Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B33/00—Silicon; Compounds thereof
  • C01B33/113—Silicon oxides; Hydrates thereof
  • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
  • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof

Definitions

• the present invention relates to a novel material and a preparation method thereof, and in particular to a novel silica powder material and a preparation method thereof.
• Background technique :
• a new type of silica powder material soft silicon, English name si liesoft, is a silica powder material with a particle size in the range of 0.1 to 30 microns. It can be widely used in machinery, household chemicals, and biology. In the fields of medicine, construction, aerospace, agriculture, etc., it also exhibits singular characteristics in terms of sound, light, electricity, magnetism and thermodynamics. It can also be widely used in microelectronics, information materials, paints, rubber, plastics, crops. Seed treatment agents, polishing agents, LED light diffusers, advanced refractories and papermaking.
• the technical problem to be solved by the present invention is to provide a novel silica powder material having a particle diameter in the range of 0.1 to 30 ⁇ m and a preparation method thereof.
• the concentration of the silica sol is from 1% to 30%, and the particle size of the silica in the silica sol is from 3 to 80 nm.
• the hydrolyzable organic material is a hydrolyzable silicon germanium.
• the new silica powder having a particle size of 0.1 to 30 ⁇ m is prepared by the reaction of the mixture.
• the reaction is carried out at a temperature of 0.1 to 30 ⁇ m. Material.
• the mass ratio of the hydrolyzable organic substance to the silica sol is from 1% to 25%.
• silica powder materials of different particle sizes can be prepared.
• the hydrolyzable organic material is a hydrolyzable silicon germanium.
• the novel silica powder material prepared by the invention has a particle diameter of 0.1 to 30 micrometers and has wide application fields; and the production process is simple, the production equipment used is small, the operation is simple, the preparation cycle end, the manufacturing cost is low, and the production efficiency High; By adjusting the content of hydrolyzable organic matter, it is possible to control the preparation of silica powder materials of different particle sizes.
• FIG. 1 is a SEM photograph of a silica powder material having a particle diameter of 1 ⁇ m prepared according to the present invention
• FIG. 2 is a SEM photograph of a silica powder material having a particle diameter of 3 ⁇ m prepared according to the present invention
• FIG. 4 is a SEM photograph of a silica powder material having a particle diameter of 10 ⁇ m prepared according to the present invention
• Fig. 6 is a schematic view showing the distribution of pore diameter and pore volume of the silica powder material prepared by the present invention.
• a novel method for preparing a silica powder material comprising the following steps:
• the new silica powder material having a particle diameter of 0.1 to 30 ⁇ m is prepared by mixing 10 ml of aminosilicone with 100 ml of silica sol and stirring for 5 hours.
• a novel method for preparing a silica powder material comprising the following steps:
• the new silica powder material having a particle size of 0.1 to 30 ⁇ m is prepared by mixing 10 ml of trimethoxysilane with 120 ml of a silica sol, and stirring for 8 hours.
• a novel method for preparing a silica powder material comprising the following steps:
• the raw material for preparing the novel silica powder material may also be Y-aminopropyltriethoxysilane, Y-aminopropyltrimethoxysilane, Y-(2,3 epoxypropoxy)propyl Trimethoxysilane, Y-methacryloxypropyltrimethoxysilane, Y-mercaptopropyltriethoxysilane, Y-mercaptopropyltrimethoxysilane, ⁇ - ⁇ - (aminoethyl) aminopropylmethyldimethoxysilane, ⁇ -aminopropylmethyldimethoxysilane, ⁇ -aminopropylmethyldiethoxysilane, ⁇ - ⁇ - ( Aminoethyl) aminopropyltriethoxysilane, ⁇ - ⁇ -(aminoethyl)aminopropyltrimethoxysilane, vinyltriethoxysilane, vinyltrimethoxys

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Silicon Compounds (AREA)

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

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Family Applications (1)

Country Status (1)

Citations (4)

• 2012
  • 2012-07-03 WO PCT/CN2012/078079 patent/WO2014005272A1/fr not_active Ceased

Patent Citations (4)

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