酮肼自交联聚丙烯酸酯核壳乳液的制备及性能
Journal of Southwest University of Science and Technology（2022）
西南科技大学
Abstract
以丙烯酸丁酯(BA)、甲基丙烯酸甲酯(MMA)、甲基丙烯酸缩水甘油酯(GMA)为单体原料,合成一种具备核壳结构的聚合物乳液,在此基础上,以双丙酮丙烯酰胺(DAAM)和己二酸二酰肼(ADH)为交联体系,合成得到一种自交联聚丙烯酸酯核壳乳液.产物的FT-IR,TEM,DSC测试表明该体系发生了交联反应且乳液胶乳粒子具有核壳结构;力学性能测试表明当DAAM和ADH的质量比为1时,聚合物乳液涂膜的拉伸强度可达6.92 MPa,比交联前提高了57.99％;接触角测试得出交联改性后的聚合物具有较低的接触角,提高了聚合物对粉尘颗粒的润湿性,解释了该聚合物与粉尘颗粒的作用机制.合成的自交联聚丙烯酸酯核壳乳液作为可剥离型去污剂在表面放射性去污方面具有良好的应用前景.
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