A new biobased plasticizer for poly(vinyl chloride) based on epoxidized cottonseed oil

被引：39
作者：
Carbonell-Verdu, Alfredo [1 ]
Garcia-Sanoguera, David [1 ]
Jorda-Vilaplana, Amparo [2 ]
Sanchez-Nacher, Lourdes [1 ]
Balart, Rafael [1 ]
机构：
[1] Univ Politecn Valencia, ITM, Plaza Ferrandiz & Carbonell 1, Alicante 03801, Spain
[2] Univ Politecn Valencia, Dept Expres Grafica Ingn, Plaza Ferrandiz & Carbonell 1, Alicante 03801, Spain
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2016年 / 133卷 / 27期
关键词：
mechanical properties; plasticizer; poly(vinyl chloride); PVC PLASTISOLS; MECHANICAL-PROPERTIES; FATTY-ACID; MIGRATION; GELATION; OPTIMIZATION; ADDITIVES; FUSION; ESTER; FILMS;
D O I：
10.1002/app.43642
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The use of epoxidized cottonseed oil as plasticizer for poly(vinyl chloride) was studied. The plasticizer content was set to 70 phr and the optimum isothermal curing conditions were studied in the temperature range comprised between 160 and 220 degrees C with varying curing times in the 7.5-17.5 min range. The influence of the curing conditions on overall performance of cured plastisols was followed by the evolution of mechanical properties (tensile tests with measurements of tensile strength, elongation at break, and modulus), change in color, surface changes of fractured samples by scanning electron microscopy (SEM), thermal transitions by differential scanning calorimetry, and migration in n-hexane. The optimum mechanical features of cured plastisols are obtained for curing temperatures in the 190-220 degrees C range. For these curing conditions, fractography analysis by SEM gives evidences of full curing process as no PVC particles and free plasticizer can be found. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43642.
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页数：10
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