High-strength wear-resistant natural rubber composite material and preparation method thereof
A natural rubber and composite material technology, applied in the field of natural rubber products, can solve the problems of short service life, unsatisfactory wear resistance, low strength, etc., and achieve improved dispersion, reduced winding, high tensile strength and wear resistance Effect
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[0023]Example 1
[0024]A high-strength wear-resistant natural rubber composite material, comprising the following raw materials by weight: 98 parts of natural rubber, 12 parts of epoxidized natural rubber, 10 parts of modified silicon nitride, 8 parts of microcrystalline muscovite powder, and modified angstrom 9 parts of Luo Shi nanotubes, 8 parts of nanocrystalline cellulose, 4 parts of calcium sulfate whiskers, 3 parts of lignocellulose short fibers, 7 parts of aramid short fibers, 2 parts of zinc borate, 3 parts of neodymium stearate, promotion 1 part of agent and 2 parts of sulfur;
[0025]Among them, the preparation of modified silicon nitride includes the following steps: adding silicon nitride to a mixture of absolute ethanol, silane coupling agent KH550 and water, stirring, and ultrasonically dispersing for 30 minutes to obtain a silicon nitride dispersion, and heating The temperature is kept at 75°C for 5 hours. After the reaction, it is filtered, washed and dried to obtain sila...
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[0028]Example 2
[0029]A high-strength wear-resistant natural rubber composite material, comprising the following raw materials by weight: 95 parts of natural rubber, 15 parts of epoxidized natural rubber, 12 parts of modified silicon nitride, 4 parts of microcrystalline muscovite powder, and modified angstrom 10 parts of Luoshi nanotubes, 8 parts of nanocrystalline cellulose, 9 parts of calcium sulfate whiskers, 4 parts of lignocellulose short fibers, 7 parts of aramid short fibers, 3 parts of zinc borate, 5 parts of neodymium stearate, promotion 2 parts of agent, 1.5 parts of sulfur;
[0030]Among them, the preparation of modified silicon nitride includes the following steps: adding silicon nitride to a mixture of absolute ethanol, silane coupling agent KH570 and water, stirring, and ultrasonic dispersion for 30 minutes to obtain a silicon nitride dispersion, and heating The temperature is kept at 70°C for 5 hours. After the reaction, it is filtered, washed, and dried to obtain a silan...
Example Embodiment
[0032]Example 3
[0033]A high-strength wear-resistant natural rubber composite material, comprising the following parts by weight of raw materials: 92 parts of natural rubber, 12 parts of epoxidized natural rubber, 8 parts of modified silicon nitride, and microcrystalline muscovite powder (the preparation method is the same as the embodiment 1) 8 parts, 5 parts of modified halloysite nanotubes, 3 parts of nano microcrystalline cellulose, 7 parts of calcium sulfate whiskers, 3 parts of lignocellulose short fibers, 8 parts of aramid short fibers, 4 parts of zinc borate, 6 parts of neodymium stearate, 1 part of accelerator, 2.5 parts of sulfur;
[0034]Among them, the preparation of modified silicon nitride includes the following steps: adding silicon nitride to a mixture of absolute ethanol, silane coupling agent KH550 and water, stirring, and ultrasonic dispersion for 25 minutes to obtain a silicon nitride dispersion, and heating The temperature is kept at 75℃, and the reaction is kept fo...
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