Self-crosslinkable latex at room temperature with high elasticity is prepared when N-hydroxymethyl acrylamide is used as采用N-羟甲基丙烯酯胺为自交联单体，聚马来酸钠为保护胶体，采用预乳化半连续种子乳液聚合工艺，制备出高弹性室温自交联乳液。