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| N,N-二乙基胺乙基取代瓜尔胶的合成及结构表征 | |
| 引用本文： | 邓明宇,周利英,宋建锋,孙雪莲,何建平,尹恒,叶应庆.N,N-二乙基胺乙基取代瓜尔胶的合成及结构表征[J].化学研究与应用,2012,24(5):695-699. |
| 作者姓名： | 邓明宇 周利英 宋建锋 孙雪莲 何建平 尹恒 叶应庆 |
| 作者单位： | 1. 中国石油化学昆山公司,江苏昆山 215300;苏州大学材化部,江苏苏州 215123 2. 中国石油化学昆山公司,江苏昆山 215300;昆山出入境检验检疫局,江苏昆山 215300 3. 中国石油化学昆山公司,江苏昆山,215300 |
| 基金项目： | 江苏省自然科学基金资助项目 |
| 摘 要： | 在碱催化条件下,利用N,N-二乙基氯乙胺盐酸盐与瓜尔胶和羟丙基瓜尔胶一步法合成得到N,N-二乙基胺乙基瓜尔胶和N,N-二乙基胺乙基羟丙基瓜尔胶。结果显示合成过程中温度、反应时间、羟丙基取代度及溶剂等因素对产品分子量和N,N-二乙基胺乙基取代度有影响。通过红外光谱和核磁法对N,N-二乙基胺乙基瓜尔胶和羟丙基N,N-二乙基胺乙基瓜尔胶的分子结构进行了分析,并通过碳谱对N,N-二乙基胺乙基在瓜尔胶分子链中糖环上的取代分布进行了分析。 |
| 关 键 词： | 瓜尔胶 胺基 取代分布 分子量 |
Synthesis and structural characterization of N, N-diethylaminoethyl guar gum |
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| DENG Ming-yu , ZHOU Li-ying , SONG Jian-feng , HE Jian-ping , SUN Xue-lian , YIN Hen , YE Ying-qin.Synthesis and structural characterization of N, N-diethylaminoethyl guar gum[J].Chemical Research and Application,2012,24(5):695-699. | |
| Authors: | DENG Ming-yu ZHOU Li-ying SONG Jian-feng HE Jian-ping SUN Xue-lian YIN Hen YE Ying-qin |
| Institution: | DENG Ming-yu1,2*,ZHOU Li-ying1,3,SONG Jian-feng1,HE Jian-ping1,SUN Xue-lian1,YIN Hen1,YE Ying-qin1(1.China Petroleum and Chemical Corporation,Kunshan Company,Kunshan,Jiangsu,215300,China; 2.College of Chemistry,Chemical Engineering and Materials Science,Suzhou,Jiangsu,215123,China; 3.Kunshan Entry-exit Inspection and Quarantine Bureau,Kunshan,Jiangsu,215300,China) |
| Abstract: | In the base-catalyzed conditions,N,N-diethylaminoethyl guar gum and N,N-diethyl amino ethyl hydroxypropyl guar gum were synthesized by one-step process.On the basis of investigation on reaction factors such as the reaction temperature,the reaction time,MS of HPG and solvent on the molecular weight of products and MS of N,N-diethylamido ethyl,the proper synthetic condition was obtained.Using NMR analysis technique,MS and DS of N,N-diethylamino ethyl guar gum and N,N-diethylamino ethyl hydroxypropyl guar gum were determined. |
| Keywords: | guar gum amino group DS molecular weight |
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