Influence of Soybean Oil on the Properties of Soft PVC
The influence on the properties PVC was studied by thermal stability analysis when epoxidized soybean oil was used as a assistant heat stabilizer.The result was showed that PVC specimens changed color quickly when epoxidized soybean oil used separately.The synergistic effect of epoxidized soybean oil with calcium zinc complex stabilizer was obvious,and soft PVC showed good thermal stability.At the same time,the influence of different dosage of epoxy soybean oil on the transparency and mechanical properties of soft PVC was studied.The dosage of epoxy soybean oil should not be higher than 2 parts,otherwise the transparency and mechanical properties of soft PVC would decrease.
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