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高性能水性丙烯酸基荧光胶粘剂:合成与应用

High-performance water-borne fluorescent acrylic-based adhesive: synthesis and application.

作者信息

Upadhyaya Samiran, Konwar Achyut, Chowdhury Devasish, Sarma Neelotpal Sen

机构信息

Advanced Materials Laboratory, Institute of Advanced Study in Science and Technology Paschim Boragaon Guwahati-35 Assam India

Materials Nanochemistry Laboratory, Institute of Advanced Study in Science and Technology Paschim Boragaon Guwahati-35 Assam India.

出版信息

RSC Adv. 2020 Jul 3;10(43):25408-25417. doi: 10.1039/d0ra03782f.

DOI:10.1039/d0ra03782f
PMID:35518622
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9055326/
Abstract

Water-borne adhesives have immense importance in cellulose-based materials, where their durability, handling, and strength remain to be a major concern. The present work demonstrates the development of three water-borne adhesives, namely, poly(1-vinyl-2-pyrrolidone-co-acrylic acid), poly(acrylonitrile-co-acrylic acid), and poly(1-vinyl-2-pyrrolidone-co-acrylonitrile-co-acrylic acid) applicable for cellulose-based materials. These acrylic-acid based adhesives were characterized by Fourier-transform infra-red spectroscopy, thermogravimetric analysis, X-ray diffraction, gel permeation chromatography, and universal testing machine. The synthesized polymer adhesives can be stored in the powder form for a longer period, thus utilizing less space. In order to use as adhesives, suitable formulations can be prepared in water. The adhesives show thermal stability up to 300 °C. Our studies show that poly(1-vinyl-2-pyrrolidone-co-acrylonitrile-co-acrylic acid) showed higher lap shear strength (ASTM D-906) than commercially available adhesives. In addition, these adhesives, being fluorescent in nature, can be detected under UV light and thus are applicable for the detection of fractured joints of any specimen. This property also helps in anti-counterfeiting applications, thus adding further to their utility.

摘要

水性粘合剂在纤维素基材料中具有极其重要的意义,其耐久性、操作性和强度仍是主要关注点。本研究展示了三种适用于纤维素基材料的水性粘合剂的开发,即聚(1-乙烯基-2-吡咯烷酮-共-丙烯酸)、聚(丙烯腈-共-丙烯酸)和聚(1-乙烯基-2-吡咯烷酮-共-丙烯腈-共-丙烯酸)。这些基于丙烯酸的粘合剂通过傅里叶变换红外光谱、热重分析、X射线衍射、凝胶渗透色谱和万能试验机进行了表征。合成的聚合物粘合剂可以以粉末形式储存较长时间,从而占用更少的空间。为了用作粘合剂,可以在水中制备合适的配方。这些粘合剂在高达300°C的温度下表现出热稳定性。我们的研究表明,聚(1-乙烯基-2-吡咯烷酮-共-丙烯腈-共-丙烯酸)的搭接剪切强度(ASTM D-906)高于市售粘合剂。此外,这些粘合剂本质上具有荧光性,可以在紫外光下检测到,因此适用于检测任何样品的断裂接头。这一特性也有助于防伪应用,从而进一步增加了它们的实用性。

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本文引用的文献

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