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Radiation yield of hydrogen chloride in gamma‐irradiated poly(vinyl chloride) stabilized by epoxy compounds
Author(s) -
Lerke I.,
Szymański W.
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.1977.070210806
Subject(s) - diglycidyl ether , epoxy , cyclohexane , polymer chemistry , stabilizer (aeronautics) , propane , benzene , ether , vinyl chloride , yield (engineering) , materials science , chloride , hydrogen chloride , chemistry , bisphenol a , nuclear chemistry , organic chemistry , polymer , composite material , copolymer , mechanical engineering , engineering
The G HCI values of γ‐irradiated PVC mixtures were studied after addition of various amounts of three epoxy stabilizers: diglycidyl ether of 2,2‐bis(4‐hydroxy‐3‐methylphenyl)propane (I); diglycidyl ether of 1,1‐bis(4‐hydroxyphenyl)cyclohexane (II), and butyl‐ cis ‐9,10‐epoxystearate (III). The results indicated that two processes are essential for the stabilization: HCI capture by the epoxy groups, and an external protective effect, due to the remaining part of the stabilizer molecule. The role of the benzene rings in stabilizers I and II, as compared with the protective effect due to the long chains of stabilizer III, is not as dominant as one would expect.

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