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
Characterization of branched polydisperse polymers. Influence of solvents on the branching parameters
β Scribed by Zbigniew Dobkowski
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 361 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
Given two distinct branchings of a directed graph G, we present several conditions which are equivalent to the corresporiding incidence vectors of the branchings being adjacent on the branching polyhedron of 6. The proof of these equivalences uses a "shrinking algorithm'\* whi\_h will determine in O
## Abstract An investigation of the influence of the shortβchain branch length on the dynamic fatigue behavior of shortβchain branched polyethylenes (SBPE) is reported. The number of fatigue failure cycles (__N__~f~) increases significantly with increasing branch length at temperatures above the Ξ²β