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A New Facile Method for Preparation of Nylon-6 with High Crystallinity and Special Morphology
Li, Huizhen1,2; Wu, Yanjie3; Sato, Harumi4; Kong, Lei3; Zhang, Chengfeng3; Huang, Kun1; Tao, Dongliang1; Chen, Jing1; Liu, Xuexin3; Zhao, Ying3; Xu, Yizhuang1; Wu, Jinguang1; Ozaki, Yukihiro4
2009-02-24
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume42Issue:4Pages:1175-1179
AbstractIn this study, we develop a new facile method to prepare nylon-6 with special features (denoted as vp-nylon-6). The key strategy for the method is to make the crystallization of nylon-6 be performed in a slow and near-equilibrium manner by diffusing the vapor of precipitator into a nylon 6/formic acid solution at ambient temperature and pressure. Differential scanning calorimeter (DSC) and wide angle X-ray diffraction (WAXD) have demonstrated that the crystallinity and crystalline perfection of vp-nylon-6 ire significantly improved by the new method. Scanning electron microscope (SEM) observations have shown that vp-nylon-6 exhibits versatile morphological feature including ribbon, bowknot, flower, semisphere, and dumbbell which are the result of the assembly of crystalline lamellae. The crystalline lamellae occur in a discrete fashion rather than being embedded in an amorphous matrix even if concentrated nylon Solutions are used. Selected area electron diffraction (SAED) in transmission electron microscope (TEM) shows that the crystalline lamellae are composed of single crystals.
DOI10.1021/ma8019333
Indexed BySCI
Language英语
WOS IDWOS:000263429700041
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65902
Collection中国科学院化学研究所
Corresponding AuthorXu, Yizhuang
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Henan Normal Univ, Coll Chem & Environm Sci, Xinxiang 453007, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
4.Kwansei Gakuin Univ, Dept Chem, Sch Sci & Technol, Sanda 6691337, Japan
Recommended Citation
GB/T 7714
Li, Huizhen,Wu, Yanjie,Sato, Harumi,et al. A New Facile Method for Preparation of Nylon-6 with High Crystallinity and Special Morphology[J]. MACROMOLECULES,2009,42(4):1175-1179.
APA Li, Huizhen.,Wu, Yanjie.,Sato, Harumi.,Kong, Lei.,Zhang, Chengfeng.,...&Ozaki, Yukihiro.(2009).A New Facile Method for Preparation of Nylon-6 with High Crystallinity and Special Morphology.MACROMOLECULES,42(4),1175-1179.
MLA Li, Huizhen,et al."A New Facile Method for Preparation of Nylon-6 with High Crystallinity and Special Morphology".MACROMOLECULES 42.4(2009):1175-1179.
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