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Fabrication and characterization of carbon nanotubes grown on carbon nanofibers
关键字：carbon nanofibers; carbon nanotubes; chemical vapour deposition; electrical properties
Carbon-carbon composites were fabricated by growing carbon nanotubes (CNTs) on carbon nanofibers (CNFs) via chemical vapor deposition. The polyacrylonitrile (PAN)-based CNFs with diameters of 328±72 nm were prepared by stabilization and carboni...
http://www.polymer.cn/research/dis_info14043 |
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Investigation on Degumming of Ramie with Compound Enzymes
关键字：ramie, bio-chemical degumming, compound enzymes, degumming
The enzymatic degumming of ramie is a kind of environmental-friendly method. Compared with the chemical degumming, it shows the advantages of improving the quality of degummed ramie, lowering the pollution of the environment and r...
http://www.polymer.cn/research/dis_info11688 |
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Chemical modification, electrospinning and adsorption behaviors of poly(vinyl chloride)
关键字：Poly(vinyl chloride), N,N-diethyldithiocarbamate, substitution, grafting copolymerization，electrospinning,
The chemical substitution, electrospinning, irradiated graft copolymerization of poly(vinyl chloride) (PVC)and the cationic dye adsorption behavior of grafted PVC were studied. IR spectroscopy, thermogravimetry, size exclusion chromatography, scanning electron...
http://www.polymer.cn/research/dis_info11450 |
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Changes in the physical and chemical properties of bisphenol a poly(carbonate) during multiple processing cycles
Bisphenol A poly(carbonate) (PC) pellets used for production of 5 gallon drink water bottles were reprocessed in a twin-screw extruder for three processing cycles which simulated to those of PC bottle processing conditions. The re...
http://www.polymer.cn/research/dis_info11415 |
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Modification of PAN Carbon Fiber Precursor Using Potassium Permanganate
关键字：PAN precursor,potassium permanganate, chemical modification,oxidation, cyclization
PAN carbon fiber precursors were modified for different periods of time using potassium permanganate solution with the concentration of 5% by weight.
http://www.polymer.cn/research/dis_info11263 |
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Prediction of process-induced residual stress for laminated composites with metallic plate
关键字：residual stress; chemical shrinkage; the interface formation process
The process-induced residual stress for laminated composite with metallicplate is investigated by numerical simulation during the curing process. A twodimensionalfinite element model is used to compute process-induced residual stressof the laminated&...
http://www.polymer.cn/research/dis_info11191 |
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The Electrical Influences of Various Multiwalled Carbon Nanotubes with Plasma Modification and Chemical Oxidation in the Polymer Matrix
关键字：MWCNT
The dispersion behaviors of fillers in the polymer matrix determine the reinforcement for composites. For multiwalled carbon nanotube, it is difficult to obtainhomogeneously dispersed multiwalled carbon nanotube (MWCNT) nanocomposites because of ...
http://www.polymer.cn/research/dis_info9180 |
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Microphase Separation Polypropylene Thermoplastic Elastomer Ⅰ.Chemical Structure Made of Double-functional Bridging Agent Series
In this study, the chemical structure of the prepared MS-PTPEs was investigated by Fractional Extraction and IR Spectra analysis. The correlation between the making formula and the composition of MS-PTPEs was also studied.
http://www.polymer.cn/research/dis_info8780 |
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Cross-linking of styrene block copolymer sebs by peroxide
关键字： SEBS, chemical cross linking, DSC, FTIR
The chemical cross linking reaction of polystyrene-block-poly(ethylene-co-1-butene)- block-polystyrene three block copolymer (SEBS) was studied by DSC non-isothermal analysis and FTIR analysis. The crosslinker for SEBS was benzoperoxide (BPO). It was ...
http://www.polymer.cn/research/dis_info8330 |
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CHEMICAL MODIFICATION OF TAPIOCA STARCH WITH QUATERNARY AMMONIUM SALTS
关键字：CHEMICAL,MODIFICATION,TAPIOCA,STARCH,WITH,QUATERNARY,AMMONIUM,SALTS,
The aim of this work is to obtain chemically modified tapioca starches in order to promote hydrophobicity for their potential application as compatibilizers in polymer blends or as viscosity modifiers.
http://www.polymer.cn/research/dis_info5585 |
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