PBT toughening agent, modified PBT material and preparation method PBT toughening agent

The invention discloses a PBT toughening agent, a modified PBT material and a preparation method of the PBT toughening agent, and belongs to the field of high polymer materials. The preparation methodof the PBT toughening agent comprises the step of carrying out emulsion polymerization reaction on tert-dodecyl mercaptan, styrene, acrylonitrile, glycidyl methacrylate, sodium pyrophosphate, glucose, ferrous sulfate, cumyl hydroperoxide and disproportionated abietic acid soap liquid. The method is useful for directing modulation of the impact strength of PBT and synthesis of specific functionalized SAN polymers. 本发明公开了一种PBT增韧剂和改性PBT材料及其制备方法，属于高分子材料领域。所述PBT增韧剂的制备方法包括：将叔十二烷基硫醇、苯乙烯、丙烯腈、甲基丙烯酸缩水甘油酯、焦磷酸钠、葡萄糖、硫酸亚铁、过氧化氢异丙苯和歧化松香酸皂液进行乳液聚合反应。该方法用于指导调节PBT的冲击强度和特定官能化SAN聚合物的合成。