Experimental and Data Fitting Guidelines for the Determination of Polymer Crystallization Kinetics

被引：66
作者：
Arpad Perez-Camargo, Ricardo [1 ]
Liu, Guo-Ming [1 ,2 ]
Wang, Du-Jin [1 ,2 ]
Muller, Alejandro J. [3 ,4 ,5 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Univ Basque Country, UPV EHU, Fac Chem, POLYMAT, Donostia San Sebastian 20018, Spain
[4] Univ Basque Country, UPV EHU, Fac Chem, Dept Polymers & Adv Mat Phys Chem & Technol, Donostia San Sebastian 20018, Spain
[5] Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain
来源：
CHINESE JOURNAL OF POLYMER SCIENCE | 2022年 / 40卷 / 06期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Isothermal crystallization; Avrami equation; Lauritzen and Hoffman theory; Thermal analysis; Step-crystallization; EQUILIBRIUM MELTING TEMPERATURE; SELF-NUCLEATION; CONFINED CRYSTALLIZATION; ISOTACTIC POLYPROPYLENE; THERMAL FRACTIONATION; MOLECULAR-WEIGHT; SEMICRYSTALLINE POLYMERS; STRUCTURAL FORMATION; INDUCTION PERIOD; FOLDED CHAINS;
D O I：
10.1007/s10118-022-2724-2
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The crystallization kinetics of semicrystalline polymers is often studied with isothermal experiments and analyzed by fitting the data with analytical expressions of the Avrami and Lauritzen and Hoffman (LH) theories. To correctly carry out the analysis, precautions in both experiments and data fitting should be taken. Here, we systematically discussed the factors that influence the validity of the crystallization kinetics study. The basic concepts and fundamentals of the Avrami and LH theories were introduced at first. Then, experimental protocols were discussed in detail. To clarify the impact of various experimental parameters, selected common polymers, i.e., polypropylene and polylactide, were studied using various experimental techniques (i.e., differential scanning calorimetry and polarized light optical microscopy). Common mistakes were simulated under conditions when non-ideal experimental parameters were applied. Furthermore, from a practical point of view, we show how to fit the experimental data to the Avrami and the LH theories, using an Origin (R) App developed by us.
引用
收藏
页码：658 / 691
页数：34
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