增塑剂的作用机理

The mechanism of action of plasticizer

增塑剂是指可提高聚合物塑性的一类物质，它主要用于PVC树脂，在PVC中的用量可占整个增塑剂用量的98%以上。除PVC外，增塑剂还用于PVDC、CPE、SBS、聚乙酸乙烯酯、硝酸纤维素、PA、ABS及PVA等聚合物中。

Plasticizer is a kind of material which can improve the plasticity of polymer. It is mainly used in PVC resin. The amount of the plasticizer in PVC is more than 98% of the amount of the whole plasticizer. In addition to PVC, plasticizers are also used in PVDC, CPE, SBS, polyvinyl acetate, nitrocellulose nitrate, PA, ABS and PVA.