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首页> 外文会议>Waikato Young Research Engineers Symposium >Decoloured Novatein and PLA Blends Compatibilized with Itaconic Anhydride
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Decoloured Novatein and PLA Blends Compatibilized with Itaconic Anhydride

机译：用衣康酸酐与衣康酸酐相容的脱色新蛋白和PLA混合物

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摘要

Poly (lactic acid) (PLA) was modified through free radical grafting of itaconic anhydride to create reactive side-chain groups. Modified PLA was blended with Decoloured Novatein (DNTP), a thermoplastic protein material using reactive extrusion to produce a degradable material with improved properties compared to neat Decoloured Novatein. Varying ratios of blends were prepared. DNTP/PLA blends was found to increase tensile strength between 22% to 538% and modulus between 201 GPa to 3193 GPa, whereas the strain at break decreased between 80% to 94% depending on the blend ratio. The glass transition temperature of the blends which was measured as the tan δ peak, also revealed an increase when compared to neat DNTP. Scanning electron microscope revealed an enhanced interfacial adhesion between the two phases in the blends with PLA-g-IA suggesting a more homogenous microstructure. The results show the possibility and feasibility of blending DNTP with PLA for use in agricultural and packaging applications.
机译：通过自由基移植衣康酸酐来改变聚（乳酸）（PLA）以产生反应性侧链基团。改性PLA与脱色的新蛋白（DNTP）混合，使用反应性挤出的热塑性蛋白质材料，与整齐的脱色的新生素相比，具有改善的性能，具有改善的性能。制备不同的混合物比例。发现DNTP / PLA混合物在201％至538％的抗拉强度增加到201％至538％，而201GPa至3193GPa之间的模量，而断裂菌株根据混合物比率降低80％至94％。与整齐的DNTP相比，测量的混合物的玻璃化转变温度也显示出增加的增加。扫描电子显微镜揭示了与PLA-G-Ia中共混物中两相之间的增强的界面粘合性，提示更均匀的微观结构。结果表明，将DNTP与PLA混合用于农业和包装应用的可能性和可行性。

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