Dispersions and the use thereof in concrete mixtures

A concrete mixture comprising:

• 0.01-0.5 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-%, based on the total weight of the dispersion, water:
• 1. 0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement
• filling agent and
• water.

A concrete mixture comprising:

• 0.05-0.15 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-% (percent by weight), based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%;
• cement,
• filling agent and
• water.

A process for the production of a building material, comprising the steps of:

• Preparing a concrete mixture comprising:
• 0.01-0.5 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-%, based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement
• filling agent and
• water,
• Mixing said concrete mixture;
• Pouring said concrete mixture into a mold;
• and
• Allowing said concrete mixture to set.

A process for the production of a slab-shaped building material, comprising the steps of:

• Preparing of a concrete mixture comprising:
• 0.01-0.5 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-%, based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement
• filling agent and
• water,
• Mixing said concrete mixture;
• Pouring said concrete mixture into a slab-shaped mold;
• and
• Allowing said concrete mixture to set.

A process for preparing a construction, comprising the steps of:

• Preparing a concrete mixture comprising:
• 0.01-0.5 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-%, based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement
• filling agent and
• water;
• Mixing said concrete mixture;
• Forming said concrete mixture to produce said construction;
• and
• Allowing said concrete mixture to set.

A process for the production of a building material, comprising the steps of:

• Preparing a concrete mixture comprising:
• 0.05-0.15 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-% (percent by weight), based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement,
• filling agent and
• water;
• Mixing said concrete mixture;
• Forming said building material from said concrete mixture;
• and
• Allowing said concrete mixture to set.

A process for the production of a stone-shaped building material, comprising the steps of:

• Preparing a concrete mixture comprising:
• 0.05-0.15 liter per kg cement of a dispersion comprising:
• 83.0-96.0 wt-% (percent by weight), based on the total weight of the dispersion, water;
• 1.0-6.0 wt-%, based on the total weight of the dispersion, of a 30-70 wt-% aqueous, synthetic latex;
• 1.0-7.2 wt-%, based on the total weight of the dispersion, of an alkaline earth metal formate;
• and,
• 0.02-0.12 wt-%, based on the total weight of the dispersion, lauryl-sulfonate;
• whereby the weight of all components of the dispersion totals 100 wt-%,
• cement,
• filling agent and
• water;
• Mixing said concrete mixture;
• Pouring said concrete mixture into a stone-shaped mold;
• and
• Allowing said concrete mixture to set.

An aqueous dispersion comprising by weight based on the total weight of the dispersion:

• 83.0-96.0 wt-% water;
• 1.0-6.0 wt-% of a 30-70 wt-% aqueous synthetic latex;
• 0.02-0.12 wt-% lauryl sulfonate;
• and,
• at least one additive selected from the group consisting of, 1.0-7.2 wt-% of an alkaline earth metal formate, 0.2-1.2 wt-% of cellulose ether, 0.6-1.2 wt-% of a preservative agent, 0.25-0.6 wt-% of a foam separator, and 0.2-1.0 wt-% of a 50-60 wt-% aqueous paraffin emulsion;
• whereby the weight of all the components of the dispersion totals 100 wt-%.