两步法共混具有显著热流变差异的高性能聚合物:PEI和PBT

Q2 Materials Science
M. Vásquez‐Rendón, Natalia Sánchez-Arrieta, M. Álvarez‐Láinez
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引用次数: 4

摘要

高性能聚合物(HPP)之间的共混物研究很少,特别是通过熔融加工生产的共混物。在这项工作中,提出了一种新的方法来制备具有显著加工温差的聚合物:聚醚亚胺(PEI)和聚对苯二甲酸丁二酯(PBT)之间的共混物。对纯材料进行热学和流变学评价后确定了工艺参数,结果表明这些共混物需要分步生产。发现了降低PEI加工温度和减少PBT高温水解的协同效应。建议的方法允许在相同的加工条件下在整个组成范围内生产HPP之间的共混物。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Two-Step Processing Method for Blending High-Performance Polymers with Notable Thermal and Rheological Differences: PEI and PBT
ABSTRACT Blends between high-performance polymers (HPP) are barely studied, especially those produced by melting processing. In this work, it is proposed a novel methodology to prepare blends between polymers with notable processing temperature differences: poly(ether imide) (PEI) and poly(butylene terephthalate) (PBT). Processing parameters are settled after thermal and rheological evaluation of pure materials, those results suggest these blends need to be produced by steps. It is found a synergistic effect such as lowering PEI processing temperature and reducing PBT hydrolysis at high temperatures. Propose methodology allows to produce blends between HPP in the whole composition range with the same processing conditions. GRAPHICAL ABSTRACT
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来源期刊
Polymer-Plastics Technology and Engineering
Polymer-Plastics Technology and Engineering 工程技术-高分子科学
CiteScore
1.71
自引率
0.00%
发文量
0
审稿时长
4 months
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