It is testified that the depolymerized products are terephthalic acid ( TPA ), ethylene glycol ( EG ) and trace diethylene glycol ( DEG ).

解聚产物为对苯二甲酸 ( TPA ) 、 乙二醇 ( EG ) 和少量的二甘醇 ( DEG ).

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The degree of depolymerization is characterized by the crystallization and thermal stability of un - depolymerized PET residue.

从残留PET的结晶度和热稳定性间接体现了解聚反应的程度.

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