The melting point, structure, purity and thermal degradation behavior of the product were investigated by DSC, FTIR, GC-MS and TGA .

用DSC、FTIR、气相色谱-质谱联用以及TGA分别对产物的熔点、结构、纯度和热稳定性进行了表征。

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Thermal gravimetric analysis(TGA), FTIR, Limited oxygen index(LOI) and vertical firing test are used to research the flame retardancy of the intumescent flame retardant on PP.

采用热重分析（ TGA）、红外光谱分析（ FTIR）、 氧指数测定和垂直燃烧实验，研究了所合成的膨胀型阻燃剂对聚丙烯的阻燃作用。

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The hydrophobic modification of gel with hydrophobic monomers was proved by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA).

通过傅立叶变换的红外光谱（FTIR）、热重分析仪（TGA）证实疏水单体对凝胶进行了疏水改性。

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