Using COC as pharmaceutical or cosmetic storage material. II. Effect of electron beam radio-sterilization

This study was performed on cycloolefin materials. These polymers are more and more used in the cosmetic and pharmaceutical fields. Samples were subjected to an electron beam radio-sterilization. Different irradiation doses ranging from 25 to 150 kGy were used to study the irradiation effect on the...

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Bibliographic Details
Published in:Journal of applied polymer science 2008-08, Vol.109 (3), p.1829-1839
Main Authors: Saunier, J, Aymes Chodur, C, Leclerc, B, Larbes, L, Yagoubi, N
Format: Article
Language:English
Subjects:
ageing
antioxidants
Applied sciences
Chemical Sciences
cycloolefins
electron beam irradiation
Exact sciences and technology
Physical properties
Polymer industry, paints, wood
Properties and testing
Radiation influence
Technology of polymers
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Summary:This study was performed on cycloolefin materials. These polymers are more and more used in the cosmetic and pharmaceutical fields. Samples were subjected to an electron beam radio-sterilization. Different irradiation doses ranging from 25 to 150 kGy were used to study the irradiation effect on the structure and properties of the material. In this study, we were mainly interested in additive degradation, and in the modification of polymer thermomechanical properties, as elasticity, glass transition temperature, and swelling ability. Although the modification of the polymer chains was important, effect on thermomechanical properties was quite weak.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.28275