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| 湿法白炭黑天然橡胶母胶在大型工程机械轮胎中的应用 |
| Application of Wet Silica NR Masterbatch in Giant Off-The-Road Tire |
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| DOI： |
| 中文关键词: 湿法白炭黑天然橡胶母胶；大型工程机械轮胎；胎面胶；基部胶；胎侧胶 |
| 英文关键词: wet silica NR masterbatch；giant off-the-road tire；tread compound；tread base compound；sidewall compound |
| 基金项目:2015年海南省应用技术研发与示范推广专项资助项目（ZDXM2015107） |
| 中图分类号:TQ330.38 +3；TQ332；U463.341 +.5 |
| Author Name | Affiliation | | LU Ming | Beijing Research and Design Institute of Rubber Industry | | LIN Qingqi | ChemChina Guilin Tire Co.，Ltd | | WANG Yongwei | Beijing Research and Design Institute of Rubber Industry | | DING Aiwu | Hainan Rubber Industry Group Co.，Ltd | | LI Huating | Beijing Research and Design Institute of Rubber Industry | | LI Dexin | Hainan Rubber Industry Group Co.，Ltd |
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| 中文摘要: |
| 研究湿法白炭黑天然橡胶母胶（简称湿法母胶）在大型工程机械轮胎中的应用。结果表明：在胎面胶配方中，当硫化60 min时，采用湿法母胶的硫化胶的拉断伸长率和撕裂强度增大，耐磨、抗切割及生热性能改善；在基部胶配方中，采用湿法母胶的胶料的门尼粘度降低，门尼焦烧时间延长，加工性能和焦烧安全性较好，硫化胶的撕裂强度增大；在胎侧胶配方中，采用湿法母胶的胶料门尼粘度减小，分散性改善，硫化胶的拉断伸长率减小，撕裂强度增大。 |
| 英文摘要: |
| The application of wet silica NR masterbatch（wet masterbatch in brief） in giant off-the-road tire was investigated.The results showed that，in the tread compound，when the cure time was 60 min，the elongation at break and tear strength of wet masterbatch vulcanizate were higher，the wear resistance and cutting resistance were improved，and heat build-up was reduced. In the tread base compound，the Mooney viscosity of the wet masterbatch compound was lower，the Mooney scorch time was prolonged，the processability and scorch safety were better，and the tear strength of the vulcanizate increased.In the sidewall compound，the Mooney viscosity of the wet masterbatch compound was lower，the silica dispersion was improved，the elongation at break of the vulcanizate decreased，and the tear strength increased. |
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