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| 闪蒸气相色谱-质谱联用法鉴定硫化胶中的常用促进剂种类 |
| Identification of Accelerator in Vulcanizate by Flash Evaporation Gas Chromatography-Mass Spectrometry |
| Received:June 01, 2021 Revised:June 01, 2021 |
| DOI：10.12135/j.issn.1006-8171.2022.02.0124 |
| 中文关键词: 闪蒸法；气相色谱-质谱联用；硫化胶；噻唑类促进剂；次磺酰胺类促进剂；鉴定 |
| 英文关键词: flash evaporation method；GC-MS；vulcanizate；thiazole accelerator；sulfenamide accelerator；identify |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | GUO LIli* | Qingdao Doublestar Tire Industry Co.，Ltd | 15698145091@163.com | | LIU Li | Qingdao Doublestar Tire Industry Co.，Ltd | | | HUANG Yigang | Qingdao Doublestar Tire Industry Co.，Ltd | | | LI Chenchen | Qingdao Doublestar Tire Industry Co.，Ltd | | | GAO Xuepeng | Qingdao Doublestar Tire Industry Co.，Ltd | | | LIU Shufeng | Qingdao Doublestar Tire Industry Co.，Ltd | |
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| 中文摘要: |
| 采用闪蒸气相色谱-质谱联用法鉴定硫化胶中常用的促进剂种类。结果表明：当特征反应产物仅有苯并噻唑基团时，促进剂为MBT或MBTS；当特征反应产物除苯并噻唑外，还有叔丁胺、环己胺或二环己胺基团时，可分别判定为促进剂TBBS，CBS，DCBS或其与促进剂MBT/MBTS共存。本方法采用裂解器直接进行硫化胶样品闪蒸，分析效率高，结果准确可靠。 |
| 英文摘要: |
| The types of accelerators used in vulcanizates were identified by flash evaporation gas chromatography-mass spectrometry（GC-MS）.The results showed that when the characteristic reaction product only had benzothiazole group，the accelerator was MBT or MBTS.When the characteristic reaction products also had the groups of tert-butylamine，cyclohexamine or dicyclohexamide besides benzothiazole，it could be determined as the accelerator TBBS，CBS，DCBS or coexistence with accelerator MBT/MBTS respectively.The method was used to flash evaporation vulcanizate samples directly by a pyrolysis device，which had high efficiency and reliable results. |
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