Jay Janzen, Ph. D.

Affiliations: 
1968-2000 Research Division Phillips Petroleum Co. 
 2001-2003 Chemical Engineering Colorado School of Mines, Golden, CO, United States 
Area:
molecular structure, materials science, polymer physics, rheology
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"Jay Janzen"
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Parents

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Lawrence S. Bartell grad student 1962-1965 Iowa State

Collaborators

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Garth L. Wilkes collaborator
Gerard Kraus collaborator 1968-1982
BETA: Related publications

Publications

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Janzen J, Gautesen AK. (2018) Analytic relaxation modulus expression for a viscoelastic liquid with complex viscosity following a Havriliak-Negami model Journal of Rheology. 62: 1109-1114
Jordens K, Wilkes GL, Janzen J, et al. (2000) The influence of molecular weight and thermal history on the thermal, rheological, and mechanical properties of metallocene-catalyzed linear polyethylenes Polymer. 41: 7175-7192
Janzen J, Colby RH. (1999) Diagnosing long-chain branching in polyethylenes Journal of Molecular Structure. 485: 569-584
Janzen J. (1992) Elastic moduli of semicrystalline polyethylenes compaed with theoretical micromechanical models for composites Polymer Engineering and Science. 32: 1242-1254
Janzen J. (1992) Crystallite elastic constants and macroscopic moduli of isotropic semicrystalline polyethylenes Polymer Engineering and Science. 32: 1255-1260
Janzen J. (1982) Physicochemical chracterization of carbon black Rubber Chemisty and Technology. 55: 669-706
Janzen J. (1981) Extinction of light by highly nonspherical strongly absorbing colloidal particles: spectrophotometric determination of volume distributions for carbon blacks; correction Applied Optics. 20: 1901
Janzen J. (1980) Short derivation of the influence of particle size ratio on the conductivity threshold in binary aggregates Journal of Applied Physics. 51: 2279-2280
Janzen J. (1980) Extinction of light by highly nonspherical strongly absorbing colloidal particles: spectrophotometric determination of volume distributions for carbon blacks Applied Optics. 19: 2977-2985
Janzen J. (1979) The refractive index of colloidal carbon Journal of Colloid and Interface Science. 69: 436-447
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