Silica aerogel fireproof, waterproof, environment-friendly thermal insulation paste and preparation method thereof
A silicon aerogel and aerogel technology are applied in the fields of environmental protection thermal insulation paste and its preparation, waterproofing and fire prevention. The effect of reducing thermal conductivity and improving thermal insulation ability
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Embodiment 1~8
[0078] 1. A formula for a silica airgel fireproof, waterproof, and environmentally friendly thermal insulation paste, comprising 20 to 70 parts by weight of raw material A, 20 to 50 parts by weight of raw material B, and 20 to 50 parts by weight of raw material The water A of C, 1~15 weight parts, the concrete consumption of each component among the embodiment 1~8 is shown in Table 1;
[0079] Raw material A, in terms of parts by weight, includes 1 to 15 parts by weight of hydroxymethyl cellulose, hydroxyethyl cellulose, methanol A, n-hexane A, ethanol, or a mixture of one or more of them, 65 to 115 parts by weight Parts of airgel precursor;
[0080] Raw material B, in parts by weight, includes 25-75 parts by weight of silica sol, 20-70 parts by weight of silicone-modified acrylic emulsion, 10-40 parts by weight of water B, and 0.05-0.5 parts by weight of polyacrylamide , 1-10 parts by weight of coupling agent A, 1-13 parts by weight of film-forming aids;
[0081] Raw materi...
Embodiment 9~16
[0125] The comparative group Examples 9-16 of Examples 1-8 are set respectively, and the formulas of Examples 9-16 also include a foaming agent and foaming treatment after the preparation of the thermal insulation paste is completed; for the rest, Example 9 is the same as that of Example 1, embodiment 10 is the same as embodiment 2, embodiment 11 is the same as embodiment 3, embodiment 12 is the same as embodiment 4, embodiment 13 is the same as embodiment 5, embodiment 14 is the same as embodiment 6, and embodiment 15 is the same as embodiment 7, Embodiment 16 is the same as embodiment 8;
[0126] 1. A formula for a silica airgel fireproof, waterproof, and environmentally friendly thermal insulation paste, comprising 20 to 70 parts by weight of raw material A, 20 to 50 parts by weight of raw material B, and 20 to 50 parts by weight of raw material Water A, blowing agent of C, 1~15 weight parts; The parts by weight of blowing agent are 1 / 10~1 of the parts by weight sum of clos...
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