Mulching composition (versions)

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry of synthetic substances - polymer substances in a mixture with organic and natural substances, for example, for urban and agricultural purposes, or to compositions for mulching different types of soil, lawn and parking areas. The mulching composition contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Hymcnophytum moss and Larix griffithii larch needles, and water in the following ratios, wt %: lignosulphonate 0.1-0.4, carbamide 0.2-0.6, Na-carboxymethyl cellulose 0.3-0.4, potassium chloride 1-3, Mymenophytum moss 10-15, Larix griffithii larch needles 8-9, water - the balance. Also disclosed are other versions of polymer-natural mulching compositions in which the quantitative content of the needles is changed.

EFFECT: wider range of soil mulching compositions.

3 cl, 1 tbl

 

The invention relates to the chemistry of synthetic substances polymer in a mixture with organic and natural substances, for example, for urban and agricultural purposes or compositions for mulching different types of soils, lawns, parks and gardens.

Was formerly known such a composition of the mulch, which is used polyacrylamide, urea, lignosulfonate, potassium chloride and water in the following ratio mass%: polyacrylamide, 0.25 to 0.75, lignosulfonate 0.5 to 1.5, urea, 0.4 to 0.8, potassium chloride 1-3, water the rest (patent of Russia №2034899 C1, 1995, a class of the international classification of patents, SC 17/00).

However, this patent did not use natural materials is a significant disadvantage. Nature provides many suitable materials, many mosses, different types of wood waste, bark, shavings, chips. In this case, different types of wood can be combined with different kinds of synthetic materials - polymers, their waste if they are harmless to the environment.

In my invention the technical result is the use of numerous kinds of natural materials, that is, the extension of the range of compositions for mulching soils.

This result is achieved by the fact that the composition of the mulch, according to the invention, contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Hymenophytum and needles of larch Larix griffithii, water footprint. wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Hymenophytum10-15
needles of larch Larix griffithii8-9
waterthe rest of it.

As variants invented the following compounds, which are changed (selected) important relations for moss and pine needles:

moss species Hymenophytum10-15
needles of larch Larix griffithiifrom 9.1 to 9.5

or

moss species Hymenophytum10-15
needles of larch Larix griffithii9,8-11

The composition prepared as follows.

These ingredients are subjected separately to grinding and after mixing in water the environment.

The table shows various examples of variants of the invention:

Table
IngredientsWt %
123
Lignosulfonate, wt.%0,10,250,4
urea, wt.%0,20,40,6
Na-carboxymethylcellulose, wt.%0,30,350,4
potassium chloride, wt.%123
moss species Hymenophytum, wt.%101315
Needles of larch Larix griffithii, wt.%89,510

1. The composition of the mulch, characterized in that it contains lignosulfonic is t, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Hymenophytum and needles of larch Larix griffithii, water in the following, wt%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Hymenophytum10-15
needles of larch Larix griffithii8-9
waterrest

2. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Hymenophytum and needles of larch Larix griffithii, water in the following, wt%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
to the Lee chloride 1-3
moss species Hymenophytum1.0-15
needles of larch Larix griffithiifrom 9.1 to 9.5
waterrest

3. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Hymenophytum and needles of larch Larix griffithii, water in the following, wt%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Hymenophytum10-15
needles of larch Larix griffithii9,8-11
waterrest



 

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