含树枝体疏水缔合聚合物——聚醚树枝体改性聚丙烯酰胺的合成和性质  

DENDRIMER-CONTAINING HYDROPHOBICALLY ASSOCIATING POLYMER: SYNTHESIS AND PROPERTIES OF POLYETHER DENDRIMER MODIFIED POLYACRYLAMIDE

作　　者：朱麟勇[1] 戴玉华[1] 李妙贞[1] 王尔鑑[1] 

机构地区：[1]中国科学院理化技术研究所,北京100101

出　　处：《高分子学报》2003年第5期746-748,共3页Acta Polymerica Sinica

基　　金：国家重点基础研究发展规划 (项目号G19990 2 2 5 0 3 )资助项目

摘　　要：Dendrimer-containing hydrophobically associating polymers (PDAM) have been synthesized by micellar copolymerization of acrylamide (AM) with a small amount of polyether dendrimer monomer(DA).The association behaviors and rheological properties of this polymer in aqueous solution were studied by viscometry and fluorescence probe.It was found that such polymers exhibit a large hydrophobic effect and easily self-association in dilute aqueous solutions.Their solution viscosities show a pronounced nonlinear dependence on dendritic hydrophobe content in the polymer and a maximum value appeared at an appropriate content.This behavior can be attributed to the balance between inter- and intraaction associations,which can be controlled with the hydrophobe content of the polymer.Dendrimer-containing hydrophobically associating polymers (PDAM) have been synthesized by micellar copolymerization of acrylamide (AM) with a small amount of polyether dendrimer monomer(DA) The association behaviors and rheological properties of this polymer in aqueous solution were studied by viscometry and fluorescence probe. It was found that such polymers exhibit a large hydrophobic effect and easily self-association in dilute aqueous solutions. Their solution viscosities show a pronounced nonlinear dependence on dendritic hydrophobe content in the polymer and a maximum value appeared at an appropriate content. This behavior can be attributed to the balance between inter- and intraaction associations, which can be controlled with the hydrophobe content of the polymer.

关 键 词：疏水缔合聚合物 聚醚树枝体 改性聚丙烯酰胺 胶束共聚合 粘度 合成 

分 类 号：TQ316.3[化学工程—高聚物工业]