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Testing of a mathematical model for viscoelastic behaviour of poly-α-olefins using polyisobutene

✍ Scribed by Jean-Yves Decroix; Alain Piloz; Jean-François May

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 109 KB
Volume: 12
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(76)90129-4

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✦ Synopsis

The analytical model proposed for poly-~-olefins has been tested on polyisobutene. Relaxation modulus E(t) and distribution of relaxation times have been predicted from dynamic experiments and agree with literature data.

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A mathematical model for viscoelastic behaviour of poly-α-olefins. Application to some polyolefin blends and to copolymers hexene-1-propene

✍ J.-Y. Decroix; A. Piloz; A. Douillard; J.-F. May; G. Vallet 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 383 KB

The complex relaxation modulus of polyolefins can be closely analytically described in the glass-rubber transition by using an equation with four constants and one variable. From this equation, the real relaxation modulus E,~ and the distribution of relaxation times H,~ can be derived through some a