| 端羟基聚环氧氯丙烷酯化反应研究 |
| |
| 引用本文： | 王静刚,李俊贤,王勃.端羟基聚环氧氯丙烷酯化反应研究[J].化学推进剂与高分子材料,2008,6(4). |
| |
| 作者姓名： | 王静刚 李俊贤 王勃 |
| |
| 作者单位： | 1. 河南科技大学,河南洛阳,471003
2. 黎明化工研究院,河南洛阳,471000 |
| |
| 摘 要： | 通过端羟基聚环氧氯丙烷(PECH)的酯化,合成了端酯基PECH,用FT-IR和NMR进行了结构表征。优化了酯化反应工艺,结果表明:以乙酸酐为酯化剂,酯化剂与羟基物质的量比为1.6;N-甲基咪唑为催化剂,催化剂质量分数为3.6%;1,2-二氯乙烷为溶剂,反应温度为80℃,反应时间为0.5h,则羟基转化率为100%,收率>94.3%。
|
| 关 键 词： | 聚环氧氯丙烷 酯化 增塑剂 |
Study on Esterification of Hydroxyl-Terminated Polyepichlorohydrin |
| |
| WANG Jing-gang,LI Jun-xian,WANG Bo.Study on Esterification of Hydroxyl-Terminated Polyepichlorohydrin[J].Chemical Propellants & Polymeric Materials,2008,6(4). |
| |
| Authors: | WANG Jing-gang LI Jun-xian WANG Bo |
| |
| Abstract: | Ester-terminated polyepichlorohydrin was synthesized by esterification of hydroxyl-terminated polyepichlorohydrin and the structures were charactered by FT-IR and NMR. The optimal reaction conditions of esterification was investigated. The result shows that the conversion of hydroxyl is 100% and product yield > 94.3% when acetic anhydride is used as esterifying agent, the molar ratio of esterifying agent to hydroxy group is 1.6, N-methyl imidazole is used as esterification catalyst, the mass fraction of the catalyst is 3.6%, 1,2-dichloroethane is used as solvent, reaction temperature is 80℃, reaction time is 0.5h. |
| |
| Keywords: | polyepichlorohydrin esterification plasticizer |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
