PS/PU nanocomposite emulsion of core-shell structure with anionic polyurethane as shell and polystyrene as core was prepared by seeded emulsion polymerization.

• 采用种子乳液聚合法,合成出以聚氨酯(PU)为壳、聚苯乙烯(PS)为核的核壳结构聚苯乙烯/聚氨酯(PS/PU)纳米复合乳液。