Silicone rubber sealing ring and preparation method thereof
A sealing ring and silicone rubber technology, which is applied in the field of rubber materials, can solve the problems of plant protein, carbohydrate erosion, affecting the service life of silicone rubber sealing rings, and breeding molds in silicone rubber sealing rings, so as to inhibit the growth of mold, good antibacterial, The effect of improving the bonding effect
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preparation example 1
[0044] Preparation example 1: Loaded diatomite is prepared by the following method:
[0045] Weigh 1kg of calcium oxide powder and place it in 20kg of dehydrated ethanol to obtain a premix, the particle size of the calcium oxide powder is 200 mesh, and the mass fraction of dehydrated alcohol is 99%; then 10kg of diatomaceous earth is added to the premix, The particle size of diatomite is 40 mesh, and it is dispersed ultrasonically for 5 minutes at a frequency of 20 kHz, then stirred at a speed of 500 r / min for 3 minutes, and then the diatomite is filtered to obtain a mixture; the gel content is 30% The propolis liquid is immediately sprayed on the surface of the mixture, the weight ratio of the propolis liquid to the mixture is 1:8, the mixture is stirred at a speed of 500r / min during the spraying process, the propolis liquid is sprayed within 120s, and the propolis liquid is dried at room temperature Finally, the loaded diatomaceous earth is prepared.
preparation example 2
[0046]Preparation example 2: Loaded diatomite is prepared by the following method:
[0047] Weigh 1kg of calcium oxide powder and place it in 15kg of dehydrated ethanol to make a premix, the particle size of the calcium oxide powder is 200 mesh, and the mass fraction of dehydrated alcohol is 99%; then 5kg of diatomaceous earth is added to the premix, The particle size of diatomite is 40 mesh, and it is dispersed ultrasonically for 5 minutes at a frequency of 30 kHz, then stirred at a speed of 500 r / min for 3 minutes, and then the diatomite is filtered to obtain a mixture; the gel content is 30% The propolis liquid is immediately sprayed on the surface of the mixture, the weight ratio of the propolis liquid to the mixture is 1:5, the mixture is stirred at a speed of 300r / min during the spraying process, the propolis liquid is sprayed within 180s, and the propolis liquid is dried at room temperature Finally, the loaded diatomaceous earth is prepared.
preparation example 3
[0048] Preparation Example 3: Loaded diatomaceous earth is prepared by the following method:
[0049] Weigh 1kg of calcium oxide powder and place it in 25kg of dehydrated ethanol to make a premix, the particle size of the calcium oxide powder is 200 mesh, and the mass fraction of dehydrated alcohol is 99%; then 15kg of diatomaceous earth is added to the premix, The particle size of diatomite is 40 mesh, and it is dispersed ultrasonically for 5 minutes at a frequency of 40 kHz, then stirred at a speed of 500 r / min for 3 minutes, and then the diatomite is filtered out to obtain a mixture; the gel content is 30% The propolis liquid is immediately sprayed on the surface of the mixture, the weight ratio of the propolis liquid to the mixture is 1:10, the mixture is stirred at a speed of 800r / min during the spraying process, the propolis liquid is sprayed within 60s, and the propolis liquid is dried at room temperature Finally, the loaded diatomaceous earth is prepared.
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