Relationship between degree of polymerization and optical and thermal properties of Bisphenol-A in polycarbonate polymers

The influences of degree of polymerization (Dp) and terminal group on thermal and optical properties of polycarbonate are investigated. In this study, Bisphenol-A homo polymer was selected because it has been used as a representative monomer in wide variety optical fields. The end terminating groups...

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Bibliographic Details
Main Authors: Kato, N., Ikeda, S., Hirakawa, M., Nishimori, K., Ito, H.
Format: Conference Proceeding
Language:English
Subjects:
Bisphenol A
Carbonyl groups
Carbonyls
Degree of polymerization
Glass transition temperature
Hydroxyl groups
Optical properties
Polymerization
Refractivity
Thermodynamic properties
Weight
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Summary:The influences of degree of polymerization (Dp) and terminal group on thermal and optical properties of polycarbonate are investigated. In this study, Bisphenol-A homo polymer was selected because it has been used as a representative monomer in wide variety optical fields. The end terminating groups were also selected hydroxyl group and phenolic capping group. The influence on refractive index (nd) is different depending on the terminal groups. Additionally, we proposed a short equation to estimate the glass transition temperature (Tg) as well as nd as a function of weight percentage of linkage carbonyl groups.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5088276