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A novel chain-extended urea containing hyperbranched polymer used as toughening modifier for epoxy resin LU Shao-rong(陆绍荣), WEI Chun(韦 春), YANG Xiao-wang(杨小王) Key Laboratory of Nonferrous Metal... toughening accelerator for epoxy resin, amine-teminated hyperbranched polymer (H2O-NMe2) was synthesized and characterized by FT-IR spectroscopy. Dynamic mechanical analysis (DMA) was used to study......
Novel Semi-IPN Gel Electrolyte for Polymer Lithium-ion Battery李为立Jiangsu Provincial Key Lab of Advanced Welding Technology,Jiangsu University of Science and Technology摘 要:polymer blends with semi-IPN fabric.Differential scanning calorimetry and X-ray......
Design of Polymer Coatings in Automotive Engines BORDES Jean-Michel1,ZHANG Ga2,CHRISTIAN Coddet2,LIAO Han-lin2 (1.Technical Center of Belchamp 25420 Voujeaucourt, PSA Peugeot Citroen, France;2.LERMPS-UTBM,Site de sevenans, 90100, Belfort) 摘要:Driven by economical and ecological reasons, thermoplastics based coatings were more and more used in automotive engines. Two design concepts, flame......
J. Cent. South Univ. Technol. (2008) 15(s1): 115-117 DOI: 10.1007/s11771-008-327-x Mechanism of sulfide effect on viscosity of HPAM polymer solution KANG Wan-li(康万利)1, 2, ZHOU Yang(周 阳)2, WANG... oxidation, and the mechanism of increasing polymer viscosity was investigated. The experimental results also show that there is a critical concentration of 15 mg/L. Below it, the loss rate of HPAM solution......
Influence of polymer on shrinkage and anti-cracking performance of mortarLI Jiahe1),OU Jinping2),and WANG Zheng1)1) School of Material Science and Engineering,Harbin Institute of Technology,Harbin... to investigate cracking of mortar.The cracking total weigh W and cracking control rate K were applied to evaluate anti-cracking performance of mortar.Through the above method,the influence of polymer......
A STUDY ON THE FROST-RESISTANCE OF POLYMER CEMENT CONCRETE邓德华摘 要:<正> This paper investigates the frost-resistance function and the improvingmechanism of frost-resistance of variouspolymer cement concrete (PCC)’ containingtwo kinds of different polymer emulsions.The test results shows that the declinerule of the frozen-thawed PCC follows thefrost......
RESEARCH ON CATIONIC POLYMER WATER BASE DRILLING FLUIDS刘雨晴摘 要:<正> Cationic polymer drilling fluid (CPDF) is a new water base drilling fluid in which high molecular weight (HMW) cationic polymer (CPAM) is an encapsulating and flocculating agent and organic quaternary ammonium compound (AW-1) acts as shale inhibitor. This paper describes......
Photorefractive Effect in a CdS Nanoparticlessensitized Polymer Composite丁莉芸,姜德生摘 要:<正>The photorefractive(PR)performance of an organic/inorganic hybrid polymer composite sensitized by CdS nanoparticles,combining poly(N-vinylcarbazole)(PVK),the second-order optically nonlinear chromophore 1-n-butoxy-2-methyl-(4-p-nitropheylazo)benzene(BMNPAB......
Experimental Study on Viscosity Characteristics of Expanding Polymer Grout郝梅美1,李晓龙1,WANG Xinling2,ZHONG Yanhui1,ZHANG Bei1,WANG Fuming1,张玉龙21. School of Water Conservancy Engineering, Zhengzhou... viscosity model was derived and the influence of the initial temperature on gel time was analyzed.The experimental results show that the viscosity of polymer grout increases exponentially with time.It......
Electrochemical behaviors of novel composite polymer electrolytes for lithium batteriesGuorong Chen, Pengfei Shi, Yongping Bai, and Taibing FanDepartment of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China摘 要:<正> A novel composite polymer electrolyte was prepared by blending an appropriate amount of LiClO4 and 10% (mass......