Shell powder-epoxidized natural rubber composite material and preparation method thereof
A composite material and natural rubber technology, applied in the field of rubber composite material production, can solve the problems of breeding mosquitoes, bad smell, and affecting the lives of villagers, and achieves a product that is not easy to generate heat, has good anti-wet skid performance, and is simple and easy to operate. Effect
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Embodiment 1
[0014] Weigh 10 parts of shell powder with a particle size of about 200nm, add 7.5 parts of ethanol to infiltrate, then add an appropriate amount of deionization, then add 1.0 parts of rare earth coupling agent DN-8102 and 1.0 parts of tetraethylene pentadiamine, place in Stir continuously in a water bath at 70°C for 5 hours, then add 0.4 parts of sodium dodecylbenzene sulfonate, stir and ultrasonically prepare a modified shell powder aqueous dispersion with a concentration of 40%, and then add 100 parts of epoxy resin based on dry glue. 5-50% epoxidized natural rubber latex with a total solid content of 20-25% total solid content, continued to stir for 1 hour, and ultrasonically dispersed for 30 minutes to obtain a shell powder-epoxidized natural rubber composite material in a latex state;
[0015] Add 1.0 parts of sulfur, 2.0 parts of zinc oxide, 0.7 parts of zinc diethyldithiocarbamate (accelerator ZDC), 0.5 parts of zinc ethyl-phenyldithiocarbamate (accelerator PX), 0.5 pa...
Embodiment 2
[0017] Weigh 30 parts of shell powder with a particle size of about 200nm, add 15 parts of ethanol to infiltrate, then add an appropriate amount of deionization, then add 1.5 parts of rare earth coupling agent DN-8102 and 1.5 parts of tetraethylene pentadiamine, place Stir continuously in a water bath at 80°C for 4 hours, then add 0.6 parts of sodium dodecylbenzene sulfonate, stir and ultrasonically prepare a modified shell powder aqueous dispersion with a concentration of 50%, and then add 100 parts of epoxy resin based on dry glue. Epoxidized natural rubber latex with 5-50% chemical degree and 20-25% total solid content, continue to stir for 1 hour, ultrasonically disperse for 30 minutes, then add ethanol for coagulation, tabletting, washing, and drying to make a dry gel Shell powder-epoxidized natural rubber composites;
[0018] Add 1.5 parts of sulfur, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, and 2.0 parts of N-oxydiethylene-2-benzothiazole sulfenamide in the ab...
Embodiment 3
[0020] Weigh 60 parts of shell powder with a particle size of about 200nm, add 15 parts of ethanol to infiltrate, then add an appropriate amount of deionization, then add 1.5 parts of rare earth coupling agent DN-8102 and 1.5 parts of tetraethylene pentadiamine, place Stir continuously in a water bath at 80°C for 4 hours, then take it out for cooling and centrifugal washing, then dehydrate and dry the shell powder obtained after washing to obtain shell powder powder; weigh 100 parts of epoxidized natural rubber, and Add the above-mentioned shell powder powder to the glue machine, as well as 1.5 parts of sulfur, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, 2.0 parts of N-oxydiethylene-2-benzothiazole sulfenamide (accelerator MBS), 1.0 Parts of tetramethylthiuram disulfide (promoter TMTD), 0.3 parts of anhydrous sodium carbonate, 1.5 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer (antiaging agent RD), 3 parts of aromatic oil, vulcanized at 155°C after mixing evenly...
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