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Measuring the thermophysical properties of porous fibrous materials with a new unsteady-state method
In this article, the authors first introduced a theoretical model dealing with unsteady-state heat conduction in porous fabric to assess the effects due to local convection during the testing. A few important issues are analyzed including the criterion for local thermal equilibrium in the fibrous materials and the confidence time region (t min–t max) during measuring process. The influence due to...
http://www.polymer.cn//ss/qulijun/publicationsshow_8893.html |
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Antibacterial and Biofilm-Disrupting Coatings from Resin Acid- Derived Materials
We report antibacterial, antibiofilm, and biocompatible properties of surface-immobilized, quaternary ammonium-containing, resin acid-derived compounds and polycations that are known to be efficient antimicrobial agents with minimum toxicities to mammalian cells. Surface immobilization was carried out by the employment of two robust, efficient chemical methods: Copp...
http://www.polymer.cn//ss/yanyi/publicationsshow_8642.html |
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Assembly of Magnetic Nanospheres into One-Dimensional Nanostructured Carbon Hybrid Materials
The synthesis and characterization of carbon-coated ferromagnetic nanoparticles that organize into 1-D assemblies of micrometer-sized ferromagnetic chains is described. A controlled aromatization and carbonization of glucose under hydrothermal reaction conditions enabled the preparation of carbonaceous surfactants that were used as shells for the coating of ferromagnetic Fe3O4 nanos...
http://www.polymer.cn//ss/lishenghai/publicationsshow_8618.html |
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Fabrication of Superhydrophobic Cellulose-Based Materials through a Solution-Immersion Process
An industrial waterproof reagent [(potassium methyl siliconate) (PMS)] was used for fabricating a superhydrophobic surface on a cellulose-based material (cotton fabric or paper) through a solution-immersion method. This method involves a hydrogen bond assembly and a polycondensation process. The silanol, which was formed by a reaction
of PMS aqueous solution with CO2, was assembled on th...
http://www.polymer.cn//ss/lishenghai/publicationsshow_8609.html |
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Advanced Materials, 2009, 21, 1830-1834. Bioinspired Degradable Substrates with Extreme Wettability Properties
Robust superhydrophobic poly(L-lactic acid) (PLLA) substrates are prepared using a new phase-separation-based method. The wettability of the surfaces can be controlled in the range from superhydrophobic to superhydrophilic using argon-plasma treatment. The figure shows water droplets with different contact angles on differently modified PLLA surfaces superimposed on a SEM image of a rough s...
http://www.polymer.cn//ss/songwenlong/publicationsshow_8512.html |
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Magnetic dendritic materials for highly efficient adsorption of dyes and drugs
A versatile and robust adsorbent with both magnetic property and very high adsorption capacity is presented on the basis of functionalization of iron oxide-silica magnetic particles with carboxylic hyperbranched polyglycerol (Fe(3)O(4)/SiO(2)/HPG-COOH). The structure of the resulting product was confirmed by Fourier transform infrared (FTIR) spectra, thermo gravimetric analysis (TGA), zeta-potenti...
http://www.polymer.cn//ss/zhouli/publicationsshow_8258.html |
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Surface zwitterionically functionalized PVA-co-PE nanofiber materials by click chemistry
Antifouling nanofibers with zwitterionic materials on surfaces that can prevent the nonspecific adhesion of
biomolecules and microorganism are in demand for high efficiency biosensors and affinity membranes. The
functionalization of zwitterionic sulfobetaine on surfaces of PVA-co-PE nanofiber membrane via click
chemistry is performed employing two synthesis routes and reported in this paper. PVA-c...
http://www.polymer.cn//ss/wangdongjiaoshou/publicationsshow_8157.html |
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Polymeric nanoporous materials fabricated with supercritical CO2 and CO2-expanded liquids
Both academia and industries have put great efforts into developing non-destructive technologies for the fabrication of polymeric nanoporous materials. Such non-destructive technologies developed with supercritical CO2 (scCO2) and CO2-expanded liquids (CXLs) have been attracting more and more attention because they have been demonstrated to be green and effective media for porous po...
http://www.polymer.cn//ss/lilei/publicationsshow_8118.html |
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Present Status and Applications of Bacterial Cellulose-based Materials for Skin Tissue Repair
Abstract
Bacterial cellulose (BC, also known as microbial cellulose, MC) is a promising natural polymer which is biosynthesized by certain bacteria. This review focused on BC-based materials which can be utilized for skin tissue repair. Firstly, it is illustrated that BC has unique structural and mechanical properties as compared with higher plant cellulose, and is thus expected to become a c...
http://www.polymer.cn//ss/yangguang/publicationsshow_7671.html |
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The Tribological Properties of Poly(p-phenylene benzobisoxazole) Pulp Reinforced Friction Materials
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http://www.polymer.cn//ss/liuxiaoyun/publicationsshow_7562.html |
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