POLYMER FRACTURE - A SIMPLE MODEL FOR CHAIN SCISSION.

B. Crist; Jens Oddershede; J. R. Sabin; J. W. Perram; Mark A. Ratner

doi:10.1002/pol.1984.180220510

POLYMER FRACTURE - A SIMPLE MODEL FOR CHAIN SCISSION.

B. Crist^*, Jens Oddershede, J. R. Sabin, J. W. Perram, Mark A. Ratner

^*Corresponding author for this work

Chemistry

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38 Scopus citations

Abstract

A simple model for calculating the fracture process for a single extended-chain molecule such as polyethylene is considered. The model consists of a chain of N coupled Morse oscillators. There exists a critical overall extension below which the fracture is energetically unfavorable but above which fracture is favored both energetically and kinetically. For the critically stretched chain, the activation energy for rupture increases with N. Long chains must be stretched beyond this critical value to fail within experimentally meaningful times.

Original language	English (US)
Pages (from-to)	881-897
Number of pages	17
Journal	Journal of polymer science. Part A-2, Polymer physics
Volume	22
Issue number	5
DOIs	https://doi.org/10.1002/pol.1984.180220510
State	Published - Jan 1 1984

ASJC Scopus subject areas

Engineering(all)

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abstract = "A simple model for calculating the fracture process for a single extended-chain molecule such as polyethylene is considered. The model consists of a chain of N coupled Morse oscillators. There exists a critical overall extension below which the fracture is energetically unfavorable but above which fracture is favored both energetically and kinetically. For the critically stretched chain, the activation energy for rupture increases with N. Long chains must be stretched beyond this critical value to fail within experimentally meaningful times.",

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AU - Ratner, Mark A.

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POLYMER FRACTURE - A SIMPLE MODEL FOR CHAIN SCISSION.

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