Study on Migration Model of Phthalic Acid Esters Plasticizer in Different Kinds of Plastic Bottle Packaging Materials
With the social development and the scientific progress, more and more plastic products have been used as packaging materials, especially the plastic bottles widely used in food package. With the plasticizers used in different kinds of plastic bottle packaging materials PE, PET, and PVC as study objects, the migrations of plasticizers into food simulants were studied by univariate analysis (food simultant kind, temperature and time) in this paper. Meanwhile, the migration model of phthalic acid esters in different plastic bottle packaging materials was established on the basis of Fick diffusion, and finally the migration of phthalic acid esters plasticizer into the food simulant was stimulated numerically by means of MATLAB software to forecast the migration rule and quantity of phthalic acid ester plasticizer.
KeywordsPlastic bottle Phthalic acid esters Migration model
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