Method for preparing environment-friendly red fine renewable rubber
A technology of regenerated rubber and production methods, applied in recycling technology, plastic recycling, etc., can solve problems such as high desulfurization pressure, long desulfurization time, difficult to treat sewage, etc., achieve good plasticity and softness, low desulfurization steam pressure, and good appearance Smooth and delicate effect
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Embodiment 1
[0019] A production method of environment-friendly red fine regenerated rubber: use waste red shoe soles and red scraps as raw materials, select them, cut off impurities such as patches and copper nozzles, clean and drain, and then use a pulverizer to grind and pulverize them into particles with a particle size of For 0.18-0.425mm red rubber powder, the temperature of the pulverizer roller is controlled at 80-100°C, and the roller distance is set at 0.25mm; 75 parts by weight of red rubber powder, 5 # Add 2.5 parts of rubber oil, 3 parts of white rosin, and 9 parts of water into the computer regeneration tank, start the mixer to stir, and feed steam, the steam pressure in the tank rises from the initial 0.6Mpa to 1.7-1.9Mpa, and the pressure holding time is 40 minutes; After the time is up, reduce the pressure in the desulfurization tank to 0Mpa, open the valve to discharge the material and cool it quickly; use two mills to refine the desulfurized and cooled rubber material for...
Embodiment 2
[0023] A production method of environment-friendly red fine regenerated rubber: use waste red shoe soles and red scraps as raw materials, select them, cut off impurities such as patches and copper nozzles, clean and drain, and then use a pulverizer to grind and pulverize them into particles with a particle size of For 0.18-0.425mm red rubber powder, the temperature of the pulverizer roller is controlled at 80-100°C, and the roller distance is set at 0.3mm; 100 parts by weight of red rubber powder, 5 # Add 4 parts of rubber oil, 2 parts of white rosin, and 8 parts of water into the computer regeneration tank, turn on the mixer to stir, and feed steam, the steam pressure in the tank rises from the initial 0.6Mpa to 1.8-2.0Mpa, and the pressure holding time is 35 minutes; After the time is up, the pressure in the desulfurization tank is reduced to 0Mpa, and the valve is opened to discharge the material and cooled rapidly; the rubber material after desulfurization and cooling is re...
Embodiment 3
[0027] A production method of environment-friendly red fine regenerated rubber: use waste red shoe soles and red scraps as raw materials, select them, cut off impurities such as patches and copper nozzles, clean and drain, and then use a pulverizer to grind and pulverize them into particles with a particle size of For 0.18-0.425mm red rubber powder, the temperature of the pulverizer roller is controlled at 80-100°C, and the roller distance is set at 0.2mm; 50 parts by weight of red rubber powder, 5 # Add 1 part of rubber oil, 4 parts of white rosin, and 10 parts of water into the computer regeneration tank, turn on the mixer to stir, and feed steam, the steam pressure in the tank rises from the initial 0.6Mpa to 1.6-1.8Mpa, and the pressure holding time is 45 minutes; After the time is up, reduce the pressure in the desulfurization tank to 0Mpa, open the valve to discharge the material and cool it quickly; use two mills to refine the desulfurized and cooled rubber material 10 t...
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