Non-flammability and Thermal Decomposition of Polysiloxane-co-Polycarbonate

It was recently found that the polycarbonate copolymerized with a small amount of polysiloxane shows good non-flammability. In this study, it was investigated on the thermal decomposition of polysiloxane co-polycarbonate in detail in order to clarify the behavior of polysiloxane segment in burning....

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Bibliographic Details
Published inJournal of Materials Life Society Vol. 16; no. 3; pp. 95 - 98
Main Authors NODERA, Akio, UOZUMI, Toshiya, HAYASHI, Teruyuki
Format Journal Article
LanguageEnglish
Published MATERIALS LIFE SOCIETY, JAPAN 31.07.2004
Subjects
Block copolymer
Non-fammability
Polycarbonate
Polysiloxane
Thermal decomposition
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Summary:It was recently found that the polycarbonate copolymerized with a small amount of polysiloxane shows good non-flammability. In this study, it was investigated on the thermal decomposition of polysiloxane co-polycarbonate in detail in order to clarify the behavior of polysiloxane segment in burning. As a consequence, it has turned out that polysiloxane-co-polycarbonate heated at around 400°C forms an airtight char, which contains the thermal decomposition products of polysiloxane on the surface, indicating that the char hindered the heat and gas transfers that are necessary for burning.
ISSN:1346-0633
2185-7016
DOI:10.11338/mls2001.16.95