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离聚物——新一代离聚物：基于阳离子和阴离子可调性对其相互作用和结构化的理解

LIonomers-New Generation of Ionomer: Understanding of Their Interaction and Structuration as a Function of the Tunability of Cation and Anion.

作者信息

Hou Liutong, Livi Sébastien, Gérard Jean-François, Duchet-Rumeau Jannick

机构信息

Université de Lyon, CNRS, Université Claude Bernard Lyon 1, INSA Lyon, Université Jean Monnet, UMR 5223, Ingénierie des Matériaux Polymères, CEDEX, F-69621 Villeurbanne, France.

出版信息

Polymers (Basel). 2023 Jan 10;15(2):370. doi: 10.3390/polym15020370.

DOI:10.3390/polym15020370
PMID:36679248
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9865942/
Abstract

In this work, by combining maleic anhydride-grafted polypropylene (PPgMA) and three different ionic liquids (ILs), i.e., tributyl (ethyl) phosphonium diethyl phosphate (denoted PDEP), 1-ethyl-3-methylimidazolium diethyl phosphate (denoted EMIM DEP), and 1-ethyl-3-methylimidazolium acetate (denoted EMIM Ac), new ionic PP/IL polymer materials are generated and denoted as LIonomers. The structuration of ILs in LIonomers occurs from a nano/microphase separation process proved by TEM. NMR analyses reveal the existence of ionic-ionic and ionic-dipolar interactions between PPgMA and ILs within LIonomers. The rheological behavior of such IL/polymer combinations interpret the existence of interactions between maleic anhydride group and cation or anion composing the ionic liquid. These interactions can be tuned by the nature of cation (PDEP vs. EMIM DEP) and anion (EMIM DEP vs. EMIM Ac) but also depend on the IL content. Thermal analyses demonstrate that IL could affect the crystallization process according to different pathways. Thanks to the maleic anhydride/IL interactions, an excellent compromise between stiffness and stretchability is obtained paving the way for processing new polyolefin-based materials.

摘要

在本工作中，通过将马来酸酐接枝聚丙烯（PPgMA）与三种不同的离子液体（ILs），即磷酸二乙酯三丁基（乙基）鏻（记为PDEP）、磷酸二乙酯1-乙基-3-甲基咪唑鎓（记为EMIM DEP）和乙酸1-乙基-3-甲基咪唑鎓（记为EMIM Ac）相结合，生成了新型离子型PP/IL聚合物材料，并将其称为离聚物。通过透射电子显微镜（TEM）证明，离聚物中离子液体的结构化是由纳米/微相分离过程产生的。核磁共振（NMR）分析揭示了离聚物中PPgMA与离子液体之间存在离子-离子和离子-偶极相互作用。这种离子液体/聚合物组合的流变行为解释了马来酸酐基团与构成离子液体的阳离子或阴离子之间相互作用的存在。这些相互作用可以通过阳离子（PDEP与EMIM DEP）和阴离子（EMIM DEP与EMIM Ac）的性质进行调节，但也取决于离子液体的含量。热分析表明，离子液体可以根据不同途径影响结晶过程。由于马来酸酐/离子液体的相互作用，在刚度和拉伸性之间实现了极佳的平衡，为加工新型聚烯烃基材料铺平了道路。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/e69dc5fc30a9/polymers-15-00370-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/206f2367eb37/polymers-15-00370-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/04726653cccc/polymers-15-00370-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/d682d764031b/polymers-15-00370-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/dc43f5f9eb34/polymers-15-00370-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/61cab45409bd/polymers-15-00370-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/1cc30db58273/polymers-15-00370-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/299c7e1d71c3/polymers-15-00370-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/e69dc5fc30a9/polymers-15-00370-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/cb4ecd069d45/polymers-15-00370-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/cab3cf567785/polymers-15-00370-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/ecc9b88a3205/polymers-15-00370-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/206f2367eb37/polymers-15-00370-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/04726653cccc/polymers-15-00370-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/d682d764031b/polymers-15-00370-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/dc43f5f9eb34/polymers-15-00370-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/61cab45409bd/polymers-15-00370-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/1cc30db58273/polymers-15-00370-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/299c7e1d71c3/polymers-15-00370-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d63e/9865942/e69dc5fc30a9/polymers-15-00370-g010.jpg

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