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Morphologies of Melt-spun Asymmetric Poly (4-methyl-1-pentene) Hollow Fiber Membranes
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http://www.polymer.cnt//ss/wangjianli/publicationsshow_1912.html

Free volume and crystallinity of poly(ethylene naphthalate) treated in pressurized carbon dioxide
The free volume and crystallization behaviour of poly(ethylene naphthalate) (PEN) treated in pressurized carbon dioxide was studied, using Positron Annihilation Lifetime Spectroscopy (PALS) and Differential Scanning Calorimetry (DSC). PALS probes the values of free volume cavity sizes in materials, thus making it possible to investigate the effect of pressurized carbon dioxide treatment on free vo...
http://www.polymer.cnt//ss/yuj/publicationsshow_1901.html

The broadened and red-shifted photoluminescence spectral emission of poly(N-vinylcarbazole) nanoparticles
Poly(N-vinylcarbazole) (PVK) nanoparticles have been prepared from tetrahydrofuran solutions with different concentrations via a reprecipitation method. The emission properties of the PVK nanoparticles are obviously different from those of the PVK solution and film. The photoluminescence (PL) spectra of the PVK nanoparticles become wide and red shift by comparison with those of the PVK solution an...
http://www.polymer.cnt//ss/kongfan/publicationsshow_1856.html

New improved thermosets obtained from DGEBA and a hyperbranched poly(ester-amide)
The influence on the curing process of a commercial hydroxy-functionalized hyperbranched poly(ester-amide) (HBP) Hybrane (R) S1200 on diglycidylether of bisphenol A (DGEBA) was studied. By Differential Scanning Calorimetry (DSC) and Fourier Transform Infrared Spectroscopy (FTIR) the curing reaction was studied and the covalent incorporation of the modifier in the matrix was proved. By Thermomechan...
http://www.polymer.cnt//ss/yuyingfeng/publicationsshow_1834.html

Phase morphology and mechanical properties of a poly(ether sulfone)-modified bismaleimide resin.
The polymerization-induced phase-separation behavior of a thermoplastic [poly(ether sulfone) (PES)]-modified thermosetting bismaleimide resin during isothermal curing was investigated with differential scanning calorimetry, time-resolved light scattering, and scanning electron microscopy with various contents and molecular weights of PES. The results suggested that the phase structure changed from...
http://www.polymer.cnt//ss/yuyingfeng/publicationsshow_1817.html

Morphology and mechanical properties of poly (ether-imide)-modified polycyanurates.
A high temperature thermosetting bisphenol A dicyanate (BADCy) was modified with a novel thermoplastic poly(ether-imide) (PEI) at various compositions. Fourier transform infrared spectroscopy was used to measure the conversion of BADCy. Curing kinetics of the BADCy/PEI blend were studied by the dynamic differential scanning calorimeter method. Morphologies of PEI-modified polycyanurates were...
http://www.polymer.cnt//ss/yuyingfeng/publicationsshow_1809.html

Studies on the phase separation of poly(ether imide)-modified cyanate ester resin.
A high temperature thermosetting bisphenol-A dicyanate (BADCy) was blended with a novel thermoplastic poly(ether imide) (PEI) at various composition. The phase separation behavior during isothermal curing was studied by differential scanning calorimeter (DSC), time-resolved light scattering (TRLS), scanning electron microscopy (SEM), and theological measurements. The results suggested that the pha...
http://www.polymer.cnt//ss/yuyingfeng/publicationsshow_1797.html

Synthesis and characterization of new precursor polymers of poly[2-methoxy-5-(4-bromobutoxy)phenylene vinylene
Two kinds of novel water soluble polyelectrolyte and organic soluble precursor polymers of poly(phenylene vinylene) with bromine substituted side chain were synthesized from tri-sulfonium salt monomer. The results showed that the sulfonium salt on the butoxy substituted side chain did not take part in the polymerization, thus the organic soluble precursor can be obtained at proper condition. Prima...
http://www.polymer.cnt//ss/yuyingfeng/publicationsshow_1786.html

Molecular weight distribution of poly(methyl methacrylate) produced in a starved feed reactor
A starved feed reactor (SFR) is a semi-batch polymerization reactor where initiator and monomer are fed slowly into a fixed amount of solvent. The polymerization is carried out isothermally at elevated temperatures. The added initiator decomposes instantaneously and the added monomer polymerizes immediately. The molecular weight (MW) and the molecular weight distribution(MWD) of the polymer can be...
http://www.polymer.cnt//ss/caoguiping/publicationsshow_1672.html

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