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Applicability of the modified XPP model to a description of flow behaviour of polymeric materials
. The predictive/fitting capabilities of the modified XPP model are compared with the Giesekus, XPP, and modified Leonov models using various polymeric materials in steady shear XPP model. Then th...
BK - Mechanika tekutin
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
On the rheological characterization of linear and branched metallocene polypropylenes prepared by reactive extrusion process
(shear and elongational) the eXtended Pom-Pom (XPP) and PTT-XPP models were used hardening) in comparison to the virgin (linear) mPP. The XPP and PTT-XPP models proved......
CD - Makromolekulární chemie
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Application of the XPP, PTT-XPP and modified Leonov constitutive equations to branched LDPE melts
equations, we decided to concentrate on three continuum mechanics models inspired by some molecular modeling considerations i.e. the XPP model, PTT-XPP model, and mLeonov model. In more ...
BK - Mechanika tekutin
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
influence of reactive extrusion process on rheological properties of metallocene polypropylenes
, and modelling by the XPP and PTT-XPP models indicate the molecular structure differing from...
CD - Makromolekulární chemie
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
The role of the Gordon-Schowalter derivative term in the constitutive models - improved flexibility of the modified XPP model
of the recently presented modified XPP model (just one non-linear parameter per mode with the exponential PTT and PTT-XPP models (a priori containing the GS derivativeConstitutive models that complete the...
BK - Mechanika tekutin
- 2015 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing
Pom-Pom (XPP) and PTT-XPP models were used. A rotational rheometer (ARES 2000 to the virgin (linear) mPP. The XPP and PTT-XPP models proved their usefulness and elongational viscosities. On the o...
BK - Mechanika tekutin
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Predictive/fitting capabilities of differential constitutive models for polymer melts - reduction of non-linear parameters in the eXtended Pom-Pom model
A phenomenological modification of the eXtended Pom-Pom (XPP) model XPP model includes three parameters per mode in total (two linear viscoelastic). The original XPP model contains five parame...
Fluids and plasma physics (including surface physics)
- 2014 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
On the reduction of nonlinear parameters in the eXtended Pom-Pom differential constitutive model
parameter only, it is shown very good efficiency of the modified XPP model using threeAn application of differential constitutive models enables a prediction (relaxation time and modulus) common for all models, a ...
Fluids and plasma physics (including surface physics)
- 2018 •
- JSC •
- Link
Rok uplatnění
JSC - Článek v periodiku v databázi SCOPUS
Výsledek na webu
On the predictive/fitting capabilities of the advanced differential constitutive equations for linear polyethylene melts
This contribution examines the capabilities of three differential constitutive models (XPP, PTT-XPP, and modified Leonov) in predicting rheological properties of two virtually linear polyethylene materials (HDPE Tipelin FS ...
BK - Mechanika tekutin
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
On the predictive/fitting capabilities of the advanced differential constitutive equations for branched LDPE melts
Predictive/fitting capabilities of the XPP, PTT-XPP and modified Leonov constitutive equations are compared in both steady as well as transient shear and uniaxial elongational flows using two, highly branched LDPE materials (Escoren...
BK - Mechanika tekutin
- 2006 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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