Preparation and Performance of Acrylate Adhesives

ZHENG Tao; ZHONG Tianrui; ZHENG Yu; LIU Weiping; YUAN Teng

doi:10.19554/j.cnki.1001-3563.2026.05.003

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (5) : 20-26. DOI: 10.19554/j.cnki.1001-3563.2026.05.003

Advanced Materials

Preparation and Performance of Acrylate Adhesives

ZHENG Tao^1a,b, ZHONG Tianrui^1a,b, ZHENG Yu^1c, LIU Weiping², YUAN Teng^1a,b,*

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Abstract

The work aims to study the effects of adjusting monomer formulation ratios on key properties such as thermal stability and viscosity of acrylate adhesives, providing a theoretical basis for the preparation of high-performance products. Acrylate adhesives were synthesized with 2-ethylhexyl acrylate (2-EHA), acrylic acid (AA), hydroxyethyl methacrylate (HEMA), acrylamide (AM), and methyl methacrylate (MMA) as raw materials and azobisisobutyronitrile (AIBN) as the initiator, and UV lamps were used to cure the films. Pale yellow transparent adhesives were successfully prepared, with a solid content stabilizing around 70%. Infrared spectroscopy analysis indicated successful polymerization, and the relationship between temperature and polymers Mn and Mw was studied, with the PDI calculated to demonstrate the structural stability of the polymer. Increasing the amount of HEMA was found to improve polymer thermal stability and viscosity. Mechanical performance tests of PSA showed that when HEMA was at 10 wt%, the mechanical properties were relatively good. However, when HEMA reached 15 wt%, the polymer viscosity became too high, leading to poor flowability, so controlling HEMA at 10 wt% was optimal. The study results indicate that targeted formulation design effectively optimizes the core physicochemical properties of the adhesive. The improvement in thermal stability broadens its potential application temperature range, while viscosity optimization directly enhances construction process adaptability. This research provides clear data support and formulation guidance for developing high-performance, high-solid-content acrylate adhesives suitable for high-temperature and other harsh conditions.

Key words

isooctyl acrylate / adhesive / hydroxyethyl methacrylate

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ZHENG Tao, ZHONG Tianrui, ZHENG Yu, LIU Weiping, YUAN Teng. Preparation and Performance of Acrylate Adhesives[J]. Packaging Engineering. 2026, 47(5): 20-26 https://doi.org/10.19554/j.cnki.1001-3563.2026.05.003

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