Low dynamic-static ratio rubber material and its preparation method and suspension structure
A technology of dynamic-to-static ratio and sizing material, which is applied to the suspension structure applying the sizing material, low dynamic-to-static ratio sizing material, and the preparation field of the above-mentioned sizing material, can solve the problem that there is no suitable low-dynamic-to-static ratio sizing material product, low dynamic-to-static ratio, etc. problem, to reduce the dynamic-to-static ratio, improve the dispersion, and improve the effect of bonding
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[0045] When the low-dynamic-to-static ratio rubber compound of the present embodiment is prepared, it adopts a two-stage rubber mixing process, and the preparation method includes the following steps:
[0046] Step a, A-stage rubber mixing: put natural rubber and terminal carbon black modified cis-butadiene rubber into an internal mixer and mix for 55-65s, for example, 60s, and then add zinc oxide, zinc 2-ethylhexanoate, and anti-aging agent. 6PPD, antioxidant S-TMQ, paraffin, high flash point paraffin oil are mixed for 115-125s, such as 120s, continue to add carbon black and coupling agent and mix for 235-245s, such as 240s to 130-150℃, such as 140℃ Discharge the glue, and then enter the open mill to produce pieces.
[0047] Step b, B-stage rubber mixing: put the A-stage rubber into the internal mixer for 55-65s, for example, 60s, and then add sulfur and accelerator for mixing for 235-245s, for example, 240s, and control the temperature of the rubber material within 110°C ( ...
preparation example
[0048] Using the above preparation method, a plurality of specific preparation examples of sizing materials are carried out, and the weight parts of each sizing material constituent components in each preparation example are shown in the following table. Wherein, corresponding to each preparation example, the following table also provides the composition of a comparative example for effect comparison, and the high cis-butadiene rubber used still adopts the rubber product of Japan Zeon Company. The test results of each preparation example and the rubber compound prepared by the comparative example are still listed in the following table.
[0049]
[0050]
[0051] It can be seen from the above table that using the raw material components and parts by weight of this embodiment, the prepared rubber compound has a lower dynamic-to-static ratio, which can meet the performance requirements of the rubber suspension, vibration reduction and vibration isolation, And can be used a...
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