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Physical and chemical stress relaxation of a fluoroelastomer
Author(s) -
Salazar Edward A.,
Curro John G.,
Gillen Kenneth T.
Publication year - 1977
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1977.070210615
Subject(s) - activation energy , arrhenius equation , stress relaxation , relaxation (psychology) , materials science , thermodynamics , natural rubber , chemical reaction , seal (emblem) , polymer chemistry , chemistry , composite material , organic chemistry , physics , creep , psychology , social psychology , art , visual arts
Stress relaxation measurements were made at various temperatures on V‐747‐7, a commercial high‐temperature rubber formulation from the Parker Seal Company. The data were analyzed by separating the chemical and physical relaxation processes by a method described in an earlier publication. The chemical relaxation process was found to be Arrhenius with an activation energy of 35.7 kcal/mole. The results allow us to predict the relative useful lifetimes of this material up to approximately 320°C.

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