Enhancing the Properties of ABS/PET Blends for 3D Printing by Functionalized Janus Nanosheets

IF 3.6 4区工程技术 Q2 ENGINEERING, CHEMICAL

Polymer Engineering and Science Pub Date : 2025-07-03 DOI:10.1002/pen.70045

Yujia Liu, Hui He, Cheng Zhang, Hongyu Zhai, Luyun Han, Cheng Yang

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引用次数: 0

Abstract

ABSTRACT Nanofillers are widely used to enhance the properties of polymeric materials due to their small particle size and high specific surface area. In this study, functionalized silica‐based Janus nanosheets (JNS) grafted with styrene–acrylonitrile copolymer (SAN) chains on one side and epoxy groups on the opposite side have been synthesized, termed SAN‐Silica‐epoxy JNS, and incorporated as modifiers into the acrylonitrile‐butadiene‐styrene copolymer/polyethylene terephthalate (ABS/PET) blends for fused deposition modeling (FDM) applications via melt‐extrusion processing. Compared to the unmodified blends, ABS/PET blends with the addition of only 0.5 phr SAN‐silica‐epoxy JNS exhibited significant property enhancements, where the melt flow rate was increased by 47.9%, layer adhesion was enhanced by 115.7%, and warpage degree was reduced by 48.8%. Furthermore, the mechanical performance of ABS/PET blends was endowed with simultaneous optimization, such as a 74% increase in impact strength and a 13% increase in tensile strength. This work introduces a strategy for developing 3D printing materials that combine excellent 3D printing processability with superior mechanical performance through interfacial compatibility optimization and nanofiller reinforcement.

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功能化Janus纳米片增强ABS/PET共混物的3D打印性能

纳米填料因其粒径小、比表面积高而被广泛用于增强高分子材料的性能。在本研究中，合成了一侧接枝苯乙烯-丙烯腈共聚物（SAN）链，另一侧接枝环氧基的功能化二氧化硅基Janus纳米片（JNS），称为SAN -二氧化硅-环氧基JNS，并将其作为改性剂加入到丙烯腈-丁二烯-苯乙烯共聚物/聚对苯二甲酸乙二醇酯（ABS/PET）共混物中，通过熔融挤压加工用于熔融沉积建模（FDM）应用。与未改性共混物相比，仅添加0.5 phr的SAN - silica - epoxy JNS， ABS/PET共混物的熔体流动速率提高了47.9%，层粘结力提高了115.7%，挠曲度降低了48.8%。同时，ABS/PET共混物的力学性能也得到了优化，冲击强度提高74%，拉伸强度提高13%。这项工作介绍了一种开发3D打印材料的策略，该材料通过界面兼容性优化和纳米填料增强，将优异的3D打印可加工性与优异的机械性能结合起来。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polymer Engineering and Science 工程技术-高分子科学

CiteScore

5.40

自引率

18.80%

发文量

329

审稿时长

3.7 months

期刊介绍： For more than 30 years, Polymer Engineering & Science has been one of the most highly regarded journals in the field, serving as a forum for authors of treatises on the cutting edge of polymer science and technology. The importance of PE&S is underscored by the frequent rate at which its articles are cited, especially by other publications - literally thousand of times a year. Engineers, researchers, technicians, and academicians worldwide are looking to PE&S for the valuable information they need. There are special issues compiled by distinguished guest editors. These contain proceedings of symposia on such diverse topics as polyblends, mechanics of plastics and polymer welding.