Oil and acid-base resisting blended material and its production
A technology of acid and alkali resistance and mixing, which is applied in the field of rubber products, can solve the problems of poor mechanical properties, acid and alkali resistance, poor oil resistance, etc., and achieve the effect of increasing the service life and improving the bonding and peeling strength
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Embodiment 1
[0026] In the first step, take 50 kg of chlorinated polyethylene rubber CM, 45 kg of nitrile rubber / polyvinyl chloride (70 / 30) alloy, 10 kg of oligomer fat TP-955 kg and zinc methacrylate into the rubber seal. In the mixing machine, keep the temperature at 150°C for rubber mixing for 10 minutes, then put 5 kg of magnesium methacrylate and 1 kg of stearic acid into the internal mixer for rubber mixing for 8 minutes, and then add 20 kg of N220 Carbon black, 18 kg of N330 carbon black, 22 kg of 1250-mesh ultrafine talcum powder, 15 kg of filler composed of micron-sized magnesium oxide, and 15 kg of plasticizer DOP were placed in the internal mixer in turn for 10 minutes after rubber mixing Stop the machine and turn over the warehouse to discharge the material, cool to below 65°C for use;
[0027] The second step is to add the rubber sheet made by rubber mixing into the rubber mill at a temperature of 55°C, and then add 0.5 kg of accelerator DM, 0.5 kg of accelerator CZ, and 1.5 k...
Embodiment 2
[0029] In the first step, 60 kg of chlorinated polyethylene rubber, 55 kg of nitrile rubber / polyvinyl chloride (70 / 30) alloy, 15 kg of oligomeric fat TP-85 and 8 kg of zinc methacrylate are inserted into the rubber In the internal mixer, keep the temperature at 160°C for rubber mixing for 8 minutes, then put 6 kg of magnesium methacrylate and 0.5 kg of stearic acid into the internal mixer for 4 minutes, and then mix 15 kg of N220 carbon black, 18 kg of N330 carbon black, 20 kg of 1250-mesh ultrafine talcum powder, 20 kg of filler made of quartz, and 20 kg of plasticizer DOP were placed in the internal mixer in sequence for 6 minutes and then stopped and turned over. Out of the warehouse, cool to below 40°C for use;
[0030] In the second step, add the rubber sheet formed by rubber mixing into the rubber mill at a temperature of 45°C, and then add 0.75 kg of accelerator D and 0.5 kg of accelerator M, 1.0 kg of sulfur chloride and 1.5 kg of After the cyanuric acid resin is pack...
Embodiment 3
[0032] In the first step, 55 kg of chlorinated polyethylene rubber, 50 kg of nitrile rubber / polyvinyl chloride (70 / 30) alloy, 20 kg of oligomeric fat TP-92 and 6 kg of zinc methacrylate are inserted into the rubber In the internal mixer, keep the temperature at 180°C for rubber mixing for 15 minutes, then put 8 kg of magnesium methacrylate and 1.5 kg of stearic acid into the internal mixer for 6 minutes, and then put 20 kg of N220 carbon black, 30 kg of N330 carbon black, 20 kg of 1250-mesh ultrafine talcum powder, 15 kg of micron-sized magnesium oxide, 20 kg of quartz filler, and 25 kg of plasticizer DOP are put into the internal mixer in sequence After 8 minutes of middle rubber mixing, stop the machine and turn over the warehouse to discharge the material, and cool to below 45°C for use;
[0033] In the second step, add the rubber sheets formed by rubber mixing into the rubber mill at a temperature of 50°C, and then add 0.5 kg of accelerator DM, 0.75 kg of accelerator CZ, 1...
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