Preparation method of wrapping sulphur vulcanizing agent capable of being used for production of rubber
A technology of vulcanizing agent and sulfur, which is applied in the field of preparation of coated sulfur vulcanizing agent, can solve the problems of unfavorable rubber products widely used, dangerous production operation, high price, etc., to avoid the problem of early vulcanization, the process is simple and feasible, and the compatibility is good Effect
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Embodiment 1
[0012] (1) Preparation of stable natural latex solution: add 200g natural latex solution (28.0% dry content), 80g water, 0.2g gelatin aqueous solution (mass fraction 10%) into the container, and stir under high-speed shear at 300 rpm , after stirring for 10 minutes, a stable natural rubber latex solution (dry content of 20%) was obtained and set aside;
[0013] (2) Preparation of sulfur suspension: Add 50g of ordinary sulfur and 450g of water into the container, stir and disperse with a shear emulsifier at 4000 rpm for 15min to obtain a stable sulfur dispersion suspension (mass fraction 10%), set aside;
[0014] (3) Mixing of latex solution and sulfur suspension: mix 200g of sulfur suspension and 60g of natural latex solution under high-speed stirring, add 0.01g of sodium lauryl sulfate, and carry out high-speed stirring at a stirring speed of 1500rpm for 20 minutes;
[0015] (4) After the sulfur suspension and the latex solution are mixed, they are coagulated, washed and drie...
Embodiment 2
[0017] (1) Preparation of stable natural rubber latex solution: add 175g natural rubber latex solution (31.2% dry content), 73.2g water, 0.175g gelatin aqueous solution (mass fraction 10%) into the container, stir under high-speed shear, and rotate at 200 rpm, after stirring for 10 minutes, a stable natural rubber latex solution (22% in dry content) was obtained and set aside;
[0018] (2) Preparation of sulfur suspension: Add 50g of ordinary sulfur and 450g of water into the container, stir and disperse with a shear emulsifier at 4000 rpm for 15min to obtain a stable sulfur dispersion suspension (mass fraction 10%), set aside;
[0019] (3) Mixing of latex solution and sulfur suspension: 200g of sulfur suspension and 63.63g of natural rubber latex solution were stirred at high speed, and 0.01g of sodium lauryl sulfate was added, and stirred at a high speed at 1500rpm for 20min;
[0020] (4) After the sulfur suspension and the latex solution are mixed, they are coagulated, wash...
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