulated inorganic gel-like fine fibers to form an inorganic structure containing the inorganic sintered fine fibers. Manufacturing method. (1) a step of forming a sol solution mainly composed of an inorganic component;
(2) The sol solution is extruded from a nozzle, and is thinned by applying an electric field to the extruded sol solution to form inorganic gel-like fine fibers, and the inorganic gel-like fine fibers are accumulated on the support. Process,
(3) drying the accumulated inorganic gel-like fine fibers to form an inorganic structure including inorganic dry gel-like fine fibers; and (4) including the inorganic dry gel-like fine fibers. A method for producing an inorganic structure, comprising a step of sintering an inorganic structure to form an inorganic structure including inorganic sintered fine fibers. Before the inorganic gel-like fine fibers reduced in diameter by applying an electric field are accumulated on the support, the organic gel-like fine fibers are organic fibers, inorganic fibers, organic fibers and / or Or the manufacturing method of the inorganic structure as described in any one of Claims 1-3 which sprays the thread | yarn consisting of inorganic fiber, or powder. The method for producing an inorganic structure according to any one of claims 1 to 4 , wherein the support has a three-dimensional solid shape.   An inorganic structure having an average fiber diameter of 2 μm or less and containing inorganic extra long fibers mainly composed of an inorganic component. 7. The inorganic structure according to claim 6 , wherein the inorganic extra-fine long fibers are bonded at a contact point without using an adhesive. The inorganic structure according to claim 6 or 7 , wherein a CV value of a fiber diameter of the inorganic extra-fine long fiber is 0.8 or less. The inorganic ultrafine fibers include organic fibers, thick inorganic fibers having a fiber diameter of more than 2 μm, inorganic short fibers, organic fibers and inorganic fibers having a fiber diameter of more than 2 μm and inorganic fibers and inorganic. Any one of the fiber selected from the group which consists of a system short fiber, the thread | yarn which consists of 1 type or more, a woven fabric, a knitted fabric, a nonwoven fabric, a net | network, or powder is contained in the mixed or compounded state An inorganic structure according to claim 1.