The influences of nano‐particles (nano‐sized CaCO3 and nano‐sized SiO2) on plasticizers volatility, solvent extraction stability, and exudation stability of flexible PVC were studied. The results showed that nano‐particles could reduce migration of plasticizers, thus improved the ability of anti‐migration of flexible PVC. Further more, nano‐sized SiO2 shows excellent property than nano‐sized CaCO3 in resistance migration of plasticizers.
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Yang et al. (2009) studied this question.
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