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Shape-memory and biocompatibility properties of segmented polyurethanes based on poly( L -lactide) . Frontiers of Chemistry in China, 2007, 2(4): Front. Chem. China 2007, 2(4): 331–336
A series of segmented poly(L-lactide)-polyurethanes (PLA-PUs) were synthesized by a twostep method, with oligo-poly(L-lactide) (PLA) as the soft segments and the reaction product of 2,4-toluene diisocyanate (TDI) and ethylene glycol (EG) as the hard segments. The shape-memory properties and biocompatibility of PLA-PUs
were examined. The 50% compressed PLA-PUs could recover almost 100% to their ori...
http://www.polymer.cn//ss/pbzhang/publicationsshow_7015.html |
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[Polym Chem] Visible Light Mediated Atom Transfer Radical Polymerization of Methyl Methacrylate at Ambient Temperature
Photoinduced atom transfer radical polymerization (ATRP) was achieved using a simple
household fluorescent lamp as the light source. In solution, methyl methacrylate could be polymerized to well-defined polymers, the photoinduced ATRP system did only convert monomers during irradiation and was inactive in the dark. In situ monitoring by UV-vis spectroscopy revealed the photoredox cycle between CuI...
http://www.polymer.cn//ss/chentaogroup/publicationsshow_6816.html |
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[Chem Commun] A Smart Hybrid System of Au Nanoparticles Immobilized PDMAEMA Brushes for Thermally Adjustable Catalysis
A smart hybrid system was prepared by introducing the temperature responsive PDMAEMA brushes and Au NPs to silica NPs through self-initiated photografting and photopolymerization (SIPGP) and reduction of HAuCl4. The obtained SiO2@PDMAEMA/Au hybrid system was investigated to have a thermal adjustable catalytic activity for the reduction of 4-nitrophenol.
http://www.polymer.cn//ss/chentaogroup/publicationsshow_6815.html |
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Noncovalent Method for Improving the Interaction between Reduced Graphene Oxide and Poly(ε-caprolactone), Ind. Eng. Chem. Res. 2013, 52, 15824?15828.
Bingjie Wang, Yujie Zhang,
Jianqiang Zhang, Huyan Li, Peng Chen, Zongbao
Wang*, Qun Gu*, Noncovalent Method for Improving the Interaction between Reduced
Graphene Oxide and Poly(ε-caprolactone),
Ind. Eng. Chem. Res. 2013, 52, 15824?15828.
http://www.polymer.cn//ss/wangzb/publicationsshow_5885.html |
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[Chem Commun] A Microcontacting Printing Induced Supramolecular Self-Assembled Photo Active Surface for Patterning Polymer Brushes
A facile and robust strategy for creating micropatterned polymer brushes via the combination of micro-contact printing (μCP) induced supramolecular self-assembled photo active surface with subsequent self-initiated photografting and photopolymerization (SIPGP) is reported. The results contribute to polymeric functionalization on a wide range of hydroxylated surface or graphene based materials
http://www.polymer.cn//ss/chentaogroup/publicationsshow_5862.html |
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[Chem. Commun.] Formal [4+1] annulation of α,α-dialkyl β-oxo amides and dimethylsulfoxonium methylide: a synthetic route to β-hydroxy-γ-lactams
A facile and efficient one-pot synthesis of β-hydroxy-γ-lactams from α,α-dialkyl β-oxo amides and trimethylsulfoxonium iodide in the presence of sodium hydride via a tandem Corey–Chaykovsky reaction and an intramolecular lactamization process is developed.
http://www.polymer.cn//ss/zhang_ning/publicationsshow_4910.html |
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J Mater Chem A, 2013, 1, 7100-7110: Energy-saving, Responsive Membranes with Sharp Selectivity Assembled from Micellar Nanofibers of Amphiphilic Block Copolymers
Membrane technology contributes significantly in a large number of energy- and environment-related fields in a clean and efficient way. It remains a challenge to develop advanced membranes with simultaneously high flux and sharp selectivity. Such membranes require thin selective layer, high porosity, and strong hyrophilicity. A promising strategy to fabricate such membranes is to build an integral...
http://www.polymer.cn//ss/dreiwang/publicationsshow_4576.html |
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[Org. Biomol. Chem.] [5C + 1N] Annulation of 2,4-pentadienenitriles with hydroxylamine: a synthetic route to multi-substituted 2-aminopyridines
A facile and efficient synthetic route to multi-substituted 2-aminopyridines has been developed via a formal [5C + 1N] annulation of readily available 2,4-pentadienenitriles with hydroxylamine (NH2OH) under very mild conditions, which involves sequential intermolecular aza-nucleophilic addition of hydroxylamine, intramolecular aza-cyclization, and dehydration reactions.
http://www.polymer.cn//ss/zhang_ning/publicationsshow_4366.html |
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J Mater Chem, 2012, 22, 20542-20548:Swelling-induced mesoporous block copolymer membranes with intrinsically active surfaces for size-selective separation
Block copolymers (BCPs) are receiving growing interest in the preparation of advanced membranes with regular pores due to their capability to form highly ordered, mesoscopic structures via microphase separation. We report on the fabrication of composite membranes with mesoporous amphiphilic BCPs as the size-selective layer and a macroporous membrane as the supporting layer by coating BCPs onto the...
http://www.polymer.cn//ss/dreiwang/publicationsshow_3987.html |
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[Chem. Commun.] Nucleic Acid-Mediated Gold Oxidation: Novel Biolithography for Surface Microfabrication and New Insight on Gold-Based Biomaterials
In Nature, certain organisms can perform microbial corrosion on base metals by oxidation of neutral metallic atoms (H. L. Ehrlich, Appl. Microbiol. Biotechnol., 1997). Herein we describe the first discovery of biological nucleic acids able to catalyze and mediate gold oxidation from neutral Au(0) to trivalent Au(iii) under certain oxidative environments provided by mild oxidizing reagent N-bromosu...
http://www.polymer.cn//ss/yangpeng/publicationsshow_3919.html |
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