The composition for fire - wood and biosecurity

 

(57) Abstract:

The invention can be used in woodworking, construction and other fields to obtain non-combustible materials and structures, it does not rot. Composition for heat - and bioprotective coating contains a mixture of products of interaction of equimolar quantities of phosphorous acid and urea. Depending on what the value of the viscosity and, consequently, some degree of fire protection is to be obtained, add the required amount of process water. Mainly the composition for heat - and bioprotective coating contains a mixture of products of interaction at a temperature 45-54oWith phosphorous acid with urea in a molar ratio of 1: 1. The composition is diluted with process water in the amount of 25-30 wt.% to obtain the viscosity of the composition of 9.8-10,4 mm2/viscosimetry VZ-246. For a more thorough impregnation of wood in the composition additionally impose 0.1-0.5 wt.% surfactants of the nonionic type. The composition provides reduced cost of the final product. 1 C.p. f-crystals, 2 tab.

The invention relates to the field of wood protection against fire and biodegradation and can be yspolzovalos and structures, it does not rot.

Know the use for fire wood and biosecurity compounds based on phosphorus and nitrogen-containing organic compounds.

The famous "flame Retardant to obtain fire protective paints and varnishes" (patent of the Russian Federation 2119931, 09 D 5/18, From 09 To 21/12, 1998), containing a mixture of the products of the reaction between pentaerythritol, dialkylphosphate, maleic anhydride and formamide.

The disadvantage of this structure is the use of dialkylphosphate that increases the cost of the final product and increases the Flammability of the production.

Closest to the proposed solution of the invention is the Composition for fire - wood and biosecurity" (patent of the Russian Federation 2061589, 27 To 3/36, From 09 To 21/12, 1996), containing a mixture of products of interaction of equimolar amounts of dialkylphosphate with urea at 34-78oWith shared content in the flame retardant: phosphorus - 8,2-a 20.2 wt.%, nitrogen - 3,6-16.4 wt.%.

However, the disadvantage of this structure is the use of dialkylphosphate, the production of which is expensive and requires the use of special technologies associated with the appearance of toxic products and high fire danger. The use of dialkylphosphate as fosforiliruyusciye agent fire - and biogas is svojstva.

The aim of the present invention is to improve fire safety in the production of fire - and bioprotectant composition, obtaining a high flame retardant properties while reducing the cost of the final product.

This goal is achieved by applying fosforiliruyusciye agent of phosphorous acid. The composition for fire - wood and biosecurity contains a mixture of the reaction product of equimolar quantities of phosphorous acid and urea. To obtain the necessary viscosity to the composition to add water.

Mainly, the composition for heat - and bioprotective coating wood contains a mixture of products of interaction of phosphorous acid with urea in a molar ratio of 1:1 at a temperature 45-54oC. To obtain the desired viscosity of the composition of 9.8-10,4 mm/viscosimetry VZ-246 (nozzle diameter of 2 mm) at a temperature of 20+0,5oWith, it added to the process water from the calculation of 25-30 wt.%.

For a more thorough impregnation of wood, improve the fire retardant properties ognezashita products, the composition containing the mixture of products of interaction of phosphorous acid and urea, technical diluted with water to the desired viscosity, additionally impose 0.1-0.5 wt.% pneu of wetting increases the penetrating power of composition.

To protect the wood against fire and biodegradation on its surface, apply the composition in the amount of 180-230 g/m

The invention is illustrated in the following examples.

Example 1. The composition is prepared as follows. Phosphorous acid and urea in amounts 82 g and 60 g, respectively, are mixed at room temperature. The resulting mixture was gradually heated to a temperature of 54oWith constant stirring to obtain a homogeneous pasty mass. The reaction mass is maintained at this temperature for 4-5 minutes then the mass is cooled to a temperature of 20+5oC, diluted with technical water in an amount of 25 g and stirred to obtain a clear, transparent liquid with a nominal viscosity of 9.8 mm/viscosimetry VZ-246 (nozzle diameter of 2 mm), temperature 20+0,5oC.

Example 2. In obtained as described in example 1, the liquid (167 g) add 0.3 wt.% (0,42 g) wetting OP-10; stirred until complete dissolution of wetting agent and advocate for 10-15 minutes until the disappearance of air bubbles in the liquid. Viscosity is 10.4 mm/viscosimetry VZ-246 (nozzle diameter of 2 mm).

Example 3. In obtained as described in example 1, the liquid (167 MT to the disappearance of air bubbles in the liquid.

Viscosity is 9.8 mm/viscosimetry VZ-246 (nozzle diameter of 2 mm).

In table.1 shows the physicochemical properties of the proposed and known compounds.

In table. 2 shows the operational characteristics of the proposed and known composition.

1. The composition for fire - wood and biosecurity based on phosphorus-containing and nitrogen-containing organic flame retardant additive containing a mixture of the reaction product of equimolar quantities fosforiliruyusciye agent with urea, characterized in that as fosforiliruyusciye agent used phosphorous acid, and the viscosity of the composition is produced by adding water into it.

2. The composition for fire - wood and biosecurity under item 1, characterized in that it further contains 0.1 to 0.5 wt.% surfactants of the nonionic type.

 

Same patents:

The invention relates to the chemistry and technology of additives to thermoplastics, reduce the Flammability of polymers, and can be used in the chemical industry

The invention relates to woodworking industry, in particular the production of Board materials, and can be used in the manufacture of combustible materials

The invention relates to building materials and can be used in the manufacture of heat-insulating material

The invention relates to the construction and application of fire protection coatings, mainly inside buildings residential, public and industrial purposes

Artificial leather // 2134737
The invention relates to a new multi-layer materials with a polymer coating, in particular to artificial leather, which can be used in the textile industry for the manufacture of material suitable for upholstery in the salons of the auto, air and hydraulic, as well as for technical and special purpose

The invention relates to a fire retardant intumescent coating for thermal insulation of wooden structures in case of fire

The invention relates to the field of macromolecular compounds, in particular to obtain polymeric materials with reduced Flammability

The invention relates to the field of chemistry, in particular to a material that can protect next to him substrate from exposure to open fire to flames or high temperature heat flow, and more particularly to a fire retardant intumescent material

The invention relates to a fire retardant intumescent coating for insulation of metal and wooden structures in case of fire

The invention relates to the chemistry of polymers, namely, to polymeric compositions for the preparation of coatings biocidal action

The invention relates to coatings industry and is used as antibacterial coatings for industrial, warehouse, public, medical, residential premises and buildings, agriculture and various sectors of the food industry
The invention relates to compositions for obtaining coatings with antibacterial properties, mainly for paint materials, film-forming agents, impregnation, dry mixes, which can be used in construction, medicine and various other areas of technology

The invention relates to coatings industry, namely the bactericidal compositions used for protective coatings of various materials in air and water environments from fouling

The invention relates to the protection of wood and can be used in the finishing and finishing a wood surface

The invention relates to the chemistry of polymers, namely, to polymeric compositions for the preparation of coatings biocidal action

The invention relates to construction materials and can be used in the manufacture of finishing works, namely in the manufacture of primers for surface treatment construction products before applying decorative and protective coatings

The invention relates to the technology of composite wood and cellulosic materials
Up!