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Preparation and Characterization of a Novel Composite of Chitosan/Shell Particles
Zeng, MF; Zhang, X; Lu, CY; Qi, CZ; Wang, BY; Wang BY(王宝义)
2011
发表期刊JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
卷号50期号:4页码:688-703
通讯作者[Zeng, Minfeng ; Zhang, Xin ; Lu, Cuiyun ; Qi, Chenze] Shaoxing Univ, Inst Appl Chem, Shaoxing 312000, Peoples R China ; [Wang, Baoyi] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
摘要Nanometer sized (mean size: 433.9 nm) pearl shell particles (SP) were prepared with a ball mill. Thermal analysis and Fourier transform infrared (FTIR) results proved that the SP contained mainly CaCO(3) (about 95%) and a small organic phase (about 5%). Novel biodegradable composites based upon chitosan (CS) and SPs were prepared using an in situ precipitation method. The organic components of SP are highly compatible with both CS and glutaraldehyde (GA). The strength and modulus of CS gel rods, prepared by coagulation of a CS/SP/GA solution in NaOH, in both the dry and wet state, were improved remarkably with addition of appropriate amounts of SP together with GA. For example, with a composition of 3% SP and 0.3% GA added, the strength and modulus were 42.9 MPa and 1.41 GPa, increasing 75 and 464% compared with CS alone, respectively. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) results showed that GA acts as not only a crosslinking agent for CS, but also a compatibilizer for CS and SP. It was found that the modified rods have smaller free volume size but nearly the same free volume fraction as pure CS rods. The good interfacial adhesion and more compact microstructure can sensitively reflect the changes in the free volume of the composites.
文章类型Article
关键词chitosan free volume shell particles strength
学科领域Polymer Science
研究领域[WOS]Polymer Science
DOI10.1080/00222341003784980
URL查看原文
语种英语
WOS类目Polymer Science
WOS记录号WOS:000287498600005
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238272
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zeng, MF,Zhang, X,Lu, CY,et al. Preparation and Characterization of a Novel Composite of Chitosan/Shell Particles[J]. JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS,2011,50(4):688-703.
APA Zeng, MF,Zhang, X,Lu, CY,Qi, CZ,Wang, BY,&王宝义.(2011).Preparation and Characterization of a Novel Composite of Chitosan/Shell Particles.JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS,50(4),688-703.
MLA Zeng, MF,et al."Preparation and Characterization of a Novel Composite of Chitosan/Shell Particles".JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS 50.4(2011):688-703.
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