Preparation method of abalone shell-imitating montmorillonite-polydimethylsiloxane nanocomposite material
A technology of polydimethylsiloxane and nanocomposite materials, which is applied in the field of preparation of imitation abalone shell montmorillonite-polydimethylsiloxane nanocomposite materials, can solve the problem of unproposed, characterization interference, difficult to reveal growth Toughness mechanism and other issues
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Embodiment 1
[0033] Take 3g of natural sodium ion-type montmorillonite and disperse it in 500mL of deionized water. Stir for 7 days. Centrifuge at 2800rpm for 20min, and take the supernatant. Repeat the above operation 3 times. Take the last supernatant and dry it at 55°C to obtain a yellow solid for future use. 1g polyvinyl alcohol (molecular weight M w 13000~23000, 98% degree of alcoholysis) powder was dissolved in 10mL dimethyl sulfoxide, heated at 90°C for 20min, until the polyvinyl alcohol was completely dissolved. After cooling, add 10 mg of 4-(1,2,2-triphenylvinyl)benzaldehyde powder, stir to dissolve, and then add 130 mg of p-toluenesulfonic acid monohydrate. The mixed solution was heated and stirred in a water bath at 80° C. for 8 hours. The pale yellow mixed solution gradually faded to almost colorless. The mixed solution was dropped into 500mL of acetone to produce white flocculent precipitate. The precipitate was isolated by filtration and washed three times with acetone...
Embodiment 2
[0035] Take 3g of natural sodium ion-type montmorillonite and disperse it in 500mL of deionized water. Stir for 7 days. Centrifuge at 2800rpm for 20min, and take the supernatant. Repeat the above operation 3 times. Take the last supernatant and dry it at 55°C to obtain a yellow solid for future use. 1g polyvinyl alcohol (molecular weight M w 13000~23000, 98% degree of alcoholysis) powder was dissolved in 10mL dimethyl sulfoxide, heated at 90°C for 20min, until the polyvinyl alcohol was completely dissolved. After cooling, add 10 mg of 4-(1,2,2-triphenylvinyl)benzaldehyde powder, stir to dissolve, and then add 130 mg of p-toluenesulfonic acid monohydrate. The mixed solution was heated and stirred in a water bath at 80° C. for 8 hours. The pale yellow mixed solution gradually faded to almost colorless. The mixed solution was dropped into 500mL of acetone to produce white flocculent precipitate. The precipitate was isolated by filtration and washed three times with acetone...
Embodiment 3
[0037] Take 3g of natural sodium ion-type montmorillonite and disperse it in 500mL of deionized water. Stir for 7 days. Centrifuge at 2800rpm for 20min, and take the supernatant. Repeat the above operation 3 times. Take the last supernatant and dry it at 55°C to obtain a yellow solid for future use. 1g polyvinyl alcohol (molecular weight M w13000~23000, 98% degree of alcoholysis) powder was dissolved in 10mL dimethyl sulfoxide, heated at 90°C for 20min, until the polyvinyl alcohol was completely dissolved. After cooling, add 10 mg of 4-(1,2,2-triphenylvinyl)benzaldehyde powder, stir to dissolve, and then add 130 mg of p-toluenesulfonic acid monohydrate. The mixed solution was heated and stirred in a water bath at 80° C. for 8 hours. The pale yellow mixed solution gradually faded to almost colorless. The mixed solution was dropped into 500mL of acetone to produce white flocculent precipitate. The precipitate was isolated by filtration and washed three times with acetone....
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