Synthesis and properties of multi‐armed polycarboxylate superplasticizer modified by β‐cyclodextrin
Hang Yuan,
Hua Yuan
Abstract:The polycarboxylate superplasticizer with a multi‐armed structure (multi‐armed‐PCE) was synthesized via RAFT polymerization of pentaerythritol triacrylate, acrylic acid, macro‐monomer polyethylene glycol ether (GPEG) and a certain amount of β‐cyclodextrin esterified by maleic anhydride (MA‐β‐CD). The precise structure of the multi‐armed‐PCE was characterized by NMR, FTIR, and GPC. Benefitting from the stronger steric hindrance effect provided by the multi‐armed topology and MA‐β‐CD side chains, the polymer exh… Show more
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