公开(公告)号：US20190077707A1

公开(公告)日：2019-03-14

申请号：US16084755

申请日：2017-03-31

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Kiyoshi KAMITANI ,  Keiji SAITOU ,  Kenji TOKUNAGA ,  Hideo TAWARA

IPC: C04B14/30 ,  C04B14/02 ,  C04B14/46 ,  C04B14/28 ,  C04B16/06 ,  C04B18/08 ,  C04B18/10 ,  C04B20/00 ,  C04B28/04

CPC classification number: C04B14/303 ,  C04B14/022 ,  C04B14/28 ,  C04B14/4631 ,  C04B16/06 ,  C04B18/08 ,  C04B18/10 ,  C04B20/008 ,  C04B28/04 ,  C04B28/06 ,  C04B28/16 ,  C04B40/0042 ,  C04B2103/44 ,  C04B2111/70 ,  C04B2201/05 ,  Y02W30/92 ,  Y02W30/94 ,  C04B7/02 ,  C04B7/32 ,  C04B22/0093 ,  C04B22/10 ,  C04B24/06 ,  C04B22/143 ,  C04B22/147 ,  C04B2103/50 ,  C04B14/041 ,  C04B14/06 ,  C04B14/104 ,  C04B14/386 ,  C04B18/06 ,  C04B18/141 ,  C04B18/18 ,  C04B22/085 ,  C04B24/04 ,  C04B24/26 ,  C04B2103/0079

Abstract: This rapid-hardening cement composition includes: a rapid-hardening admixture; and cement in an amount of 100 parts by mass to 2,000 parts by mass with respect to 100 parts by mass of the rapid-hardening admixture, wherein the rapid-hardening admixture is a composition that contains: calcium aluminate; inorganic sulfate in an amount of 50 parts by mass to 200 parts by mass with respect to 100 parts by mass of the calcium aluminate; and a setting modifier in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the calcium aluminate, and an average particle diameter of the calcium aluminate is in a range of 8 μm to 100 μm, and an average particle diameter of the setting modifier is in a range of 5 μm or less.

公开(公告)号：US20200317576A1

公开(公告)日：2020-10-08

申请号：US16078652

申请日：2017-03-31

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Kiyoshi KAMITANI ,  Daisuke KIMOTO ,  Kenji TOKUNAGA ,  Hideo TAWARA

IPC: C04B28/06 ,  C04B22/14 ,  C04B24/04 ,  C04B16/06 ,  C04B18/14 ,  C04B40/00

Abstract: This rapid-hardening mortar composition includes: a rapid-hardening admixture; cement; and a fine aggregate, wherein the cement is contained in an amount of 100 parts by mass to 2,000 parts by mass with respect to 100 parts by mass of the rapid-hardening admixture, the rapid-hardening admixture is a composition that contains: calcium aluminate; inorganic sulfate in an amount of 50 parts by mass to 200 parts by mass with respect to 100 parts by mass of the calcium aluminate; and a setting modifier in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the calcium aluminate, and an average particle diameter of the calcium aluminate is in a range of 8 μm to 100 μm, and an average particle diameter of the setting modifier is in a range of 5 μm or less.

公开(公告)号：US20190161409A1

公开(公告)日：2019-05-30

申请号：US16088354

申请日：2017-03-31

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Kiyoshi KAMITANI ,  Kenji TOKUNAGA ,  Hideo TAWARA

IPC: C04B28/06 ,  C04B24/06 ,  C04B22/10 ,  C04B22/00 ,  C04B22/14 ,  C04B40/00

Abstract: The present invention provides a rapid-hardening admixture for accelerating hardening of a cement composition and a method for producing the same. The rapid-hardening admixture includes calcium aluminate, inorganic sulfate, and a setting modifier, in which the calcium aluminate has an average particle diameter in a range of 8 μm to 100 μm, and the setting modifier has an average particle diameter of 5 μm or less.