Development in Flame-Retardant Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 1297

Special Issue Editor


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Guest Editor
College of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
Interests: organic high polymers; fire safety; flame-retardant materials; safety engineering; phase change material

Special Issue Information

Dear Colleagues,

Polymer composites are promising candidates for solving existing engineering problems due to their low density and excellent mechanical performance. However, inflammability creates potential fire hazards in a fire, including a high temperature and dense smoke, which may cause enormous property damage and casualties. Global fire-safety concerns are reflected in the massive volume of flame-retardant polymer composites that have been commercialized over the last two decades. In this sense, a huge amount of effort has been undertaken for the synthesis, characterization and commercialization of a broad variety of flame retardants. The development of new classes of flame retardants through the hybridization and/or modification of both conventional and novel additives has been the main route for creating polymers to protect against fire. 

This Special Issue, “Developments in Flame-Retardant Polymer Composites”, to be published in the Polymers journal, aims to cover the latest advancements in the preparation, properties and applications related to flame-retardant polymer composites and related research (flame-retardant mechanisms, synthetic methods, test methods, applications, etc.) with respect to the urgent requirement for fire safety. Both comprehensive reviews and original research articles are welcome.

Dr. Jiaji Cheng
Guest Editor

Manuscript Submission Information

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Keywords

  • polymer composites
  • flame-retardant
  • fire safety
  • mechanisms
  • smoke suppression and toxicity reduction
  • multi-functional polymers

Published Papers (1 paper)

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Research

12 pages, 3087 KiB  
Article
Flame-Retardant GF-PSB/DOPO-POSS Composite with Low Dk/Df and High Thermal Stability for High-Frequency Copper Clad Applications
by Ke Zheng, Yizhi Zhang, Jiaxiang Qiu, Guanqun Xie, Zengbiao Huang, Wei Lin, Zhimeng Liu, Qianfa Liu and Xiaoxia Wang
Polymers 2024, 16(4), 544; https://doi.org/10.3390/polym16040544 - 17 Feb 2024
Viewed by 835
Abstract
In the field of high-frequency communications devices, there is an urgent need to develop high-performance copper clad laminates (CCLs) with low dielectric loss (Df) plus good flame retardancy and thermal stability. The hydrocarbon resin styrene-butadiene block copolymer (PSB) was modified with the flame-retardant [...] Read more.
In the field of high-frequency communications devices, there is an urgent need to develop high-performance copper clad laminates (CCLs) with low dielectric loss (Df) plus good flame retardancy and thermal stability. The hydrocarbon resin styrene-butadiene block copolymer (PSB) was modified with the flame-retardant 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide/polyhedral oligomeric silsesquioxanes (DOPO-POSS) to meet the demands of high-frequency and high-speed applications. The resulting DOPO-POSS-modified PSB was used as the resin matrix along with other additives to fabricate PSB/DOPO-POSS laminates. At a high-frequency of 10 GHz, the laminates containing 20 wt.% of DOPO-POSS and with a thickness of 0.09 mm exhibited a Df of 0.00328, which is much lower compared with the commercial PSB/PX-200 composite (Df: 0.00498) and the PSB without flame retardancy (Df: 0.00453). Afterwards, glass fiber cloth (GF) was used as a reinforcing material to manufacture GF-PSB/DOPO-POSS composite laminates with a thickness of 0.25 mm. The flame retardancy of GF-PSB/DOPO-POSS composite laminate reached vertical burning (UL-94) V-1 grade, and GF-PSB/DOPO-POSS exhibited higher thermal and dynamic mechanical properties than GF-PSB/PX-200. The results of a limited oxygen index (LOI) and self-extinguishing time tests also demonstrated the superior flame-retardant performance of DOPO-POSS compared with PX-200. The investigation indicates that GF-PSB/DOPO-POSS composite laminates have significant potential for use in fabricating a printed circuit board (PCB) for high-frequency and high-speed applications. Full article
(This article belongs to the Special Issue Development in Flame-Retardant Polymer Composites)
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