Title:
PREPARATION OF CONCRETE ACCELERATOR
Document Type and Number:
WIPO Patent Application WO2001042165
Kind Code:
A3
Abstract:
An alkali-free accelerator for sprayed concrete is prepared by dissolving aluminium sulphate and amorphous aluminium hydroxide in water which optionally contains one amine, and optionally adding at least one stabiliser, selected from hydroxycarboxylic acids and phosphoric acids and non-alkaline salts thereof, and at least one defoaming agent.
Inventors:
HOFMANN THOMAS (CH)
Application Number:
PCT/EP2000/012216
Publication Date:
November 15, 2001
Filing Date:
December 01, 2000
Export Citation:
Assignee:
MBT HOLDING AG (CH)
HOFMANN THOMAS (CH)
HOFMANN THOMAS (CH)
International Classes:
C04B22/06; C04B22/14; C04B22/16; C04B24/06; C04B24/12; C04B28/02; C04B40/00; C04B103/14; C04B103/50; (IPC1-7): C04B22/14; C04B103/10
Domestic Patent References:
| WO2000078688A1 | 2000-12-28 | |||
| WO1996005150A1 | 1996-02-22 | |||
| WO1995025702A1 | 1995-09-28 |
Foreign References:
| EP0812812A1 | 1997-12-17 | |||
| EP0742179A1 | 1996-11-13 | |||
| DE19625853A1 | 1997-01-02 |
Other References:
See also references of EP 1237827A2
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