The role of filler network in nonlinear viscoelastic behavior of vapor grown carbon nanofiber filled polystyrene: A strain dependent rheological behavior and electrical conductivity study
Identifieur interne : 000031 ( Istex/Checkpoint ); précédent : 000030; suivant : 000032The role of filler network in nonlinear viscoelastic behavior of vapor grown carbon nanofiber filled polystyrene: A strain dependent rheological behavior and electrical conductivity study
Auteurs : Li Zhao [République populaire de Chine] ; Hongmei Yang [République populaire de Chine] ; Yihu Song [République populaire de Chine] ; Yeqiang Tan [République populaire de Chine] ; Guo-Hua Hu [France] ; Qiang Zheng [République populaire de Chine]Source :
- Polymer Engineering & Science [ 0032-3888 ] ; 2012-03.
Descripteurs français
- Wicri :
- topic : Polymère.
English descriptors
- KwdEn :
- Brass wires, Dynamic modulus, Electrical conductivity, Electrical percolation threshold, Lled, Lled polymers, Ller, Ller network, Ller structure, Matrix, Modulus, Modulus recovery, Nonlinear, Nonlinear viscoelasticity, Polym, Polymer, Polymer engineering, Rheological, Room temperature, Simultaneous measurements, Strain sweep, Time sweep, Vgcf, Vgcf content, Vgcf network.
- Teeft :
- Brass wires, Dynamic modulus, Electrical conductivity, Electrical percolation threshold, Lled, Lled polymers, Ller, Ller network, Ller structure, Matrix, Modulus, Modulus recovery, Nonlinear, Nonlinear viscoelasticity, Polym, Polymer, Polymer engineering, Rheological, Room temperature, Simultaneous measurements, Strain sweep, Time sweep, Vgcf, Vgcf content, Vgcf network.
Abstract
Influence of filler network on Payne effect and modulus recovery for vapor grown carbon nanofiber (VGCF)/polystyrene (PS) composites with VGCF content above electrical percolation threshold was studied by using simultaneous measurements of viscoelasticity and electrical conductivity. The strain softening seems to be closely related to breakdown of filler network. Recovery tests of modulus and electrical conductivity by means of time sweep indicate that the reformation of deformed VGCF network structure could not be completed in several hours. Compared with recovery behavior of carbon black (CB) and silica (SiO2) network, the reformation of VGCF network appears more difficult. Moreover, solidification of composites exerts some effect on modulus recovery. The filler network disrupted by small strain can be perfectly recovered by matrix solidification while the initial filler structure collapsing at large strain is only partially restored. POLYM. ENG. SCI., 2012. © 2011 Society of Plastics Engineers
Url:
DOI: 10.1002/pen.22129
Affiliations:
- France, République populaire de Chine
- Grand Est, Lorraine (région), Zhejiang
- Hangzhou, Nancy
- Centre national de la recherche scientifique, Laboratoire réactions et génie des procédés, Nancy-Université, Université de Lorraine, Université de Zhejiang
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ISTEX:353EAB2C8835070930164B75025DAA41284AAD53Le document en format XML
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conductivity</term><term>Electrical percolation threshold</term><term>Lled</term><term>Lled polymers</term><term>Ller</term><term>Ller network</term><term>Ller structure</term><term>Matrix</term><term>Modulus</term><term>Modulus recovery</term><term>Nonlinear</term><term>Nonlinear viscoelasticity</term><term>Polym</term><term>Polymer</term><term>Polymer engineering</term><term>Rheological</term><term>Room temperature</term><term>Simultaneous measurements</term><term>Strain sweep</term><term>Time sweep</term><term>Vgcf</term><term>Vgcf content</term><term>Vgcf network</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Brass wires</term><term>Dynamic modulus</term><term>Electrical conductivity</term><term>Electrical percolation threshold</term><term>Lled</term><term>Lled polymers</term><term>Ller</term><term>Ller network</term><term>Ller structure</term><term>Matrix</term><term>Modulus</term><term>Modulus recovery</term><term>Nonlinear</term><term>Nonlinear viscoelasticity</term><term>Polym</term><term>Polymer</term><term>Polymer engineering</term><term>Rheological</term><term>Room temperature</term><term>Simultaneous measurements</term><term>Strain sweep</term><term>Time sweep</term><term>Vgcf</term><term>Vgcf content</term><term>Vgcf network</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Polymère</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Influence of filler network on Payne effect and modulus recovery for vapor grown carbon nanofiber (VGCF)/polystyrene (PS) composites with VGCF content above electrical percolation threshold was studied by using simultaneous measurements of viscoelasticity and electrical conductivity. The strain softening seems to be closely related to breakdown of filler network. Recovery tests of modulus and electrical conductivity by means of time sweep indicate that the reformation of deformed VGCF network structure could not be completed in several hours. Compared with recovery behavior of carbon black (CB) and silica (SiO2) network, the reformation of VGCF network appears more difficult. Moreover, solidification of composites exerts some effect on modulus recovery. The filler network disrupted by small strain can be perfectly recovered by matrix solidification while the initial filler structure collapsing at large strain is only partially restored. POLYM. ENG. SCI., 2012. © 2011 Society of Plastics Engineers</div></front></TEI><affiliations><list><country><li>France</li><li>République populaire de Chine</li></country><region><li>Grand Est</li><li>Lorraine (région)</li><li>Zhejiang</li></region><settlement><li>Hangzhou</li><li>Nancy</li></settlement><orgName><li>Centre national de la recherche scientifique</li><li>Laboratoire réactions et génie des procédés</li><li>Nancy-Université</li><li>Université de Lorraine</li><li>Université de Zhejiang</li></orgName></list><tree><country name="République populaire de Chine"><region name="Zhejiang"><name sortKey="Zhao, Li" sort="Zhao, Li" uniqKey="Zhao L" first="Li" last="Zhao">Li Zhao</name></region><name sortKey="Song, Yihu" sort="Song, Yihu" uniqKey="Song Y" first="Yihu" last="Song">Yihu Song</name><name sortKey="Song, Yihu" sort="Song, Yihu" uniqKey="Song Y" first="Yihu" last="Song">Yihu Song</name><name sortKey="Tan, Yeqiang" sort="Tan, Yeqiang" uniqKey="Tan Y" first="Yeqiang" last="Tan">Yeqiang Tan</name><name sortKey="Tan, Yeqiang" sort="Tan, Yeqiang" uniqKey="Tan Y" first="Yeqiang" last="Tan">Yeqiang Tan</name><name sortKey="Yang, Hongmei" sort="Yang, Hongmei" uniqKey="Yang H" first="Hongmei" last="Yang">Hongmei Yang</name><name sortKey="Yang, Hongmei" sort="Yang, Hongmei" uniqKey="Yang H" first="Hongmei" last="Yang">Hongmei Yang</name><name sortKey="Zhao, Li" sort="Zhao, Li" uniqKey="Zhao L" first="Li" last="Zhao">Li Zhao</name><name sortKey="Zheng, Qiang" sort="Zheng, Qiang" uniqKey="Zheng Q" first="Qiang" last="Zheng">Qiang Zheng</name><name sortKey="Zheng, Qiang" sort="Zheng, Qiang" uniqKey="Zheng Q" first="Qiang" last="Zheng">Qiang Zheng</name><name sortKey="Zheng, Qiang" sort="Zheng, Qiang" uniqKey="Zheng Q" first="Qiang" last="Zheng">Qiang Zheng</name><name sortKey="Zheng, Qiang" sort="Zheng, Qiang" uniqKey="Zheng Q" first="Qiang" last="Zheng">Qiang Zheng</name></country><country name="France"><region name="Grand Est"><name sortKey="Hu, Guo Ua" sort="Hu, Guo Ua" uniqKey="Hu G" first="Guo-Hua" last="Hu">Guo-Hua Hu</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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