| 摘要 |
PURPOSE: A synthetic rubber component of rubber and plastic and its preparation method are provided to allow the rubber and plastic to be joined easily for preparing a synthetic rubber component without using an adhesive. CONSTITUTION: The synthetic rubber component comprises (A) 30-35 parts by weight of a rubber composition which comprises (a1) 100 parts by weight of a rubber base consisting of 80-90 wt% of a natural rubber and 10-20 wt% of a styrene-butadiene rubber containing 23 wt% of styrene, (a2) 40-50 parts by weight of carbon black, (a3) 4-5 parts by weight of zinc oxide, (a4) 1-2 parts by weight of an activator, (a5) 1.2-1.5 parts by weight of a heat-resistant antiaging agent, (a6)1.5-2.0 parts by weight of an antioxidant, (a7) 1.5-2.0 parts by weight of an antiozonant, (a8) 3-4 parts by weight of sulfur, and (a9) 1.4-1.8 parts by weight of a vulcanization accelerator; and (B) 10-15 parts by weight of a modified polyphenylene ether.
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