Hydraulic fixing agent and method for reducing the cohesion...

Details Hydraulic fixing agent and method for reducing the cohesion... Hydraulic fixing agent and method for reducing the cohesion...

2006-02-14

2006-02-14

Fiorilla, Christopher A. (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

C134S026000, C134S042000, C427S271000, C427S336000, C427S337000

Reexamination Certificate

active

06998012

ABSTRACT:
Hydraulic fixing agent that is based on Portland cement, a sulphate and aluminum component that is usual in this system, and optionally other additives. This is characterized in that, according to DIN 18156 (Part 2, Sec. 5.2.2.2, 5.2.2.3a) and 5.2.2.4), the hydraulic fixing agent has (1) an adhesive pull strength of at least approximately 0.15 N/mm2when acted upon by water for 40 hours and (2) an adhesive pull strength of at most approximately 0.10 N/mmyy2 when acted upon by an aqueous sulphate solution and/or an aqueous solution of an aluminum salt, each of which has a pH value of 12.5, for a period of 40 hours.

REFERENCES:
patent: 32 15777 (1982-04-01), None
patent: 43 42 407 (1995-06-01), None

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