全钢子午线轮胎胎面基部胶配方的改进

对全钢子午线轮胎胎面基部胶配方进行改进。通过采用抗撕裂性能好的炭黑N326/白炭黑并用体系替代炭黑N375/N660并用体系,增添热稳定剂HS-80,胎面基部胶的抗硫化返原性能改善,撕裂强度明显提高,硬度和定伸应力增大;胎面采用全分层结构,胎面基部胶厚度加大至6mm,成品轮胎的耐久性能提高,退赔率减小。

Improvement of Tread Base Compound Formulation for All-steel Radial Tire

The formulation of tread base compounds for all-steel radial tire was improved by using carbon black N326/silica instead of N375/N660, and adding heat stabilizer HS-80. The anti-reversion property of the rubber compound was improved, the tear strength was significantly increased, and the hardness and modulus were also increased. By using laminated tread and increasing the thickness of the tread base to 6 mm, the durability of the finished tire was improved and the return rate was reduced .