High-toughness blend, preparation method thereof and plate
A blend and high-toughness technology, which is applied in the chemical industry, can solve the problems of toughness and strength decline, failure to meet the requirements of strong and tough materials, easy aging and fracture, etc., and achieve the effect of improving toughness
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[0055] The embodiment of the present invention also provides a preparation method of the high-toughness blend described in the foregoing technical solution, comprising the following steps:
[0056] a) blending the dispersant and the filler according to the weight ratio of (1.0-10.0): 1 to obtain an initial blend;
[0057] b) Add the initial blend and matrix polymer material to a grinding device, grind at a grinding rate of 1000-1500rpm / min for 15-25 minutes, put the dispersed product in an oven at 140-170°C for 1 - 4 hours to obtain an intermediate blend;
[0058] c) Put the intermediate blend and the thermoplastic polymer material into a high-speed mixer, and stir at a stirring rate of 1000-1500 rpm / min for 20-30 minutes to obtain a high-toughness blend.
[0059] In the embodiment of the present invention, the amount of dispersant can be determined according to the amount of filler and\or matrix polymer material, specifically, make the weight ratio of dispersant to filler be...
example 1
[0072] 500g diphenyl sulfone is packed in the three-necked reaction flask, this three-necked reaction flask is equipped with mechanical stirrer, thermometer and nitrogen inlet and outlet, starts stirring device, and stirring rate is 70 revolutions per minute and feeds flow rate at room temperature and is per minute 70ml of high-purity nitrogen. Then the reactant was heated to 130°C at a heating rate of 2°C / min to dissolve it, and then 69.82g of 4,4'-difluorobenzophenone was added, and 35.23g of chicken sodium phenol was dissolved. Add 33.92 g of sodium carbonate immediately after heating at a heating rate of 170°C. The reaction temperature was still raised to 200°C at a heating rate of 2°C / min. Hold this temperature for 20 minutes, continue to ramp up to 280°C at a ramp rate of 2°C / min, and maintain the temperature at 280°C until the desired torque rise is achieved. The molten material was poured into cold distilled water to give a lumpy solid. Grind the block into powder w...
example 2
[0074] 550g diphenyl sulfone is packed in the three-necked reaction flask, and this three-necked reaction flask is provided with mechanical stirrer, thermometer and nitrogen gas inlet and outlet, starts stirring device, and stirring rate is 70 revolutions per minute and feeds flow at room temperature and is per minute 70ml of high-purity nitrogen. Then the reactant was heated to 130°C at a heating rate of 2°C / min to dissolve it, and then 76.37g of 4,4'-difluorobenzophenone was added, and 38.53g of chicken sodium phenol was dissolved. Add 37.10 g of sodium carbonate immediately after heating up to 170°C at the heating rate. The reaction temperature was still raised to 200°C at a heating rate of 2°C / min. Hold this temperature for 20 minutes, continue to ramp up to 280°C at a ramp rate of 2°C / min, and maintain the temperature at 280°C until the desired torque rise is achieved. The molten material was poured into cold distilled water to give a lumpy solid. Grind the block into ...
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