聚乙烯亚甲基的变角振动二维红外光谱研究
在293-393 K范围内,分别测定聚乙烯的一维红外光谱、二阶导数红外光谱、四阶导数红外光谱和去卷积红外光谱来确定聚乙烯分子结构。进一步采用二维红外光谱研究了聚乙烯亚甲基变角振动模式（δCH2）。研究发现,聚乙烯分子中存在晶区,非晶区,晶区/非晶区过渡区。随着测定温度的升高,聚乙烯分子中δCH2红外吸收强度变化快慢顺序为：1 457 cm^-1（δ（CH2）amorphous）〉1 468 cm^-1（δ（CH2）interfacial region）〉1 462 cm^-1（δ（CH2）crystalline）〉1 473 cm^-1（δ（CH2）crystalline）。此项研究显示出二维...
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| Published in | 实验室研究与探索 Vol. 34; no. 3; pp. 122 - 125 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
石家庄学院 化工学院,河北 石家庄,050035%赣南师范学院 化学与生命科学学院,江西赣州,341000
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1006-7167 |
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| Abstract | 在293-393 K范围内,分别测定聚乙烯的一维红外光谱、二阶导数红外光谱、四阶导数红外光谱和去卷积红外光谱来确定聚乙烯分子结构。进一步采用二维红外光谱研究了聚乙烯亚甲基变角振动模式（δCH2）。研究发现,聚乙烯分子中存在晶区,非晶区,晶区/非晶区过渡区。随着测定温度的升高,聚乙烯分子中δCH2红外吸收强度变化快慢顺序为：1 457 cm^-1（δ（CH2）amorphous）〉1 468 cm^-1（δ（CH2）interfacial region）〉1 462 cm^-1（δ（CH2）crystalline）〉1 473 cm^-1（δ（CH2）crystalline）。此项研究显示出二维红外光谱在高分子材料热变性分析中的重大作用。 |
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| AbstractList | 在293-393 K范围内,分别测定聚乙烯的一维红外光谱、二阶导数红外光谱、四阶导数红外光谱和去卷积红外光谱来确定聚乙烯分子结构。进一步采用二维红外光谱研究了聚乙烯亚甲基变角振动模式（δCH2）。研究发现,聚乙烯分子中存在晶区,非晶区,晶区/非晶区过渡区。随着测定温度的升高,聚乙烯分子中δCH2红外吸收强度变化快慢顺序为：1 457 cm^-1（δ（CH2）amorphous）〉1 468 cm^-1（δ（CH2）interfacial region）〉1 462 cm^-1（δ（CH2）crystalline）〉1 473 cm^-1（δ（CH2）crystalline）。此项研究显示出二维红外光谱在高分子材料热变性分析中的重大作用。 O434.3; 在293 ～393 K范围内,分别测定聚乙烯的一维红外光谱、二阶导数红外光谱、四阶导数红外光谱和去卷积红外光谱来确定聚乙烯分子结构.进一步采用二维红外光谱研究了聚乙烯亚甲基变角振动模式(δcH2).研究发现,聚乙烯分子中存在晶区,非晶区,晶区/非晶区过渡区.随着测定温度的升高,聚乙烯分子中δCH2红外吸收强度变化快慢顺序为:1 457 cm-1(δ(CH2)amorphous)＞1 468 cm-1(δ(CH2)interfacialregion)＞1 462 cm-1(δ(CH2)crystalline)＞1 473 cm-1 (δ(CH2)crystalline).此项研究显示出二维红外光谱在高分子材料热变性分析中的重大作用. |
| Author | 于宏伟 韩卫荣 周中高 顾丹丹 胡瑞省 |
| AuthorAffiliation | 石家庄学院化工学院,河北石家庄050035 赣南师范学院化学与生命科学学院,江西赣州341000 |
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| Author_FL | HU Rui-sheng YU Hong-wei HAN Wei-rong GU Dan-dan ZHONG Zhong-gao |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Two-dimensional Infrared Spectroscopy Study of Polyethylene CH2 Scissoring Bond Vibration |
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| Keywords | 二阶导数红外光谱 去卷积红外光谱 二维红外光谱 四阶导数红外光谱 second derivative infrared spectroscopy 一维红外光谱 fourth derivative infrared spectroscopy 聚乙烯 deconvolution infrared spectroscopy two-dimensional infrared spectroscopy one-dimensional infrared spectroscopy polyethylene |
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| Notes | polyethylene; one-dimensional infrared spectroscopy; second derivative infrared spectroscopy; fourth derivative infrared spectroscopy; deconvolution infrared spectroscopy; two-dimensional infrared spectroscopy YU Hong-wei, HAN Wei-rong, ZHONG Zhong-gao, GU Dan-dan, HU Rui-sheng （l. School of Chemical Engineering, Shijiazhuang University, Shijiazhuang 050055, China; 2. College of Chemistry and Life Science, Gannan Normal University, Ganzhou 341000, China） In the temperature range from 293 K to 393 K,the polyethylene molecular structure had been studied by onedimensional infrared spectroscopy,second derivative infrared spectroscopy,fourth derivative infrared spectroscopy and deconvolution infrared spectroscopy. The polyethylene CH2 scissoring bond vibration（ δCH2） was researched by twodimensional infrared spectroscopy. The ordered crystalline region,disordered amorphous region and crystal / amorphous interfacial region were found also. Two-dimensional infrared spectroscopy of polyethylene was studied to determine |
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| Publisher | 石家庄学院 化工学院,河北 石家庄,050035%赣南师范学院 化学与生命科学学院,江西赣州,341000 |
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| Title | 聚乙烯亚甲基的变角振动二维红外光谱研究 |
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