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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
Source PublicationJOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
Volume50Issue:4Pages:688-703
Corresponding Author[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
SubtypeArticle
AbstractNanometer 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.
Keywordchitosan free volume shell particles strength
Subject AreaPolymer Science
DOI10.1080/00222341003784980
URL查看原文
Indexed BySCI ; ADS
Language英语
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000287498600005
ADS Bibcode2011JMSB...50..688Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2011JMSB...50..688Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2011JMSB...50..688Z/citations
Citation statistics
Cited Times:1 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/238272
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
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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