Crystalline transition and morphology variation of polyamide 6/CaCl2   composite during the decomplexation process

doi:10.1016/j.saa.2013.06.056

CORC > 北京大学 > 化学与分子工程学院

	Crystalline transition and morphology variation of polyamide 6/CaCl2 composite during the decomplexation process
	Liu, Shaoxuan ; Zhang, Chengfeng ; Proniewicz, Edyta ; Proniewicz, Leonard M. ; Kim, Younkyoo ; Liu, Jun ; Zhao, Ying ; Xu, Yizhuang ; Wu, Jinguang
刊名	spectrochimica acta part a molecular and biomolecular spectroscopy
	2013
关键词	Polyamide 6 Polyamide 6/CaCl2 composites Crystalline transition Porous films INORGANIC SALT SYSTEMS BULK PROPERTIES NYLON-6 FIBERS LITHIUM-SALTS GAMMA-FORM ACID POLY(CAPROAMIDE) SPECTROSCOPY BEHAVIORS POLYCAPROAMIDE
DOI	10.1016/j.saa.2013.06.056
英文摘要	In this work, we developed a new method to prepare porous PA6 with different morphologic feature and crystalline forms via the decomplexation of PA6/CaCl2 composite. The structures and morphology of thus obtained materials were characterized by vibrational spectroscopy (FT-IR and Raman) and scanning electron microscope (SEM) method. When amorphous PA6/CaCl2 composite films were treated in water at room temperature, PA6 re-arranges into gamma form. However, decomplexation of the PA6/CaCl2 composite in boiling water produces PA6 in alpha crystalline form. If the PA6/CaCl2 composite is soaked in methanol, part of PA6 is dissolved or swollen in methanol/metal salt solutions. As a result, a dissolve/precipitation process occurred during the decomplexation process, which led to the formation of PA6 in alpha crystalline form. Further investigation demonstrates that the morphologies of the porous PA6 could be adjusted by using different solvents and/or different decomplexation conditions. (C) 2013 Elsevier B.V. All rights reserved.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000324152700099&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Spectroscopy; SCI(E); EI; PubMed; 5; ARTICLE; 783-788; 115
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/149782]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Liu, Shaoxuan,Zhang, Chengfeng,Proniewicz, Edyta,et al. Crystalline transition and morphology variation of polyamide 6/CaCl2 composite during the decomplexation process[J]. spectrochimica acta part a molecular and biomolecular spectroscopy,2013.
APA	Liu, Shaoxuan.,Zhang, Chengfeng.,Proniewicz, Edyta.,Proniewicz, Leonard M..,Kim, Younkyoo.,...&Wu, Jinguang.(2013).Crystalline transition and morphology variation of polyamide 6/CaCl2 composite during the decomplexation process.spectrochimica acta part a molecular and biomolecular spectroscopy.
MLA	Liu, Shaoxuan,et al."Crystalline transition and morphology variation of polyamide 6/CaCl2 composite during the decomplexation process".spectrochimica acta part a molecular and biomolecular spectroscopy (2013).