The mechanical 7 relaxation of a linear polyethylene has been extensively analysed by means of high resolution mechanical spectrometry. This analysis was completed by quantitative measurements of the morphological parameters governing the characteristics of the 5, relaxation, such as the crystallini
✦ LIBER ✦
Mechanical γ and β relaxations in polyethylene—II. Physical models of the mechanical γ relaxation in polyethylene
✍ Scribed by N. Alberola; J.Y. Cavaille; J. Perez
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 315 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0014-3057
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## Abstract Tensile drawing and short‐term creep of ethylene/α‐olefin copolymers having bimodal (BM) molar weight distribution are studied in comparison with unimodal (UM) copolymers of similar crystallinity. The natural draw ratio and viscoelastic recovery upon unloading strongly suggest that BM c