织物增深用NMA改性丙烯酸酯微乳液的合成与表征.pdf

织物增深用NMA改性丙烯酸酯微乳液的合成与表征 印 染（2023No.5） 织物增深用NMA改性丙烯酸酯微乳液的合成与表征 刘小培，李中贤，宋 跃，靳瑞文，董学亮，王俊伟 (河南省科学院高新技术研究中心，河南省精细化工重点实验室，河南郑州450002) 摘 要：以甲基丙烯酸甲酯（MMA）、甲基丙烯酸异丁酯（IBMA）为聚合反应单体，甲基丙烯酸烯丙酯（AMA）为交联单 体，N-羟甲基丙烯酰胺（NMA）为功能单体，通过半连续种子乳液聚合工艺制备了NMA改性丙烯酸酯乳液。考察了聚 合温度、乳化剂种类及用量、NMA用量对乳液稳定性和粒子大小的影响。结果表明，当反应温度为80 ℃，非离子 Tween-40/阳离子CTAC复配为乳化剂，质量分数（相对于单体质量）为4.5%，NMA质量分数（相对于单体质量）为5% 时，制备的乳液呈带蓝光半透明清亮状，平均粒径69nm，可稳定贮存6个月。该乳液可用于黑色及宝蓝色织物的增 深后整理。 关键词：增深剂；丙烯酸酯微乳液；N-羟甲基丙烯酰胺；改性 中图分类号：TS195.2 文献标志码：A 文章编号：1000-4017（2023）05-0005-05 SynthesisandcharacterizationofN-methylolacrylamidemodifiedacrylates emulsionsforfabricdeepening LIUXiaopei,LIZhongxian,SONGYue,JINRuiwen,DONGXueliang,WANGJunwei (High＆NewTechnologyResearchCenterof HenanAcademyof Sciences,HenanKeyLaboratoryof FineChemicals,Zhengzhou450002,China) Abstract:N-methylolacrylamidemodifiedacrylatesemulsionsarepreparedwithmethylmethacrylate,isobutyl methacrylateasreactivemonomers,allymethacrylateascrosslinkingmonomerandNMAasfunctionalmono⁃ merbysemi-continuousseedemulsionpolymerization.Theeffectsofpolymerizationtemperature,emulsifier types,emulsifiercontent,NMAcontentonstabilityandparticlesizeofemulsionarestudied.Theresultsshow thatwhenthepolymerizationtemperatureis 80℃,theemulsifieristhemixtureofnonionicsurfactantTween- 40 andcationicsurfactantcetyltrimethylammoniumchloride (CTAC),theamountofemulsifieris 4.5%,the amountofNMAis5%,atranslucentclearemulsionispreparedwithbluelight,themeanparticlesizeof 69 nm andthestoragestabilityfor 6 months.Theemulsioncanbeusedasadeepeningagentforfabricsinblackand royalblue. Keywords:deepeningagent;acrylatemicroemulsion;N-methylolacrylamide;modification 聚丙烯酸酯类乳液的力学性能和连续成