Synthesis and performance analysis of tannic acid and polyphenylene methylene containing acrylic resin for protective coatings

IF 3.4 4区材料科学 Q2 CHEMISTRY, APPLIED

Journal of Coatings Technology and Research Pub Date : 2026-02-13 DOI:10.1007/s11998-025-01176-7

Tirthankar Jana, Tapan Kumar Dhar

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Abstract

A tannic acid-polyphenylene methylene modified acrylic resin was synthesized by solution polymerization technique. The synthesis route involved reaction of tannic acid with suitable acrylic monomers to form tannic acid modified acrylic resin followed by in situ polymerization of this modified acrylic with benzyl chloride in presence of catalyst. The formation of such modified acrylic structure was confirmed by FTIR and ¹H NMR spectroscopic analysis. The novelty of this work is in the synthetic approach to incorporate tannic acid and polyphenylene methylene in acrylic resin matrix to utilize the properties of phenolic hydroxyl and π orbital system of polyphenylene methylene moiety to improve mechanical and anticorrosive properties of coating film. Polyurethane coating based on this modified acrylic resin was evaluated. It was found that the coating with 2 wt% tannic acid containing resin exhibited excellent mechanical properties like flexibility, adhesion, hardness, impact resistance along with anticorrosive performance. Such coating has potential for usage as in high-performance protective coating.

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防护涂料用单宁酸和聚苯亚甲基丙烯酸树脂的合成及性能分析

采用溶液聚合技术合成了单宁酸-聚苯亚甲基改性丙烯酸树脂。合成路线是由单宁酸与合适的丙烯酸单体反应生成单宁酸改性丙烯酸树脂，然后在催化剂的作用下与氯化苄原位聚合。通过FTIR和1H NMR分析证实了改性丙烯酸结构的形成。本研究的新颖之处在于在丙烯酸树脂基体中加入单宁酸和聚苯亚甲基的合成方法，利用聚苯亚甲基部分的酚羟基和π轨道系统的特性，提高涂膜的机械性能和防腐性能。对该改性丙烯酸树脂的聚氨酯涂料进行了评价。结果表明，含单宁酸树脂的涂层具有良好的柔韧性、附着力、硬度、抗冲击性能和防腐性能。该涂层具有应用于高性能防护涂层的潜力。

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来源期刊

Journal of Coatings Technology and Research 工程技术-材料科学：膜

CiteScore

4.30

自引率

8.70%

发文量

130

审稿时长

2.5 months

期刊介绍： Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.