一种新型三元共聚物的合成、分子相互作用和抗氧化性能：在玻璃上形成环氧基三元共聚物复合材料

IF 1.6 4区工程技术 Q4 POLYMER SCIENCE

International Journal of Polymer Analysis and Characterization Pub Date : 2025-10-03 DOI:10.1080/1023666X.2025.2506738

Muskanbanu Mahebubkhan Baloch , Pravin Narayan Bhalerao , Yogesh T Naliapara , Sumit Kumar Jaiswal , Saad Alkahtani , Sauravendra Kumar Singh , Viral Solanki

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引用次数: 0

摘要

以香草烯丙酮/4-羟基苯基甲基酮、甲醛和氯苯乙酮为原料，合成了一种新的酸催化氯苯乙酮基三元共聚物。利用FTIR和1H NMR对三元共聚物进行了表征。用DSC和TGA测定新型三元共聚物的热稳定性/行为。在DMSO中成功地研究了超声性能，包括超声速度、密度、绝热压缩率、比声阻抗、粘度、分子间自由长度和弛豫时间。聚合物的平均分子量已被报道。据报道，苯乙酮基三元共聚物对DPPH（2,2-二苯基-1-吡啶酰肼）具有抗氧化性能，IC50值为1.66 mg/mL。合成的三元共聚物以50%的质量比作为环氧固化剂，与双酚a二缩水甘油酯（DGEBA）树脂在453.15 K下一起使用。采用热重分析研究了环氧树脂-聚合物复合材料的热稳定性。用强酸（浓HCl）、饱和NaOH和NaCl溶液评价复合材料的化学稳定性。用SEM分析了环氧复合材料的表面形貌。

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Synthesis, molecular interactions, and antioxidant properties of a new terpolymer: formation of epoxy-based terpolymer composite on glass

A new chloroacetophenone-based acid-catalyzed terpolymer has been synthesized from vanillylidenacetone/4-hydroxystyryl methyl ketone, formaldehyde, and chloroacetophenone. Characterization of the terpolymer was done by using FTIR and ¹H NMR data. Thermal stability/behavior of new terpolymers determined by DSC and TGA. Ultrasonic properties, including ultrasonic velocity, density, adiabatic compressibility, specific acoustic impedance, viscosity, intermolecular free length, and relaxation time, were studied successfully in DMSO. The average molecular weight of the polymer has been reported. The antioxidant property of acetophenone-based terpolymer is reportedly against DPPH (2,2-diphenyl-1-picrylhydrazyl), with a 1.66 mg/mL IC₅₀ value. The synthesized terpolymer was used as an epoxy curing agent in a 50% weight ratio, along with DGEBA (diglycidyl ether of bisphenol A) resin at 453.15 K. The thermal stability of the epoxy-polymer composite was investigated using a TGA analysis. Chemical stability of the composite was estimated using strong acid (concentrated HCl), saturated NaOH, and NaCl solution. Surface morphology of the epoxy composite was examined using SEM analysis.

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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.