RU2476520C1 - Mulching composition - Google Patents

Abstract

FIELD: chemistry.

SUBSTANCE: mulching composition contains lignosulphonate, carbamide, NA-carboxymethyl cellulose, potassium chloride and, as natural additives, Hymenophytum moss and Juniperus virginiana 'Hibernica' juniper 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, Hymenophytum moss 10-15, Juniperus virginiana 'Hibernica' juniper needles 8-9, and water - the balance. The invention enables to use multiple types of natural materials.

EFFECT: wider range of soil mulching agents.

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 known was the composition of the mulching coating in which polyacrylamide, urea, lignosulfonate, potassium chloride and water were used, in the following ratio, wt.%: Polyacrylamide 0.25-0.75, lignosulfonate 0.5-1.5, urea 0 , 4-0.8, potassium chloride 1-3, water - the rest (Russian patent No. 2034899 C1, 1995, class of international classification of patents С09К 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 environmentally friendly.

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 mulch coating according to the invention contains lignosulfonate, urea, Na-carboxymethyl cellulose, potassium chloride, and as natural additives moss of the species Hymenophytum and needles of juniper Juniperus virginiana 'Hibernica', water in wt.%:

lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 8-9 water rest.

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

Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 9.1-9.5

or

Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 9.8-11

The composition is prepared as follows.

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

The table shows various examples for the variants of the invention:

Table Ingredients Wt% one 2 3 Lignosulfonate, wt.% 0.1 0.25 0.4 Urea, wt.% 0.2 0.4 0.6 Na-carboxymethyl cellulose, wt.% 0.3 0.35 0.4 Potassium chloride, wt.% one 2 3 Moss of the species Hymenophytum, wt.% 10 13 fifteen Juniper needles Juniperus virginiana 'Hibernica', wt.% 8 9.5 10

Claims (3)

1. 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 Hymenophytum and needles of juniper Juniperus virginiana 'Hibernica', water in the following ratio, wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 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 Hymenophytum and needles of juniper Juniperus virginiana 'Hibernica', water in the following ratio, wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 9.1-9.5 water rest 3. 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 Hymenophytum and needles of juniper Juniperus virginiana 'Hibernica', water in the following ratio, wt.%:
lignosulfonate 0.1-0.4 urea 0.2-0.6 Na-carboxymethyl cellulose 0.3-0.4 potassium chloride 1-3 Hymenophytum moss 10-15 juniper needles Juniperus virginiana 'Hibernica' 9.8-11 water rest