Due to the massive consumption of petroleum-derived resources, it is imperative to develop biomass adhesives to replace traditional petroleum-derived materials. The current work deals with the possibility to undergo crosslinking of epoxidized soybean oil (ESO) using hexanediamine (HDA) via one-pot method to produce a pressure-sensitive adhesive, poly(epoxidized soybean oil)-hexanediamine (PESH). The chain growth reaction between ESO and HAD involved the ester group in ESO be destroyed via aminolysis, as evidenced by Fourier Transform Infrared Spectroscopy (FTIR) and ¹H Nuclear Magnetic Resonance (¹H NMR). The bonding properties of PESH pressure-sensitive adhesive were studied by rolling ball method, shear strength and 180° peeling. The results revealed that the initial viscosity, adhesion persistence and peeling were significantly improved when the molar ratio of ESO to HDA was 1:3. At the same time, the PESH adhesive exhibited good bonding performance under water, especially with PVC substrates, in which the underwater bonding strength can reach 1043 KPa. In addition, PESH adhesive with high crosslinking degree presented excellent resistivity at high voltage. It can be implied that the addition of HDA can acquire the PSA antifungal action. All the results support that at a molar ratio of ESO to HDA of 1:3, it is easier to produce robust crosslinked network structure with overall upgraded properties. Conclusively, the developed PESH adhesive can provide a good application prospect in packaging and insulating fields.

由于石油衍生资源的大量消耗，开发生物质粘合剂以替代传统的石油衍生材料势在必行。目前的工作涉及通过一锅法使用己二胺 (HDA) 对环氧化大豆油 (ESO) 进行交联以生产压敏粘合剂聚（环氧化大豆油）-己二胺 (PESH) 的可能性。ESO 和 HAD 之间的链增长反应涉及 ESO 中的酯基团通过氨解被破坏，如傅里叶变换红外光谱 (FTIR) 和¹ H 核磁共振 ( ¹核磁共振）。通过滚球法、剪切强度和180°剥离等方法研究了PESH压敏胶的粘接性能。结果表明，当 ESO 与 HDA 的摩尔比为 1:3 时，初始粘度、粘附持久性和剥离性显着改善。同时，PESH 粘合剂在水下表现出良好的粘合性能，尤其是与PVC基材，水下粘接强度可达1043 KPa。此外，高交联度的PESH粘合剂在高压下表现出优异的电阻率。可以暗示添加HDA可以获得PSA抗真菌作用。所有结果都支持在 ESO 与 HDA 的摩尔比为 1:3 时，更容易产生具有整体升级性能的稳健交联网络结构。综上所述，所开发的PESH胶粘剂在包装和绝缘领域具有良好的应用前景。