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	Surface nano-particle coating of fly ash
	Yang, Y.F. ; Gai, G.S. ; Hao, X.Y. ; Chen, Q.R.
	2010-05-10 ; 2010-05-10
关键词	Experimental/ coatings composite materials fly ash nanoparticles polymers surface morphology/ surface nanoparticle coating purified fly ash wet-collected fly ash composite fly ash mechanical properties polyethylene CFA/PE composites PFA/PE composites surface morphology polymer matrix Ca(OH)/sub 2/-H/sub 2/O-CO/sub 2// A8120T Preparation of reinforced polymers and polymer-based composites A6146 Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials A6820 Solid surface structure/ CaOHH2OCO2/ss CO/ss Ca/ss H2/ss O2/ss OH/ss C/ss H/ss O/ss
中文摘要	The purpose of the work is to investigate the problems associated with utilization of purified fly ash (PFA) as filler in polymer. The goal is to expand the application field of fly ash. The wet-collected fly ash used in this study was sampled from Huaneng Dezhou Power Plant. Preparation of PFA and composite fly ash (CFA) with nano-structured surface was described in detail. Experimental results show that CFA with rough surface and high whiteness-value had successfully been prepared in Ca(OH)/sub 2/-H/sub 2/O-CO/sub 2/ system. The specific surface area of CFA was thrice or above higher than that of PFA with 2.86 m/sub 2/ middot g/sup -1/. The whiteness-value of CFA was increased to the range from 63.67 to 73.13 which is more double than that of PFA with 33.54. Filling tests show that the mechanical properties of CFA/PE (polyethylene) composites are superior to these of PFA/PE composites at the same filling ratio of 30/100. This means that change of CFA surface morphology increases contacting opportunities between CFA and polymer matrix and improve the matching state between them when CFA is blended with PE. The results show that CFA as filler appears to have good application, and yet, little serious research has been conducted in the field.
语种	英语 ; 英语
出版者	Trans Tech Publications ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21841]
专题	清华大学
推荐引用方式 GB/T 7714	Yang, Y.F.,Gai, G.S.,Hao, X.Y.,et al. Surface nano-particle coating of fly ash[J],2010, 2010.
APA	Yang, Y.F.,Gai, G.S.,Hao, X.Y.,&Chen, Q.R..(2010).Surface nano-particle coating of fly ash..
MLA	Yang, Y.F.,et al."Surface nano-particle coating of fly ash".(2010).

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