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Rheological properties of molten polymers. I. Homopolymer systems

โœ Scribed by Chang Dae Han; Thomas C. Yu; Kwang Ung Kim

Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
565 KB
Volume
15
Category
Article
ISSN
0021-8995

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๐Ÿ“œ SIMILAR VOLUMES

Some rheological properties of molten po
Some rheological properties of molten polytetrafluoroethylene
โœ G. Ajroldi; C. Garbuglio; M. Ragazzini ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 446 KB ๐Ÿ‘ 2 views

Measurements of melt viscosity on samples of polytetrafluoroethylene of difTerent molecular weight were carried out at 360ยฐC by means of tensile creep tests in the linear viscoelasticity range. The apparent activation energy for viscous flow in the range between 330" and 380ยฐC was estimated to be 20

Rheological properties of molten poly(et
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โœ D. R. Gregory ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 445 KB ๐Ÿ‘ 2 views

The complete steady-state flow properties of molten poly(ethy1ene terephthalate) for shear stresses 34.14 X 1CP dynes/cm\* were determined. A single, complete master curve had been constructed in earlier work by Gregory and Watson; the curve interrelates the shear stress, shear rate, temperature, an

Prediction of the rheological properties
Prediction of the rheological properties of reactive polymer systems
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A polymerization reaction may lead to either a thermoplastic or thermoset system depending upon the chemical structure of the monomers, and is usually accompanied by a marked increase in viscosity, which is directly related to the extent of reaction. As the molecular weight increases and branch chai

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An investigation has been carried out into the effect of the fractional composition on the rheological (flow and elastic) properties of a system, using mixtures of polybutadienes with narrow molecularweight distribution (MWD). For mixtures of high-molecular-weight components, the initial Newtonian v