| 发明名称 | One-component water-reducing agent, and preparation of hydraulic composition | ||
| 摘要 | The invention provides a thickener for hydraulic composition comprising (A) a water-soluble cellulose ether, (B) a defoamer, and (C) a gum. The thickener is combined with a hydraulic substance, an aggregate and water to form a hydraulic composition. | ||
| 申请公布号 | US9593047(B2) | 申请公布日期 | 2017.03.14 |
| 申请号 | US201514795014 | 申请日期 | 2015.07.09 |
| 申请人 | SHIN-ETSU CHEMICAL CO., LTD. | 发明人 | Yamakawa Tsutomu |
| 分类号 | C04B24/38;C04B24/28;C04B28/02;C04B40/00;C04B103/44 | 主分类号 | C04B24/38 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A one-component water-reducing agent comprising a thickener for hydraulic composition, said thickener comprising (A) a water-soluble cellulose ether selected from the group consisting of alkyl celluloses, hydroxyalkyl celluloses, and hydroxyalkyl alkyl celluloses, (B) a defoamer, and (C) a gum selected from the group consisting of diutan gum, welan gum, xanthan gum, and gellan gum; and a water-reducing agent, wherein said water-reducing agent is a polycarboxylic acid copolymer and/or a salt thereof. | ||
| 地址 | Tokyo JP | ||