炭黑N330在全钢载重子午线轮胎胎体胶中的应用

研究炭黑N330在全钢载重子午线轮胎胎体胶中的应用.结果表明:在胎体胶中以炭黑N330等量替代炭黑N326,胶料的MH增大,炭黑分散性提高,硫化胶的定伸应力增大,压缩生热升高,耐屈挠性能下降;以炭黑N330减量替代炭黑N326,并适当调整硫黄用量,胶料的MH减小,炭黑分散性改善,硫化胶的撕裂强度减小,压缩生热降低,耐屈挠性能提高,成品轮胎的耐久性能达到企业标准要求.

Application of Carbon Black N330 in Carcass Ply Compound of Truck and Bus Radial Tire

The application of carbon black N330 in the carcass ply compound of truck and bus radial tire was investigated.The results showed that,by using carbon black N330 to replace carbon black N326 at equal weight in the carcass ply compound,the M_H of the compound increased,the dispersion of carbon black was improved,the modulus of the vulcanizates increased,the compression heat build up was higher,and the flexing resistance decreased.By using carbon black N330 to replace carbon black N326 but with less amount and adjusting the addition level of sulfur properly in the carcass ply compound,the M_H of the compound decreased,the dispersion of carbon black was improved,the tear strength of the vulcanizates decreased,the compression heat build up was lower,the flexing resistance was improved,and the endurance performance of the finished tire met the requirements of enterprise standards.