构建高效阻燃涂层，提高玻璃纤维布的性能

IF 6.5 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2025-04-10 DOI:10.1016/j.coco.2025.102392

Yongqian Shi , Songqiong Jiang , Jinke Wu , Zhendong Chen , Cancan Zhang , Yun Zhang , Pingan Song , Yan Zhang

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引用次数: 0

摘要

为了满足不同环境下电缆的应用要求，开发绝缘、阻燃、高强度的电缆胶带势在必行。在热塑性聚氨酯（TPU）中加入硅包聚磷酸铵（SiAPP）和三氧化钼（MoO3），合成了新型磷酰胺阻燃剂苯基对甲基- n-（8-（甲氨基）辛基）膦酰胺（PPNPP），制备了一种新型无卤阻燃高强涂料，并在GFC表面双面涂覆并热固化，得到了TPU/玻璃纤维布（TPU/G-X）复合材料。与纯TPU包覆样品相比，含20 wt% SiAPP-PPNPP-MoO3 （TPU/G- spm -1）的TPU/G复合材料的放热率峰值和总放热结果分别降低了57.7%和36.8%。此外，与纯样品相比，TPU/G-SPM-1样品的一氧化碳产率峰和总一氧化碳产率峰分别降低了91.4%和98.9%，显示出良好的有毒气体抑制效果。该涂层还使GFC具有优异的力学性能，克服了玻璃纤维原有的耐磨性和脆性差的缺陷，TPU/G-SPM-1的抗拉强度比纯GFC提高了101%。本文提出了一种制备阻燃、机械强度高的TPU/G-X电缆带复合材料的新方法。

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Constructing efficient flame-retardant coatings to enhance the performances of glass fiber cloth

In order to meet the application requirements for cables in different environments, it is imperative to develop cable tapes with insulation, flame retardancy, and high strength. In this work, a new type of halogen-free flame-retardant and high-strength coating was prepared by synthesizing a new phosphoramide flame retardant phenyl P-methyl-N-(8-(methylamino)octyl) phosphonamidate (PPNPP) compounded with silicon wrapped ammonium polyphosphate (SiAPP) and molybdenum trioxide (MoO₃) added into thermoplastic polyurethane (TPU), and TPU/glass fiber cloth (GFC) (TPU/G-X) composites were obtained by double-sided coating on the surface of GFC and heat curing. Compared with those of the pure TPU-coated sample, the peak of heat release rate and total heat release results of the TPU/G composite containing 20 wt% SiAPP-PPNPP-MoO₃ (TPU/G-SPM-1) decreased by 57.7 % and 36.8 %, respectively. In addition, the TPU/G-SPM-1 sample showed an excellent toxic gases suppression effect, i.e. the peak of carbon monoxide production rate and total carbon monoxide yield decreased by 91.4 % and 98.9 %, respectively, compared with the pure sample. The coating also imparted excellent mechanical properties to the GFC, which overcame the original defects of glass fiber such as poor abrasion resistance and brittleness, and the tensile strength of TPU/G-SPM-1 was increased by 101 % compared with that of pure GFC. This work presents a new method for the preparation of flame-retardant and mechanically strong TPU/G-X composites used as cable tapes.

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.