摘要： 为克服水性涂料在聚碳酸酯（ PC）塑料上综合性能不佳的问题，以甲基丙烯酸甲酯（MMA）、苯乙烯（ St）、丙烯酸丁酯（ BA）为主单体，衣康酸为功能单体，引入长链烷基单体甲基丙烯酸月桂酯（ LMA），以及乙酰乙酸基甲基丙烯酸乙酯（ AAEM）/聚醚胺交联体系，制备了一种自交联丙烯酸乳胶，研究了不同功能单体、衣康酸、 LMA和 AAEM/聚醚胺对乳胶及涂膜性能的影响。结果表明：衣康酸用量为 3. 0%（以单体总质量计，下同）、 LMA用量为 4. 5%、AAEM用量为 9. 0%、AAEM与聚醚胺物质的量比为 2∶1时，制备的单组分水性丙烯酸涂料在 PC塑料上具有优异的附着力、耐乙醇擦拭性和耐蒸煮性。
关键词:
塑料涂料,
丙烯酸乳胶,
耐蒸煮性,
耐乙醇擦拭性,
附着力
Abstract: In order to overcome the problem of poor performance of waterborne coatings on polycarbonate（PC）plastics. Methyl methacrylate（MMA），styrene（St）and butyl acrylate（BA） were used as the main monomer，itaconic acid as a functional monomer，the introduction of a long-chain alkyl monomer lauryl methacrylate（LMA） and acetoacetoxyethyl methacrylate（AAEM）/polyether amine were cross-linking system，which prepared a self-linked acrylic latex. The effects of functional monomers，itaconic acid，LMA and AAEM/polyether amine on theperformance of acrylic latex and coating film were discussed. The experimental results showed that whenthe itaconic acid was 3. 0% of the total monomers，LMA 4. 5%，AAEM 9. 0%，and AAEM/polyether amine molar ratio was 2∶1，the prepared single-group water-based acrylic coatings presented excellent adhesion，ethanol-resistant and cooking-resistant on the PC plastic.
Key words:
plastic coatings,
acrylic latex,
cooking-resistant,
ethanol-resistant,
adhesion
中图分类号:
贾斌, 曹劲松, 乔永洛, 等. 基于聚碳酸酯高耐性塑料涂料用丙烯酸乳胶的制备与研究[J]. 涂料工业, 2024, 54(5): 27-31.
JIA B, CAO J S, QIAO Y L, et al. The Preparation and Research of Acrylate Latex Based on Polycarbonate Highly Resistant Plastic Paint[J]. Paint & Coatings Industry, 2024, 54(5): 27-31.