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Halogen-Free Flame-Retardant Waterborne Polyurethane with a Novel Cyclic Structure of Phosphorus-Nitrogen Synergistic Flame Retardant
A novel phosphorus-nitrogen flame retardant, octahydro-2,7-di(N,N-dimethylamino)-1,6,3,8,2,7-dioxadiazadiphosphecine (ODDP), with bi-phosphonyl in a cyclic compd., was synthesized by the reaction of POCl3, NH(CH3)2·HCl with OHCH2CH2NH2 in CH2Cl2 soln., and characterized by Fourier transform IR spectrometer, NMR, and mass spectrum. ODDP has been successfully reacted with polyurethane (PU) as...
http://www.polymer.cnt//ss/huangmuhua/publicationsshow_8132.html |
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Char barrier effect of graphene nanoplatelets on the flame retardancy and thermal stability of high-density polyethylene flame-retarded by brominated polystyrene
Char barrier effect of graphene nanoplatelets (GNPs) on the flame retardancy and thermal stability of high-density polyethylene (HDPE) flame-retarded by brominated polystyrene (BPS) and antimony oxide (Sb2O3) was investigated. Thermogravimetric (TG) analysis, limited oxygen index (LOI) and vertical burning test (UL-94) showed that the presence of GNPs led to enhanced thermal oxidation stability an...
http://www.polymer.cnt//ss/zpfang/publicationsshow_7883.html |
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Flame-retardancy and anti-dripping effects of intumescent flame retardant incorporating montmorillonite on poly(lactic acid)
In the present study, the effects of intumescent flame retardant (IFR) incorporating organically modified montmorillonite (O-MMT) on the flame retardancy and melt stability of PLA were investigated. The flame-retardant PLA was prepared using a twin-screw extruder and a two roll mill. Then, the influence of IFR and MMT on flame retardancy and
melt stability was thoroughly investigated by means of l...
http://www.polymer.cnt//ss/taoyu/publicationsshow_7207.html |
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Cross-linking of a novel reactive polymeric intumescent flame retardant to ABS copolymer and its flame retardancy properties,
A reactive polymeric intumescent flame retardant (PDSPB) was synthesized and applied into ABS resin by two methods: direct melt blends of ABS and PDSPB (ABS/PDSPB) and melt cross-linking of PDSPB to ABS (ABS-c-PDSPB). The cross-linking reaction was characterized by FTIR. The thermal stability, flame retardancy, carbonization chemistry, dynamic mechanical properties and flame retardant mechanism we...
http://www.polymer.cnt//ss/zpfang/publicationsshow_4359.html |
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Effects of carbon nanotubes on thermal stability and flame retardancy of intumescent flame retarded PP
Flame retardant mixtures of carbon nanotubes (CNTs) and intumescent flame retardant (IFR) were embedded in polypropylene (PP) to investigate what will happen if the additives exhibit two different flame retardation mechanisms. TEM tests showed that CNTs dispersed homogenously in PP matrix without any visible agglomeration. The effects of CNTs on thermal stability and flammability of PP were invest...
http://www.polymer.cnt//ss/zpfang/publicationsshow_3418.html |
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How do nano-fillers affect thermal stability and flame retardancy of intumescent flame retarded polypropylene
Recent advances in ?ame retardant polymers have centered on the ?ame retardancy of nano-fillers contained polymer nanocomposites. Among which, organo-clay (OMMT), layered double hydroxides (LDH), polyhedral oligomeric silsesquioxane (POSS) and carbon nanotubes (CNTs) have been reported and proved to be effective flame retardants for variable polymers. In this paper, a systematical study was execut...
http://www.polymer.cnt//ss/zpfang/publicationsshow_3213.html |
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Flame retardant mechanism of organoclay and its effect on the thermal, mechanical and rheological properties of intumescent flame retarded polypropylene
B. Du, Z. Guo, P. Song, H. Liu, Z. FANG*, Y. Wu. Flame retardant mechanism of organoclay and its effect on the thermal, mechanical and rheological properties of intumescent flame retarded polypropylene, Applied Clay Science, 2009.7, 45(3): 178-184
http://www.polymer.cnt//ss/zpfang/publicationsshow_1203.html |
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Flame retardant wrapped carbon nanotubes for simultaneously improving the flame retardancy and mechanical properties of polypropylene
P. Song, L. Xu, Z. Guo, Y. Zhang, Z. Fang*. J. Mater. Chem., 2008, 18, 5083-5091
http://www.polymer.cnt//ss/zpfang/publicationsshow_800.html |
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Preparation of flame retardant-loaded halloysite nanotubes for novel smart polycarbonate nanocomposites
Halloysite nanotubes (HNTs) is a naturally occurring hollow cylinders with a lumen of 15nm, anouter diameter of about 50 nm and a length of 0.5-1μm.1 Recent studies have shown that HNTs have the capacityto encase and re...
http://www.polymer.cn/research/sy_info14757 |
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STUDIES ON FLAME RETARDANT POLYMERIC COMPOSITES BY XPS (X-RAY PHOTOELECTRON SPECTROSCOPY)
STUDIES ON FLAME RETARDANT POLYMERIC COMPOSITES BY XPS (X-RAY PHOTOELECTRON SPECTROSCOPY)
http://www.polymer.cn/research/ct_info837 |
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