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首页> 外文期刊>Journal of Applied Polymer Science >Effect of pine resin derivatives on the structural, thermal, and mechanical properties of Mater-Bi type bioplastic
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Effect of pine resin derivatives on the structural, thermal, and mechanical properties of Mater-Bi type bioplastic

机译：松树树脂衍生物对Mater-Bi型生物塑料结构，热和力学性能的影响

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摘要

The effect of three additives derived from pine resin, namely, gum rosin (GR) and two pentaerythritol ester of GR, Lurefor (LF) and Unik Tack (UT), in 5, 10, and 15 wt %, on the properties of Mater-Bi, based on plasticized starch, poly(butylene adipate-co-terephthalate), and poly(epsilon-caprolactone) (PCL), obtained by injection molding processes, was studied. The mechanical, microstructural, and thermal properties were evaluated. LF had a cohesive behavior with the components of Mater-Bi, increasing the toughness of the material up to 250% accompanied by an increase of tensile modulus and tensile strength. UT had an intermediate behavior, conferring cohesive and plasticizing effects, allowing an increase of 105% in impact resistance. GR had a more marked plasticizing effect. This allows processing temperatures of about 50 degrees C lower than those used for neat Mater-Bi. In addition, an increase of the elongation at break, toughness, and impact resistance in 370, 480, and 250%, respectively, was achieved. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48236.
机译：衍生自松树树脂的三种添加剂，即Gum松香（GR）和Gr，Lurefor（LF）和Unik tack（UT），5,10和15wt％的谷氨酸酯，5,10％（ut）的效果对母体的性质研究了通过注射成型方法获得的聚（丁烯己二酸丁二醇酯）和聚（ε-己内酯）（PCL）的聚（ε-己内酯）（PCL）的基于塑化的淀粉。评估机械，微观结构和热性质。 LF与MATER-BI的组件有一个粘性行为，增加了高达250％的材料的韧性，伴随着拉伸模量和拉伸强度的增加。 UT具有中间行为，赋予粘性和增塑作用，允许抗冲击性增加105％。 GR具有更明显的塑化效果。这允许比用于整齐的Mater-Bi的处理温度约为50摄氏度。此外，达到了370,480和250％分别在370,480和250％的断裂，韧性和抗冲击性处于伸长率的增加。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48236。

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