季戊四醇衍生磷基双环聚合物对可燃性的影响

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

International Journal of Polymer Analysis and Characterization Pub Date : 2025-04-03 DOI:10.1080/1023666X.2024.2445679

Shikha , Neelam Yadav

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引用次数: 0

摘要

成功合成了1-氧磷-4-羟甲基-2,6,7-三沙环[2.2.2]辛烷（PEPA），制备了一种丙烯酸基PEPA基单体及其聚合物。采用核磁共振（NMR）、1H和31P谱来确定其结构完整性。采用热重分析（TGA）、限氧指数（LOI）和UL-94测试，考察了添加15%阻燃剂（PhosPTPU15、磷功能化聚合物热塑性聚氨酯）的体系的热特性和阻燃性能。结果表明，在热塑性聚氨酯（TPU）中，加入15%的PhosPTPU15， LOI由19%提高到27.8%。利用SEM-EDX对共混物及其形貌进行了表征，结果表明，加入磷酸铁pu15后，共混物形貌致密，支持共混物的凝聚相机制。

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Effect of pentaerythritol derived phosphorous based bicyclic polymer on the flammability

1-oxyphospha-4-hydroxymethyl-2,6,7-trioxabicyclo [2.2.2] octane (PEPA) was synthesized successfully in producing a PEPA-based monomer having an acrylate group and its polymers. Nuclear magnetic resonance (NMR), ¹H, and ³¹P spectra were used to establish their structural integrity. Thermogravimetric analysis (TGA), the limited oxygen index (LOI), and the UL-94 test were used to examine the thermal characteristics and flame retardant behavior of the systems with 15 wt% of flame retardants (PhosPTPU₁₅, Phosphorous functionalized polymer thermoplastic polyurethane). Thermoplastic polyurethane (TPU), the results reveal that LOI increases from 19% to 27.8% with the incorporation of 15 wt% PhosPTPU₁₅. SEM-EDX was used to evaluate the morphology of the TPU and its blend, which exhibits that with the incorporation of PhosPTPU₁₅ the blend showed compact morphology and supported the condensed phase mechanism of the blends.

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来源期刊

International Journal of Polymer Analysis and Characterization 化学-高分子科学

CiteScore

3.50

自引率

5.30%

发文量

审稿时长

1.6 months

期刊介绍： The scope of the journal is to publish original contributions and reviews on studies, methodologies, instrumentation, and applications involving the analysis and characterization of polymers and polymeric-based materials, including synthetic polymers, blends, composites, fibers, coatings, supramolecular structures, polysaccharides, and biopolymers. The Journal will accept papers and review articles on the following topics and research areas involving fundamental and applied studies of polymer analysis and characterization: Characterization and analysis of new and existing polymers and polymeric-based materials. Design and evaluation of analytical instrumentation and physical testing equipment. Determination of molecular weight, size, conformation, branching, cross-linking, chemical structure, and sequence distribution. Using separation, spectroscopic, and scattering techniques. Surface characterization of polymeric materials. Measurement of solution and bulk properties and behavior of polymers. Studies involving structure-property-processing relationships, and polymer aging. Analysis of oligomeric materials. Analysis of polymer additives and decomposition products.