Real-time AFM study of lamellar growth of semi-crystalline polymers
Luo, YH; Jiang, Y; Jin, XG; Li, L; Chan, CM
AbstractAtomic force microscopy (AFM) has been used to study the lamellar development during the crystallization and melting processes of poly(bisphenol A-co-alkyl ether) (BA-Cn) films. High-resolution and real-time AFM phase imaging enables us to observe the detailed growth process of the lamellae. At the early stage of the lamellar growth, embryos appeared firstly and some disappeared on the film surface after a period of time. The stable embryo developed into a single lamella. Then the lamella developed into a lamellar sheaf through branching and splaying. Our results revealed that the branches of the lamellae were formed by induced nucleation and it was also dependent on the crystallization temperature. Real-time AFM study of the melting, recrystallization and remelting processes of lamellae indicated that the thermal stability of different segments of a single lamella is different and that the thermal stability of the different lamellae is also different even if they develop at the same annealing temperature. The orientation and the development of the lamellae at the characteristic eyes and boundaries of the spherulites are observed in details.
Indexed ByISTP ; SCI
WOS IDWOS:000182798000024
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorChan, CM
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Luo, YH,Jiang, Y,Jin, XG,et al. Real-time AFM study of lamellar growth of semi-crystalline polymers[J]. MACROMOLECULAR SYMPOSIA,2003,192:271-279.
APA Luo, YH,Jiang, Y,Jin, XG,Li, L,&Chan, CM.(2003).Real-time AFM study of lamellar growth of semi-crystalline polymers.MACROMOLECULAR SYMPOSIA,192,271-279.
MLA Luo, YH,et al."Real-time AFM study of lamellar growth of semi-crystalline polymers".MACROMOLECULAR SYMPOSIA 192(2003):271-279.
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