Determination of the discrete relaxation spectrum for polybutadiene and polystyrene by a non-linear regression method

Iranian Polymer Journal (English Edition)

Volumn 11, Issue 2, 2002, Pages 107-113

  Haghtalab, Ali ^a   Sodeifian, Gholamhossein ^a  

^a TARBIAT MODARES UNIVERSITY   (Iran)

Author keywords

Discrete relaxation spectrum; Non linear regression; Polybutadiene; Polystyrene; Rheology

Indexed keywords

ELASTIC MODULI; MAXWELL EQUATIONS; OPTIMIZATION; POLYSTYRENES; REGRESSION ANALYSIS; RELAXATION PROCESSES; VISCOELASTICITY;

DISCRETE RELAXATION SPECTRUM;

POLYBUTADIENES;

EID: 0036305616     PISSN: 10261265     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Regularization methods for the determination of relaxation spectra of polymeric liquids
2. On the Rouse spectrum and the determination of the molecular weight distribution from rheological data
3. Determination of relaxation time spectra from dynamic moduli using edge preserving regularization method
4. Prediction of elastic strains of polymer melts in shear and elongation
5. Tichonov's regularization method for ill-posed problems: A comparison of different methods for the determination of the regularization parameter
6. Linearization as a method for determining parameters of relaxation spectra
7. Determination of discrete relaxation and retardation time spectra from dynamic mechanical data
8. Ill-posed problems in rheology
9. A parsimonious model for viscoelastic liquids and solids
10. Computer aided rheometry
11. Determination of the relaxation spectrum by a regularization method
12. Determination of the relaxation spectrum from oscillatory, shear data
13. Determination of the discrete relaxation spectrum from dynamic moduli using a nonlinear regression method
14. Calculation of the discrete relaxation spectrum for polymeric materials using a nonlinear regression method