Synthesis of Bio-base Plasticizer Using Waste Cooking Oil and Its Performance Testing in Soft Poly(vinyl chloride)Films

查看全文 作　　者：Guodong [1,2]FENG;Yan [1]MA;Meng [1]ZHANG;Puyou [1]JIA;Chengguo [1]LIU;Yonghong [1,3]ZHOU

机构地区：[1]Institute of Chemical Industry of Forest Products,Chinese Academy of Forest,National Engineering Laboratory for Biomass Chemical Utilization,Key Laboratory of Biomass Energy and Material,Nanjing 210042,China;[2]Jiangsu Qianglin Bio-Energy and Bio-Materials Limited Company,Liyang 213364,Jiangsu,China;[3]Co-Innovation Center of Efficient Processing and Utilization of Forest Resource,Nanjing Forestry University,Nanjing 210037,China

出　　处：《Journal of Bioresources and Bioproducts》索引2019年第4卷第2期,共12页

基　　金：the financial support from National Key R&D Program of China(No.2018YFD-0600402);National Natural Science Foundation of China(No.31700503,3167030790,31470613);Natural Science Foundation of Jiangsu Province,China(No.BK20170160). 摘　　要：Waste cooking oil was modified to prepare bio-base plasticizers(a,b and c)with terephthalic acid,adipic acid and benzoic acid by transesterification,epoxidation and ring opening reactions,respectively.The polyvinyl chloride(PVC)films(a/PVC,b/PVC and c/PVC)were prepared using a,b and c as bio-base plasticizers.The epoxidation and ring opening reactions were mainly investigated through GC-MS analysis.The structures of bio-base plasticizers(a,b and c)were confirmed by Fourier transform infrared spectroscopy(FT-IR),^(1)H NMR and ^(13)C NMR.The mechanical properties of a/PVC were as good as those of PVC films with the dioctyl phthalate(DOP)plasticizer.Meanwhile,the elongation at break of c/PVC reached 422%.The glass transition temperature(Tg)from dynamic mechanical analysis(DMA)was reduced to 30.6℃,45.3℃,23.6℃and 40.6℃,respectively when 40 phr of a,b,c and DOP plasticizer were added.Results of thermogravimetric analysis(TGA)illustrated that the thermal degradation stabilitiy of a/PVC films was better than those of c/PVC and DOP/PVC.The volatility losses of a,b and c were lower than that of the DOP.Bio-base plasticizers a and c exhibited excellent migration resistance in different solutions(distilled water,50%ethanol(w/w)).The FT-IR of PVC films showed that the downfield shifts of the—CH—Cl groups of the PVC plasticized with a and c were greater than that of b/PVC.The bio-base plasticizers b had a better plasticizing effect at low temperature. 关键词：bio-base plasticizer ring opening reaction glass transition temperature migration resistance polyvinyl chloride(PVC)

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Synthesis of Bio-base Plasticizer Using Waste Cooking Oil and Its Performance Testing in Soft Poly(vinyl chloride)Films

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