井新利
导电高分子材料、涂料、耐高温复合材料基体树脂等。
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- 姓名:井新利
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学术头衔:
博士生导师
- 职称:-
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学科领域:
高分子化学
- 研究兴趣:导电高分子材料、涂料、耐高温复合材料基体树脂等。
井新利,博士,教授,博导。中国化学会会员,《西安交通大学学报》编委,陕西省化工学会会员,西安粘接技术学会副理事长。研究领域涉及导电高分子材料、涂料、耐高温复合材料基体树脂等。主持和参与的科研项目包括国家自然科学基金项目“低逾渗阈值导电性热固性树脂共混物及其逾渗机制研究”(编号:59903005)、航空基金项目“双马来酰亚胺树脂的增韧研究”(编号:59078137)、“具有微波吸收性能的复合成材料树脂基体的研究”(编号: 97G53076)、 陕西省自然科学基金项目“聚合物-氧化物的原位复合及复合材料特性研究”及企业合作项目“船用聚苯胺防腐涂料”、“丙烯酸树脂的合成与分析”等。在国内外刊物上发表论文70余篇,国家发明专利7项(授权6项),出版论著1部,获陕西省科技进步三等奖1项,陕西省教委科技进步二等奖1项。
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井新利
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-1年11月30日
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井新利
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井新利
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【期刊论文】Polyaniline Nanofiber Synthesis by Co-Use of Ammonium Peroxydisulfate and Sodium Hypochlorite
井新利, Abdelaziz Rahy, † Mohamed Sakrout, † Sanjeev Manohar, ‡ Sung June Cho, § John Ferraris, † and D. J. Yang*, †
Chem. Mater. 2008, 20, 4808-4814,-0001,():
-1年11月30日
The polymerization to polyaniline nanofibers was carried out in an aqueous system using aniline, 1 M HCl. and ammonium peroxydisulfate (APS) with additional use of sodium hypochlorite solution as a co-oxidant. The addition of sodium hypochlorite solution was made either before or after the addition of APS. This new method always produces polyaniline nanofibers with long length. Additional advantages of this new method are discussed. The effect of aniline concentration, hypochlorite concentration, different acid use, reaction temperature, and both aniline and hypochlorite purity on morphology and electrical property of the nanofibers synthesized by this new method was investigated.
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井新利, Jong-Beom Baek, † Haihu Qin, ‡ Patrick T. Mather, ‡ and Loon-Seng Tan*, §
Macromolecules 2002, 35, 4951-4959,-0001,():
-1年11月30日
-hydroxybenzoyl)benzene]-4-fluorophthalimide, was prepared from 4-fluoroisophthalic anhydride and 3,5-bis(4-hydroxybenzoyl)aniline. The latter was synthesized in three steps starting from commercially available 5-nitroisophthalic acid. The AB2 monomer was then polymerized via aromatic fluoride-displacement reaction to afford the corresponding hydroxylterminated hyperbranched polymer, HT-PAEKI, which was then functionalized with allyl and propargyl bromides as well as epichlorohydrin to afford allyl-terminated AT-PAEKI, propargyl-terminated PTPAEKI, and epoxy (glycidyl)-terminated ET-PAEKI, in that order. All hyperbranched poly(ether-ketoneimide) s were soluble in common organic solvents. Intrinsic viscosities of HT-, AT-, PT-, and ET-PAEKI in NMP were 0.13, 0.08, 0.08, and 0.08 dL/g, in that order. AT-PAEKI displayed an exotherm due to Claisen rearrangement at 269℃ and allyl-based thermal-cure reaction at 343℃. PT-PAEKI displayed only a single, strong exotherm at 278℃. Because of hydrogen bonding, HT-PAEKI displayed Tg of 224℃ while its derivatives exhibited lower Tg values ranging from 122 to 174℃. Finally, AT-PAEKI was blended with a bisphenol A-based bis(maleimide) (BPA-BMI) in various weight ratios. The results from differential scanning calorimetric study indicated that the presence of AT-PAEKI (up to 32 wt %) significantly affect the glass transition temperatures and cure behavior of BPA-BMI. Dynamic mechanical analysis comparing cured BPA-BMI with the 5 wt % AT-PAEKI blend corroborates this increase in glass transition temperature.
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井新利, Yongjun Chen, E. T. Kang, * and K. G. Neoh, K. L. Tan
J. Phys. Chem. B 2000, 104, 9171-9178,-0001,():
-1年11月30日
Chemical modification of argon-plasma-pretreated poly(tetrafluoroethylene) (PTFE) film by UV-induced surface graft copolymerization with glycidyl methacrylate (GMA), followed by epoxide-ring-opening reaction with aniline (An), and finally oxidative graft polymerization with aniline had been carried out to render the PTFE surface conductive. The surface composition and microstructure of the graft-copolymerized PTFE films were studied by X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM), respectively. The graft concentration of the GMA polymer and An polymer increased with increasing concentration of the respective monomer used for graft polymerization. Ethanol, when used as a solvent, catalyzed the coupling reaction of epoxide with An and should be of more than 40 vol % in concentration to achieve the optimum effect. The physicochemical characteristics of the polyaniline (PANI) chains grafted onto PTFE film surface were grossly similar to those of the PANI homopolymer. The surface resistance of the aniline graft-polymerized PTFE film was reduced to the order of about 104
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【期刊论文】Functionalized Single Graphene Sheets Derived from Splitting Graphite Oxide
井新利, Hannes C. Schniepp, † Je-Luen Li, ‡ Michael J. McAllister, † Hiroaki Sai, † Margarita Herrera-Alonso, † Douglas H. Adamson, § Robert K. Prud’homme, † Roberto Car, ‡ Dudley A. Saville, † and Ilhan A. Aksay*, †
J. Phys. Chem. B, Vol. 110, No.17, 2006,-0001,():
-1年11月30日
A process is described to produce single sheets of functionalized graphene through thermal exfoliation of graphite oxide. The process yields a wrinkled sheet structure resulting from reaction sites involved in oxidation and reduction processes. The topological features of single sheets, as measured by atomic force microscopy, closely match predictions of first-principles atomistic modeling. Although graphite oxide is an insulator, functionalized graphene produced by this method is electrically conducting.
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