| Role of the Confined Geometry on the Crystallization of Poly（ethylene terephthlate） Ultrathin Films |
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| 作者姓名： | YingZHANG YongLaiLU DeYahSHEN |
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| 作者单位： | StateKeyLaboratoryofPolymerPhysics＆Chemistry,JointLaboratoryofPolymerScience＆Material,InstituteofChemistry,ChineseAcademyofSciences,Beijing100080 |
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| 摘 要： | The reflection-absorption infrared (RAIR) was employed to study the crystallization kinetic of poly (ethylene terephthalate) (PET) ultrathin films. During isothermal crystallization the thinner PET film shows a slower kinetic compared with the thicker film. Moreover, the final crystallinity of films with various thickness was found decrease with thickness. The result of fitting our data to Avrami equation showed that the Avrami exponents decrease with film thickness.
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| 关 键 词： | 聚乙烯对苯二酸酯 薄膜 结晶动力学 反射-吸收红外线 |
Role of the Confined Geometry on the Crystallization of Poly(ethylene terephthlate) Ultrathin Films |
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| YingZHANG YongLaiLU DeYahSHEN.Role of the Confined Geometry on the Crystallization of Poly(ethylene terephthlate) Ultrathin Films[J].Chinese Chemical Letters,2005,16(7):987-990. |
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| Authors: | Ying ZHANG Yong Lai LU De Yan SHEN? State Key Laboratory of Polymer Physics & Chemistry Joint Laboratory of Polymer Science & Material |
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| Institution: | Ying ZHANG,Yong Lai LU,De Yan SHEN? State Key Laboratory of Polymer Physics & Chemistry,Joint Laboratory of Polymer Science & Material,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | The reflection-absorption infrared (RAIR) was employed to study the crystallization kinetic of poly (ethylene terephthalate) (PET) ultrathin films. During isothermal crystallization the thinner PET film shows a slower kinetic compared with the thicker film. Moreover, the final crystallinity of films with various thickness was found decrease with thickness. The result of fitting our data to Avrami equation showed that the Avrami exponents decrease with film thickness. |
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| Keywords: | RAIR ultrathin films crystallization |
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