Preparation method of damping material
A technology for damping materials and preparation steps, which is applied in the field of preparation of damping materials, can solve problems such as high loss factor, poor damping and vibration reduction performance, and low vibration reduction factor, and achieve simple preparation steps, good damping and vibration reduction performance, and vibration reduction The effect of high factor
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example 1
[0017] First collect maple pulp and spider webs respectively, and stir the collected maple pulp and spider webs for 30 minutes in a mass ratio of 2:5 to make them fully mixed to obtain a mixture, and then add a mass fraction of 72% to the resulting mixture Concentrated sulfuric acid, the addition amount is 10% of the mass of the mixture, stir and mix and then carbonize for 1 hour to obtain carbonized products; then put the above-mentioned carbonized products into a round-bottomed pot, add water to it, and make it cover 3cm of the carbonized products. ℃ / min rate program to heat up to 95°C, carry out stirring and cooking, while cooking, add 1% lactose and 1% guar gum to the cooked product respectively, after adding, heat-preserve and cook for 30 minutes to obtain jelly , take out the jelly and spin it while it is hot to get a filament; then put the above-mentioned obtained filament into a 10% potassium permanganate solution for rinsing for 10 minutes, after rinsing, put the mass ...
example 2
[0020] First collect maple pulp and spider webs respectively, and stir the collected maple pulp and spider webs for 35 minutes according to the mass ratio of 2:5 to make them fully mixed to obtain a mixture, and then add a mass fraction of 74% to the resulting mixture Concentrated sulfuric acid, the addition amount is 13% of the mass of the mixture, stir and mix and then carbonize for 2 hours to obtain carbonized products; then put the above-mentioned carbonized products into a round bottom pot, add water to it, and make it cover 4cm of carbonized products. ℃ / min rate program to heat up to 98°C, carry out stirring and cooking, while cooking, add 3% lactose and 3% guar gum to the cooked product respectively, after the addition is completed, heat-preserve and cook for 35 minutes to obtain a jelly , take out the jelly and spin it while it is hot to get a filament; then put the above obtained filament into a 13% potassium permanganate solution for rinsing for 13 minutes, after rins...
example 3
[0023]First collect maple pulp and spider webs respectively, and stir the collected maple pulp and spider webs for 40 minutes at a mass ratio of 2:5 to make them fully mixed to obtain a mixture, and then add 75% of the mass fraction to the resulting mixture Concentrated sulfuric acid, the addition amount is 15% of the mass of the mixture, stir and mix and then carbonize for 2 hours to obtain carbonized products; then put the above-mentioned carbonized products into a round bottom pot, add water to it, and make it cover 5cm of the carbonized products. ℃ / min rate program temperature rise to 100 ℃, carry out stirring and cooking, while cooking, add 5% lactose and 5% guar gum to the cooked product respectively, after adding, keep warm and cook for 40min to get jelly , take out the jelly and spin it while it is hot to get a filament; then put the above obtained filament into a 15% potassium permanganate solution for rinsing for 15 minutes, after rinsing, put the mass fraction Rinse...
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