Title: Synthesis of High-Performance Water-reducing Agent WD-1 by Process of Esterification-Copolymerization
Abstract:In this paper,high performance polycarboxylic type water-reducing agent WD-1 is synthesized in following steps: 1.Methyl acrylic acid is esterized with polyethylene glycol;2.The ester intermediate is ...In this paper,high performance polycarboxylic type water-reducing agent WD-1 is synthesized in following steps: 1.Methyl acrylic acid is esterized with polyethylene glycol;2.The ester intermediate is polymerized with sodium allylsulfonate and methyl acrylic acid.The polymerization degree of PEG(n),the temperature of esterification(T)and their effect on major performance of water reducing agent WD-1 are discussed.The product is characterized by IR;and the total performance is tested.The results show that the water-reducing ratio of WD-1 is 26.9% when n=9 and T=80?℃.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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