Preparation method of high-compatibility fiber aerogel material
An airgel and compatibility technology, applied in the field of airgel, can solve the problems of incompatibilities and compatibility of gel materials, poor material compatibility, etc., to improve bonding strength and interface properties, and improve hardness and mechanical properties , the effect of high hardness
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example 1
[0019] In terms of parts by weight, weigh 45 parts of zinc powder, 6 parts of yttrium powder and 55 parts of magnesium powder, stir and mix them and place them in a ball mill at 350r / min for 2 hours, pass through a 200-mesh sieve to obtain ball mill powder, and place the ball mill powder in a tube In an atmosphere furnace, pass nitrogen to remove the air, heat and melt at 1550°C for 2 hours in a nitrogen atmosphere, let it stand to cool to room temperature, and ball mill it through a 500-mesh sieve to obtain a ball-milled quasi-crystalline powder; weigh 45 parts by weight. Chloromethane, 1 part of absolute ethanol, 13 parts of magnesium chloride and 10 parts of aluminum chloride were placed in an Erlenmeyer flask, stirred and mixed and heated in an oil bath at 100°C for 3 hours, and the gel liquid was collected and weighed in parts by weight. Measure 45 parts of absolute ethanol, 3 parts of N,N-dimethylformamide, 1 part of polyvinyl alcohol, 10 parts of gel solution and 3 parts...
example 2
[0021]In terms of parts by weight, weigh 47 parts of zinc powder, 7 parts of yttrium powder and 57 parts of magnesium powder, stir and mix them and place them in a ball mill at 375r / min for 3 hours, pass through a 200-mesh sieve to obtain ball mill powder, and place the ball mill powder in a tube In the atmosphere furnace, pass nitrogen to remove the air, heat and melt at 1575°C for 3 hours in a nitrogen atmosphere, let it stand to cool to room temperature, and ball mill it through a 500-mesh sieve to obtain a ball-milled quasi-crystalline powder; weigh 47 parts of two Chloromethane, 2 parts of absolute ethanol, 14 parts of magnesium chloride and 12 parts of aluminum chloride were placed in an Erlenmeyer flask, stirred and mixed and heated in an oil bath at 105°C for 4 hours, and the gel liquid was collected and weighed in parts by weight. Measure 47 parts of absolute ethanol, 4 parts of N,N-dimethylformamide, 2 parts of polyvinyl alcohol, 12 parts of gel solution and 4 parts o...
example 3
[0023] In terms of parts by weight, weigh 50 parts of zinc powder, 8 parts of yttrium powder and 60 parts of magnesium powder, stir and mix them and place them in a ball mill for 3 hours at 400 r / min, pass through a 200-mesh sieve to obtain ball mill powder, and place the ball mill powder in a tube In the atmosphere furnace, pass nitrogen to remove the air, heat and melt at 1600°C for 3 hours in a nitrogen atmosphere, let it stand to cool to room temperature, and ball mill it through a 500-mesh sieve to obtain a ball-milled quasi-crystalline powder; weigh 50 parts of two Chloromethane, 2 parts of absolute ethanol, 15 parts of magnesium chloride and 15 parts of aluminum chloride were placed in an Erlenmeyer flask, stirred and mixed and heated in an oil bath at 110°C for 5 hours, and the gel was collected and weighed in parts by weight. Measure 50 parts of absolute ethanol, 5 parts of N, N-dimethylformamide, 2 parts of polyvinyl alcohol, 15 parts of gel solution and 5 parts of ba...
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