发明名称 SURFACTANT-COATED HEMIHYDRATE GYPSUM AND PRODUCTION METHOD THEREOF
摘要 Surfactant-coated hemihydrate gypsum which is coated with 0.01 to 1 part by weight of a surfactant based on 100 parts by weight of hemihydrate gypsum, wherein the residual rate of the surfactant when the surfactant-coated hemihydrate gypsum is heated up to 300° C. is not less than 40 wt % of the amount of the surfactant before heating.
申请公布号 US2014150693(A1) 申请公布日期 2014.06.05
申请号 US201214234602 申请日期 2012.08.21
申请人 Hiranaka Shingo;Kato Hiroyoshi 发明人 Hiranaka Shingo;Kato Hiroyoshi
分类号 C04B11/00 主分类号 C04B11/00
代理机构 代理人
主权项 1. Surfactant-coated hemihydrate gypsum which is coated with 0.01 to 1 part by weight of a surfactant based on 100 parts by weight of hemihydrate gypsum, wherein the residual rate of the surfactant when the surfactant-coated hemihydrate gypsum is heated up to 300° C. is not less than 40 wt % of the amount of the surfactant before heating.
地址 Shunan-shi JP