Method for increasing drying efficiency of natural rubber
A natural rubber, drying efficiency technology, applied in the field of improving the drying efficiency of natural rubber, to achieve the effects of reduced energy consumption, high tear resistance, and improved anti-aging performance
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Embodiment 1
[0014] Add 100-250 grams of diethylene glycol and 25-100 grams of sodium lauryl sulfate or sodium dodecyl sulfate into 5 liters of deionized water, and stir evenly. Under the action of an ultrasonic oscillator, slowly add 0.03 to 0.24 kg of nano silicon dioxide to the above solution, with a particle size range of 10 nm to 100 nm. After a stable suspension is formed, slowly add the above stable suspension to 100 Kilograms of natural rubber latex, stir until uniform. Park the latex at room temperature for 24-48 hours to naturally solidify the latex, take out the rubber clot, tablet and granulate, wash, and dry on a drying line. The drying time is about 80% of that of the control process sample without adding nano-silica suspension. The color of the obtained natural rubber is golden yellow and very dry, and its quality meets the quality standard of the Chinese standard natural rubber No. 5 rubber. The specific quality index is, the initial value of plasticity P 0 Between 35 and ...
Embodiment 2
[0016] Add 100-250 grams of diethylene glycol and 25-100 grams of sodium lauryl sulfate or sodium dodecyl sulfate into 5 liters of distilled water of deionized water, and stir evenly. Under the action of an ultrasonic oscillator, slowly add 0.03 to 0.24 kg of nano-silicon dioxide into the above solution, with a particle size ranging from 10 nm to 100 nm, until a stable suspension is formed. Slowly add the above stable suspension to 100 kg of natural rubber latex, stir, and after stirring evenly, add 5 liters of acetic acid with a concentration of 3%, mix well, and let the latex fully solidify for 5-8 hours, then take out the rubber gel block, tableted and granulated, washed, and dried on the drying line, and the drying time is about 80% of that of the control process sample without adding nano-silica suspension. The color of the obtained natural rubber is light golden yellow and very dry, and its quality meets the quality standard of Chinese standard natural rubber No. 5 rubbe...
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