摘要 |
The present invention is directed to a method of retreading a pneumatic tire, comprising the steps of: A) mixing a tire retread cushion laminate of to form a cushion compound, the tire retread cushion laminate comprising a first rubber layer, a second rubber layer, and an intermediate rubber layer disposed between the first and second rubber layers such that the first and second rubber layers do not meet; the first rubber layer comprising a sulfur donor and substantially devoid of vulcanization accelerators; the second rubber layer comprising a vulcanization accelerator and substantially devoid of sulfur donors; the intermediate rubber layer being substantially devoid of sulfur donors or vulcanization accelerators; B) applying the cushion compound to a tire carcass; and C) applying a tread portion to the cushion compound.
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