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In this paper, melamine (C 3 H 6 N 6) is modified by ionic liquid 1 - butyl - 3 –methylimidazolium hexafluorophosphate ([BMIM] PF 6) and studied of modified melamine foam retardant effect of rigid polyurethane foam. 1 Experimental 1.1 Main raw materials [BPy]PF6 (China Academy of Sciences Lanzhou Institute of Chemical Physics Centre for green chemistry); Polyisocyanate (black material), Shenyang Metro insulation plant; Polyether (including polyether polyols, water, catalysts, surfactants and other additives, etc., white material), Shenyang Metro insulation plant. 1.2 Main instruments JF-3 oxygen index determinator: NanJing Jiangning District Analytical Instrument Factory CZF-3 horizontal and vertical burning determinator: NanJing Jiangning District of Nanjing Analytical Instrument Factory; HCT-1 integrated thermal analyzer: Beijing Hengjiu Scientific Instrument; 1.3 Sample Preparation 1.3.1 Preparation of melamine modified by ionic liquid [9] A certain ionic liquid [BMIM
Next, a certain mass percentage modified melamine (relative to white materials) were weighed accurately and added to the white materials, Then poured black material into the white materials, and mix evenly.
N 2atmosphere, temperature range: 22 ~ 800℃, heating rate: 20 ℃/ min. 2 Results and discussion 2.1the effect of quantity of melamine on the oxygen index of rigid polyurethane foam Oxygen Index is an indicator for combustibility of polymer, and oxygen index method is a quantitative experimental method to measure the flame retardant properties of polymer materials.
Acknowledgements The corresponding author of this paper is Li yanwei Literature References [1]Shu ying Wu,Yun sheng Ding,Xiao min Zhang,Hai ou Tang,Long Chen,Bo xuan Li: Journal of Solid StateChemistry,Vol.181(2008),p. 2171-2177 [2]M.D.
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Acknowledgement The grants that have been received from the National Natural Science Funds of China(51405459), National Science and Technology Support Program (2011BAK15B06) , Special-Funded Program on National Key Scientific Instruments and Equipment Development (2012YQ090208) are hereby acknowledged with much gratitude.
Advanced Materials Research, 2013(631-632):837-841
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The Preparation of CaO:Dy3+, Na+ Rare Phosphor by High Sofid-state Method Su Zhaoa, Yanjun Guob, Qian Wangc , Xiaolei Lid Materials science and Engineering, Shenyang Architectural University, Shenyang, 110168, China, a:zhaosu2005@126.com, b:773658281@qq.com, c:wang.kaiq@163.com,d:2675312645@qq.com Key words:high solid-stated method ;CaO:Dy3+,Na+; phosphor Abstract: The CaO:xDy3+, yNa+ phosphors, were synthesized by high solid—state method, and the starting materials are CaCO3, Na2CO3 and Dy2O3.
[2] Guohua Chen: Rare Earth Ion Activation Long Afterglow Luminescence Materials is reviewed.
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Sichuan University: Engineering Science Edition, 2005, 37 (1):65 68 [8] Jie Liu,Hongzhou Lian,Chunshan Shi．Improvod optical photolumineseence by charge compensation in the phosphor system CaMoO4:Eu3+[J]．optical Materials,2007,29:1591—1594．

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Toward a better understanding of tool wear effect through a comparison between experiments and SPH numerical modelling of machining hard materials, International Journal of Refractory Metals and Hard Materials, Article in Press

Preparation and Thermophysical Properties of SiO2 Nanofluids YanFang Niu 1, a, WeiLlin Zhao1, b* , YuYing Gong 1, c 1School of Materials Science and Engineering, University of Jinan, Jinan 250022, China a15275315039@139.com, bmse_zhaowl@ujn.edu.cn, cgongyyjiayou@163.com Keywords: SiO2 nanofluids; Preparation; Thermophysical properties Abstract.
Ding: Powder Technology Vol. 239 (2013), p. 72-77 [5] Jie Li, Clement Kleinstreuer:International: Journal of Heat and Fluid Flow Vol. 29 (2008), p. 1221
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