Sichuan Univ.Introduction to Polymer ScienceIntroduction to Polymer ScienceThermoplasticsThermoplastics热塑性聚合物热塑性聚合物四川大学化学学院四川大学化学学院Sichuan Univ.Classification of PolymersClassification of Polymersn According to the resources：n Natural Polymer、 Semi-Synthetic Polymer 、Synthetic Polymer；n According to the molecular structure：n Topology：Linear、Branched、 Three-dimensional ；n Atoms in the backbone：Carbon chain、Hetero-chain 、None carbon chain；n According to the application：n Plastic、Rubber、Fiber、Coati
