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43. [EPJ] Rapidly self-recoverable and fatigue-resistant hydrogels toughened by chemical crosslinking and hydrophobic association
Designing load-bearing hydrogels with superior toughness and stiffness are crucially important for cartilage replacement and tissue engineering. In this investigation, we report that hybrid hydrogels can simultaneously achieve high stiffness and toughness by introducing covalent and physical interactions. The chemical crosslinking can sustain hydrogel networks as a rigid component and the...
http://www.polymer.cnt//ss/ghgao/publicationsshow_11944.html |
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【Chemical Engineering Journal】Preparation of lipase/Zn3(PO4)2 hybrid nanoflower and its catalytic performance as an immobilized enzyme
A facile and rapid method is reported in this paper to prepare a novel immobilized enzyme named lipase/Zn3(PO4)2 hybrid nanoflower. The growth mechanism of the nanoflower has been studied in detail and can be described as the following four steps: crystallization and coordination, in-situ precipitation, self-assembly, size growth. Addition amount of lipase, reaction temperature and stirring...
http://www.polymer.cnt//ss/zhangqiuyu/publicationsshow_11814.html |
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【Chemical Engineering Journal】 One-step thiol-isocyanate dispersion polymerization: preparation of uniform, cross-linked and functional particles
Uniform and highly cross-linked particles with functional groups are very useful but difficult to be achieved in traditional dispersion polymerization. Herein, we develop a one-step dispersion polymerization based on thiol-isocyanate reaction to prepare such particles. This polymerization proceeds energy-efficiently at ambient temperature without additional catalyst/initiator or UV treatmen...
http://www.polymer.cnt//ss/zhangqiuyu/publicationsshow_11807.html |
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Fabrication and mechanical properties of natural rubber/waste ground rubber powders blends via a mechano-chemical method
In this paper, the rubber blends of natural rubber (NR) with waste ground rubber powders (WGRPs) have been successfully prepared by mechano-chemical activation method and influences of the amounts of WGRPs on the mechanical properties of have been systematically investigated. The results indicated that the mechano-chemical treatment helped for releasing the active agents of WGRPs and formatting ho...
http://www.polymer.cnt//ss/zhangming/publicationsshow_10565.html |
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Facile Synthesis of Mono-Dispersed Polystyrene (PS)/Ag Composite Microspheres via Modified Chemical Reduction
A modified method based on in situ chemical reduction was developed to prepare mono-dispersed polystyrene/silver (PS/Ag) composite microspheres. In this approach; mono-dispersed PS microspheres were synthesized through dispersion polymerization using poly-vinylpyrrolidone (PVP) as a dispersant at first. Then, poly-dopamine (PDA) was fabricated to functionally modify the surfaces of PS mi...
http://www.polymer.cnt//ss/zhangming/publicationsshow_10551.html |
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Flower-like zinc oxide nanorod clusters grown on spherical cellulose nanocrystals via simple chemical precipitation method
A facile chemical precipitation approach is presented to fabricate flower-like zinc oxide (ZnO) nanorod clusters by using spherical cellulose nanocrystals (SCNs, with cellulose II crystal structure) as growth substrate. Field-emission scanning electron microscopy results showed that nanohybrids (A-100/11) with flower-like ZnO nanorod clusters could be formed under strongly alkaline (pH 11) conditi...
http://www.polymer.cnt//ss/yuhouyong/publicationsshow_10519.html |
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[Polym. Chem]Autonomous Fluorescence Regulation in Responsive Polymer Systems Driven by a Chemical Oscillating Reaction
By utilizing a chemical oscillating reaction as a periodical driving source, the fluorescence in a responsive polymer system is autonomously regulated based on the reversible formation of dynamic covalent bonds.
http://www.polymer.cnt//ss/zhouhongwei/publicationsshow_10061.html |
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Extraction, chemical composition and antioxidant activity of flavonoids from Cyclocarya paliurus (Batal.) Iljinskaja leaves
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http://www.polymer.cnt//ss/jhxiencu/publicationsshow_10038.html |
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154. Synthesis of Structure-Controlled Polyborosiloxanes and Investigation on Their Viscoelastic Response to Molecular Mass of Polydimethylsiloxane Triggered by Both Chemical and Physical Interactions
A series of polyborosiloxanes (PBSs) was synthesized by mixing hydroxy-terminated polydimethylsiloxanes (PDMS) and boric acid (BA) in toluene at 120 °C. The molecular masses of selected PDMS precursors were in a wide range, covering from below up to far above the critical entanglement molecular mass of PDMS. The reaction kinetics was followed by using Fourier transform infrared (FTIR) spectrosc...
http://www.polymer.cnt//ss/zhigangwang/publicationsshow_9877.html |
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[Physical Chemistry Chemical Physics] Magnetoresistive Polyaniline-Silicon Carbide Metacomposites: Plasma Frequency Determination and High Magnetic Field Sensitivity
The Drude model modified by Debye relaxation time was introduced to determine the plasma frequency (ωp) in the surface initiated polymerization (SIP) synthesized β-silicon carbide (β-SiC)/polyaniline (PANI) metacomposites. The calculated plasma frequency for these metacomposites with different loadings of β-SiC nanoparticles was ranging from 6.11 × 104 to 1.53 × 105 rad s?1. The ...
http://www.polymer.cnt//ss/ICL_UTK/publicationsshow_9565.html |
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