芳基和1,6-二氨基己烷酰亚胺键合聚酰亚胺泡沫的新合成

IF 2 4区 工程技术 Q3 ENGINEERING, CHEMICAL
Dong Chen, Chun-Hua Chen, W. Whang, Chunping Su
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引用次数: 2

摘要

本文成功合成了一种具有柔性脂肪族二胺(1,6-二氨基己烷(HMDA))段的新型聚酰亚胺泡沫(pif)。脂肪族HMDA片段被随机纳入长链芳香亚胺键。不同HMDA含量(0 ~ 20 mol%)的pif表现出密度降低、细胞直径增大(HMDA含量较高)、开孔率增加等不同形态。HMDA使共聚物具有柔韧性,导致刚性降低。与使用4,4 ' -氧二胺(ODA)作为唯一的二胺源相比,加入低成本的HMDA将增加PIF的灵活性,提高其可加工性,同时使生产更具成本效益。在一定的热性能和机械性能受损的范围内,该方法在工业应用中是可行的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Synthesis of Polyimide Foams with Aromatic and 1,6-Diaminohexane Imide Bonding
A novel type of polyimide foams (PIFs) with chemically inserted flexible aliphatic diamine (1,6-diaminohexane (HMDA)) segments was successfully synthesized and characterized in this research. The aliphatic HMDA segments were randomly incorporated in the long chain aromatic imide bonds. The obtained PIFs containing various HMDA contents (0 to 20 mol%) exhibited different morphologies such as lowered density and larger cell diameter (with higher HMDA content), and open cell ratio was increased as well. HMDA rendered flexibility to the copolymer leading to decreased rigidity. Compared to using 4,4 ′ -oxydianiline (ODA) as the sole diamine source, incorporating low cost of HMDA would increase the PIF’s flexibility and improve its processibility while making the production more cost effective. Within some range of compromised thermal and mechanical properties, this proposed method could be feasible for industrial applications.
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来源期刊
Advances in Polymer Technology
Advances in Polymer Technology 工程技术-高分子科学
CiteScore
5.50
自引率
0.00%
发文量
70
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.
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