Summary
A study of shrinkage-stress and thermal recovery on strain-induced semi-crystalline poly(ethylene-terephthalate) (PET) films has been undertaken. The residual shrinkage ratio is discussed in term of molecular disorientation in the non-crystalline region which occurs by shrinkage process, according with a composite solid model in a series coupling.
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Rletsch, F. Shrinkage stress and thermal recovery on strain-induced semi-crystalline polymers. Polymer Bulletin 15, 47–49 (1986). https://doi.org/10.1007/BF00263491
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DOI: https://doi.org/10.1007/BF00263491