Inorganic-organic composite fireproof thermal-insulation board and preparation method thereof
A technology of fireproof insulation board and insulation board, which is applied in the field of building materials, can solve the problems of high thermal conductivity, polluted air, poor heat resistance, etc., and achieve the effects of low thermal conductivity, good fireproof performance, and good bonding force
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[0036] Example 1
[0037] 1) Make molds in accordance with conventional processes;
[0038] 2) Modification of diatomaceous earth: Put the original diatomaceous earth in a muffle furnace at 100~500℃ for 5~10h pretreatment, then place it in a 25℃ electric heating blast oven for 5~10h, take out the sample and add it to In the absolute ethanol solution, add dilute acetic acid solution dropwise to adjust the pH to 4~5, pre-stir it in a water bath at 70~80℃ for 30~60min, add dropwise the preset amount of silane coupling agent KH- 570, continue to stir for 2-6h, then filter and clean, put it in an electric heating blast oven at 105℃ for 5-10h, and then take it out to obtain diatomaceous earth with hydrophobic surface modification;
[0039] 3) Reconcile the foaming liquid, mix 200 parts of magnesium chloride solution with a concentration of 10%-20% and 1 part of coagulant in a high-speed disperser, and then add 1 part of foaming agent to mix and stir, the stirring speed is per minute 500 ...
Example Embodiment
[0043] Example 2
[0044] 1) Make molds in accordance with conventional processes;
[0045] 2) Modification of diatomaceous earth: Put the original diatomaceous earth in a muffle furnace at 100~500℃ for 5~10h pretreatment, then place it in a 25℃ electric heating blast oven for 5~10h, take out the sample and add it to In the absolute ethanol solution, add dilute acetic acid solution dropwise to adjust the pH to 4~5, pre-stir it in a water bath at 70~80℃ for 30~60min, add dropwise the preset amount of silane coupling agent KH- 570, continue to stir for 2-6h, then filter and clean, put it in an electric heating blast oven at 105℃ for 5-10h, and then take it out to obtain diatomaceous earth with hydrophobic surface modification;
[0046] 3) Reconcile the foaming liquid, mix 1000 parts of magnesium chloride solution with a concentration of 10% to 20% and 10 parts of coagulant in a high-speed disperser, and then add 10 parts of foaming agent to mix and stir, the stirring speed is per minu...
Example Embodiment
[0050] Example 3
[0051] 1) Make molds in accordance with conventional processes;
[0052] 2) Modification of diatomaceous earth: Put the original diatomaceous earth in a muffle furnace at 100~500℃ for 5~10h pretreatment, then place it in a 25℃ electric heating blast oven for 5~10h, take out the sample and add it to In the absolute ethanol solution, add dilute acetic acid solution dropwise to adjust the pH to 4~5, pre-stir it in a water bath at 70~80℃ for 30~60min, add dropwise the preset amount of silane coupling agent KH- 570, continue to stir for 2-6h, then filter and clean, put it in an electric heating blast oven at 105℃ for 5-10h, and then take it out to obtain diatomaceous earth with hydrophobic surface modification;
[0053] 3) Reconcile the foaming liquid, mix 600 parts of magnesium chloride solution with a concentration of 10%-20% and 5 parts of coagulant in a high-speed disperser, and then add 5 parts of foaming agent to mix and stir. The stirring speed is per minute 50...
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