Preparation and Application of High Tear-resistant Polyacrylate Latex Pressure-sensitive Adhesives for Protective Films

JIANG Chun-yuan; ZHANG Xin-rui; TIAN Jin-sheng; MA Zhi-zhong; WANG Yu-dong; LI Yin-wen

doi:10.14028/j.cnki.1003-3726.2025.24.290

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Preparation and Application of High Tear-resistant Polyacrylate Latex Pressure-sensitive Adhesives for Protective Films

更新时间：2025-02-27

- Preparation and Application of High Tear-resistant Polyacrylate Latex Pressure-sensitive Adhesives for Protective Films
- Polymer Bulletin Vol. 38, Issue 3, Pages: 487-495(2025)
- 作者机构：
  
  1.临沂大学化学化工学院，临沂 276000
  2.临沂大学材料科学与工程学院，临沂 276000
  3.山东佳润新材料有限公司，临沂 276000
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.24.290
  CLC：
- Received：29 September 2024，
  
  Accepted：2024-12-13，
  
  Published Online：08 February 2025，
  
  Published：20 March 2025
- 稿件说明：
移动端阅览
蒋春源, 张欣蕊, 田锦盛, 马志忠, 王玉栋, 李因文. 保护膜用高抗撕裂聚丙烯酸酯乳液压敏胶的制备与应用研究. 高分子通报, 2025, 38(3), 487–495.

Jiang, C. Y.; Zhang, X. R.; Tian, J. S.; Ma, Z. Z.; Wang, Y. D.; Li, Y. W. Preparation and application of high tear-resistant polyacrylate latex pressure-sensitive adhesives for protective films. Polym. Bull. (in Chinese), 2025, 38(3), 487–495.
蒋春源, 张欣蕊, 田锦盛, 马志忠, 王玉栋, 李因文. 保护膜用高抗撕裂聚丙烯酸酯乳液压敏胶的制备与应用研究. 高分子通报, 2025, 38(3), 487–495. DOI： 10.14028/j.cnki.1003-3726.2025.24.290.

Jiang, C. Y.; Zhang, X. R.; Tian, J. S.; Ma, Z. Z.; Wang, Y. D.; Li, Y. W. Preparation and application of high tear-resistant polyacrylate latex pressure-sensitive adhesives for protective films. Polym. Bull. (in Chinese), 2025, 38(3), 487–495. DOI： 10.14028/j.cnki.1003-3726.2025.24.290.

摘要

以丙烯酸(AA)、甲基丙烯酸甲酯(MMA)、丙烯酸丁酯(BA)、丙烯酸羟乙酯(HEA)和甲基丙烯酸缩水甘油酯(GMA)为共聚单体通过乳液聚合制备了聚丙烯酸酯乳液压敏胶(PSAs)，再利用PSAs结构中的功能环氧基团与多巴胺(DOPA)发生接枝反应获得保护膜用高抗撕裂聚丙烯酸酯乳液压敏胶(HPSAs)。考察了功能单体(GMA和DOPA)用量对HPSAs稳定性、粒径与分布、黏结及耐水等性能的影响。结果表明，当GMA和DOPA用量分别为基础单体总质量的3.0%和0.4%时，HPSAs乳液稳定性佳，平均粒径为185.4 nm、粒径分布(PDI)为0.12，压敏胶初粘力(12号球)、持粘力(

72 h)和 180°剥离强度(13.1 N)达到最佳。与传统PSAs相比，GMA功能交联单体的引入提高了HPSAs体系的交联密度和内聚力，同时引入黏结能力更优的功能DOPA组分提高了体系的初粘力和持粘力，正是由于GMA和DOPA的协同引入有效实现了HPSAs体系粘接力和内聚力有效统一，进而使HPSA

表现出优异的黏结性能；当进一步用于低表面能聚乙烯塑料薄膜复合胶时，HPSA

复合效果优异，因而应用前景广阔。

Abstract

Polyacrylate latex pressure-sensitive adhesives (PSAs) were prepared by using acrylic acid (AA)

methyl methacrylate (MMA)

butyl acrylate (BA)

hydroxyethyl acrylate (HEA) and glycidyl methacrylate (GMA) as comonomers

and then highly tear-resistant polyacrylate latex pressure-sensitive adhesives (HPSAs) were further obtained by grafting dopamine (DOPA) with epoxy groups of PSAs. The effects of functional DOPA monomer dosage on the stability

viscosity

particle size and distrib

ution

adhesion

and water resistance of HPSAs were investigated. It was the introduction of GMA and DOPA that effectively realized the unity of the adhesive force and cohesive force of HPSAs; when the amounts of GMA and DOPA were 3.0% and 0.4%

HPSA

exhibited good stability

average particle size (185.4 nm) and distribution (PDI

0.12)

and best adhesive properties with initial adhesion (No. 12 ball)

holding adhesion (

72 h)

and 180° peeling strength (13.1 N). HPSAs are used as composite adhesives for composited polyethylene-based plastic protective films with low surface energy. The results showed that HPSA

had an excellent composite effect and exhibited high tear resistance

and thus

might have broad application prospects.

关键词

Keywords

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