693.932 PEOPLE
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| Naji, M. |
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| Aletan, Dirar |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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Peters, Gwm Gerrit
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Topics
Publications (39/39 displayed)
- 2022An experimentally validated model for quiescent multiphase primary and secondary crystallization phenomena in PP with low content of ethylene comonomercitations
- 2020Effect of shear rate and pressure on the crystallization of PP nanocomposites and PP/PET polymer blend nanocomposites
- 2020A filament stretching rheometer for in situ X-ray experimentscitations
- 2019Influence of post-condensation on the crystallization kinetics of PA12:from virgin to reused powder
- 2019Modelling flow induced crystallization of IPPcitations
- 2019In Situ WAXD and SAXS during tensile deformation of moulded and sintered polyamide 12citations
- 2019Influence of post-condensation on the crystallization kinetics of PA12citations
- 2018Structure-properties relations for polyamide 6, part 2citations
- 2018Thin film mechanical characterization of UV-curing acrylate systemscitations
- 2018Thin film mechanical characterization of UV-curing acrylate systems
- 2018Structure-properties relations for polyamide 6, part 2:Influence of processing conditions during injection moulding on deformation and failure kineticscitations
- 2017Glass transition temperature versus structure of polyamide 6:A flash-DSC studycitations
- 2017Glass transition temperature versus structure of polyamide 6citations
- 2017Deformation and failure kinetics of iPP polymorphscitations
- 2016The prediction of mechanical performance of isotactic polypropylene on the basis of processing conditionscitations
- 2015Flow-induced solidification of high-impact polypropylene copolymer compositions : morphological and mechanical effectscitations
- 2015Flow-induced solidification of high-impact polypropylene copolymer compositions : morphological and mechanical effects
- 2013Anisotropic yielding of injection molded polyethylene: experiments and modelingcitations
- 2012Quantification of non-isothermal, multi-phase crystallization of isotactic polypropylene : the influence of shear and pressurecitations
- 2012Quantification of non-isothermal, multi-phase crystallization of isotactic polypropylene : the influence of shear and pressure
- 2012Rate-, temperature-, and structure-dependent yield kinetics of isotactic polypropylenecitations
- 2012Quantification of non-isothermal, multi-phase crystallization of isotactic polypropylene: the influence of cooling rate and pressure
- 2011Linear shear response of the upper skin layerscitations
- 2010Micromechanical modeling of the elastic properties of semicrystalline polymers: a three-phase approachcitations
- 2010Residual stresses in gas-assisted injection moldingcitations
- 2010Molar mass and molecular weight determination of UHMWPE synthesized using a living homogenous catalystcitations
- 2009A novel dilatometer for PVT measurements of polymers at high cooling - and shear ratescitations
- 2009Volumetric rheology of polymers: The influence of shear flow, cooling rate and pressure on the specific volume of iPP and P/E random copolymerscitations
- 2009Model development and validation of crystallization behavior in injection molding prototype flowscitations
- 2008Transient interfacial tension of partially miscible polymerscitations
- 2008Suspension-based rheological modeling of crystallizing polymer meltscitations
- 2008Flow induced crystallization in iPP-DMDBS blends: implications on morphology of shear and phase separationcitations
- 2008Thermoreversible DMDBS Phase Separation in iPP: The Effects of Flow on the Morphologycitations
- 2006Influence of interfacial tension on the morphology of polymer blends
- 2005The influence of cooling rate on the specific volume of isotactic poly(propylene) at elevated pressures
- 2004Structure, deformation, and failure of flow-oriented semicrystalline polymerscitations
- 2004Structure, deformation, and failure of flow-oriented semicrystalline polymers
- 2002The matching of experimental polymer processing flows to viscoelastic numerical simulation
- 2001A 3-D finite element model for gas-assisted injection molding - simulations and experiments
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article
Rate-, temperature-, and structure-dependent yield kinetics of isotactic polypropylene
Abstract
The influence of cooling rate on the structure and resulting mechanical performance is explored for a set of isotactic polypropylenes with varying molecular weight, insertion of counits, and addition of a nucleating agent. A continuous variation of crystal type (a–mesomorphic phase competition) and structural features is obtained with cooling rate. These variations are discussed in relation to the strain rate- and temperature-dependent yield stress and time-to-failure kinetics. The deformation kinetics, characterized by constant activation volumes and energies in the Ree–Eyring theory, prove to be the same for various structures. Differences in thermal history are solely captured by two rate constants that are function of the structure. © 2012 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2012