全丙烯酸水性压敏胶乳的相关配方及性能

IF 2.5 4区 化学 Q3 POLYMER SCIENCE
Julie Bratasanu, Victoria Aguilar, Leila Issoufou Alfari, Mathieu Leocmach, Benoit Mahler, Eric Drockenmuller, Elodie Bourgeat-Lami, Matteo Ciccotti, Costantino Creton, Damien Montarnal
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引用次数: 0

摘要

本工作研究了水性丙烯酸压敏胶(psa)的配方与胶粘剂性能之间的关系。采用微乳液聚合法制备了丙烯酸正丁酯基乳液库。这些聚丙烯酸酯组成的可控变化——如刚性共聚单体、潜在交联剂和链转移剂的包含——能够精确控制颗粒中的关键网络结构,从而导致铸造PSA薄膜中的一系列物理参数,如玻璃化转变温度、纠缠和交联密度。通过结合线性流变学、动态力学分析和拉伸测试等技术,仔细表征了所得网络的粘弹性和力学行为。然后,这些特性与粘合剂性能相关联,通过探针粘性和剪切保持时间测试来测量。这种全面的方法可以确定最佳配方平衡,从而提供最佳的粘合性能折衷,并将这些结果与大分子设计直接相关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Correlating Formulation and Performance in All-Acrylic Waterborne Pressure Sensitive Adhesive Latexes

This work investigates the correlation between the formulation of waterborne acrylic pressure-sensitive adhesives (PSAs) and their resulting adhesive performance. A library of n-butyl acrylate-based latexes is synthesized via miniemulsion polymerization. Controlled variations in the composition of these polyacrylates – such as the inclusion of rigid comonomers, latent crosslinkers and chain transfer agents – enabled precise control over key network structures in the particles leading then to a range of physical parameters in the cast PSA films such as the glass transition temperature, entanglement and crosslink density. The viscoelastic and mechanical behaviors of the resulting networks are carefully characterized using a combination of techniques, including linear rheology, dynamic mechanical analysis, and tensile testing. These properties are then correlated with adhesive performance, as measured by probe tack and shear holding time tests. This comprehensive approach allowed for the identification of the optimal formulation balance that delivers the best compromises of adhesive performance, directly correlating these outcomes with the macromolecular design.

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来源期刊
Macromolecular Chemistry and Physics
Macromolecular Chemistry and Physics 化学-高分子科学
CiteScore
4.30
自引率
4.00%
发文量
278
审稿时长
1.4 months
期刊介绍: Macromolecular Chemistry and Physics publishes in all areas of polymer science - from chemistry, physical chemistry, and physics of polymers to polymers in materials science. Beside an attractive mixture of high-quality Full Papers, Trends, and Highlights, the journal offers a unique article type dedicated to young scientists – Talent.
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