The relationship between the chemical structure and thermal conversion temperatures of thermally rearranged (TR) polymers
- Title
- The relationship between the chemical structure and thermal conversion temperatures of thermally rearranged (TR) polymers
- Author
- 이영무
- Keywords
- Thermal conversion temperature; Glass transition temperature; Thermal rearrangement
- Issue Date
- 2012-06
- Publisher
- Elsevier Science LTD
- Citation
- Polymer, 2012, 53(13), P.2783-2791
- Abstract
- An attempt was made to elucidate the relationship between chemical structure, in terms of glass transition temperature (T-g), and conversion temperature (T-TR) of thermally rearranged polybenzoxazole membranes, by analyzing DSC and TGA data for a total of 15 sets of o-hydroxypolyimides and copolyimides, derived from two experimental and four commercial structurally different diamines, as well as four different dianhydride monomers. Our research revealed that T-TR was influenced by chain ridigity of o-hydroxypolyimides, and exhibited a linear relationship with T-g. Therefore, structure and thermal property of o-hydroxypolyimide should be considered when studying TR polymers to determine thermal conversion to polybenzoxazole. (C) 2012 Elsevier Ltd. All rights reserved.
- URI
- https://www.sciencedirect.com/science/article/pii/S0032386112003606?via%3Dihubhttp://hdl.handle.net/20.500.11754/67223
- ISSN
- 0032-3861
- DOI
- 10.1016/j.polymer.2012.04.032
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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