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Li L.,Tianjin Polytechnic University | Li L.,State Key Laboratory of Hollow Fiber Membrance Matertials and Processes | Cheng B.W.,Tianjin Polytechnic University | Cheng B.W.,State Key Laboratory of Hollow Fiber Membrance Matertials and Processes
Advanced Materials Research | Year: 2014

The dehydration and minimization of sludge depended on filtering technology of geotextile is a hot issue in environmental project. By studying related process, the types, weaving forms, weaving structures and pore sizes of geotextile were tested. CPAM was the optimal flocculant with the dose of 90-110 mg/L and twill weaving geotextile with pore size of 0.5 mm was best. The final water content of sludge could drop to 40. © (2014) Trans Tech Publications, Switzerland. Source


Li L.,Tianjin Polytechnic University | Li L.,State Key Laboratory of Hollow Fiber Membrance Matertials and Processes | Cheng B.-W.,Tianjin Polytechnic University | Cheng B.-W.,State Key Laboratory of Hollow Fiber Membrance Matertials and Processes | And 4 more authors.
Gongneng Cailiao/Journal of Functional Materials | Year: 2014

PVDF based polymers are ideal matrix materials for lithium ion battery electrolyte, but high crystallinity and poor affinity to liquid electrolyte restrict their further development. In this paper, the grafting modification of PVDF based polymer electrolytes with styrene, glycidyl methacrylate, dimethyltrimethylene glycol diacrylate, polymethyl methacrylate, tripropyleneglycol diacrylate, polyethylene glycol methacrylate, 2-acrylamide-2-methyl propane sulfonic acid and polyethylene glycol by radiation, atom transfer radical polymerization and solution graft polymerization are introduced. In a certain extent, the affinity to liquid electrolyte, ionic conductivity, electrochemical stability and cycle performance have been enhanced. ©, 2014, Journal of Functional Materials. All right reserved. Source

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