新型硫化促进剂TBSI在丁腈橡胶中的应用研究  被引量:2

Study on Application of New Accelerator TBSI in Butadiene Acrylonitrile Rubber

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作  者:李锦山[1] 刘永军[1] 薛旭辉[1] 胡海华[1] 怀慧珍[1] 王月霞[1] 

机构地区:[1]中国石油兰州石化公司石油化工研究院,甘肃兰州730060

出  处:《特种橡胶制品》2002年第4期4-6,共3页Special Purpose Rubber Products

摘  要:研究了TBSI在丁腈橡胶中的硫化促进性能 ,并与NS ,CZ ,TMTD和DM促进剂进行了对比。结果表明 ,TBSI作NBR硫化促进剂时 ,焦烧时间长 ,硫化胶强度高 ,但硫化速度较慢。当TBSI与TMTD ,DM或M组成活化的次磺酰胺并用体系时 ,不但保证了焦烧安全性 ,缩短了正硫化时间 ,而且还进一步提高了硫化胶的 30 0 %定伸应力。经 4h过硫化反应后 ,TBSI/TMTD体系的 30 0 %定伸应力保持约 80 % ,而NS不足 6 0 %。The property of TBSI accelerator used in NBR was investigated, and compared with NS,CZ,TMTD,DM etc. The results showed that vulcanization state, scortching time of TBSI were better than that of CZ, TMTD, DM and M, but vulcanization rate was lower than that of NS. When TBSI was combined with M, DM and TMTD,the vulcanizats modulus at 300% elongation increased and the results was superior to those accelerators single. It could be consist of desirable activing benzothiazyle sulfenamide accelerate system. The ability of vulcanization reversion resistance of TBSI/TMTD was better than that of NS. After 4h over cure, their modulus at 300% elongation was retentive of about 80% and less than 60% respectively.

关 键 词:新型 硫化促进剂 TBSI 丁腈橡胶 应用研究 苯并噻唑次磺酰胺类促进剂 

分 类 号:TQ330.3[化学工程—橡胶工业]

 

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