Surface Structure of Acrylate Polymer Adhesives

被引：0
|
作者：
Roy S. [1 ]
Freiberg S. [2 ]
Leblanc C. [2 ]
Hore D.K. [1 ]
机构：
[1] Department of Chemistry, University of Victoria, Victoria, V8W 3V6, BC
[2] Mapei Inc., 2900 Avenue Francis-Hughes, Laval, H7L 3J5, QC
来源：
Langmuir | 2017年 / 33卷 / 08期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Acrylate polymers - Hetero-spectral correlation - Hydrogen bonding interactions - Polybutyl acrylate - Pressure sensitive adhesives - Spectral response - Sum-frequency spectroscopies - Total internal reflections;
D O I：
10.1021/acs.langmuir.6b03875
中图分类号：
学科分类号：
摘要：
Total internal reflection infrared (IR) absorption and visible-IR sum-frequency spectroscopies were used to study the role of acrylic acid in the evolution of surface structure in a poly(butyl acrylate)-based pressure-sensitive adhesive during the drying process. By monitoring these spectral responses and calculating the heterospectral correlation coefficients, we established that acrylic acid alters the nature of the molecular interactions at the surface. In the absence of acrylic acid, butyl acrylate orientation is driven by the packing of the polymer as the water evaporates. When acrylic acid is present, a rapid ordering of the copolymer takes place as a result of favorable hydrogen-bonding interactions with the surface. © 2017 American Chemical Society.
引用
收藏
页码：1763 / 1768
页数：5
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