A kind of rubber composition, conveyor roller and its preparation method and application
A rubber composition and conveyor technology, applied in the direction of conveyor objects, transportation and packaging, rollers, etc., can solve the problems of unresolved special requirements such as flame retardancy, antistatic, and cold resistance of the rubber layer of the idler, and achieve high popularization and application Value, increased durability, delayed fire effect
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Embodiment 1
[0055] 1. Preparation of Rubber Composition
[0056] a. Weigh raw materials: 100Kg of neoprene as the main material, 10Kg of zinc oxide and magnesium oxide as the compounding agent, 1.5Kg of 1,2-methylene thiourea and dithiodibenzothiazole in total, stearin Acid 2Kg, antimony trioxide and #chlorinated paraffin-52 total 20Kg, stearylamide ethyl-dimethyl-β-hydroxyethylamine nitrate 12Kg, aluminum hydroxide and dioctyl sebacate total 35Kg , N330 high wear-resistant carbon black 55Kg, octylated diphenylamine and N-isopropyl-N'-phenyl-p-phenylenediamine total 3Kg and dioctyl phthalate 7Kg;
[0057] b. Decrystallization pretreatment and plastication: Put the chloroprene rubber in a drying room at 70°C to decrystallize, and after 24 hours, use an open mill to masticate, the roller temperature is 30-35°C, and the roller distance is 5mm thick to pass through 3 Once, the chloroprene rubber is heated and pressed to soften, and then passed 3 times with a roll distance of 3 mm, then thinl...
Embodiment 2
[0064] According to the preparation method of Example 1 (such as figure 1 shown) to prepare the rubber composition and the conveyor rollers, respectively. the difference is:
[0065] The raw materials and quality that take in the present embodiment are: neoprene rubber 50Kg, butadiene rubber 30Kg, natural rubber 20Kg, zinc oxide, magnesium oxide and sulfur add up to 8.5Kg, 1,2-methylene thiourea, dithiocarbamate Thiazole and 2-(4-morpholinothiol)benzothiazole total 1.3Kg, stearic acid 1Kg, antimony trioxide, zinc borate and chlorinated paraffin-70 total 40Kg), octadecylaminoethyl- Dimethyl-β-hydroxyethylamine nitrate and octadecamidopropyl-dimethyl-β-hydroxyethylamine dihydrogen triphosphate total 10Kg, aluminum hydroxide and dioctyl sebacate total 20Kg , N330 high wear-resistant carbon black and precipitated silica total 30Kg, octylated diphenylamine, N-isopropyl-N'-phenyl-p-phenylenediamine and N-phenyl-α-naphthylamine total 2.5Kg And dioctyl phthalate 3Kg;
[0066] The ...
Embodiment 3
[0071] According to the preparation method of Example 1 (such as figure 1 shown) to prepare the rubber composition and the conveyor rollers, respectively. the difference is:
[0072] The raw materials and quality that take in the present embodiment are: butadiene rubber 70Kg, chloroprene rubber 30Kg, magnesia and sulfur add up to 3.4Kg, 1,2-methylene thiourea / dithiodibenzothiazole and N- Cyclohexyl-2-benzothiazole sulfenamide total 1.1Kg, zinc oxide and stearic acid 5.5Kg, antimony trioxide plus zinc borate, chlorinated paraffin-70 and triphenyl phosphate total 60Kg, stearylamide ethyl Nitrate of dimethyl-β-hydroxyethylamine, octadecamidopropyl-dimethyl-β-hydroxyethylamine dihydrogen triphosphate in total 10Kg, aluminum hydroxide and dioctyl azelate A total of 5Kg, N330 high wear-resistant carbon black 25Kg, a total of 3Kg of N-isopropyl-N'-phenyl-p-phenylenediamine and N-phenyl-α-naphthylamine, and dioctyl phthalate and adipic acid Dioctyl ester total 5Kg;
[0073] Butadien...
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