Novel high performance poly(sulfone-ether-amide-imide)s

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

International Journal of Polymer Analysis and Characterization Pub Date : 2022-04-19 DOI:10.1080/1023666X.2022.2062155

Sajjad Nazemzadeh, S. Mehdipour‐Ataei

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引用次数: 0

Abstract

Abstract A novel sulfone ether amide diamine was prepared through a two-step synthetic route. At first, 3,3′-((sulfonyl bis(1,4-phenylene))bis(oxy))dianiline was prepared from nucleophilic aromatic substitution reaction of 3-aminophenol with 4,4′-dichlorodiphenyl sulfone in the presence of K2CO3. In the second step, the reaction of this compound with isophthaloyl chloride resulted in the preparation of a unique aromatic diamine containing amide, ether, and sulfone groups. Then three different kinds of poly(sulfone-ether-amide-imide)s were prepared via polycondensation reaction of the synthesized diamine with different dianhydrides including pyromellitic dianhydride, benzophenonetetracarboxylic dianhydride, and hexafluoroisopropylidene diphthalic anhydride. The structures of synthesized precursors, monomer, and prepared polymers were characterized using elemental analysis, 1H-NMR and FT-IR spectroscopy methods. Inherent viscosity, molecular weight, thermal behavior and stability, flame retardancy, and solubility of polymers were studied. As the polymers showed high thermal stability and also improved solubility, they can be used as heat and fire resistant materials.

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新型高性能聚砜醚酰胺亚胺

摘要采用两步法合成了一种新型砜醚酰胺二胺。首先，在K2CO3存在下，3 -氨基苯酚与4,4 ' -二氯二苯砜发生亲核芳香取代反应，制备了3,3 ' -((磺酰基双(1,4-苯基))双(氧基))二苯胺。在第二步中，该化合物与异酞酰氯反应生成独特的芳香二胺，其中包含酰胺、醚和砜基团。然后将合成的二胺与邻苯二甲酸二酐、二苯二甲酸二酐、六氟异丙基二苯二酐缩聚反应，制得三种不同的聚砜醚酰胺亚胺。采用元素分析、1H-NMR和FT-IR等方法对合成的前驱体、单体和聚合物的结构进行了表征。研究了聚合物的固有粘度、分子量、热性能和稳定性、阻燃性和溶解度。由于该聚合物具有较高的热稳定性和较好的溶解度，因此可以用作耐热和耐火材料。

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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.