Clumpy hydrophobic phenolic resin/silicon dioxide compounded aerogel and preparation method thereof
A composite airgel and silica technology, which is applied in the field of bulk hydrophobic phenolic resin/silica composite airgel and its preparation, can solve the problems of difficulty in obtaining bulk materials, increasing costs, and prolonging production cycle. To achieve the effect of convenient industrial production, short production cycle and high safety
Inactive Publication Date: 2016-02-03
李永前
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Abstract
The invention relates to clumpy hydrophobic phenolic resin/silicon dioxide compounded aerogel and a preparation method thereof. The mass percentage content of silicon dioxide in the hydrophobic phenolic resin/silicon dioxide compounded aerogel is 10 to 70 percent; a porous structure performing a hydrophobic function is formed in the surface of the compounded aerogel; the contact angle between the surface of the compounded aerogel and water is 90 to 180 degrees. The clumpy hydrophobic phenolic resin/silicon dioxide compounded aerogel has the advantages that the lumping property and the porosity rate are high; the hydrophobic property is favorable; the mechanical strength reaches a certain extent; the thermal conductivity is low.
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Thermal conductivityChemistry +7
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PUM
Property | Measurement | Unit |
Specific surface area | 200.0 | m²/g |
Elastic modulus | 5.0 | MPa |
Compressive strength | 11.5 | MPa |
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