So every time we get bread it comes in a stretchy bag. However, once we pull it out of the freezer later the bag is noticeably more crinkly and brittle. Anyone know why this is? I can’t seem to find an answer to this phenomenon anywhere.

  • ironhydroxide@sh.itjust.works
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    2 months ago

    I’d say this is probably thermal cycling. Some polymers can degrade with repeated thermal cycling (ie tires ‘cycling out’). Google scholar has a few papers on it.