Method for preparing blend composite material by virtue of performing blending modification on kaolin/white carbon black
A composite material and silica technology, which is used in the deep processing, application and composite material fields of non-metallic minerals, can solve the problems of high processing cost and insufficient comprehensive performance of silica filling alone, and is beneficial to industrial application and solves comprehensive problems. The effect of insufficient performance and low energy consumption
Inactive Publication Date: 2013-03-20
WUHAN UNIV OF TECH +1
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The invention relates to a method for preparing blend composite material by virtue of performing blending modification on kaolin/white carbon black. The method provided by the invention comprises the following steps of: placing kaolin and white carbon black into a high speed mixer, heating and stirring until temperature is 90 DEG C, sequentially adding two silane coupling agents, adding an auxiliary modifier at the temperature of 100 DEG C, stirring for 20 minutes to prepare a modified filler, filling the modified filler into blend of natural rubber, butadiene styrene rubber and butadiene rubber, wherein the mechanical properties of the prepared composite material meet requirements in the national standard for tread rubber of an off-the-road tyre or other tyres. According to the method provided by the invention, two fillers are filled in a blending modification manner, and the problems that comprehensive performance is poor when the kaolin is independently filled and the processing cost is high when the white carbon black is independently filled; the blend is adopted, so that the processing cost can be reduced while the comprehensive performance of the composite material can be improved; and the modification process and the medicament system are simple, a matched sulphurization formula is provided, the applicability is wide, and the production cost is low, so that the method provided by the invention is convenient for industrial production and application.
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Property | Measurement | Unit |
Tensile strength | 250.85 | N |
300% modulus stress | 3.78 ~ 16.51 | mPa |
Breaking strength | 16.51 | mPa |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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