Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property
作者： Xue Jiang , Chun Feng , Guolin Lu , Xiaoyu Huang
DOI: 10.1016/J.POLYMER.2015.01.050
关键词:
摘要: Abstract A homopolymer strategy was developed to synthesize temperature and pH/CO 2 stimulus-responsive homopolymers. new class of acrylamide monomers bearing oligo(ethylene glycol) unit N,N -diethylaminoethyl group were designed prepared through Aza-Michael addition reaction followed by amidation with acryloyl chloride using amino as a linkage connect glycol), -diethylaminoethyl, polymerizable double bond groups together. Subsequently, the corresponding homopolymers containing in each repeated via RAFT polymerization controlled molecular weights relatively narrow weight distributions. The lower critical solution (LCST) examined be influenced weight, salt concentration, pH value aqueous solution. LCSTs could tuned wide window changing it increased decrease value. Particularly, CO gas unique stimulus can also reversibly adjust solubility without acids or bases.
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