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含无卤阻燃剂和协同材料的聚酰胺6基复合材料的燃烧性能研究

Investigation of the Fire Performance of Polyamide 6-Based Composites with Halogen-free Flame Retardants and Synergistic Materials.

作者信息

Uysalman Tugce, Sağlam Merve, Eraslan Kerim, Cekin Hava, Seki Yoldas, Altay Lutfiye, Sarikanat Mehmet

机构信息

İzmir Eğitim Sağlık Sanayi Yatırım A.Ş., Turgutlu 45400, Manisa, Turkey.

Faculty of Science, Dokuz Eylul University, Buca 35220, Izmir, Turkey.

出版信息

ACS Omega. 2022 Aug 9;7(33):28885-28895. doi: 10.1021/acsomega.2c02018. eCollection 2022 Aug 23.

DOI:10.1021/acsomega.2c02018
PMID:36033680
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9404469/
Abstract

In this study, halogen-free flame retardants and metal synergist materials were used to enhance the flammability of PA6. PA6-based composites including various fractions of additives were manufactured using a twin-screw extruder and an injection molding machine. Mechanical, thermal, physical, morphological, and flame retardant properties were investigated with several characterization methods. The study aims to meet R22 requirements based on the EN45545 standard for fire protection of railway vehicles, according to which limiting oxygen index (LOI), smoke density, and conventional index of toxicity (CIT) values under HL3 hazard levels have to be min 32%, max 300, and max 1.5, respectively. 15FR-2MH, 15FR-5MH, 15FR-1MH-1ZB, 15FR-1MH-1BOH, and 15FR-1MH-1SIL composites exhibited both the required smoke density, CIT, and LOI values for R22. It can be said that hybrid synergists provide all requirements according to the R22-EN45545 standard. Instead of using 15FR-2MH, 15FR-1MH-1BOH led to a lower smoke density value for PA6.

摘要

在本研究中，使用无卤阻燃剂和金属协同材料来提高PA6的阻燃性。使用双螺杆挤出机和注塑机制备了包含不同比例添加剂的PA6基复合材料。采用多种表征方法对其力学、热学、物理、形态和阻燃性能进行了研究。该研究旨在满足基于EN45545铁路车辆防火标准的R22要求，根据该标准，HL3危险等级下的极限氧指数（LOI）、烟密度和常规毒性指数（CIT）值分别必须至少为32%、最大为300和最大为1.5。15FR-2MH、15FR-5MH、15FR-1MH-1ZB、15FR-1MH-1BOH和15FR-1MH-1SIL复合材料均表现出符合R22要求的烟密度、CIT和LOI值。可以说，混合协同剂满足了R22-EN45545标准的所有要求。对于PA6，使用15FR-1MH-1BOH而非15FR-2MH可获得更低的烟密度值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/aa79a60083d9/ao2c02018_0011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/ac11798972dd/ao2c02018_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/8bf3c93ba74b/ao2c02018_0008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/aa79a60083d9/ao2c02018_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/2b1f24a72b13/ao2c02018_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/6d7ca350f9de/ao2c02018_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/cb6101e05f3a/ao2c02018_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/08f072ae8059/ao2c02018_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/9e0f9251e43b/ao2c02018_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/ac11798972dd/ao2c02018_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/8bf3c93ba74b/ao2c02018_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/fa0b39f29941/ao2c02018_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/e343f443aa6c/ao2c02018_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43d7/9404469/aa79a60083d9/ao2c02018_0011.jpg

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