Distribution analysis of hydroxyl groups in polymers by derivatization-electron probe X-ray microanalysis
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概要
- 論文の詳細を見る
An analytical method, referred to as “derivatization-electron probe X-ray microanalysis (XMA)”, has been developed to determine the distribution of small amounts of hydroxyl groups formed by the oxidation and the hydrolysis of polymers. A suitable condition for a derivatization reaction with hydroxyl groups in polymers was investigated. It was found that hydroxyl groups in polymers were derivatized selectively using gas-phase esterification with trichloroacetic anhydride (TCAA). The most suitable amount of TCAA in a 50-ml vial was 50 µl. After setting a sample in the vial without directly contacting the reagent, by heating the reagent and the sample at 60°C for 90 min, the highest reaction yield and selectivity were obtained. By derivatization-XMA using this reaction condition, a distribution measurement of small amounts of hydroxyl groups in the polymer became feasible. Actual applications to a depth analysis of degraded polyethylene and polyester proved that the present method is useful for the characterization of polymers and for the study of polymer degradation.
- 日本分析化学会 = The Japan Society for Analytical Chemistryの論文
- 2000-12-01
著者
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Ueda Kazumasa
Department Of Chemistry And Chemical Engineering Kanazawa University
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Ueda Kazumasa
Department Of Chemistry And Chemical Engineering Faculty Of Engineering Kanazawa University
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Murase Atsushi
Materials Analysis & Evaluation Div. Toyota Central R & D Labs. Inc.
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Mitsuoka Takuya
Surface & Micro Analysis Lab. Materials Analysis & Evaluation Div. Toyota Central Research A
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SUGIURA Motoyasu
Materials Analysis & Evaluation Div., Toyota Central R & D Labs. Inc.
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MITSUOKA Takuya
Materials Analysis & Evaluation Div., Toyota Central R & D Labs. Inc.
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Sugiura Motoyasu
Materials Analysis & Evaluation Div. Toyota Central R & D Labs. Inc.
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