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Compositional determination of 2,6‐dimethyl‐1,4‐phenylene oxide and styreen hompolymer blends by infrared spectrometry and pyrolysis gas chromatography

机译:Compositional determination of 2,6‐dimethyl‐1,4‐phenylene oxide and styreen hompolymer blends by infrared spectrometry and pyrolysis gas chromatography

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AbstractCompositional analysis of 2,6‐dimethyl‐1,4‐phenylene oxide (PPO) and styrene homopolymer blends was accomplished using infrared spectrometry and pyrolysis gas chromatography. In infrared measurements the 1030/700 cm−1absorption ratio provides percent PPO in the blends within ±3 of the actual value but with a σ of ±10. In pyrolysis GC measurements, four peaks resulting from the fragmentation of the PPO molecule have been investigated for quantitation. One of these peaks provides results with ±2 of the PPO present with a σ of 7 when the percent PPO in the blend

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