| 曼尼希反应合成苯酚基多元醇的产物结构分析 |
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| 引用本文： | 姚旭,王景存,付志峰,韩怀强,曹欣.曼尼希反应合成苯酚基多元醇的产物结构分析[J].聚氨酯工业,2009,24(2). |
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| 作者姓名： | 姚旭 王景存 付志峰 韩怀强 曹欣 |
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| 作者单位： | 1. 北京化工大学材料科学与工程学院,100029
2. 烟台万华聚氨酯股份有限公司北京研究院,102200 |
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| 摘 要： | 以苯酚、甲醛和二乙醇胺为原料,通过曼尼希反应合成了苯酚基多元醇,利用凝胶渗透色谱和电喷雾质谱联用建立了一种苯酚基多元醇产物结构的鉴定方法.结果表明,随反应温度升高,高相对分子质量酚醛树脂类副产物增加,且每个分子都含有一个胺甲基;降低温度和提高二乙醇胺和甲醛的配比有利于副产物的降低.
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| 关 键 词： | 苯酚基多元醇 曼尼希反应 电喷雾质谱 凝胶渗透色谱 |
Structure Analysis of Phenol-based Polyol Using Mannich Reaction |
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| Yao Xu Wang Jingcun Fu Zhifeng Han Huaiqiang.Structure Analysis of Phenol-based Polyol Using Mannich Reaction[J].Polyurethane Industry,2009,24(2). |
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| Authors: | Yao Xu Wang Jingcun Fu Zhifeng Han Huaiqiang |
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| Affiliation: | 1.College of Material Science & Engineering;Beijing University of Chemical Technology;100029;China;2.Beijing Research Institute of Yantai Wanhua Polyurethanes Co.Ltd;Beijing;102200;China |
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| Abstract: | Phenol-based polyols were synthesized from phenol,formaldehyde and diethanolamine by Mannich reaction.A method of determining structure of the phenol-based polyols was estimated by gel permeation chromatography and electrospray mass spectrometry joint technique.The results showed that the content of high molecular weight by-product increased with the highter reaction temperature and each by-product molecule contained an amino metehyl group.Lower reaction temperature and higher proportion of diethanolamine a... |
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