| 摘要 |
A styrene-based cement composition is provided to improve the adhesion and green adhesive strength of a rubber mixture, thereby preventing the separation of interface. A cement composition comprises 100 parts by weight of a rubber material which comprises 5-15 parts by weight of a liquid isoprene rubber, 30-50 parts by weight of a solution polymerization styrene-butadiene rubber containing 30-50 wt% of styrene and 30-50 wt% of vinyl component, 10-50 parts by weight of an emulsion polymerization styrene-butadiene rubber containing 30-50 wt% of styrene and 30-50 wt% of vinyl component, and 5-15 parts by weight of a butadiene rubber; 40-70 parts by weight of carbon black; 1-5 parts by weight of zinc oxide; 1-3 parts by weight of stearic acid; 1-3 parts by weight of a heat resistant antiaging agent; 2-7 parts by weight of a copolymer of styrene and alpha-methyl styrene; 1-3 parts by weight of a process oil; 0.1-2.0 parts by weight of sulfur; 0.5-3.0 parts by weight of insoluble sulfur; 0.5-2.0 parts by weight of a vulcanization accelerator; and 50-95 parts by weight of a nonaromatic solvent.
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