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《中国化学工程学报(英文版)》 1996-01
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RHEOLOGICAL BEHAVIOR OF POLYMER MELTS (Ⅰ) UNIFIED MOLECULAR THEORY OF NON-LINEAR VISCOELASTICITY WITH CONSTRAINTS OF GAUSSIAN CHAIN ENTANGLEMENT FOR POLYMER MELTS

Song Mingshi Wu Sizhu Department of Polymer Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China To whom correspondence should be addressed.  
An approach with statistical mechanics and a unified molecular theory of non-linear viscoelasticity with constraints of Gaussian chain entanglement for polymer melts were proposed. A multimode model structure for a single polymer chain with tail segments and N reversible entanglement sites on the test polymer chain was developed. The probability distribution function of the end-to-end vector for a single polymer chain at entangled state and the viscoelastic free energy of deformation for polymer melts were calculated. Four types of stress-strain relationship and memory function were derived from this theory. The above theoretical relationships were verified by experimental data of PS (polystyrene) and LDPE (low density polyethylene) melts.
【Fund】: This work was supported by the National Natural Science Education Committee Foundation of China and the National Natural Science Foundation of China
【CateGory Index】: O631
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【References】
Chinese Journal Full-text Database 1 Hits
1 Song Mingshi, Yang Zhihong (Laboratory of Polymer Physical Mechanics, Research Institute of Polymeric Materials Beijing University of Chemical Technology, Beijing 100029);Study on the Rheological Behavior for Polymer Melts and Concentrated Solutions The Molecular Theory of Visco-elasticity for Recoverable Strain and Swelling Ratio of Homo-polymers Melts Extrudate[J];Chinese Journal of Chemical Physics;2000-06
【Co-references】
Chinese Journal Full-text Database 3 Hits
1 XU Wen li, LI Ming, LIU Xue song, TIAN Xi tang(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China);Dynamic low stress-little distortion-hot crackfree welding technology by trailing peening[J];Material Science and Technology;2001-01
2 Song Mingshi,Hu Guixian and Zhang Chen(Polymer Materials Research Institute,Beijing University of Chemical Technology);PREDICTION OF LONG TERM MECHANICAL BEHAVIORS AND LIFEFOR POLYMERIC MATERIALS[J];CHINA SYNTHETIC RUBBER INDUSTRY;1997-02
3 Xi Daoying1,Wan Xinlin1,Xue Yanwei1,Chen Qinghong2,Zhang Enhou(1Department of Earth and Space Science,University of Science and Technology of China and Advanced Center for Earth Science and Astronomy,USTC,Third World Academy of Science,Hefei 230026 China)(2Incorporation of Detection Technology of Wuhu,East China Geo-exploration Bureau of the Ministry of Metallurgy,Wuhu 241009 China);LOOKING FOR RELICS OF JUN KILN OF SONG DYNASTY WITH GEORADAR[J];Chinese Journal of Rock Mechanics and Engineering;2004-01
【Secondary References】
Chinese Journal Full-text Database 2 Hits
1 SU Zhan pai et al (Cable Compound Research Institute of Harbin University of Science and Engineering, Harbin 150040, Heilongjiang Province, China);Affection of the extrusion swelling ratio of insulation in power cable on cable performance[J];Electric Wire & Cable;2001-05
2 ZHAO Jing-lan,LIN Heng,ZHENG Bai-cun(Advanced Sports Materials R&D Center,East China University of Science and Technology,Shanghai 200237,China);Study on the Rheological Properties of Recovery Artificial Turf Melt[J];China Plastics Industry;2010-01
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