基于氢键作用的自修复聚丙烯酸酯乳液的合成及性能

doi:10.19677/j.issn.1004-7964.2022.03.011

皮革科学与工程 ›› 2022, Vol. 32 ›› Issue (3): 59-64.doi: 10.19677/j.issn.1004-7964.2022.03.011

基于氢键作用的自修复聚丙烯酸酯乳液的合成及性能

陆曼玲^1,2, 李阳^1,2, 麻寿江^1,2, 闫新秀^1,2, 刘军^1,2, 丁克毅^1,2, 陈华林^1,2,*

1.青藏高原污染控制化学与环境功能材料国家民委重点实验室,西南民族大学化学与环境学院,四川成都 610041;
2.化学基础国家民委重点实验室,西南民族大学化学与环境学院,四川成都 610041

收稿日期:2021-07-22 出版日期:2022-06-28 上线日期:2022-05-16
通讯作者: ^*陈华林（1972-）,男,研究员,aofly@163.com,主要从事皮革化工材料及功能高分子材料研究。
作者简介:陆曼玲（1996-）,女,在读硕士研究生,主要研究方向为功能高分子材料,皮革化工材料,电话13438390510,E-mail:1134818545@qq.com。
基金资助:
国家自然科学基金资助（21776231）; 西南民族大学2021年中央高校基本科研业务费专项资金项目资助（校2021117）

Synthesis and Property of Self-healing Polyacrylate Emulsions based on Hydrogen Bonding

LU Manling^1,2, LI Yang^1,2, MA Shoujiang^1,2, YAN Xinxiu^1,2, LIU Jun^1,2, DING Keyi^1,2, CHEN Hualin^1,2,*

1. Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, China;
2. Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, China

Received:2021-07-22 Published:2022-06-28 Online:2022-05-16

摘要/Abstract

摘要： 3-甲基丙烯酰胺基多巴胺（DMA）上的邻苯二酚基团可形成具有可逆作用的氢键,该氢键可实现材料的自修复目标。通过乳液聚合合成了一系列含多巴胺的聚丙烯酸酯乳液,研究发现加入DMA时薄膜具有自修复能力,DMA加入量不同时其修复效果也不同。拉伸试验表明,DMA含量为0.60%时,聚合物断裂伸长率的修复率最高,可达113%;DMA含量为2.42%时,聚合物拉伸强度修复率最好,可达229.19%。但是,光学显微镜和扫描电子显微镜观察表明,DMA含量为0.60%的聚合物薄膜修复后完整性最好。因此,综合以上指标认为当DMA含量为0.60%的含多巴胺聚丙烯酸酯乳液具有应用于皮革自修复涂层的潜力。

关键词: 自修复聚合物, 氢键, 多巴胺, 涂层, 皮革

Abstract: The catechol groups on 3-methacrylamido dopamine (DMA) were observed to form reversible hydrogen bonds, and the target of self-healing for the material can be achieved through these hydrogen bonds. In the present study, a series of dopamine-containing polyacrylate emulsions were synthesized by the emulsion polymerization. It was found that the resulting film exhibited the self-healing ability when DMA was added, and the healing efficiency varied with the amount of DMA. The tensile test showed that 113% of elongation at break could be recovered when 0.60% of DMA was added, achieving the best repair efficiency. When 2.42% of DMA was added, the obtained film exhibited the best recovery ratio of tensile strength (up to 229.19%). However, when 0.60% of DMA was added, it was found that the polymer film could have best integrity upon repairment with the aid of optical microscopy and scanning electron microscope. In conclusion, the synthesized dopamine-containing polyacrylate emulsion has the potential to be applied to construct the self-healing coating of leather when 0.60% of DMA is added.

Key words: self-healing polymer, hydrogen bonding, dopamine, coatings, leather

中图分类号:

TS529.5

陆曼玲, 李阳, 麻寿江, 闫新秀, 刘军, 丁克毅, 陈华林. 基于氢键作用的自修复聚丙烯酸酯乳液的合成及性能[J]. 皮革科学与工程, 2022, 32(3): 59-64.

LU Manling, LI Yang, MA Shoujiang, YAN Xinxiu, LIU Jun, DING Keyi, CHEN Hualin. Synthesis and Property of Self-healing Polyacrylate Emulsions based on Hydrogen Bonding[J]. Leather Science and Engineering, 2022, 32(3): 59-64.

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基于氢键作用的自修复聚丙烯酸酯乳液的合成及性能

Synthesis and Property of Self-healing Polyacrylate Emulsions based on Hydrogen Bonding

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