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July 9, 2024European Polymer JournalOpen Access

Advancing sustainable shape memory polymers through 4D printing of polylactic acid-polybutylene adipate terephthalate blends

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Authors

DRDavood RahmatabadiUniversity of TehranMKMahdi KhajepourUniversity of TehranABAbbas BayatiUniversity of Tehran

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Implication

Experimental analysis reveals rapid thermal recovery in 4D printed polylactic acid blends, highlighting a biodegradable alternative to synthetic fillers.

Key Points

  • Blending polylactic acid with 45 % polybutylene adipate terephthalate achieves 220 % elongation and 93 % shape recovery within a few seconds.
  • Assessment of 4D printed shape memory polymers revealed that the 15 % blend maintained 40 MPa strength while the 30 % blend minimized layer porosity.
  • Sustainable shape memory polymers blended with polybutylene adipate terephthalate eliminate synthetic carbon fillers while ensuring rapid recovery.

Cite This Study

Rahmatabadi et al. (2024) studied this question.

synapsesocial.com/papers/68e60ceeb6db6435875a0a69https://doi.org/10.1016/j.eurpolymj.2024.113289
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