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Macromolecular aggregation of aqueous polyacrylic acid in the presence of surfactants revealed by resonance Rayleigh scattering.
Macromolecular aggregation of aqueous polyacrylic acid in the presence of surfactants revealed by resonance Rayleigh scattering
http://www.polymer.cn//ss/liyunbo/publicationsshow_3490.html |
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Water-Soluble Starlike Poly(acrylic acid) Graft Polymer: Preparation and Application as Templates for Silver Nanoclusters
Water-soluble starlike polymers containing concentrated carboxyl groups were conveniently synthesized via the combination of “click” chemistry and atom transfer radical polymerization (ATRP). The starlike polymer was composed of a shorter polyacrylate main chain and longer poly(acrylic acid) side chains. Alkyne and azide groups were introduced to the structure units of the main chain b...
http://www.polymer.cn//ss/yumm/publicationsshow_3487.html |
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“Lamellar Orientation and Crystallization Dynamics of Poly (L-lactic acid) thin Films Investigated by In-Situ Reflection Absorption Infrared Spectroscopy”
In situ reflection–absorption infrared (RAIR) spectroscopy was used to investigate the molecular orientation and crystallization dynamics of PLLA thin films crystallized at various temperatures. The results show that the annealing temperature has significant effect on the lamellar orientation of PLLA thin films, which is confirmed by atomic force microscopy (AFM) data. It is found that edge-...
http://www.polymer.cn//ss/zhangjianming/publicationsshow_3477.html |
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“Glass transition and disorder-to-order phase transition behavior of poly(l-lactic acid) revealed by infrared spectroscopy”
A detailed analysis of the IR spectral changes of melt-quenched poly(l-lactic acid) (PLLA) sample is presented. It is found that the glass transition, cold crystallization, disorder-to-order and melting behavior of melt-quenched PLLA can be clearly revealed by choosing suitable characteristic bands and combing the 1st derivative manipulation. Of particular note, it is found that, there are c...
http://www.polymer.cn//ss/zhangjianming/publicationsshow_3471.html |
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107. Enhanced nucleation rate of polylactide in composites assisted by surface acid oxidized carbon nanotubes of different aspect ratios
Biodegradable polylactide (PLA) composites added with acid oxidized multiwalled carbon nanotubes (AMWCNTs) of two different aspect ratios (length to diameter)
were prepared by coagulation. The aspect ratios and surface structures of A-MWCNTs were characterized by TGA, Raman, and SEM measurements. The percolation thresholds for gelation in the PLA composites with A-MWCNTs of large and small aspect...
http://www.polymer.cn//ss/zhigangwang/publicationsshow_3420.html |
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106. Rheological and topological characterizations of electron beam irradiation prepared long chain branched polylactic acid
In this study, a series of linear- and long chain branched polylactic acid (PLA) samples was prepared by electron beam irradiation without or with addition of a trifunctional monomer, trimethylolpropane triacrylate (TMPTA). The chain structures of the PLA samples were characterized by size-exclusion chromatography coupled with a light scattering detector (SEC-MALLS) and shear and extensional rheol...
http://www.polymer.cn//ss/zhigangwang/publicationsshow_3197.html |
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Glycyrrhetinic acid-modified chitosan / poly(ethylene glycol) nanoparticles for liver-targeted delivery
A liver-targeted drug delivery carrier, composed of chitosan/poly(ethylene glycol)eglycyrrhetinic acid (CTS/PEGeGA) nanoparticles, was prepared by an ionic gelation process, in which glycyrrhetinic acid (GA) acted as the targeting ligand. The formation and characterization of these nanoparticles were confirmed by FT-IR, dynamic light scattering (DLS) and zeta potential measurements. The biodistrib...
http://www.polymer.cn//ss/yuanzhi/publicationsshow_3171.html |
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Acid blue AS doped polypyrrole (PPy/AS) nanomaterials with different morphologies as electrode materials for supercapacitors
Accepted Man
The polypyrrole (PPy) nanomaterials with different morphologies were prepared via
the chemical oxidative polymerization of pyrrole in the presence of acid blue AS (AS)
as the dopant and surfactant. Increasing of the feeding ratio of AS, the morphology of
the resultant acid blue AS doped polypyrrole (PPy/AS) nanomaterials changed from
nanoparticles to clusters of nanofibers and...
http://www.polymer.cn//ss/holymer/publicationsshow_3167.html |
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α-Amino Acid Containing Degradable Polymers as Functional Biomaterials: Rational Design, Synthetic Pathway, and Biomedical Applications
Currently, biomedical engineering is rapidly expanding, especially in the areas of drug delivery, gene transfer, tissue engineering, and regenerative medicine. A prerequisite for further development is the design and synthesis of novel multifunctional biomaterials that are biocompatible and biologically active, are biodegradable with a controlled degradation rate, and have tunable mechanical prope...
http://www.polymer.cn//ss/zhongzhiyuan/publicationsshow_3005.html |
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The odontogenic differentiation of human dental pulp stem cells on nanofibrous poly (L-lactic acid) scaffolds in vitro and in vivo.
The odontogenic differentiation of human dental pulp stem cells on nanofibrous poly (L-lactic acid) scaffolds in vitro and in vivo.
http://www.polymer.cn//ss/mahy/publicationsshow_2947.html |
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