Compatibility study of recycled Polypropylene (PP)/Poly(ethylene terephthalate) (PET) blends nanocomposites with PP‐g‐MAH: Modeling of twin screw extrusion

IF 3.1 4区工程技术 Q2 POLYMER SCIENCE

Polymers for Advanced Technologies Pub Date : 2024-09-02 DOI:10.1002/pat.6557

Dajeong Gwon, Dohyeong Kim, Jaseung Koo

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Abstract

Although the utilization of recycled polymers is essential to sustain the environment, conventional recycled polymers face limitations in application due to the degradation of their properties caused by impurities. To solve the problem the performance deterioration of these recycled polymers, this study aimed to enhance their compatibility by chemically adding polypropylene‐graft‐maleic anhydride (PP‐g‐MAH) and physically manipulate a screw profile by using an extrusion simulation program. As a result of applying the optimized extrusion process set by the simulation program, significant improvements in the compatibility and dispersion of fillers within the polymer were observed through scanning electron microscopy image analysis. In addition, through detailed analysis of rheological data, the positive impact of adding compatibilizer and changing screw profile on rheological properties was demonstrated. As the compatibility of recycled polymer blends improved, tensile strength increased by approximately two‐fold and thermal conductivity was significantly improved, which were decisive factors in dramatically enhancing the performance of recycled polymers. These improved polymer properties provide an opportunity for recycled polymers to be applied more broadly and will expand the potential for new applications in various industrial fields.

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再生聚丙烯（PP）/聚对苯二甲酸乙二酯（PET）共混纳米复合材料与 PP-g-MAH 的相容性研究：双螺杆挤压成型建模

尽管再生聚合物的利用对环境的可持续发展至关重要，但传统的再生聚合物由于杂质导致的性能退化而在应用中受到限制。为了解决这些回收聚合物性能下降的问题，本研究旨在通过化学添加聚丙烯接枝马来酸酐（PP-g-MAH）和使用挤出模拟程序对螺杆轮廓进行物理操作来增强其兼容性。应用模拟程序设定的优化挤出工艺后，通过扫描电子显微镜图像分析，聚合物中填料的相容性和分散性得到了显著改善。此外，通过对流变数据的详细分析，还证明了添加相容剂和改变螺杆轮廓对流变特性的积极影响。随着再生聚合物混合物相容性的改善，拉伸强度提高了约两倍，导热性能也显著提高，这些都是大幅提高再生聚合物性能的决定性因素。这些聚合物性能的改善为再生聚合物的更广泛应用提供了机会，并将拓展其在各个工业领域的新应用潜力。

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来源期刊

Polymers for Advanced Technologies 工程技术-高分子科学

CiteScore

6.20

自引率

5.90%

发文量

337

审稿时长

2.1 months

期刊介绍： Polymers for Advanced Technologies is published in response to recent significant changes in the patterns of materials research and development. Worldwide attention has been focused on the critical importance of materials in the creation of new devices and systems. It is now recognized that materials are often the limiting factor in bringing a new technical concept to fruition and that polymers are often the materials of choice in these demanding applications. A significant portion of the polymer research ongoing in the world is directly or indirectly related to the solution of complex, interdisciplinary problems whose successful resolution is necessary for achievement of broad system objectives. Polymers for Advanced Technologies is focused to the interest of scientists and engineers from academia and industry who are participating in these new areas of polymer research and development. It is the intent of this journal to impact the polymer related advanced technologies to meet the challenge of the twenty-first century. Polymers for Advanced Technologies aims at encouraging innovation, invention, imagination and creativity by providing a broad interdisciplinary platform for the presentation of new research and development concepts, theories and results which reflect the changing image and pace of modern polymer science and technology. Polymers for Advanced Technologies aims at becoming the central organ of the new multi-disciplinary polymer oriented materials science of the highest scientific standards. It will publish original research papers on finished studies; communications limited to five typewritten pages plus three illustrations, containing experimental details; review articles of up to 40 pages; letters to the editor and book reviews. Review articles will normally be published by invitation. The Editor-in-Chief welcomes suggestions for reviews.