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On the burst of branched polymer melts during inflation

✍ Scribed by Henrik Koblitz Rasmussen; Kaijia Yu

Publisher
Springer-Verlag
Year
2007
Tongue
English
Weight
390 KB
Volume
47
Category
Article
ISSN
0035-4511

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πŸ“œ SIMILAR VOLUMES

The melt viscosity of branched polydispe
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✍ T.W. Bates πŸ“‚ Article πŸ“… 1972 πŸ› Elsevier Science 🌐 English βš– 828 KB

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

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✍ Jeou-shyong Wang; Roger S. Porter πŸ“‚ Article πŸ“… 1995 πŸ› Springer-Verlag 🌐 English βš– 625 KB

Based on the free volume concept and the equation by Doolittle, an empirical equation is offered for the flow activation energy, E\*, for polymer melts for the range of over 150Β°C above glass transition temperature, Tg. This E\* represents the temperature coefficient of viscosity for the Newtonian r