Synthesis of dodecyl phenol-based reactive nonionic surfactants and evaluation of their properties in emulsion pressure-sensitive adhesives

IF 5.3 2区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Molecular Liquids Pub Date : 2025-04-16 DOI:10.1016/j.molliq.2025.127599

Tae Kyun Lim, Gaeun Hwang, Hanah Na, Yu Jin Jung

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Abstract

In this study, reactive nonionic surfactants were synthesized by reacting dodecylphenol ethoxylates (DPEs) with varying ethylene oxide chain lengths and vinyl acetic acid. These synthesized surfactants were employed in the production of pressure-sensitive adhesives (PSAs) via water-based emulsion polymerization, and their adhesive properties were evaluated to assess their potential as substitutes for traditional nonylphenol ethoxylate (NPE) surfactants, such as NPE-40, which is now classified as a regulated substance. The PSAs synthesized with the DPE-based reactive nonionic surfactants developed in this study exhibited superior adhesive properties compared to those prepared with the non-reactive surfactant NPE-40. Notably, the PSAs synthesized with DPE-10-based reactive nonionic surfactants demonstrated better or comparable peel strength and heat resistance than those prepared with NPE-40. Additionally, they performed comparably to, or even surpassed, the reactive alkyl ethoxylate surfactant ER-10, which consists only of alkyl chains and does not contain the aromatic functional group found in nonylphenol ethoxylate surfactants. Consequently, DPE-based reactive nonionic surfactants are identified as suitable alternatives to the usage-restricted NPE-40 surfactant and the reactive alkyl ethoxylate surfactant.

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十二烷基酚基反应性非离子表面活性剂的合成及其在乳液压敏胶中的性能评价

在本研究中，十二烷基酚聚氧乙烯酯（dpe）与不同环氧乙烷链长的乙烯基乙酸反应，合成了反应性非离子表面活性剂。这些合成的表面活性剂通过水基乳液聚合用于生产压敏胶（psa），并对其粘附性能进行了评估，以评估它们作为传统壬基酚聚氧乙酸酯（NPE）表面活性剂（如NPE-40）替代品的潜力，NPE-40现在被列为受管制物质。与非反应性表面活性剂NPE-40制备的聚合物相比，用dpe基反应性非离子表面活性剂合成的聚合物具有更好的粘附性能。值得注意的是，与NPE-40制备的活性非离子表面活性剂相比，dpe -10制备的psa具有更好或相当的剥离强度和耐热性。此外，它们的表现与反应性烷基乙氧基酸表面活性剂ER-10相当，甚至超过了ER-10，后者仅由烷基链组成，不含壬基酚乙氧基酸表面活性剂中的芳香官能团。因此，基于dpe的反应性非离子表面活性剂被认为是NPE-40表面活性剂和反应性烷基乙氧基酯表面活性剂的合适替代品。

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来源期刊

Journal of Molecular Liquids 化学-物理：原子、分子和化学物理

CiteScore

10.30

自引率

16.70%

发文量

2597

审稿时长

78 days

期刊介绍： The journal includes papers in the following areas: – Simple organic liquids and mixtures – Ionic liquids – Surfactant solutions (including micelles and vesicles) and liquid interfaces – Colloidal solutions and nanoparticles – Thermotropic and lyotropic liquid crystals – Ferrofluids – Water, aqueous solutions and other hydrogen-bonded liquids – Lubricants, polymer solutions and melts – Molten metals and salts – Phase transitions and critical phenomena in liquids and confined fluids – Self assembly in complex liquids.– Biomolecules in solution The emphasis is on the molecular (or microscopic) understanding of particular liquids or liquid systems, especially concerning structure, dynamics and intermolecular forces. The experimental techniques used may include: – Conventional spectroscopy (mid-IR and far-IR, Raman, NMR, etc.) – Non-linear optics and time resolved spectroscopy (psec, fsec, asec, ISRS, etc.) – Light scattering (Rayleigh, Brillouin, PCS, etc.) – Dielectric relaxation – X-ray and neutron scattering and diffraction. Experimental studies, computer simulations (MD or MC) and analytical theory will be considered for publication; papers just reporting experimental results that do not contribute to the understanding of the fundamentals of molecular and ionic liquids will not be accepted. Only papers of a non-routine nature and advancing the field will be considered for publication.