公开(公告)号：US11845694B2

公开(公告)日：2023-12-19

申请号：US17602330

申请日：2020-03-04

Applicant: SINTOKOGIO, LTD.

Inventor： Kazuyuki Nishikawa ,  Masanori Tomioka ,  Yusuke Kato ,  Tetsuji Matsui ,  Tomohiro Aoki

IPC: C04B28/00 ,  B22C1/10 ,  B22C1/18 ,  C04B14/02 ,  C04B14/06 ,  C04B22/02 ,  C04B22/04 ,  C04B103/40 ,  C04B111/28

CPC classification number: C04B28/006 ,  B22C1/10 ,  B22C1/188 ,  C04B14/022 ,  C04B14/06 ,  C04B22/02 ,  C04B22/04 ,  C04B2103/402 ,  C04B2103/406 ,  C04B2111/28

Abstract: The invention relates to a composition for forming a casting mold, the composition containing heat-resistant inorganic particles; a waterglass-based binder; a surfactant; a silicon-containing compound; activated carbon powder and grain; and water; and the silicon-containing compound contains at least one of metal silicon and ferrosilicon.