CS272702B1 - Agent for wood species' wounds treatment - Google Patents

Abstract

The solution concerns the agent for treatment of tree wounds, which can be used in mass production of gardening products and for treatment of timber as well as by ordinary gardeners. The gist of the solution is water dispersion of macromolecular materials, which gain further application advantages by suitable formulation of other additives, which concerns both application and the functional effect when treating tree wounds.

Description

(57) The solution concerns a wound care product which is applicable both to large scale production and to the treatment of productive trees ¹ as well as for small-scale consumers such as gardeners. The essence of the solution is an aqueous dispersion of macromolecular materials suitable formulation ingredients Saíšich acquire application-cfalšie benefits both in the application, ^t as well as functional pbsobenia in the treatment of early species.

272 702 (11) (13) (51) Int. Cl. ⁵ A 01 N 3/04

CS 272702 Bl

The invention solves a modification of the composition for the treatment of wood wounds based on aqueous dispersions! with increased functional effect, with the individual components being commercially available substances ·

In the treatment of woody plants, especially cultural ones such as educational cut, rejuvenating cut and the like. or when injured, fresh wounds are treated to prevent infestation as well as loss of the biological water phase. This treatment was traditionally carried out with natural waxes, especially beeswax, but due to the development of fruit growing as well as small berry fruits, these sources are far from sufficient, and moreover, the layout of the washing requires low-temperature treatment where these materials are not malleable and to the early. The production of synthetic waxes for these purposes did not find a broader manufacturing response and therefore, newer materials were searched that would be capable of functional application for these purposes. So eg. The use of paraffins is known, but their availability, but especially the physico-mechanical properties at the application temperatures, did not create sufficient space for their use for this purpose. Some results were obtained by using drying oils, although they were of natural origin, but the drying time was relatively long and the use of siccatives shortened the time, but the siccative present was negative. In addition, the addition of sicatites was bound for immediate use.

Recent developments have shown advantageous dispersions of synthetic macromolecular materials, in particular polyvinyl acetate (PVAC) dispersions, which have shown good biological functional efficacy, but lower temperatures cause the dispersions to precipitate, thus degrading them. Nals disadvantage that microcracks formed after drying, ^one run through the organic aqueous phase.

The aforementioned drawbacks are eliminated by a composition for the treatment of wood wounds based on aqueous dispersions of synthetic macromolecular materials, mineral fillers with an average particle size of 0.3 mm and pigments according to the invention, which consists of 100 parts by weight of polyvinyl acetate dispersion with a dry matter content of 50-1.5%. · 100 to 200 mass parts of aepoň one mineral filler from the group of CaCO ^, Ti0 _2, ZnO, BaSO ^, 5 to 15 mass parts of varnish and 5 to 15 mass parts of at least one glycol of two to four carbon atoms, and pigments from the group of carbon black and Fe oxides, the resulting dry matter of the composition according to the invention being 50 to 65% by weight.

Among the main advantages of the composition according to the invention is the fact that, by combining known substances of the resulting system, it has synergistic effects with complex personalization, since viscosity properties are suitable for application, but without undesirable flowing, after application form a compact layer from curing to healing. allows working at normal temperatures down to 0 ° C without breaking the dispersion.

The basic binder is a PVAC dispersion or so-called binder. latex paint based on PVAC dispersion, which may already contain pigment. To this basic dispersion are added successively the at -atložky components and the resulting system is preferably continuously homogenized. The final product is selected with a color having a reflective or a reflective color. light-absorbing properties close to these wood surface properties.

The addition of glycols, most often ethylene glycol or propylene glycol, together with the addition of drying oils and varnish in association with the added amount and type of fillers, adjusts theological properties, affects opacity, stability, dispersion and drying oil blocks the penetration of biological fluids or microcracks. The indicated amounts of the individual components do not constitute a critical limitation, but define a substantially preferred application area.

The following examples illustrate the possible variability in the composition of the composition of the invention.

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CS 272702 B1 2

Example 1

A 250 ml beaker is weighed 30 g of the aqueous dispersion SLOVILAX BD - 20 (PVAC dispersion) and 3 g of varnish (cable) 0 - 1000 in a laboratory rýchlomiašadla frekventíi of rotation of 1000 ^min-1 to the mixture aqueous dispersion, and the varnish were added and 30 g of micronized limestone, 30 g of titanium dioxide, 5 g of eadzi, 2 g of iron oxide and 50 ml of water. Total homogenization lasted 15 min. The obtained homogeneous mixture had 52 wt. non-volatile holdings.

Example 2

Using the same procedure as in example 1, homogenized mixture 30 g white latex paint V-2011 (PVAC dispersion · - pigmented) g monoethylene glycol g black liquid paint PN 0027 producer DRUTEP - Teplice 30 g micronized limestone 30 g titanium white (anatase) ml water

The obtained homogeneous mixture contained 65 wt. non-volatile parts.

Example 3

Using the same procedure as in Example 1, a homogenized mixture of 50 g white latex paint V-2011 (PVAC dispersion - pigmented) g varnish 0-1000 g monoethylene glycol g black liquid paint - PN 0027 manufacturer DRUTEP - Teplice g brown tint - Ramakolor tint Paints varnishes, n, p.

The obtained homogeneous mixture contained 52.4 wt. non-volatile holdings.

Claims (2)

OBJECT OF THE INVENTION A composition for the treatment of wood wounds based on aqueous dispersions of synthetic macromolecular materials, mineral fillers and an average particle size below 0.3 mm and pigments, characterized in that it consists of 100 parts by weight of a polyvinyl acetate dispersion having a dry matter content of 50-1.5% by weight 100 to 200 parts by weight of at least one mineral filler from the group of CaCOg, TiOg, ZnO, BaSO ₄ , 5 to 15 parts by weight of varnish; and 5 to 15 parts by weight of at least one glycol having two to four carbon atoms and pigments of the carbon black group and oxides of Fe, the resulting dry matter of the composition according to the invention being 50 to 65% by weight. 2. The composition of claim 1, wherein the polyvinyl acetate dispersion comprises up to 20% by weight of an alkyl phthalate plasticizer.