CN104057511B - A wood modification treatment agent for wood floors containing nano-titanium dioxide - Google Patents

Abstract

The present invention relates to timber floor Wooden modifying process field, being specifically related to a kind of timber floor Wooden modifying inorganic agent containing nano titanium oxide, is this modifier obtained by the raw material of following weight portion: tarragon 2-3, derris root 1-2, Macrogol 200? 4-5, white wine 10-12, APEO 2-3, Di-phosphorus pentonide 3-5, KI 5-8, diammonium hydrogen phosphate 45-50,80% BAS 20-25, nano titanium oxide 0.1-0.2, water 350-400, auxiliary agent 6-8; Modifier raw material prepared by the present invention is easy to get, preparation method is simple, production cost is low, and chemical stability is good, can infiltrate through wood internal efficiently, modified hydroscopicity of wood is little, not easily contraction or expansion, compression strength improves, and has anticorrosion, mildew-resistant, the multiple efficacies such as fire-retardant concurrently, timber floor prepared by this timber is durable in use, and the market competitiveness is strong.

Description

A wood modification treatment agent for wood floors containing nano-titanium dioxide

technical field

The invention relates to the field of wood modification treatment for wood floors, in particular to a wood modification treatment agent for wood floors containing nano-titanium dioxide and a preparation method thereof.

Background technique

Wood flooring is a common home improvement material, mainly including solid wood flooring, laminate flooring, solid wood composite flooring, etc. Since wood, the core material of wood flooring, is a biomass material, it is flammable, perishable, easily deformed, and not durable Disadvantages such as humidity and heat severely limit its scope of use. It is necessary to carry out some pretreatment on wood to improve its resistance to the external environment and improve its environmental tolerance.

The existing wood modification methods mainly use some physical means to infiltrate the chemical modifier solution into the interior of the wood to improve the physical and chemical properties and finally improve its performance. However, some existing chemical modification methods after treatment In the subsequent use of wood, a large amount of volatile organic compounds may be emitted, which will cause harm to the surrounding environment. There are also disadvantages such as high cost of treatment agents, poor performance, and impact on decorative performance. It is urgent to develop a new type of wood. Environmentally friendly and efficient wood modifier, fundamentally improve the performance of wood flooring, and improve the shortcomings of traditional wood flooring.

Contents of the invention

The object of the present invention is to provide a kind of modifier for wooden floor wood, to improve the mechanical properties of wood, improve use value, in order to realize the above object, the technical scheme that the present invention adopts is as follows:

A wood modification treatment agent for wood floors containing nano-titanium dioxide, characterized in that the modification agent is made of the following raw materials in parts by weight: Artemisia argyi 2-3, deer vine root 1-2, polyethylene glycol 2004-5 , liquor 10-12, polyoxyethylene ether 2-3, isooctyl phosphate 3-5, potassium iodide 5-8, diammonium hydrogen phosphate 45-50, 80% boric acid solution 20-25, nano titanium dioxide 0.1-0.2, Water 350-400, additives 6-8;

The auxiliary agent is made of the following raw materials in parts by weight: 10-12 water-based polyurethane emulsion with a solid content of 50%, 1-3 sodium tripolyphosphate, 4-5 sodium humate, 2-3 silica sol, and secondary alcohol polyoxyethylene Ether 1-2, eugenol 0.1-0.2, water 30, the preparation method is: first mix sodium tripolyphosphate, sodium humate and water, stir until the mixture is completely dissolved, then add secondary alcohol polyoxyethylene ether, Eugenol, water-based polyurethane emulsion, stirring and dispersing for 20-30 minutes, then adding silica sol, stirring for 10 minutes, and ball milling the mixed solution for 1-2 hours to make a stable solution to obtain the additive.

Described a kind of wood modification treatment agent for wooden floor containing nano-titanium dioxide, its preparation method is:

(1) First mix the leaves of mugwort and deer vine root into the white wine, and place it in an airtight place for 4-5 days, then filter the mixed material, take the filtrate and stir it with water evenly for later use;

(2) After mixing and stirring the nano-titanium dioxide and isooctyl phosphate evenly, add the materials obtained in step (1) and other remaining materials, and stir at a speed of 1500-1800 rpm for 2-3 hours to obtain the product.

The wood modifier of the present invention has the advantages that all raw materials are environmentally friendly ingredients, will not cause harm to the environment and human body, and the raw materials are easy to obtain, and the production cost is low. The preparation method of the treatment agent is simple and efficient. And deer vine root, can extract the active ingredients, effectively penetrate into the wood, endow the treatment agent with aromatic smell and anti-mold and insect repellent effect, the treated mugwort leaves and deer vine root are non-toxic and harmless, and can be reused as resources; nano-titanium dioxide , Potassium iodide, diammonium hydrogen phosphate and other raw materials penetrate into the interior of the wood, which can improve the durability of the wood, have good dimensional stability, and are not easy to shrink and expand. It also has composite functions such as flame retardancy and sterilization. The wood color after the modifier treatment is natural. Bright, the texture is not affected, and the mechanical properties such as strength and toughness have been improved to a certain extent. The wood floor produced is flame-retardant, mildew-proof, durable, and has strong market competitiveness.

detailed description

Example

The modifying agent in this embodiment is made from the following raw materials in parts by weight (kg): Artemisia argyi 3, deer vine root 2, polyethylene glycol 2005, liquor 12, polyoxyethylene ether 3, isooctyl phosphate 5, potassium iodide 8 , diammonium hydrogen phosphate 50, 80% boric acid solution 25, nano-titanium dioxide 0.1, water 400, auxiliary agent 8; the auxiliary agent is made of the following raw materials in parts by weight: a solid content of 50% water-based polyurethane emulsion 12, sodium tripolyphosphate 3. Sodium humate 5, silica sol 2, secondary alcohol polyoxyethylene ether 2, eugenol 0.1, water 30, the preparation method is: first mix sodium tripolyphosphate, sodium humate and water, stir until the mixture is Dissolve completely, then add secondary alcohol polyoxyethylene ether, eugenol, and water-based polyurethane emulsion, stir and disperse for 30 minutes, then add silica sol, stir for 10 minutes, and ball mill the mixed solution for 2 hours to make a stable solution to obtain the additive.

The modification agent preparation method of the present embodiment is:

(1) First mix the leaves of mugwort and deer vine root into the white wine, and place it airtightly for 5 days, then filter the mixture, take the filtrate and stir it with water evenly for later use;

(2) After mixing and stirring the nano titanium dioxide and isooctyl phosphate evenly, add the material obtained in step (1) and other remaining materials, and stir at a speed of 1800 rpm for 3 hours to obtain the product.

In this example, Chinese fir veneer treated by impregnation with modifier is taken as an example. After drying fir veneer of the same specification at 50-60°C for 10 hours, they are divided into two groups, and the experimental group is soaked in the modifier at the same temperature. , soaked for 2 hours under the conditions of vacuum degree of -0.1MPa and pressure of 0.5MPa, took it out, washed the surface with water, dried it in the natural environment for 7 days, and finally baked it at 50-60°C to keep the moisture content at 5-6 %; the control group did not receive any treatment. The two sets of veneers enter the subsequent processing process to make laminate flooring.

Performance tests were performed on the modified fir veneer in the experimental group and the untreated control fir veneer. The results showed that the compressive strength of the fir in the experimental group was 21.4% higher than that in the control group. Trichoderma and black mold were inoculated on the wood surface. After that, the surface of the Chinese fir veneer in the experimental group was clean and free of hyphae, on the contrary, the surface of the Chinese fir veneer in the control group was severely moldy; the anti-extraction value of the Chinese fir veneer in the experimental group reached 89.4%, indicating that the wood treated with the modifier has good anti-loss resistance. , and the moisture absorption rate of fir in the experimental group did not change much, compared with the change rate of the control group ≤ 2.0%. The results of the combustion experiment showed that the heat release rate of the fir in the experimental group was 56.7% lower than that of the control group, and the total heat release rate was 57.1%. The Chinese fir treated with the modifier of the invention has flame-retardant performance and higher safety.

Claims (1)

1. the timber floor Wooden modifying inorganic agent containing nano titanium oxide, it is characterized in that, this inorganic agent is made up of the raw material of following weight portion: tarragon 2-3, derris root 1-2, Macrogol 200 4-5, white wine 10-12, APEO 2-3, Di-phosphorus pentonide 3-5, KI 5-8, diammonium hydrogen phosphate 45-50,80% BAS 20-25, nano titanium oxide 0.1-0.2, water 350-400, auxiliary agent 6-8;

Auxiliary agent is made up of the raw material of following weight portion: solid content is the aqueous polyurethane emulsion 10-12 of 50%, sodium phosphate trimer 1-3, sodium humate 4-5, Ludox 2-3, secondary alcohol APEO 1-2, Eugenol 0.1-0.2, water 30, its preparation method is: first by sodium phosphate trimer, sodium humate mixes with water, be stirred to mixed material to dissolve completely, add secondary alcohol APEO subsequently, Eugenol, aqueous polyurethane emulsion, dispersed with stirring 20-30min, add Ludox again, after stirring 10min, mixed solution ball milling 1-2h, make stabilizing solution, obtain auxiliary agent,

The preparation method of described a kind of timber floor Wooden modifying inorganic agent containing nano titanium oxide is:

(1) first tarragon, derris root mixing are added in white wine, airtight placements 4-5 days, subsequently by mixed material filtration, get filtrate and water stirs for subsequent use;

(2) by after nano titanium oxide and Di-phosphorus pentonide mixing and stirring, add step (1) gained material and other leftover materials, under the rotating speed of 1500-1800 rev/min, stir 2-3h, to obtain final product.