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724 results on '"Zhao, Chunlin"'

3. Mechanical enhancement of epoxidized natural rubber by flue gas desulfurization ash as the sole reinforcing filler

Author

Wei, Junwen, Zhuang, Wei, Lin, Tengfei, Gao, Min, Zhao, Chunlin, Wu, Xiao, Lin, Cong, Chen, Hong, and Su, Qingfa

Subjects
Ash (Chemistry) -- Usage -- Chemical properties -- Mechanical properties, Flue gases -- By-products, Engineering and manufacturing industries, Science and technology
Abstract

Flue gas desulfurization facilities produce flue gas desulfurization ash (FGDA), which has ecological and economic benefits. In this article, we explored the possibility and impact of using FGDA as the sole reinforcing filler to mechanically improve epoxidized natural rubber (ENR). The influence on the properties of the composites was examined. FGDA exhibits good interfacial interaction and compatibility with ENR, which improves the mechanical properties of ENR. When 15 phr FGDA was added, the tensile strength of the composites increased by approximately 41.4% compared with that of pure ENR. This work demonstrates the possibility of using FGDA as an effective and sole reinforcing material to enhance the properties of rubber materials. Highlights * FGDA improves the mechanical properties of ENR as a sole reinforcing filler. * FGDA reacts with ENR during vulcanization, enhancing compatibility. * Adding 15 phr FGDA to ENR increases the tensile strength by 41.4%. KEYWORDS composites, mechanical properties, rubber, vulcanization, 1 | INTRODUCTION Flue gas desulfurization ash (FGDA) is a substance created during the semidry desulfurization process, which involves using Ca[(OH).sub.2] to react with S[O.sub.2] generated from fossil fuel combustion [...]

Published
2024
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31. Fault Diagnosis Method for Transformer Based on KPCA and SSA-SVM

Author

Han, Xiaohui, Ma, Shifeng, Shi, Zhewen, An, Guoqing, Du, Zhenbin, Zhao, Chunlin, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, He, Jinghan, editor, Li, Yaohua, editor, Yang, Qingxin, editor, and Liang, Xidong, editor

Published
2022
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37. Recyclable photoluminescent composites via incorporating ZnS-based phosphors into dynamic crosslinking elastomeric matrixes

Author

Wang, Jinyun, Xia, Biao, Su, Tong, Lin, Tengfei, Gao, Min, Zhao, Chunlin, Wu, Xiao, and Lin, Cong

Subjects
Crosslinked polymers -- Methods, Photoluminescence -- Analysis, Elastomers -- Composition -- Optical properties, Recycling (Waste, etc.) -- Methods -- China, Engineering and manufacturing industries, Science and technology
Abstract

The rapid advances in photochromic devices have spurred great enthusiasm in the design and preparation of luminescent materials. It is an efficient and facile strategy to incorporate ZnS-based phosphors into crosslinking polymer substrates, obtaining photochromic materials with excellent comprehensive properties. However, crosslinking polymeric ZnS-based phosphor luminous materials are unable to be recycled and reprocess at the end of service, limiting their long-term utilization and burdening the environment. Besides, few reported works have explored photoluminescent properties of samples during multiple reprocessing and recycling. Herein, enlightened by the intriguing dynamic covalent crosslinking technology, recyclable and photoluminescent elastomers, employed polymeric flexible matrixes with dynamic covalent joints integrated with ZnS:Cu and ZnS:Cu,[M.sub.n] phosphors, were prepared in this work. Due to the breakage and reformation of exchangeable crosslinking connections and intensive interfacial interactions between polar elastomeric matrixes and luminophores, the original and recycled composites exhibit excellent recyclable, photoluminescent, and mechanical properties. We anticipate that the strategy of this work, inserted phosphors into dynamic crosslinking polymer matrixes with a facile fabrication process, paves the way for the recycling and long-term utilization of photoluminescent materials. KEYWORDS composites, elastomers, luminescence, recycling, 1 | INTRODUCTION Luminescent materials, under proper external stimuli, exhibit photoluminescent, electroluminescent, and mechano-luminescent properties, [1-6] extensively applied in display, sensing, anticounterfeiting, bioimaging, and biological probes. [7-11] Three types of [...]

Published
2022
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38. A randomized controlled study of a psycho-behavioral intervention combined with a non-benzodiazepine to improve perioperative sleep quality in patients undergoing knee arthroplasty

Author

Wang Jing, Zhao Chunlin, Yang Xue, He Tingting, Yuan Linyan, Chen Xiao, and Li Lingli

Subjects
psycho-behavioral interventions, zolpidem tartrate, knee arthroplasty, sleep quality, randomized controlled trial, Surgery, RD1-811
Abstract

ObjectiveTo clarify the effectiveness and safety of psycho-behavioral intervention combined with a non-benzodiazepine to improve perioperative sleep quality in patients undergoing knee arthroplasty, and also to explore the optimal dosage of non-benzodiazepine (oral zolpidem tartrate) to form a standardized sleep quality management process to promote accelerated recovery of patients.Methods240 patients undergoing initial unilateral total knee arthroplasty between January and December 2016 were prospectively included and randomly divided into blank control group (group A), psycho-behavioral intervention group (group B), zolpidem tartrate 10 mg group (group C), and psycho-behavioral intervention + zolpidem tartrate 5 mg group (group D). Sleep, pain, psychological, and knee function scores were compared.ResultsThere were significant differences between the four groups with respect to Pittsburgh sleep quality index scores, sleep efficiency, Epworth Sleepiness Scale scores, inflammatory indices, pain, and enhanced recovery after surgery indices during hospitalization (P

Published
2023
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