PA56/POE-g-MAH-GMA/PPO三元合金的制备及性能研究

IF 2 4区工程技术 Q3 ENGINEERING, CHEMICAL

Advances in Polymer Technology Pub Date : 2023-12-05 DOI:10.1155/2023/3114639

Yunsheng Chong, Liyan Wang, Xiangming Xu, Xiao Zhuang, Rongrong Zheng, Di Cao, Yanming Chen

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引用次数: 0

摘要

以生物基PA56为基体树脂，马来酸酐(MAH)和甲基丙烯酸缩水甘油酯(GMA)双单体接枝POE (POE-g-MAH/GMA)聚苯醚(PPO)同时作为增韧剂。采用双螺杆挤出机熔融共混法制备了PPO含量为10 wt%、PPO含量不同的PA56/POE-g-MAH-GMA/PPO三元合金。研究了PA56/POE-g-MAH-GMA/PPO三元合金的组织和性能。结果表明:各合金的显微形貌均表现出明显的“海岛”组织;PA56为连续的海相，岛相呈“核壳结构”，蚀刻的POE-g-MAH-GMA粒子为核，PPO为壳。当PPO质量分数为30%时，合金的相对结晶度为11.56%，比纯PA56低1.68倍;合金的缺口冲击强度为42.1 kJ/m2，达到纯PA56的11.7倍;吸水率为1.22%，比纯PA56低3.22倍。

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Preparation and Property Study of PA56/POE-g-MAH-GMA/PPO Ternary Alloy

Bio-based PA56 is as matrix resin, maleic anhydride (MAH), and glycidyl methacrylate (GMA) dual monomer grafted POE (POE-g-MAH/GMA) polyphenyl ether(PPO) are simultaneous as toughening agents. The PA56/POE-g-MAH-GMA/PPO ternary alloys containing 10 wt% POE-g-MAH-GMA with different PPO content prepared by the melt blending method through twin screw extruder. The structure and property of PA56/POE-g-MAH-GMA/PPO ternary alloys were studied. The results showed that the microscopic morphology of each alloy showed an obvious “sea-island” structure. PA56 is a continuous sea phase, and the island phase assumes the “core–shell structure,” the etched POE-g-MAH-GMA particles are as the nucleus, and PPO are as the shell. When the PPO mass fraction is 30%, the relative crystallinity of the alloy is 11.56%, which is 1.68 times lower compared to the pure PA56, the alloy notch impact strength is 42.1 kJ/m², and reaches 11.7 times of pure PA56; the water absorption rate of 1.22%, which is 3.22 times lower than pure PA56.

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来源期刊

Advances in Polymer Technology 工程技术-高分子科学

CiteScore

5.50

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Advances in Polymer Technology publishes articles reporting important developments in polymeric materials, their manufacture and processing, and polymer product design, as well as those considering the economic and environmental impacts of polymer technology. The journal primarily caters to researchers, technologists, engineers, consultants, and production personnel.