Traditional pressure-sensitive adhesive (PSA) materials are prone to failure under oily and high-temperature environments. Herein, a new series of acrylate copolymers, poly(methoxyethyl acrylate - butyl acrylate - ethyl acrylate - acrylic acid - (N-methoxy acrylamide)), were developed as single-component acrylic PSAs. The oil-resistance and heat-resistance of acrylic PSAs were improved remarkably through three strategies: 1) using the polar monomer, methoxyethyl acrylate (MOEA), to replace the commonly used monomer of 2-ethylhexyl acrylate (EHA), as the dominant ingredient in PSA to increase oil-resistance, 2) innovatively introducing N-methoxy acrylamide (NMOAM) as a new internal crosslinking monomer, thereby maintaining the stability of the PSA system at ambient conditions, while crosslinking with acrylic acid (AA) at high temperature curing conditions to obtain a single-component PSA, 3) owing to the synergistic effects of polarity and crosslinking which occurred during curing process, the oil-resistance and heat-resistance of PSAs enhanced greatly. The molecular weight of the acrylate copolymers and viscosity of the copolymer solutions were regulated by using xylene as a co-solvent to balance the adhesive properties of the acrylic PSAs. Effects of MOEA and NMOAM concentration on adhesive properties were investigated in detail. Results showed that the maximum tack of 12 ^#, shear strength of >168 h, and 180° peel resistance of 23.47 ± 0.07 N/24 mm could be obtained when 60 wt% of MOEA and 3 wt% of NMOAM were used for the PSA preparation. The obtained PSA tapes were able to maintain excellent adhesive properties even in harsh environments, such as high temperature and oily environment. This work demonstrates that how the comprehensive properties of acrylic PSAs can be improved thereby facilitating their application in the automobile industry, including bundling wire harnesses in car engine rooms or mounting attached parts to tanks.

传统的压敏胶（PSA）材料在油性和高温环境下容易失效。在此，开发了一系列新的丙烯酸酯共聚物，聚（丙烯酸甲氧基乙酯 - 丙烯酸丁酯 - 丙烯酸乙酯 - 丙烯酸 - （N-甲氧基丙烯酰胺））作为单组分丙烯酸 PSA。通过以下三种策略显着提高丙烯酸压敏胶的耐油性和耐热性：1）使用极性单体丙烯酸甲氧基乙酯（MOEA）代替常用的单体丙烯酸2-乙基己酯（EHA）作为主要成分在 PSA 中提高耐油性，2) 创新性地引入 N-甲氧基丙烯酰胺 (NMOAM) 作为新的内部交联单体，从而保持 PSA 体系在环境条件下的稳定性，在高温固化条件下与丙烯酸（AA）交联得到单组分PSA，3）由于固化过程中发生的极性和交联的协同作用，PSA的耐油性和耐热性大大提高. 通过使用二甲苯作为共溶剂来调节丙烯酸酯共聚物的分子量和共聚物溶液的粘度，以平衡丙烯酸 PSA 的粘合性能。详细研究了 MOEA 和 NMOAM 浓度对粘合性能的影响。结果表明，最大粘性为 12 通过使用二甲苯作为共溶剂来调节丙烯酸酯共聚物的分子量和共聚物溶液的粘度，以平衡丙烯酸 PSA 的粘合性能。详细研究了 MOEA 和 NMOAM 浓度对粘合性能的影响。结果表明，最大粘性为 12 通过使用二甲苯作为共溶剂来调节丙烯酸酯共聚物的分子量和共聚物溶液的粘度，以平衡丙烯酸 PSA 的粘合性能。详细研究了 MOEA 和 NMOAM 浓度对粘合性能的影响。结果表明，最大粘性为 12^#，当 60 wt% 的 MOEA 和 3 wt% 的 NMOAM 用于 PSA 制备时，可以获得 > 168 h 的剪切强度和 23.47 ± 0.07 N/24 mm 的 180° 剥离阻力。所得PSA胶带即使在高温和油性环境等恶劣环境下也能保持优异的粘合性能。这项工作表明如何提高丙烯酸 PSA 的综合性能，从而促进其在汽车行业的应用，包括在汽车发动机室中捆绑线束或将附件安装到油箱上。