基于有机硅改性单硬脂酸甘油酯基聚氨酯的自修复UV固化胶黏剂

朱增科; 汤晓曼; 黄绰林; 薛萌; 冯恩奇; 袁腾

doi:10.19554/j.cnki.1001-3563.2026.03.006

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (3) : 52-61. DOI: 10.19554/j.cnki.1001-3563.2026.03.006

先进材料

基于有机硅改性单硬脂酸甘油酯基聚氨酯的自修复UV固化胶黏剂

朱增科¹, 汤晓曼¹, 黄绰林¹, 薛萌², 冯恩奇¹, 袁腾^1,*

作者信息 +

Self-healing UV-cured Adhesives Derived from Organosilicon-modified Glycerin Monostearate-based Polyurethane

ZHU Zengke¹, TANG Xiaoman¹, HUANG Chuolin¹, XUE Meng², FENG Enqi¹, YUAN Teng^1,*

Author information +

文章历史 +

摘要

目的利用甲基丙烯酸3-（三乙氧基硅基）丙酯改性生物基聚氨酯制备胶黏剂,增强其热稳定性、耐溶剂性、剪切强度等性能。方法本研究以单硬脂酸甘油酯（GMS）多元醇和含动态亚胺键的二胺（T-NH）为原料成功制备生物基聚氨酯,添加不同含量的甲基丙烯酸3-（三乙氧基硅基）丙酯进行改性,对其进行热稳定性、耐溶剂性、自修复性能等测试,考察甲基丙烯酸3-（三乙氧基硅基）丙酯含量对其各项性能的影响。结果随着甲基丙烯酸3-（三乙氧基硅基）丙酯添加量的增加,胶黏剂的拉伸强度、热稳定性、耐溶剂性和剪切强度等性能不断增强,自愈合效果不断降低,添加量为20%时综合性能最好。结论采用有机硅改性GMS基聚氨酯制备的UV固化胶黏剂具有良好的自修复功能,胶黏剂的耐热性、耐溶剂性、拉伸强度等性能在改性后得到提升,其在环保包装、家具、建筑等领域有较大的应用潜力。

Abstract

The work aims to prepare adhesives by modifying bio-based polyurethane with 3-(triethoxysilyl)propyl methacrylate to enhance their thermal stability, solvent resistance, shear strength, and other properties. The bio-based polyurethane was successfully synthesized with glycerin monostearate (GMS) polyol and the diamine containing dynamic imine bonds (T-NH) as raw materials. The polyurethane was then modified by incorporating varying amounts of 3-(triethoxysilyl)propyl methacrylate. Tests were conducted to evaluate its thermal stability, solvent resistance, self-healing performance, and other properties and investigate the effect of 3-(triethoxysilyl)propyl methacrylate content on these characteristics. As the content of 3-(triethoxysilyl)propyl methacrylate increased, the mechanical properties, thermal stability, solvent resistance, and shear strength of the adhesive continuously improved, while the self-healing effect gradually decreased. The optimal overall performance was achieved with an addition of 20 wt%. The UV-cured adhesive prepared from silicone-modified GMS-based polyurethane exhibits excellent self-healing functionality. After modification, the heat resistance, solvent resistance, and tensile strength of the adhesive are enhanced. The adhesive demonstrates significant potential for applications in fields such as eco-friendly packaging, furniture, and construction.

导出引用

朱增科, 汤晓曼, 黄绰林, 薛萌, 冯恩奇, 袁腾. 基于有机硅改性单硬脂酸甘油酯基聚氨酯的自修复UV固化胶黏剂[J]. 包装工程. 2026, 47(3): 52-61 https://doi.org/10.19554/j.cnki.1001-3563.2026.03.006

ZHU Zengke, TANG Xiaoman, HUANG Chuolin, XUE Meng, FENG Enqi, YUAN Teng. Self-healing UV-cured Adhesives Derived from Organosilicon-modified Glycerin Monostearate-based Polyurethane[J]. Packaging Engineering. 2026, 47(3): 52-61 https://doi.org/10.19554/j.cnki.1001-3563.2026.03.006

中图分类号： TQ433

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