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<p>Herein, a novel potential ink for 3D bio-printing, composed of itaconic acid and 1,4-butanediol, was prepared and analyzed. This study investigated the effect of curing time on UV-crosslinked polymer films. The degree of curing was studied using FTIR and gel content analyses. The evaluation of thermal properties was conducted using DSC and TG analyses. The mechanical properties of the polymer films were evaluated using bending strength, tensile strength, and DMA analyses. Some of the polymer films were investigated for their cytotoxicity (cell viability &gt; 80% for every investigated material). The proposed poly(tetramethylene itaconate) (PBItc) with DEAP photoinitiator as a composition remains underexplored. The UV-crosslinked polymer films exhibit good mechanical properties (Young’s Modulus = 0.32–1.64 GPa) and thermal properties (heat resistance = 116–130&#xa0;°C). PBItc films underwent acidic, hydrolytic, and alkaline degradation for 60 days (remaining mass &gt; 80%). The properties of the PBItc films show potential for applications in tissue engineering scaffolds with slower biodegradation rates.</p>

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UV-Induced Crosslinking of Poly(tetramethylene itaconate): Toward Sustainable Polymer Networks

  • 期刊论文

  • 发表日期：

    2026年3月6日

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  • Magdalena Miętus,
  • Maria Marecka,
  • Tomasz Gołofit,
  • Aleksandra Bandzerewicz,
  • Maciej Pilarek,
  • Kamil Wierzchowski,
  • Miroslav Šlouf,
  • Jiří Hodan,
  • Paweł Falkowski,
  • Agnieszka Gadomska-Gajadhur

摘要

Herein, a novel potential ink for 3D bio-printing, composed of itaconic acid and 1,4-butanediol, was prepared and analyzed. This study investigated the effect of curing time on UV-crosslinked polymer films. The degree of curing was studied using FTIR and gel content analyses. The evaluation of thermal properties was conducted using DSC and TG analyses. The mechanical properties of the polymer films were evaluated using bending strength, tensile strength, and DMA analyses. Some of the polymer films were investigated for their cytotoxicity (cell viability > 80% for every investigated material). The proposed poly(tetramethylene itaconate) (PBItc) with DEAP photoinitiator as a composition remains underexplored. The UV-crosslinked polymer films exhibit good mechanical properties (Young’s Modulus = 0.32–1.64 GPa) and thermal properties (heat resistance = 116–130 °C). PBItc films underwent acidic, hydrolytic, and alkaline degradation for 60 days (remaining mass > 80%). The properties of the PBItc films show potential for applications in tissue engineering scaffolds with slower biodegradation rates.