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Sheets are usually made by film blowing, or some other technique which involves uniaxial or biaxial stretching followed by rapid cooling. The cooling (and, usually, crystallisation) of the material is usually so fast that the polymer chains have no chance to relax from their elongated state. In the film or sheet, the chains are now frozen in in their ...


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"Microplastic" breaks off from solid plastic material by mechanical wear, often following a degradation of the material by environmental influence like oxygen, light, ... The inside of reusable water bottles does not experience mechanical wear. Single use bottles even less. Any microplastic particles in there must obviously have come with whatever beverage ...


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You are talking about two different things and phenomena. One is leaching-which means chemicals in the plastic dissolve into the solution with the passage of time. The other thing is literally physical pieces of microplastics- they are not dissolved but they are actual microscopic pieces of plastic just like very fine dust is present in air. It is not ...


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