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Nonlinear tensile creep of linear low density polyethylene/fumed silica nanocomposites: time-strain superposition and creep prediction
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SYSNO ASEP 0349098 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Nonlinear tensile creep of linear low density polyethylene/fumed silica nanocomposites: time-strain superposition and creep prediction Tvůrce(i) Dorigato, A. (IT)
Pegoretti, A. (IT)
Kolařík, Jan (UMCH-V)Zdroj.dok. Polymer Composites. - : Wiley - ISSN 0272-8397
Roč. 31, č. 11 (2010), s. 1947-1955Poč.str. 9 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova heterogeneous polymer blends ; free-volume theory ; copolymer blends Vědní obor RIV JI - Kompozitní materiály CEP GA106/09/1348 GA ČR - Grantová agentura ČR CEZ AV0Z40500505 - UMCH-V (2005-2011) UT WOS 000283407300016 DOI 10.1002/pc.20993 Anotace The main objectives of the study were (i) to quantitatively describe the nonlinear viscoelastic creep of model nanocomposites, (ii) to construct the generalized compliance curve by means of the tensile compliance vs. internal time superposition for a pseudo iso-free-volume state, and (iii) to predict the compliance vs. real time curves for selected stresses. To this end, the free volume theory of nonlinear viscoelastic creep developed for thermoplastics and their blend was successfully employed. Linear low density polyethylene/fumed silica nanocomposites, showing notable enhancement of the creep resistance in proportion to the surface area of incorporated nanofillers, were taken as simple model materials. Pracoviště Ústav makromolekulární chemie Kontakt Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Rok sběru 2011
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