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珍珠岩和蛭石矿物填充的乙烯-丙烯复合材料的表征：力学性能、阻隔性能和燃烧性能

Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties.

作者信息

Szadkowski Bolesław, Marzec Anna, Rybiński Przemysław, Żukowski Witold, Zaborski Marian

机构信息

Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland.

Institute of Chemistry, The Jan Kochanowski University, Żeromskiego 5, 25-369 Kielce, Poland.

出版信息

Materials (Basel). 2020 Jan 27;13(3):585. doi: 10.3390/ma13030585.

DOI:10.3390/ma13030585
PMID:32012769
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7040615/
Abstract

Perlite and vermiculite are naturally occurring minerals, commonly used by industry to obtain highly thermoisolative and/or non-flammable materials. However, there has been little research into the preparation and application of rubber compounds containing these inexpensive mineral fillers. Here, we show the benefits of perlite and vermiculite minerals as fillers for ethylene-propylene rubber (EPM) composites. To obtain more uniform dispersion and improved compatibility between the minerals and the elastomer matrix, 1-allyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (AMIMTFSI) and 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIMTFSI) imidazolium ionic liquids (ILs) were added. The mineral fillers were found to be attractive semi-reinforcing fillers, which also act as flame retardants in the elastomer composites. Furthermore, a higher content of vermiculite mineral significantly reduced the air permeability of the composites. The incorporation of ionic liquids into the EPM-filled systems had a considerable effect on the torque increment, crosslink density, and more importantly the flammability of the studied compounds. The application of 2.5 parts per hundred parts of rubber (phr) BMIMTFSI, in particular, reduced the flammability of the EPM composite, as the maximum heat release rate (HRR) decreased from 189.7 kW/m to 170.2 kW/m.

摘要

珍珠岩和蛭石是天然存在的矿物质，工业上通常用它们来制备高隔热和/或不可燃材料。然而，对于含有这些廉价矿物填料的橡胶复合材料的制备和应用，研究较少。在此，我们展示了珍珠岩和蛭石矿物作为乙烯-丙烯橡胶（EPM）复合材料填料的益处。为了使矿物与弹性体基体之间获得更均匀的分散并改善相容性，添加了1-烯丙基-3-甲基咪唑双（三氟甲基磺酰）亚胺（AMIMTFSI）和1-丁基-3-甲基咪唑双（三氟甲基磺酰）亚胺（BMIMTFSI）咪唑离子液体（ILs）。发现矿物填料是有吸引力的半增强填料，它们在弹性体复合材料中还可作为阻燃剂。此外，较高含量的蛭石矿物显著降低了复合材料的透气率。将离子液体引入填充EPM的体系对扭矩增量、交联密度以及更重要的是对所研究化合物的可燃性有相当大的影响。特别是，每百份橡胶（phr）添加2.5份BMIMTFSI降低了EPM复合材料的可燃性，因为最大热释放速率（HRR）从189.7kW/m降至170.2kW/m。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/15ac2596f734/materials-13-00585-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/ac919b3b0b81/materials-13-00585-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/4b54257889c8/materials-13-00585-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/5b43901a7820/materials-13-00585-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/4c842f907de9/materials-13-00585-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/b6abf7a04018/materials-13-00585-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/a7b8fb44b40d/materials-13-00585-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/8af8f4a77c8d/materials-13-00585-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/15ac2596f734/materials-13-00585-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/ac919b3b0b81/materials-13-00585-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/4b54257889c8/materials-13-00585-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/5b43901a7820/materials-13-00585-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/4c842f907de9/materials-13-00585-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/b6abf7a04018/materials-13-00585-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/a7b8fb44b40d/materials-13-00585-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/8af8f4a77c8d/materials-13-00585-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/406f/7040615/15ac2596f734/materials-13-00585-g008.jpg

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