A kind of tear-resistant cushioning material and its preparation method and application
A buffer material and tear-resistant technology, which is used in the field of tear-resistant buffer materials and their preparation, can solve the problems of excessive surface area of nano-fillers, easy to aggregate, and difficult to achieve the effect of use, and achieve excellent tear resistance and improved resistance. The effect of tearing properties
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Embodiment 1
[0025] Weigh 15g of commercially available carboxylated carbon nanotubes, add 300ml of SOCl and 5ml of DMF, stir and react at 70°C for 24h; 2 Wash and filter with anhydrous THF under protection until the solution is clear; use N 2 After drying, the product is placed in an oven, dried and ground to obtain a black powdery solid carbon acyl chloride nanotube. Then, take 10 g of carbonyl chloride carbon nanotubes, add 300 ml of oligopolyether polyamine solution (the average molecular weight of oligopolyether polyamine is 2000) with a concentration of 0.2 mol / L, stir and react at 90° C. for 7 h; cool to After room temperature, the reaction product was washed with anhydrous THF and distilled under reduced pressure to obtain a dark brown viscous liquid, which was carbon nanotube-based polyether polyol (viscosity 3000mpas at 25°C).
Embodiment 2
[0027] Weigh 15g of commercially available carboxylated carbon nanotubes, add 300ml of SOCl and 5ml of DMF, stir and react at 70°C for 24h; 2 Wash and filter with anhydrous THF under protection until the solution is clear; use N 2 After drying, the product is placed in an oven, dried and ground to obtain black powdery solid carbonyl chloride nanotubes; then, take 10g of carbonyl chloride nanotubes and add 300ml of oligopolyether polyamine with a concentration of 0.2mol / L solution (the average molecular weight of oligopolyether polyamine is 3000), stirred and reacted at 100°C for 8h; after cooling to room temperature, the reaction product was washed with anhydrous THF and then distilled under reduced pressure to obtain a dark brown viscous liquid, namely Carbon nanotube based polyether polyol (viscosity 4000mpas at 25°C).
Embodiment 3
[0029] Weigh 15g of commercially available carboxylated carbon nanotubes, add 300ml of SOCl and 5ml of DMF, stir and react at 70°C for 24h; 2 Wash and filter with anhydrous THF under protection until the solution is clear; use N 2 After drying, the product is placed in an oven, dried and ground to obtain black powdery solid carbonyl chloride nanotubes; then, take 10g of carbonyl chloride nanotubes and add 300ml of oligopolyether polyamine with a concentration of 0.2mol / L solution (the average molecular weight of oligopolyether polyamine is 4000), stirred and reacted at 100°C for 9h; after cooling to room temperature, the reaction product was washed with anhydrous THF and then distilled under reduced pressure to obtain a dark brown viscous liquid, namely Carbon nanotube based polyether polyol (viscosity 5000mpas at 25°C).
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