Elastic rubber material with high strength and elastic band produced from the same
An elastic rubber and high-strength technology, applied in the field of elastic bands, can solve the problems of small stretch and elastic force, which cannot be satisfied, and achieve the effects of improving fatigue life, improving efficiency, and avoiding operating time
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Embodiment 1
[0019] 100 parts of natural rubber (1# smoked sheet rubber), 3 parts of zinc oxide (purity 99.8%), 0.6 parts of stearic acid (industrial grade), 1.0 part of anti-aging agent 264 (industrial grade), 2.5 parts of sulfur (industrial grade), 0.35 parts of accelerator M, 0.5 parts of accelerator DM, SiO 2 40 parts, TiO 2 0.5 part, iron yellow 0.5 part.
[0020]
Embodiment 2
[0022] 100 parts of natural rubber (1# smoked sheet rubber), 3 parts of zinc oxide (purity 99.8%), 0.6 parts of stearic acid (industrial grade), 1.0 part of anti-aging agent 264 (industrial grade), 2.5 parts of sulfur (industrial grade), 0.35 parts of accelerator M, 0.5 parts of accelerator DM, SiO 2 35 parts, TiO 2 5 parts, iron yellow 0.5 part.
[0023]
Embodiment 3
[0025] The manufacture method of the high-strength elastic rubber material in the foregoing embodiment is as follows:
[0026] A. Masticating: put the weighed natural rubber into the open mill, and pass it 3 to 5 times under the minimum rolling torque to obtain raw rubber;
[0027] B. Mixing: Put the raw rubber into the internal mixer, and take it out after 1-2 minutes of refining;
[0028] C. Put the weighed SiO into the internal mixer 2 , weighed zinc oxide, TiO 2 , stearic acid, anti-aging agent, and then put in the kneaded raw rubber, pressurized and kneaded for 8 to 10 minutes
[0029] D. On the open mill, the lower piece is cooled; after 24 hours, add sulfur, accelerator M and accelerator DM, and get the modified rubber compound by back-burning the piece.
[0030] The step of mixing adopts reverse mixing method for mixing. (Put in the materials other than raw rubber first, then put in the raw rubber after putting in, put down the top bolt and knead once).
[0031] E...
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