香草醛基磷酰胺阻燃剂的分子构建与性能
TQ314.2; 首先以苯基磷酰二氯和1,10-癸二胺单体为原料,采用一步缩合法合成苯基磷酰癸二胺,然后将其分别和含单醛、双醛以及三醛基团的香草醛及其衍生物通过缩合反应分别制得含有席夫碱的香草醛基线性磷酰胺小分子(V1)、线性聚磷酰胺(V2)和支化聚磷酰胺(V3).采用傅里叶变换红外光谱、核磁共振、凝胶渗透色谱和X射线光电子能谱表征它们的结构,并采用热重分析、差示扫描量热仪研究了不同分子结构磷酰胺阻燃剂的热稳定性、热降解行为和成炭性.结果表明,分子结构和磷、氮元素含量会同时影响阻燃剂的热稳定性和成炭性.对于线性结构的阻燃剂V1和V2,其分子量对热稳定性能的影响很大,V2的热稳定性能低于V1;支...
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| Published in | 功能高分子学报 Vol. 36; no. 6; pp. 561 - 569 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国林业科学研究院林产化学工业研究所,南京 210042%南昆士兰大学未来材料中心,农业与环境科学学院,澳大利亚 Springfield 4300
01.12.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1008-9357 |
| DOI | 10.14133/j.cnki.1008-9357.20230905001 |
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| Abstract | TQ314.2; 首先以苯基磷酰二氯和1,10-癸二胺单体为原料,采用一步缩合法合成苯基磷酰癸二胺,然后将其分别和含单醛、双醛以及三醛基团的香草醛及其衍生物通过缩合反应分别制得含有席夫碱的香草醛基线性磷酰胺小分子(V1)、线性聚磷酰胺(V2)和支化聚磷酰胺(V3).采用傅里叶变换红外光谱、核磁共振、凝胶渗透色谱和X射线光电子能谱表征它们的结构,并采用热重分析、差示扫描量热仪研究了不同分子结构磷酰胺阻燃剂的热稳定性、热降解行为和成炭性.结果表明,分子结构和磷、氮元素含量会同时影响阻燃剂的热稳定性和成炭性.对于线性结构的阻燃剂V1和V2,其分子量对热稳定性能的影响很大,V2的热稳定性能低于V1;支化结构的阻燃剂V3相较于线性结构的阻燃剂成炭性能更好.此外,由于席夫碱的酸解效应,三种香草醛基阻燃剂在乙酸水溶液中分别在4、12、36 h可实现完全降解. |
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| AbstractList | TQ314.2; 首先以苯基磷酰二氯和1,10-癸二胺单体为原料,采用一步缩合法合成苯基磷酰癸二胺,然后将其分别和含单醛、双醛以及三醛基团的香草醛及其衍生物通过缩合反应分别制得含有席夫碱的香草醛基线性磷酰胺小分子(V1)、线性聚磷酰胺(V2)和支化聚磷酰胺(V3).采用傅里叶变换红外光谱、核磁共振、凝胶渗透色谱和X射线光电子能谱表征它们的结构,并采用热重分析、差示扫描量热仪研究了不同分子结构磷酰胺阻燃剂的热稳定性、热降解行为和成炭性.结果表明,分子结构和磷、氮元素含量会同时影响阻燃剂的热稳定性和成炭性.对于线性结构的阻燃剂V1和V2,其分子量对热稳定性能的影响很大,V2的热稳定性能低于V1;支化结构的阻燃剂V3相较于线性结构的阻燃剂成炭性能更好.此外,由于席夫碱的酸解效应,三种香草醛基阻燃剂在乙酸水溶液中分别在4、12、36 h可实现完全降解. |
| Abstract_FL | Phenylphosphonic dichloride and 1,10-diaminodecane monomer were used as raw materials to prepare phenylphosphonic diaminodecane by one-step condensation method.Then,vanillin and its derivatives containing monaldehyde,dialdehyde and trialdehyde group were introduced to prepare vanillin-based linear phosphoramide(V1),linear polyphosphoramide(V2)and branched polyphosphoramide(V3)containing Schiff base via condensation reaction.The structures of these three vanillin-based phosphoramide fire retardants were determined by Fourier transform infrared spectroscopy,nuclear magnetic resonance,gel permeation chromatography and X-ray photoelectron spectroscopy,and their thermal stability,thermal degradation behavior and char-forming ability were studied by thermogravimetric analysis and differential scanning calorimeter.The results show that the molecular structure and the content of phosphorus and nitrogen can both affect the thermal stability and carbonization of fire retardants simultaneously.For linear fire retardants V1 and V2,their molecular weight has a great influence on the thermal stability.When molecular weight increases,more C―C chains tend to decompose,so the thermal stability of V2 is lower than that of V1.The branched fire retardant V3 with a high degree of crosslinking has better carbonization properties than linear fire retardants.In addition,due to the acidolysis effect of Schiff base,three kinds of vanillin-based phosphoramide fire retardants can be completely degraded in acetic acid aqueous solution within 4,12 h and 36 h,respectively. |
| Author | 张猛 周永红 宋平安 薛逸娇 张天辰 |
| AuthorAffiliation | 中国林业科学研究院林产化学工业研究所,南京 210042%南昆士兰大学未来材料中心,农业与环境科学学院,澳大利亚 Springfield 4300 |
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| Author_FL | ZHANG Tianchen SONG Pingan ZHOU Yonghong XUE Yijiao ZHANG Meng |
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| Keywords | fire retardant degradation property 阻燃剂 热稳定性 降解性能 结构-性能关系 香草醛 thermal stability vanillin structure-property relationship |
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| Title | 香草醛基磷酰胺阻燃剂的分子构建与性能 |
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