Environmental Impact of Polymer Additives

Antioxidants have to be soluble in plastics to exert their effects. This means that they are also soluble in fats and oils with which the plastics 

PVC plasticisers have recently come under suspicion as a possible reason for the observed reduction in human sperm count. The causal link between plasticisers and reduced human fertility has not been established to the satisfaction of most epidemiologists and it is essentially based on the theory that the similar shape of plasticiser molecules to the oestrogens allow them to mimic the sex hormones in vivo. 

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