Preparation method of elastomer from whole ground tire rubber
An elastomer and rubber powder technology, which is applied in clothing, protective clothing, special outerwear, etc., to achieve the effect of reducing processing costs, saving resources, and reducing processing steps
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Embodiment 1
[0049] Get 100kg of sodium bicarbonate and 100kg of polyethylene glycol, and mix the mixture of the two in a high-speed mixer to prepare a compound foaming aid for subsequent use;
[0050] Take accelerator ZMBT10kg, accelerator CBS15kg, accelerator MBT20kg, accelerator TETD15kg, ZnCO 3 30kg, proportioned on a high mixer, compounded into a vulcanization improver.
[0051] Weigh 100kg of waste tire rubber powder of 40-60 mesh, 2kg of the above vulcanization modifier, 1.5kg of ZnO, 2kg of stearic acid, 0.5kg of sulfur, 1kg of naphthenic oil, 15kg of carbon black, 12kg of heavy calcium, 20kg of clay, foam Agent H10kg, foaming aid 10kg prepared above. 100kg of waste rubber powder, 2kg of stearic acid, and 1kg of naphthenic oil are mixed at room temperature on an open mill, and the temperature of the open mill is controlled to prevent the material from sticking to the roll. After the materials are mixed evenly, add 20kg of clay, 1.5kg of ZnO, 12kg of heavy calcium, and 15kg of car...
Embodiment 2
[0053]Weigh 100kg of 40-60 mesh waste tire rubber powder, 5kg of vulcanization modifier prepared in Example 1, 3.0kg of ZnO, 7kg of stearic acid, 4kg of sulfur, 6kg of naphthenic oil, 25kg of carbon black, 17kg of heavy calcium, and 26kg of clay , foaming agent H15kg, foaming aid 15kg prepared in Example 1. 100kg of waste rubber powder, 7kg of stearic acid, and 6kg of naphthenic oil are mixed at room temperature on an open mill, and the temperature of the open mill is controlled to prevent the material from sticking to the roll. After the materials are mixed evenly, add 26kg of clay, 3kg of ZnO, 17kg of heavy calcium, and 25kg of carbon black, and continue mixing for 2 hours, then add 4kg of sulfur, 5kg of vulcanization modifier, 15kg of foaming agent H, and 15kg of foaming aid, and continue mixing for 2 hours , take out the mixed rubber, place it at room temperature for 10 hours, vulcanize at 120°C for 15 minutes, and vulcanize at 130°C for 2 hours to obtain the product.
Embodiment 3
[0055] Weigh 40-60 order waste tire rubber powder 70kg, vulcanization improver 3kg prepared in embodiment 1, ZnO 2kg, stearic acid 5kg, sulfur 3kg, naphthenic oil 4kg, carbon black 20kg, heavy calcium 15kg, clay 23kg, Foaming agent H12kg, foaming aid 12kg prepared in embodiment 1. 70kg of waste rubber powder, 5kg of stearic acid, and 4kg of naphthenic oil are mixed at room temperature on an open mill, and the temperature of the open mill is controlled to prevent the material from sticking to the roll. After the materials are mixed evenly, add clay 23kg, ZnO2kg, heavy calcium 15kg, carbon black 20kg, continue mixing for 2 hours, then add sulfur 3kg, vulcanization improver 3kg, foaming agent H12kg, foaming aid 12kg, continue mixing for 2 hours, Take out the mixed rubber, place it at room temperature for 10 hours, vulcanize at 120°C for 15 minutes, and vulcanize at 130°C for 2 hours to obtain the product.
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