A kind of white carbon black/rubber composite material preparation method
A technology of composite materials and silica, which is applied in the field of preparation of silica/rubber composite materials, can solve the problems of poor rubber properties, easy agglomeration, and difficult dispersion of silica, achieving high preparation efficiency and broad application prospects , Improve the effect of micro-dispersion level
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[0020] The preparation method of the silica / rubber composite material involved in this embodiment is also called the atomization drying method, and its process includes three steps of preparing the masterbatch mixture, preparing the masterbatch and preparing the composite material:
[0021](1) prepare masterbatch mixed solution: at first the water and white carbon black of setting mass fraction are mixed and stirred, and the mass percent concentration that obtains 800g is dispersed with high-speed disperser is 25% white carbon black aqueous dispersion, then Use an all-round planetary ball mill to process the silica water dispersion for 4 hours to obtain a silica slurry, then add 166.6g of natural latex to the silica slurry for stirring treatment, and finally 30g of it is subjected to ultrasonic treatment with a power of 750W for 5min The Si69 aqueous solution with a mass percentage concentration of 20% is added to the white carbon black slurry to be configured as a masterbatch ...
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