Rustproof rubber and manufacturing method thereof
A technology of rubber and anti-rust agent, applied in the field of rubber materials, can solve the problems that metal has no anti-rust protection effect, can not solve the problem of anti-rust, and metal materials are easy to rust, so as to achieve no abnormal color change, ensure physical performance and chemical stability properties, no effect of crystallization
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Embodiment 1
[0016] Add raw EPDM rubber in the rubber mixer, the amount is 48.0% of the total mass of anti-rust rubber, press soft, wrap the roll, the roll distance is 6-7mm, the roll temperature is 50-70°C, and then add the anti-rust rubber total Quality 3.5% sodium benzoate, sodium nitrite, benzotriazole, ammonium benzoate and urotropine mixture, wherein sodium benzoate, sodium nitrite, benzotriazole, ammonium benzoate and urotropine (hexamethylene Tetramine) mass ratio is 5: 2: 1: 1: 1, then add anti-rust rubber total mass 0.8% accelerator, 1.2% anti-aging agent butyl (N-phenyl-2-naphthylamine), wrapping , adding 6.0% zinc oxide, 1.0% stearic acid and 6.0% DCP for mixing. When mixing, the roller distance is 6-7mm, and the roller temperature is 50-70°C. Accelerator M and accelerator DM, the mass ratio of accelerator M and accelerator DM is 1:1. Then slowly add 9.5% carbon black (N330) and 24.0% light calcium carbonate of the anti-rust rubber total mass, after the material is added, it i...
Embodiment 2
[0019] Add butadiene rubber raw rubber in the rubber mixing machine, the consumption is 55.0% of the total mass of anti-rust rubber, press softly, cover the roll, then add the mixture of sodium benzoate and sodium nitrite (sodium benzoate and 3.8% of anti-rust rubber total mass) Sodium nitrite mass ratio is 3: 2), 0.9% accelerator (accelerator M and accelerator DM mass ratio are 1: 1) and 0.8% anti-aging agent D, then add antirust rubber gross mass 7.0% oxidation Zinc, 1.2% stearic acid and 7.0% DCP are kneaded evenly and glued. Then slowly add 8.6% carbon black (N330) and 15.7% light calcium carbonate of the total mass of anti-rust rubber. After all the materials are added, ramming is carried out at about 50°C. After the mixing is uniform, it is thinly passed three times, and the tablets are produced. After the sheet is released, it is re-milled, and after the pounding is uniform, it is thinned twice, and the sheet is released, and the anti-rust rubber is obtained.
[0020]...
Embodiment 3
[0022] Anti-rust rubber is composed of raw rubber, anti-rust agent, accelerator, zinc oxide, stearic acid, DCP (dicumyl peroxide), carbon black, anti-aging agent D and light calcium carbonate, by weight percentage, 45 % raw rubber, 3% antirust agent, 0.7% accelerator, 5.0% zinc oxide, 0.8% stearic acid, 5.0% DCP, 9.6% carbon black, 1.0% antiaging agent D, and the balance is light calcium carbonate.
[0023] Wherein: raw rubber is natural rubber; antirust agent is capric acid, dicyclohexylamine, ammonium benzoate, and its mass ratio is 1:1:1; accelerator is accelerator M.
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