以氯化聚丙烯（ＭＣＰＰ）与聚乙二醇（ＰＥＧ）为原料，在金属钠作用下，合成了ＭＣＰＰ为主链，ＰＥＧ为支链的梳形两亲性高聚物．用ＦＴＩＲ表征了高聚物的结构，并测定了ＭＣＰＰ接枝ＰＥＧ前后的吸水性，水在其表面的接触角及乳液分散性．结果表明：两亲性高聚物的吸水性能随着ＰＥＧ含量的增加而增强，水在其表面的接触角随着ＰＥＧ含量的增加而减少，它的乳液分散性能与其浓度及支链ＰＥＧ分子量有关． Chloroporphyrin (MCPP) and polyethylene glycol (PEG) were used as raw materials to synthesize comb-like amphiphilic polymers with MCPP as main chain and PEG as branched chain under the action of metallic sodium. The structure of the polymer was characterized by FTIR, and the water absorbency, the contact angle of water on the surface and the dispersibility of the emulsion were measured before and after PEG PEG graft. The results showed that the water absorption capacity of amphiphilic polymers increased with the increase of PEG content, while the contact angle of water decreased with the increase of PEG content. The dispersibility of amphiphilic polymer was related to its concentration and the molecular weight of branched PEG .