| 摘要 |
<p>A novel copolymer and a dispersant using the copolymer are provided. The copolymer is formed of a polyalkylene glycol diester body of itaconic acid, citraconic acid, or mesaconic acid and (meth)acrylic acid. It may further contain other copolymerizable monomer. The copolymer of this invention excels in dispersing property and water-reducing property and manifests a high flow magnitude. Thus, the cement composition using this copolymer enjoys excellent workability when it is put to use.</p> |
