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Stable self-assembly multilayler films of diazo resin and poly(maleic anhydride-co-styrene)
Diazo resin (DR) and poly(maleic anhydride-co-styrene) (PMS) can form a charge-transfer complex in methanol. A multilayer film was fabricated successfully from DR and PMS based on the charge-transfer interaction. After UV irradiation, the stability of the film toward polar solvents increases significantly due to the formation of covalent bonds between DR and PMS.
http://www.polymer.cnt//ss/zhangyongjun/publicationsshow_3287.html

Tetrahedral Co(II) Coordination in a-type Cobalt Hydroxide: Rietveld Refinement and X-ray Absorption Spectroscopy
We report a Rietveld refinement analysis and X-ray absorption study on a green-color Cl--intercalated R-type cobalt hydroxide phase. The refinement clearly demonstrated that one-fifth to one-sixth of the Co(II) at octahedral sites was replaced by pairs of tetrahedrally coordinated Co(II) on each side of the hydroxide plane, represented by a structural formula of [Coocta0.828Cotetra0.348(OH)2]0.348...
http://www.polymer.cnt//ss/liuzhaoping/publicationsshow_2849.html

Heterogeneous catalytic aerobic oxidation behavior of Co–Na heterodinuclear polymeric complex of Salen-crown ether
A new kind of Co–Na heterodinuclear polymer complex based on Salen Schiff base and crown ether has been successfully prepared by condensation polymerization. Its catalytic behavior for aerobic oxidation of cyclohexene, alkylbenzenes and linear aliphatic olefins was studied in the absence of any solvents or reducing agents under mild conditions. The oxidation of cyclohexene catalyzed by the a...
http://www.polymer.cnt//ss/wangrongmin/publicationsshow_2611.html

Preparation of Co-Na Heterobinuclear Polymeric Complex of Salen-Crown Ether and its Catalytic Activation for Molecular Oxygen
The Co-Na heterobinuclear polymer complex based on Salen Schiff base and crown ether have been prepared by a method of interfacial polymerization without the presence of a phase transfer catalyst. The catalytic behavior of the Co-Na heterobinuclear polymer complex in aerobic oxidation of cyclohexene has been studied.
http://www.polymer.cnt//ss/wangrongmin/publicationsshow_2607.html

Synthesis and photocatalytic oxidation properties of Co(II)-tetra-[4-(p-toluene-sulfonyloxy) phenyl] porphyrin
A meso-tetra-[4-( p-toluene-sulfonyloxy)phenyl] porphyrin (H2TTSOPP)was synthesized under the condition of phase-transfer catalyst. The complexes of cobaltII. and manganese(II) were also synthesized. All of the synthesized products were characterized by elemental analysis, electronic absorption spectrum, IR spectrum and proton magnetic resonance spectrum. The oxidation of aromatic aldehydes with...
http://www.polymer.cnt//ss/wangrongmin/publicationsshow_2551.html

Functionalized Ethylene Propylene Rubber Prepared in a Co-Rotating Twin Screw Extruder and Its Potential in Toughness of PBT
The functionalization of EPR with glycidyl methacrylate (GMA) function by melt free radical grafting in a co-rotating twin-screw extruder is investigted. GMA is used as the monomer,styrene (St) is used as the comonomer in order to enhance the dispersion between EPR and GMA. The potential of using a GMA modified EPR (EPR-g-GMA) as the toughness precursor is examined as well. The presence of ...
http://www.polymer.cnt//ss/dong/publicationsshow_2431.html

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