Addition of Photosensitivity to Hyperbranched Engineering Plastics based on Reaction Development Patterning
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- Kawada Tetsuya
- Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
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- Takahashi Akio
- Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
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- Oyama Toshiyuki
- Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
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We investigated mechanism of the dissolution of HBPE-NO2 films to the developer by analysis of the developer after development. A HBPE-NO2 film containing BADNQ2 was irradiated with 500 mJ/cm2 of exposure dose and developed with 25wt% TMAHaq. The developer was then neutralized by HClaq. and the solution was evaporated and dried at 90 °C in vacuo. 1H-NMR spectrum of the resulting product after development is shown in Fig. 3. The 1H-NMR spectrum shows signals assigned to the monomers, terephthalic acid derived from TPC and THPE, and 4-nitrobenzoic acid derived from the end groups. However, no signal that can be assigned to the original HBPE-NO2 protons was observed. This result suggests that RDP of HBPE-NO2 is not based on solubilization of the polymer by the reaction at the end groups but on decomposition of the polymer induced by nucleophilic attack of the OH- to the ester linkages to give low-molecular-weight products.
収録刊行物
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- Journal of Photopolymer Science and Technology
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Journal of Photopolymer Science and Technology 27 (2), 219-222, 2014
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詳細情報 詳細情報について
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- CRID
- 1390001204325706624
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- NII論文ID
- 130004678342
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- NII書誌ID
- AA11576862
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- ISSN
- 13496336
- 09149244
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- NDL書誌ID
- 025604198
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 使用不可