The imitation leather sole is mainly made of rubber and plastic, which has the hardness, toughness, elasticity and wear resistance of leather. It is generally made of natural rubber and styrene butadiene rubber as the main raw materials, with an appropriate amount of high styrene added. It is not afraid of water when used. Compared with ordinary reclaimed tire rubber, the reclaimed tire tread rubber has higher strength, better elasticity and good compatibility with natural rubber and styrene butadiene rubber. It can be used together to produce black leather like sole and reduce the cost of raw materials.
1. formulation of black leather like sole prepared by blending natural rubber/styrene butadiene rubber/high styrene/reclaimed tread rubber
25 phr of natural rubber, 25 phr of styrene butadiene rubber, 35 phr of high styrene, 15 phr of reclaimed tread rubber, 2.7 phr of zinc oxide, 1 phr of stearic acid, 1 phr of antioxidant SP-C, 0.5 phr of antioxidant MB, 0.5 phr of paraffin, 26 phr of carbon black N330, 10 phr of clay, 6 phr of engine oil, 0.8 phr of accelerator CZ, 0.8 phr of accelerator D, 1.05 phr of accelerator M, and 1.05 phr of sulfur; 151.4 copies in total.
2. formula for preparing black leather like sole by blending natural rubber/styrene butadiene rubber/high styrene/reclaimed tread rubber/leather powder
25 phr of natural rubber, 25 phr of styrene butadiene rubber, 35 phr of high styrene, 15 phr of reclaimed tread rubber, 30 phr of leather powder, 2.7 phr of zinc oxide, 1 phr of stearic acid, 1 phr of antioxidant SP-C, 0.5 phr of antioxidant MB, 0.5 phr of paraffin, 26 phr of carbon black N330, 6 phr of engine oil, 0.8 phr of accelerator CZ, 0.8 phr of accelerator D, 1.05 phr of accelerator M, 0.1 phr of accelerator TMTD and 1.35 phr of sulfur; 171.8 copies in total.
3. formula for preparing black leather like sole by blending styrene butadiene rubber/high styrene/reclaimed tread rubber
60 phr styrene butadiene rubber, 20 phr high styrene, 20 phr reclaimed tread rubber, 4.5 phr zinc oxide, 2.2 phr stearic acid, 1 phr antioxidant D, 23 phr high wear-resistant furnace black, 18 phr light calcium carbonate, 55 phr active calcium carbonate, 5 phr coumarone resin, 7 phr naphthenic oil, 0.45 phr accelerator D, 0.9 phr accelerator DM, 0.15 phr accelerator TMTD, 1.8 phr sulfur; 219 copies in total.
When the recycled rubber of tire tread is mixed in the formula of HSR/rubber blended leather like sole, the proportion of recycled rubber should be controlled below 40%, and the elasticity and flexion resistance of the finished leather like sole e5lyy56 are better; Different batches of reclaimed rubber need to be spot checked before use, and can be used in large quantities only after the tensile strength, hardness and vulcanization properties are qualified; It is recommended to choose environmentally friendly reclaimed tread rubber to meet the environmental protection needs of downstream users of leather like soles.
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