The results showed that the molecular weight of PVC resin increased, and molecular weight distribution widened, tg rose with the polymerization degree increasing, which resulted in the ris...

• 试验结果表明:随着聚合度的提高,PVC树脂的分子量增大,分布变宽,T升高,导致材料的加工温度升高,力学性能提高。