Poly (ethylene terephthalate) (PET) is widely used in the fields of the fiber, film and engineering plastics because of its excellent rigid, heat and chemical resistance properties.
聚对苯二甲酸乙二醇酯(PET)具有高的刚性、耐热性和耐化学药品性等优良性能，被广泛应用于纤维、薄膜和工程塑料等领域。
The effects of poly ether, F_(11), water, catalyst and surfactant on the mobility of polyurethane rigid foam were studied quantitatively.
定量研究了聚醚、F_（11）用量、水分、催化剂、匀泡剂对泡沫流动性的影响。
The RM-200 torque-rheometer was used to study the rheological properties of the rigid low-foamed poly(vinyl chloride)(PVC) in this paper.
用RM-200转矩流变仪对不同配方的硬质低发泡聚氯乙烯（PVC）的流变性能进行了分析。
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