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The effect of natural modifiers for starch hydrophobization on performance of composite based on ethylene acrylic acid copolymer
Polymer Composites ( IF 4.8 ) Pub Date : 2020-12-08 , DOI: 10.1002/pc.25903 Aleksandar D. Marinković 1 , Marija M. Vuksanović 2 , Nataša Karić 3 , Veljko Đokić 3 , Mina Popović 4 , Radmila Jančić Heinemann 1 , Nataša Z. Tomić 3
Polymer Composites ( IF 4.8 ) Pub Date : 2020-12-08 , DOI: 10.1002/pc.25903 Aleksandar D. Marinković 1 , Marija M. Vuksanović 2 , Nataša Karić 3 , Veljko Đokić 3 , Mina Popović 4 , Radmila Jančić Heinemann 1 , Nataša Z. Tomić 3
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As a renewable resource, starch is considered to be fully biodegradable and nonpolluting to the environment but the hygroscopicity of starch is the main disadvantage for wider applicability in the production of a polymer‐based material. Hydrophobically modified starch prepared using natural‐based plasticizers/modifiers in a first step ([−]‐diisopropyl D‐tartrate [DiPT], ricinoleic acid [RA] and epoxidized soybean oil [ESO]), and maleated polypropylene (MAPP) in a second step contributed to better compatibility, and thus reinforcing of composites. Tailored processing conditions, structural/morphological properties, hydrophobicity, and water‐resistance of the modified starch were established. In addition, the Charpy impact and tensile strength of composites, based on poly(ethylene‐co‐acrylic acid) (EAA) and modified starches, were determined. Increased tensile strength and Young modulus of the composite using starch‐modified with DiPT‐MAPP, that is, 3 and 83%, respectively, indicated the possible applicability of obtained materials.
中文翻译：
淀粉疏水化天然改性剂对乙烯丙烯酸共聚物基复合材料性能的影响
作为一种可再生资源，淀粉被认为是完全可生物降解的，并且对环境无污染，但是淀粉的吸湿性是其在聚合物基材料生产中的广泛适用性的主要缺点。第一步，使用天然增塑剂/改性剂（[-]-D-酒石酸二异丙酯[DiPT]，蓖麻油酸[RA]和环氧化大豆油[ESO]）和马来酸聚丙烯（MAPP）制备疏水改性的淀粉第二步有助于更好的相容性，从而增强复合材料。建立了改性淀粉的量身定制的加工条件，结构/形态特性，疏水性和耐水性。此外，基于聚（乙烯-钴）的复合材料的夏比冲击强度和拉伸强度确定了丙烯酸（EAA）和变性淀粉。使用DiPT-MAPP改性的淀粉可提高复合材料的拉伸强度和杨氏模量，分别为3％和83％，表明所得材料可能具有适用性。
更新日期：2020-12-08
中文翻译：
淀粉疏水化天然改性剂对乙烯丙烯酸共聚物基复合材料性能的影响
作为一种可再生资源，淀粉被认为是完全可生物降解的，并且对环境无污染，但是淀粉的吸湿性是其在聚合物基材料生产中的广泛适用性的主要缺点。第一步，使用天然增塑剂/改性剂（[-]-D-酒石酸二异丙酯[DiPT]，蓖麻油酸[RA]和环氧化大豆油[ESO]）和马来酸聚丙烯（MAPP）制备疏水改性的淀粉第二步有助于更好的相容性，从而增强复合材料。建立了改性淀粉的量身定制的加工条件，结构/形态特性，疏水性和耐水性。此外，基于聚（乙烯-钴）的复合材料的夏比冲击强度和拉伸强度确定了丙烯酸（EAA）和变性淀粉。使用DiPT-MAPP改性的淀粉可提高复合材料的拉伸强度和杨氏模量，分别为3％和83％，表明所得材料可能具有适用性。
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