Glycidyl methacrylate polymer and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a glycidyl methacrylate polymer and a preparation method thereof.The copolymer is prepared from styrene, acrylonitrile, glycidyl methacrylate, methyl methacrylate and an initiator, the mass ratio of the styrene to the acrylonitrile to the glycidyl methacrylate to the methyl methacrylate is (65-75): (20-25): (2-10): (1-3). The preparation process provided by the invention is simple and convenient, raw materials are easy to obtain, industrial production is easy to realize, and compared with a melt grafting method, a suspension polymerization method or a solution polymerization method in the prior art, a polymer with high content of glycidyl methacrylate can be prepared by adopting a twin-screw extruder. 本发明涉及高分子材料技术领域，尤其涉及一种甲基丙烯酸缩水甘油酯聚合物及其制备方法，所述共聚物的制备原料包括：苯乙烯、丙烯腈、甲基丙烯酸缩水甘油酯、甲基丙烯酸甲酯和引发剂，所述苯乙烯、丙烯腈、甲基丙烯酸缩水甘油酯、甲基丙烯酸甲酯的质量比为(65-75)：(20-25)：(2-10)：(1-3)。本发明所述的制备工艺方法简便，原料易得，容易实现工业化生产，相对于现有技术的熔融接枝方法、悬浮聚合方法或溶液聚合方法，本发明采用双螺杆挤出机即可制备高含量