摘要： 【目的】为减少聚丙烯酸酯水分散体在生产过程中对石油基化学品的依赖，开发一种低碳环保的丙烯酸酯制备路线。【方法】以香兰素丙烯酸酯（VA）和四氢香叶醇丙烯酸酯（ THGA）替代传统的石油基化合物，制备了不同的生物基丙烯酸酯水分散体及涂料，研究了生物基单体对产物性能的影响，并逐步提升了产物的可再生碳含量。【结果】当 VA质量分数为 25%时制得的生物基丙烯酸酯水分散体（ PMAIV）以及当 VA和 THGA的质量分数分别为 25%和 30%时制得的生物基丙烯酸酯水分散体（ PMAIVT）均具备良好的贮存稳定性，粒径分布均匀，由其制备的涂膜热稳定性高，可再生碳含量分别为 24. 99%和 51. 24%。【结论】制备的 2种生物基丙烯酸水分散体均具有良好的贮存稳定性和机械稳定性，所得涂膜物理、力学性能良好，光泽高，为低碳环保水性丙烯酸酯涂料的开发提供了新的路线。

关键词: 生物基原料, 丙烯酸酯水分散体, 双组分聚氨酯涂料, 绿色低碳

Abstract: ［Objective］To solve the high reliance of polyacrylate water dispersion on petroleum-based chemicals in the production process，a low-carbon and environmentally friendly preparation route for acrylate was developed.［Methods］ In this study， vanillin acrylate（VA） and tetrahydrogeraniol acrylate（THGA）were used to replace traditional petroleum-based compounds toprepare different bio-based acrylate water dispersions and coatings. The influence of bio-based monomers on the performance of the products was investigated，and the renewable carbon content of the products was gradually increased.［Results］ The bio-based acrylic water dispersion（PMAIV） prepared with 25%VA and the dispersion（PMAIVT） prepared from 25%VA and 30%THGA allindicated good storage stability. The particle size distribution was uniform，and the prepared paint film indicated high thermal stability. The renewable carbon contents were 24. 99% and 51. 24%， respectively.［Conclusion］The two types of bio-based acrylic water dispersions obtained indicatedgood storage stability and mechanical stability. The resulting paint films showed good physical andmechanical properties and high gloss，providing a new route for the development of low-carbon andenvironmentally friendly waterborne acrylic coatings.

Key words: bio-based raw materials, acrylate water dispersion, two-component polyurethane

中图分类号: 

• TQ630. 4