JMSSJ On-line, Vol. 46 (1998) No. 4, pp. 275-282
Applications and Problems of Evolved Gas Analysis by Mass-Spectrometry
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    Takeo OZAWA*

    * Department of Electrical Engineering, Chiba Institute of Technology (2-17-1 Tsudanuma, Narashino-shi, Chiba 275-8588, Japan)

A few examples of application of evolved gas analysis by mass-spectrometry are described. They are (1) thermal decomposition of indium phosphide for electronic device application, (2) thermal decomposition of polyethylene terephthalate and its kinetic analysis, (3) thermal decomposition of polymethyl methacrylate in relation to its terminal groups, (4) thermal endurance life estimation of polymeric insulating materials, and (5) volatilization of solvent, unreacted hardener and impurities from epoxide resin. New applicabilities, such as controlled rate thermal analysis, switching of atmosphere, and kinetic analysis of parallel reactions, are introduced, and standards for temperature calibration are discussed.

Key words: Evolved gas analysis (EGA), Thermal analysis, Temperature standard materials, Controlled rate thermal analysis, Polymer decomposition, Thermal treatment of indium phosphide, Polymeric electrical insulating materials

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