By means of the swelling and seepage of Styrene (St) to PVC film, St was grafted onto PVC film by the initiation of BPO .

• 利用苯乙烯 (St)对聚氯乙烯 (PVC)的溶胀渗透 ；在过氧化苯甲酰 (BPO)的引发下发生接枝共聚反应 .