Structural adhesive with excellent low-temperature impact peel strength and preparation method thereof

The invention relates to a structural adhesive with excellent low-temperature impact peel strength and a preparation method thereof. The structural adhesive is prepared from specific weight percentages of epoxy resin, a toughening agent, dicyandiamide, an accelerant, a filler and a physical foaming agent, can overally achieve excellent low-temperature impact resistance, has good high-and-low-temperature shear strength, and meets the use performance requirements of automobiles in low-temperature cold weather. 本发明涉及一种低温冲击剥离强度优异的结构胶及其制备方法，该结构胶由特定重量百分比的环氧树脂、增韧剂、双氰胺、促进剂、填料和物理发泡剂制备而成，整体上可达到优异的低温抗冲击性能，同时也具有良好的高低温剪切强度，满足汽车在低温寒冷天气下使用性能要求。