专利检索 ap:("YOSHINO GYPSUM CO., LTD.") AND inv:"Yoshikazu Tanaka" 第 1 页

1.

发明授权
Gypsum composition for dry-curing coating material, gypsum-based coating material, and construction method for gypsum-based coating material 有权

公开(公告)号：US10654754B2

公开(公告)日：2020-05-19

申请号：US15772369

申请日：2016-12-07

申请人： YOSHINO GYPSUM CO., LTD.

发明人： Itaru Yokoyama , Yoshikazu Tanaka

IPC分类号： C04B28/14 , C04B40/06 , E04F13/02 , C04B24/06 , C04B24/10 , C04B24/14 , C04B24/38 , C04B14/28 , C04B41/65 , C04B24/12 , C04B111/00 , C04B103/22 , C04B111/34

摘要： There is provided a gypsum composition for a drying type coating material, the gypsum composition, when made into a gypsum-based coating material by addition of water, capable of forming a coating film in which color unevenness is suppressed even though the coating film is thin and smooth. This gypsum composition for a drying type coating material contains hemihydrate gypsum having a mean particle diameter of 50 μm or less, calcium carbonate having a mean particle diameter of 50 μm or less, and a setting retarder, wherein the gypsum composition has a content of calcium carbonate of 100 to 400 parts by mass and a content of the setting retarder of 0.1 parts by mass or more each based on 100 parts by mass of the hemihydrate gypsum.