RU2508330C1 - Mulching composition (versions) - Google Patents

Abstract

FIELD: chemistry.

SUBSTANCE: mulching composition contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Pallavicinia moss and Larix kurilensis 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, Pallavicinia moss 10-15, Larix kurilensis larch needles 8-9, water - the balance.

EFFECT: wider range of soil mulching compositions.

3 cl, 1 tbl

Description

The invention relates to the chemistry of synthetic substances - polymeric mixed with organic and natural substances, for example, for urban and agricultural purposes or to compositions for mulching various types of soils, lawns, park areas.

Previously, such a composition of the mulching coating was known in which polyacrylamide, urea, lignosulfonate, potassium chloride and water were used, in the following ratio by weight. %: polyacrylamide 0.25-0.75, lignosulfonate 0.5-1.5, carbamide 0.4-0.8, potassium chloride 1-3, water the rest (Russian patent No. 2034899 C1, 1995, class of international classification of patents , C09K 17/00).

But such a patent did not use natural materials - this is a significant drawback. In nature, there are many materials suitable for this - many mosses, various types of wood waste, bark, shavings, wood chips. Moreover, different types of wood can be combined with different types of synthetic materials - polymers, their waste - if they are harmless to the environment.

In the invention, the technical result is the use of numerous types of natural materials, that is, the expansion of the arsenal of compositions for mulching soils.

This result is achieved in that the composition of the mulching coating according to the invention contains lignosulfonate, urea, Na-carboxymethyl cellulose, potassium chloride, and as natural additives moss of the species Pallavicinia and needles of larch Larix kurilensis, water in the following wt.%:

lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 moss species Pallavicinia 10-15 needles of larch Larix kurilensis 8-9 water rest.

As options, the following compositions were invented, in which important ratios for moss and needles were changed (selected):

moss species Pallavicinia 10-15 needles of larch Larix kurilensis 9.1-9.5

or

moss species Pallavicinia 10-15 needles of larch Larix kurilensis 9.8-11

The composition is prepared as follows.

These ingredients are individually milled and then mixed in an aqueous medium.

The table provides various examples for embodiments of the invention.

Table Composition, wt.% Ingredients one 2 3 lignosulfonate 0.1 0.25 0.4 urea 0.2 0.4 0.6 Na-carboxymethyl cellulose 0.3 0.35 0.4 potassium chloride one 2 3 moss species Pallavicinia 10 13 fifteen Larch needles Larix kurilensis 8 9.5 10

Claims (3)

1. The composition of the mulching coating, characterized in that it contains lignosulfonate, urea, Na-carboxymethyl cellulose, potassium chloride, and as natural additives moss of the species Pallavicinia and needles of larch Larix kurilensis, water in the following wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 moss species Pallavicinia 10-15 needles of larch Larix kurilensis 8-9 water rest. 2. The composition of the mulching coating, characterized in that it contains lignosulfonate, carbamide, Na-carboxymethyl cellulose, potassium chloride, and as natural additives moss of the species Pallavicinia and pine needles Larix kurilensis, water in the following wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 moss species Pallavicinia 10-15 needles of larch Larix kurilensis 9.1-9.5 water rest. 3. The composition of the mulch coating, characterized in that it contains lignosulfonate, carbamide, Na-carboxymethyl cellulose, potassium chloride, and as natural additives moss of the species Pallavicinia and pine needles Larix kurilensis, water in the following wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 moss species Pallavicinia 10-15 needles of larch Larix kurilensis 9.8-11 water rest.