Wide-temperature-range high-damping rubber composition and preparation method thereof
A rubber composition and high damping technology, applied in the field of rubber materials, can solve the problems of poor mechanical properties of materials and the inability to meet the requirements for the use of high damping isolation rubber parts, and achieve high damping performance, excellent tensile strength and elongation at break. effect of length
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Embodiment 1
[0036] Embodiment 1 (each component is proportioned according to mass parts and mass percentages, the following examples are the same)
[0037] At 40°C, 100 parts of standard full latex granules, 50 parts of isoprene rubber with a cis configuration content of 92%-97%, 1,4-polybutadiene structure at 90% by mass, syndiotactic 60 parts of butadiene rubber with 3-20% by mass of 1,2-polybutadiene and cis-configuration content of 92%-97% were put into the internal mixer respectively, and blended after masticating for 20 minutes; Then add 80 parts of copolymerized petroleum resins, 40 parts of 1500 mesh magnesium strong powder, 140 parts of carbon black N110, 80 parts of sulfur, 120 DEG C of softening point, relative density of 1, acid value of 0.5 mg KOH / g to the blended masticated rubber. 2 parts, 2 parts of vulcanization accelerator N-cyclohexyl-2-benzothiazole, 12 parts of active agent zinc oxide, 2 parts of anti-aging agent N-isopropyl-N'-phenyl-p-phenylenediamine, prepared into...
Embodiment 2
[0040] At 80°C, 100 parts of standard full latex granules, 50 parts of isoprene rubber with a cis configuration content of 92%-97%, 1,4-polybutadiene structure at 90% by mass, syndiotactic 1 , 60 parts of butadiene rubber with 3-20% mass fraction of 2-polybutadiene and cis-configuration content of 92%-97% were put into the internal mixer respectively, and blended after masticating for 20 minutes; It is 120 ℃, relative density 1, acid value 0.5mg KOH / g copolymerized petroleum resin 90 parts, magnesium strong powder 40 parts, carbon black N110 150 parts, sulfur 8 parts, 2 parts of accelerator dibenzothiazole disulfide, 12 parts of active agent zinc oxide, 1 part of active agent stearic acid, 4 parts of antioxidant N-isopropyl-N'-phenyl-p-phenylenediamine, prepared by mixing rubber; park the mixed rubber for 10 hours, and then vulcanize it on a flat vulcanizing machine for 30 minutes at 150°C and a pressure of 20 MPa to obtain the required wide temperature range high damping rubb...
Embodiment 3
[0043] At 100°C, 100 parts of standard full latex granules, 60 parts of isoprene rubber with a cis configuration content of 92%-97%, 1,4-polybutadiene structure at 90% by mass, syndiotactic 50 parts of butadiene rubber with 3-20% by mass of 1,2-polybutadiene and cis-configuration content of 92%-97% were put into the internal mixer respectively, and blended after masticating for 15 minutes Adding 90 parts of copolymerized petroleum resin, 40 parts of magnesium powder, 30 parts of reinforcing agent white carbon black, 120 parts of reinforcing agent carbon black N110, 8 parts of sulfur, 3 parts of accelerator dibenzothiazole disulfide, 12 parts of active agent zinc oxide, 2 parts of active agent stearic acid, anti-aging agent N-isopropyl-N'- 2 parts of phenyl-p-phenylenediamine were prepared into rubber mixture; after the rubber mixture was parked for 7 hours, it was vulcanized on a flat vulcanizing machine for 10 minutes at 200°C and a pressure of 20 MPa to obtain the required w...
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Abstract
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