| 摘要 |
<p>A bladder shell for inflatable balls having at least a layer each of compounded synthetic latex having thickness of from 0.1 mm to 2.00 mm and compounded natural rubber latex having thickness of from 0.1 mm to 2.00 mm or at least a layer of blended synthetic latex and natural rubber latex compounded with anti-oxidant, activators, accelerators, thickening and wetting agents, stabilizers etc. to form a low air permeability and high bounce bladder shell having thickness of between 0.25 mm to 3.0 mm. The present invention also resides in the process for the preparation of the bladder shell comprising formation of at least a layer of compounded natural rubber latex and compounded synthetic latex each by dipping the former in not only compounded natural rubber latex bath but also in the compounded synthetic latex bath. In an another embodiment, the process comprises dipping the former in the bath comprising blended compounded natural rubber latex and compounded synthetic latex.</p> |
