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Influence of polydispersity and long chain branching on the melt viscosity of polycarbonate

✍ Scribed by Z. Dobkowski

Book ID
107753842
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
560 KB
Volume
18
Category
Article
ISSN
0014-3057

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πŸ“œ SIMILAR VOLUMES

The melt viscosity of branched polydispe
The melt viscosity of branched polydisperse polymers
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The melt viscosity (,Ta) is calculated for polydisperse branched polymers by two methods: (1) by extending Graessley's theory of melt flow of polydisperse linear chains to include the effects of branching, and (2) by empirical deduction leading to the relation (~TB;'/('/L)= [(Ss:)w/ (SL2)~,] w2 for

Influence of molecular weight distributi
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Molecular weight distribution and long chain branching were taken into account for the glass transition temperature (Tg)-molecular weight (M) relationships for bisphenol-A polycarbonate. A new form of the four-variable equation for Tg is proposed for polydisperse branched polymers. The extended equa

Effect of long-chain branching on the re
Effect of long-chain branching on the relation between steady-flow and dynamic viscosity of polyethylene melts
✍ Shroff, Ramesh N. ;Shida, Mitsuzo πŸ“‚ Article πŸ“… 1970 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 396 KB

## Abstract The steady‐state viscosity Ξ·, the dynamic viscosity Ξ·β€², and the storage modulus __G__β€² of several high‐density and low‐density polyethylene melts were investigated by using the Instron rheometer and the Weissenberg rheogoniometer. The theoretical relation between the two viscosities as