2511 紫外線LEDによる樹脂の硬化過程におけるラマン分光法を用いた硬化モニタリング(J10-3 計測・モニタリング・解析(3),J10 知的材料・構造システム)

概要

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An AFP molding method using UV-curable prepreg tapes has been recently studied. In order to optimize the molding method, it is essential to know the relationship between the degree of cure and UV dose near the exposed surface. A cure monitoring by a Raman spectroscopy is suited for the purpose. In the present paper, the cure monitoring method has been applied to UV-cured polymers with a UV LED, which is very useful as the spotlight of the UV-AFP molding method due to the small size, light weight and high power. The Raman peak of a carbon-carbon double bond was used to estimate the degree of cure. From the experimental results, it appeared that the degree of cure was controllable by total UV dose when the UV LED was used, while the more power is necessary to cure the polymers comparing to the UV light.
一般社団法人日本機械学会の論文
2007-09-07