Two polymer–plastics experiments were developed for upper-level chemistry laboratories. In the first experiment, students prepare plasticized biopolymer films from aqueous solution and measure the dependence of mechanical properties on chemical composition. In the second experiment students encapsulate salicylic acid in a polymer matrix of poly(lactic acid-co-glycolic acid) and measure its release into water, which illustrates the use of polymers in drug-release biomedical applications.
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Stevens et al. (2006) studied this question.
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