摘要 : Powder SBR(styrene-butadiene rubber) with high styrene content developed by CNPC Lanzhou Petrochemical Company Research Institute has been produced at a batch in Lanzhou.The product is a powdery emulsion-polymerized SBR with high ... 展开 Powder SBR(styrene-butadiene rubber) with high styrene content developed by CNPC Lanzhou Petrochemical Company Research Institute has been produced at a batch in Lanzhou.The product is a powdery emulsion-polymerized SBR with high styrene content.It has an excellent balance between low-temperature and high-temperature behav- 收起