Method for reducing use amount of plasticizer in artificial leather
A technology of artificial leather and plasticizer, which is applied in the direction of textiles and papermaking, etc., can solve the problems of easy migration and leakage of plasticizer, shortened service life, and reduced leather performance, so as to improve market competitiveness, reduce usage, and disperse Improved effect
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Embodiment 1
[0019] A method for reducing the amount of plasticizer used in artificial leather. The inorganic non-metallic nanopowder is compounded with a polymer compound to prepare a polymer-based nanocomposite material, which is added to a synthetic resin as an additive and further plasticized to prepare artificial leather. The preparation method of the polymer-based nanocomposite comprises the following steps:
[0020] (1) Weigh 3.2 grams of nano-silica, dry it in an oven at 80°C for 4 hours, place it in a beaker, add 50 ml of ethanol-isopropanol mixed solvent into the beaker, and place the beaker on a magnetic stirrer to stir Disperse for 40 minutes, heat the water bath to 55°C, add the preheated triethylamine into the beaker, keep stirring for 15 minutes, continue to add 3 ml of hexamethyldisilazane to the beaker under stirring, stir well Transfer to the four-neck flask equipped with thermometer, reflux condenser, stirrer and constant pressure funnel;
[0021] (2) Add 8.5 grams of t...
Embodiment 2
[0030] A method for reducing the amount of plasticizer used in artificial leather. The inorganic non-metallic nanopowder is compounded with a polymer compound to prepare a polymer-based nanocomposite material, which is added to a synthetic resin as an additive and further plasticized to prepare artificial leather. The preparation method of the polymer-based nanocomposite comprises the following steps:
[0031] (1) Weigh 3.3 grams of nano-silicon dioxide, place it in an oven at 85 ° C for 4.5 hours, place it in a beaker, add 55 ml of ethanol-isopropanol mixed solvent into the beaker, and place the beaker on a magnetic stirrer to stir Disperse for 45 minutes, heat the water bath to 58°C, add the preheated triethylamine into the beaker, continue stirring for 18 minutes, continue to add 3.5 ml of hexamethyldisilazane to the beaker under stirring, and stir evenly Transfer to the four-neck flask equipped with thermometer, reflux condenser, stirrer and constant pressure funnel;
[0...
Embodiment 3
[0041] A method for reducing the amount of plasticizer used in artificial leather. The inorganic non-metallic nanopowder is compounded with a polymer compound to prepare a polymer-based nanocomposite material, which is added to a synthetic resin as an additive and further plasticized to prepare artificial leather. The preparation method of the polymer-based nanocomposite comprises the following steps:
[0042] (1) Weigh 3.4 grams of nano-silica, dry in an oven at 90°C for 5 hours, place it in a beaker, add 60 ml of ethanol-isopropanol mixed solvent into the beaker, and place the beaker on a magnetic stirrer to stir Disperse for 50 minutes, heat the water bath to 60°C, add the preheated triethylamine into the beaker, keep stirring for 20 minutes, continue to add 4 ml of hexamethyldisilazane to the beaker under stirring, and stir well Transfer to the four-neck flask equipped with thermometer, reflux condenser, stirrer and constant pressure funnel;
[0043] (2) Add 8.8 grams of ...
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