▎ 摘　　要

NOVELTY - Graphene cold-resistant rubber polymer composition comprises 60-68 pts. wt. natural rubber, 8-12 pts. wt. butadiene rubber, 23-29 pts. wt. low-pressure polyethylene, 13-17 pts. wt. polyphenylene oxide, 4-6 pts. wt. oxidized polyethylene, 3-4.5 pts. wt. flowing Additives, 2.6-3.4 pts. wt. graphene, 5-8 pts. wt. silane coupling agent modified silica black, 3-5 pts. wt. fumed silica, 2-3 pts. wt. foaming agent, 1.4 -1.8 pts. wt. activated zinc oxide, 1.6-1.9 pts. wt. bridging agent, 1.5-2.2 pts. wt. cross-linking agent, 3-5 pts. wt. antioxidants, and 3-5 pts. wt. heat stabilizers. The flow aid is a mixture of glyceryl monostearate and glyceryl 1,2-decanoate. The graphene is a nanographene microchip, and cross-linking agent is a mixture of sulfur and trimethylolpropane trimethacrylate. USE - Graphene cold-resistant rubber polymer composition. ADVANTAGE - The graphene cold-resistant rubber polymer composition has low compression set and good resilience, high tensile strength and large elongation at break, excellent shear performance, good comprehensive performance, excellent processability and good apparent quality The most important thing is that the brittle temperature is low and the low temperature resistance is good, used for a long time in the range of normal temperature to -40 degrees C and cold resistance is excellent. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a graphene cold-resistant rubber polymer composition, which involves: (A) weighing natural rubber, butadiene rubber, low pressure polyethylene, polyphenylene ether, oxidized polyethylene, flow aid, graphene, silane coupling agent modified silica, fumed silica, Foaming agent, activated zinc oxide, bridging agent, cross-linking agent, antioxidant and heat stabilizer; (B) feeding the natural rubber into the internal mixer, and carrying out the smelting for 12-14 minutes at a temperature of 144-148 degrees C, storing natural rubber at room temperature for more than 48 hours and reserved; (C) sending natural rubber and butyl rubber, low pressure polyethylene, polyphenylene ether, oxidized polyethylene, flow aid, graphene, silane coupling agent modified silica, modified by natural gaseous rubber treated to the internal mixer, and the internal temperature is 90-95 degrees C for 10-14 minutes, smelting for 9-12 minutes at a temperature of 112-116 degrees C; (D) adding foaming agent, activated zinc oxide, bridging agent, cross-linking agent, antioxidant and heat stabilizer, and mix for 8-11 minutes under the temperature of 120-125 degrees C; and (E) sending mixer compound to the mixer, thinned 2-4 times on the mixer, and the tablets are obtained to obtain the mixer compound, sending mixer compound to the mold for hot pressing., and obtaining graphene cold-resistant rubber polymer foamed material by cutting and forming samples, and obtaining graphene cold-resistant rubber polymer foaming material.