Multi-layer high-strength thermal-insulation material and preparation method thereof
A heat insulation and high-strength technology, applied in ceramic products, other household appliances, applications, etc., can solve problems that affect the use effect and life, performance degradation, hazards, etc., to achieve suitable for large-scale industrial production, stable product quality, The effect of strong market competitiveness
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[0021] Examples 1 to 4:
[0022] A preparation method of multi-layer high-strength thermal insulation material includes the following steps:
[0023] 1). Preferably, the preparation method of the aerogel core material is as follows: chopped glass fiber filaments to a length of 5-10mm, then perform a fluffing treatment, combing together with a leavening agent into monofilaments, and knotting in a mold After forming a felt mesh, laminate the felt mesh to a thickness of less than 1mm, insert the air tube into the gap between the felt mesh, and then seal the mold in a vacuum bag, and then start to inject silica aerogel along the air tube after vacuuming for about 15 seconds , Then put the connecting mold into the oven, bake at 135~165℃ for 10~12min, and get the aerogel core material after cooling;
[0024] 2) Put the aerogel core material into the mold and pull it by the wire to keep the same distance from the two side walls of the mold;
[0025] 3). The structural support layer material...
Example
[0027] Examples 5-6:
[0028] A preparation method of multi-layer high-strength thermal insulation material includes the following steps:
[0029] 1). Preferably, the preparation method of the aerogel core material is as follows: chopped glass fiber filaments to a length of 5-10mm, then perform a fluffing treatment, comb into monofilaments together with a leavening agent, and bind them in a mold After forming a felt mesh, laminate the felt mesh to a thickness of less than 1mm, insert the air tube into the gap between the felt mesh, and then seal the mold in a vacuum bag, and then start to inject silica aerogel along the air tube after vacuuming for about 15 seconds , And then put the connecting mold into the oven, bake at 135~165℃ for 10~12min, and get the aerogel core material after cooling;
[0030] 2) Put the aerogel core material into the mold and pull it by the wire to keep the same distance from the two side walls of the mold;
[0031] 3). The structural support layer material ...
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