含P膨胀阻燃EA透明涂层的制备及性能研究  

Preparation and Properties of Transparent Intumescent Flame-Retardant EA Coating Containing Phosphorus

作　　者：李保君 杨磊 张顺 Li Baojun;Yang Lei;Zhang Shun(Skshu(Shanghai)New Materials Research Co.,Ltd.,Shanghai 201100,China;Fujian Key Laboratory of Architectural Coating,Skshu Paint Co.,Ltd.,Putian Fujian 351100,China;Fujian Provincial Key Laboratory of Ecology-Toxicological Effects and Control for Emerging Contaminants/Key Laboratory of Ecological Environment and Information Atlas of Fujian Provincial University/College of Environmental and Biological Engineering,Putian University,Putian Fujian 351100,China)

机构地区：[1]三棵树(上海)新材料研究有限公司,上海201100 [2]福建省建筑涂料企业重点实验室,三棵树涂料股份有限公司,福建莆田351100 [3]福建省新型污染物生态毒理效应与控制重点实验室/生态环境及其信息图谱福建省高等学校重点实验室/莆田学院环境与生物工程学院,福建莆田351100

出　　处：《上海涂料》2024年第6期1-8,共8页Shanghai Coatings

基　　金：福建省技术创新重点攻关及产业化项目(2024G014);福建省自然科学基金(2022J011160);福建省科学技术协会福建省科技经济融合服务平台(FJKX-2024XRH08);莆田市科技计划项目(2023GJGZ001);福建省教育厅本科高校教育教学研究项目(FBJY20230211);大学生创新创业训练计划项目(202411498004);莆田学院研究生科研创新项目(yjs2024031)。

摘　　要：为了提高环氧丙烯酸酯(EA)透明涂层的阻燃性能,拓宽其应用范围,以POCl3和羟乙基丙烯酸酯等为原料制备了含磷(P)阻燃活性单体——3(2-羟乙基丙烯酸酯)磷酸酯(TAEP),将其与EA、丙烯酰胺(AM)等复配,通过紫外光(UV)固化法制备了含P膨胀阻燃EA透明涂层。对该涂层的固化动力学、光学性能、物理力学、热稳定性及阻燃性能进行了表征,并考察了阻燃剂添加量对涂层性能的影响。结果表明:涂层中双键转化率随固化时间的增加而增加。当固化时间为24 s时,双键转化率最高可达85.1%。当TAEP和AM的加入量分别为30%和20%时,涂层极限氧指数LOI最高可达43%,垂直燃烧级别为V-0级,800℃时最终残炭率为36.98%,热释放速率峰值最低(217 kW/m2)。所制备的涂层热稳定性和阻燃性能优良,具有广阔的应用前景。In order to improve the flame-retardant property of transparent acrylate coating and expand its applied scope,3(2-hydroxyethylacrylate)phosphate(TAEP)was prepared based on POCl3 and hydroxyethylacrylate as raw materials,and after mixing TAEP into EA and AM,the transparent intumescent flame-retardant EA coating containing phosphorus was prepared by ultraviolet(UV)light curing method.And curing dynamics,optical property,physical mechanics,thermal stability and flame-retardant performance of the coating were characterized.Meanwhile,the influence of additive amount of the flame-retardant monomer on coating performance was also investigated.The results showed that double bond conversion rate of UV curable coating increased with the increase of curing time.When the curing time was 24 s,the max double bond conversion rate could reach 85.1%.When the mass content of TAEP and AM was respectively 30%and 20%,the highest LOI of EA coating could reach 43%,the vertical burning level was V-0,the final carbon residue rate was 36.98%at 800℃,HRR peak was 217 kW/m2.The prepared coating has excellent thermal stability and flame-retardant performance.It has broad application prospect.

关 键 词：透明 EA涂层 膨胀 阻燃性能 热降解 UV固化 

分 类 号：TQ637.6[化学工程—精细化工]