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[Analysis Case] Analysis of Smartphone Sealants by Pyrolysis GC/MS

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[Analysis Case] Analysis of Smartphone Sealants by Pyrolysis GC/MS

Analysis of UV-curable materials is possible through two-stage heating.

Using a two-stage heating method with thermal decomposition GC/MS, we analyzed the material of the sealing agent around the display of commercially available smartphones. By heating the sample at a low temperature (250°C) and measuring the gas components generated using GC/MS, we can detect residual monomers and low molecular weight additives (polymerization initiators, antioxidants). Subsequently, by heating at a high temperature (550°C), we can decompose the polymers and estimate their constituent components. This revealed that the sealing agent is made of a UV-curable material.

Related Link - https://www.mst.or.jp/casestudy/tabid/1318/pdid/92…

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[Analysis Case] Analysis of Smartphone Sealing Agents by Thermal Decomposition GC/MS_C0371

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