发明名称 |
SETTING ACCELERATOR FOR A DRY MORTAR BLEND, PROCESS FOR PRODUCING SUCH A SETTING ACCELERATOR, A DRY MORTAR BLEND AND A MORTAR PASTE |
摘要 |
The invention relates to a setting accelerator for a dry mortar blend, the setting accelerator being in the form of a powder comprising calcium nitrate and having a water content between 0.1% and 20%. The invention furthermore relates to a process for producing such a setting accelerator, wherein either prills and/or granules comprising calcium nitrate and a different nitrate salt are processed forming a powder comprising calcium nitrate and the different nitrate salt and having a water content of higher than 5% and lower than 20%, either an aqueous solution at least comprising dissolved calcium nitrate is spray dried at a temperature between 150°C and 250°C, forming a powder comprising at least calcium nitrate and having a water content between 0.1% and 20%, the powder serving as the setting accelerator. The invention also relates to a dry mortar blend comprising at least a cement, sand and a setting accelerator according to the invention and to a mortar paste comprising the dry mortar blend according to the invention which is mixed with water. |
申请公布号 |
WO2015067588(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
WO2014EP73646 |
申请日期 |
2014.11.04 |
申请人 |
YARA INTERNATIONAL ASA |
发明人 |
FRANKE, WOLFRAM;LANGHOLM, ANNE, METTE;THOMMESEN, HILDE, BREKKE, DAHL;ENGESVEEN, BJØRN, HELGE |
分类号 |
C04B22/08;C04B28/02;C04B40/00 |
主分类号 |
C04B22/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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