采用自由基胶束共聚法以丙烯酰胺(AM)和N-苄基-N-辛基丙烯酰胺(BOAM)为原料,合成了疏水缔合共聚物(AM-NaA-BOAM),并用红外光谱(FT-IR)和核磁共振(1H-NMR)表征了共聚物的结构.溶液的流变性实验表明,当共聚物浓度大于600 mg/L时,表现黏度显著增大,表现出疏水缔合行为,溶液的储能模量(G')大于损耗模量(G"),且共聚物具有较好的耐温抗盐性能.
参考文献
[1] | Volpert E.;Candau F.;Selb J. .INFLUENCE OF THE HYDROPHOBE STRUCTURE ON COMPOSITION, MICROSTRUCTURE, AND RHEOLOGY IN ASSOCIATING POLYACRYLAMIDES PREPARED BY MICELLAR COPOLYMERIZATION[J].Macromolecules,1996(5):1452-1463. |
[2] | G.O.Yahaya;A.A.Ahdab;S.A.Ali;B.F.Abu-Sharkh;E.Z.Hamad .Solution behavior of hydrophobically associating water-soluble block copolymerso of acrylamide and N-benzylacrylamide[J].Polymer: The International Journal for the Science and Technology of Polymers,2001(8):3363-3372. |
[3] | Valeria Castelletto;Ian W.Hamley;Wei Xue;Cornelia Sommer;Jan Skov Pedersen;Peter D.Olmsted .Rheological and Structural Characterization of Hydrophobically Modified Polyacrylamide Solutions in the Semidilute Regime[J].Macromolecules,2004(4):1492-1501. |
[4] | 钟传蓉,黄荣华,张熙,刘强.AM-STD-NaAMPS三元疏水缔合共聚物的表征及耐热性能[J].高分子材料科学与工程,2003(06):126-130. |
[5] | 郭浩鹏,高保娇,章艳,汪剑.含孪尾型丙烯酰胺的HAPAM在新胶束聚合体系中的制备及其疏水缔合性[J].功能高分子学报,2008(02):117-122,146. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%