CN208247064U - A kind of environmentally friendly high wear-resistant fireproof solid wood - Google Patents

Abstract

The utility model discloses an environmentally friendly, highly wear-resistant and fireproof solid wood, and the technical solution thereof mainly comprises: comprising solid wood veneer, the solid wood veneer is coated with a fireproof coating, and the thickness of the fireproof coating is about 50 to 100 microns; the utility model provides an environmentally friendly, highly wear-resistant and fireproof solid wood, with a wide range of processing technology, excellent fireproofing ability of the outer layer, high barrier ability, aging resistance, scratch resistance and wear resistance.

Description

A kind of environmentally friendly high wear-resistant fireproof solid wood

【Technical field】

The utility model belongs to the technical field of fireproof materials, and in particular relates to an environment-friendly and highly wear-resistant fireproof solid wood.

【Background technique】

At present, there are several types of flame-retardant panels on the market, with various varieties and different performances and qualities. The main types are flame-retardant wood-based panels and glass-magnesium panels. The problem of fire prevention has always been an important topic in the field of construction. In the "Code for Fire Protection of Building Design GB50016-2014", it is clearly stipulated that the fire resistance limit of building materials in various places. Burning down will bring losses to people's lives and properties, and the building materials that can resist fire and high temperature for a long time on the market either cost a lot, or fail to achieve a good decorative effect.

【Content of invention】

The purpose of this utility model is to overcome the deficiencies of the prior art, to provide an environmentally friendly and highly wear-resistant fireproof solid wood, which has a wide range of processing technology, excellent fire resistance of the outer layer, high barrier ability, aging resistance, and scratch resistance. Abrasion resistance.

The technical scheme of the utility model is as follows:

An environmentally friendly and highly wear-resistant fireproof solid wood, comprising a solid wood veneer, the solid wood veneer is coated with a fireproof coating, and the thickness of the fireproof coating is about 50 to 100 microns;

a. Pretreatment of raw material solid wood veneer, cleaning surface dust, rough edges and folds, leveling and pressing for 5-10 minutes, air-drying or drying at 40°C-60°C;

b. When it is naturally cooled to room temperature, apply the first primer of nano-scale fireproof coating 5-10g/c㎡, wait for the primer to naturally solidify to form a film structure, and then use 40℃-60℃ for drying treatment;

c. After natural cooling to room temperature, apply nano-scale fireproof coating 5~10g/c㎡ for the second time. After the coating is naturally cured to form a film structure, a fireproof coating will be formed. Store in constant temperature, constant humidity, shading, and sun protection. In the environment, after ensuring that the moisture content of the veneer is below 8%-13%, put it into the next process;

The fireproof coating used in this application for fireproof solid wood, the coating process is extremely convenient, fully utilizes the combination of carbon sources, phosphorus sources, etc., to ensure the fireproof performance of the coating, as well as high adhesion, and has good wear resistance at the same time, The prepared environmentally friendly and highly wear-resistant fireproof solid wood has good A-level fireproof performance, wide range of processing technology, excellent fireproof ability for outer barrier, high barrier ability, aging resistance and scratch resistance.

Preferably, a thermosetting fireproof adhesive layer is added on the coated solid wood veneer, the thickness of the thermosetting fireproof adhesive layer is 0.1-0.15 mm, and a fireproof cloth or fiber layer is attached to the outside of the thermosetting fireproof adhesive layer. The thickness of the fireproof cloth or fiber layer attached to the outside of the solid wood veneer is 0.5-1mm. The thermosetting fireproof adhesive is used to fix the fireproof cloth or fiber layer on the outside of the solid wood veneer, and cooperate with the fireproof coating on the solid wood veneer to further protect the solid wood veneer, which can withstand high temperature.

Preferably, the fireproof cloth or fiber layer has a thickness of 0.5-1 mm. Choose a fireproof cloth or fiber layer design with a small thickness, which can support the fireproof coating structurally, and keep the overall structure of the solid wood without deformation for a long time under high temperature.

Preferably, the fireproof cloth is ceramic glass fiber fireproof cloth. The fireproof cloth of this application is mainly made of ceramic glass fiber mixed material, the porosity of the pottery material in the mixed material is 65-75%, and the short glass fiber is a material whose length is less than 3mm.

Preferably, the fiber layer is twill, satin or plain carbon fiber cloth, and the weight of the selected material is 150-300g/㎡. 150-300g/㎡ fiber fabric has good structural strength and grain appearance, can support the solid wood structure well, and will not deform under high temperature for a long time.

Preferably, the thermosetting fireproof adhesive layer is a mixture of high penetration adhesive and high strength hardening adhesive. The thermosetting fire-resistant adhesive made by mixing high-permeability adhesive and high-strength hardening adhesive can maintain high temperature without softening and volatilization.

Compared with the prior art, the utility model has the following advantages:

The utility model is an environment-friendly, high wear-resistant and fire-resistant solid wood, which has good A-level fire-proof performance, wide range of processing technology, excellent fire-proof ability for outer barrier, high barrier ability, aging resistance and scratch resistance. Wear resistance; and the production process is simple and easy to control; without affecting the appearance quality of the outer surface, it can effectively solve the problems of fire prevention effect, oxidation, abrasion resistance and scratching of the outer surface, and can be applied to furniture, floor materials, veneer materials Surface treatment of MDF, GRG and materials requiring surface fire protection and abrasion resistance. The method adapts to the existing production process and can be produced in batches.

【Description of drawings】

Fig. 1 is the utility model embodiment 1 and 2 structural representations;

Fig. 2 is the utility model embodiment 3 and 4 structural representations;

Fig. 3 is a schematic structural view of Embodiments 5 and 6 of the utility model.

【Detailed ways】

Below in conjunction with specific embodiment the utility model is further described:

An environmentally friendly and highly wear-resistant fireproof solid wood, comprising a solid wood veneer 1, the solid wood veneer 1 is coated with a fireproof coating 2, and the thickness of the fireproof coating 2 is about 50 to 100 microns; on the coated solid wood veneer A thermosetting fireproof adhesive layer 3 is added, the thickness of the thermosetting fireproof adhesive layer 3 is 0.1-0.15 mm, and the outer side of the thermosetting fireproof adhesive layer 3 is attached with a fireproof cloth 4 or a fiber layer 5; the fireproof cloth 4 or fiber layer 5 The thickness of the fireproof cloth 4 is ceramic glass fiber fireproof cloth; the fiber layer 5 is twill, satin or plain carbon fiber cloth, and the weight of the selected material is 150-300g/㎡; the thermosetting fireproof The adhesive layer 3 is a mixture of high penetration adhesive and high strength hardened adhesive.

A method for preparing environmentally friendly and highly wear-resistant fireproof solid wood, comprising the following steps:

Embodiment 1～2:

d. Pretreatment of raw material solid wood veneer 1, cleaning surface dust, rough edges and folds, leveling and pressing for 5 to 10 minutes, air drying or drying at 40°C to 60°C;

e. When it is naturally cooled to normal temperature, apply the first primer of nano-scale fireproof coating 5-10g/c㎡, wait for the primer to naturally solidify to form a film structure, and then use 40℃～60℃ for drying treatment;

f. When naturally cooling to room temperature, apply nano-scale fireproof coating 5-10g/c㎡ for the second time. After the coating is naturally cured to form a film structure, a fireproof coating 2 is formed. Store in a constant temperature, constant humidity, shading, away from In a sunny environment, after ensuring that the moisture content of the veneer is below 8% to 13%, it is put into the next process.

Embodiment 3～4:

a. Raw material solid wood veneer 1 pretreatment, cleaning surface dust, rough edges and folds, leveling and pressing for 5 to 10 minutes, air drying or drying at 40°C to 60°C;

b. When it is naturally cooled to room temperature, apply the first primer of nano-scale fireproof coating 5-10g/c㎡, wait for the primer to naturally solidify to form a film structure, and then use 40℃-60℃ for drying treatment;

c. When it is naturally cooled to room temperature, apply the nano-scale fireproof coating 5-10g/c㎡ for the second time. After the coating is naturally cured to form a film structure, a fireproof coating 2 is formed. Store in a constant temperature, constant humidity, shading, away from In a sunny environment, ensure that the moisture content of the veneer is below 8% to 13%, and then put it into the next process;

d. Add a thermosetting fireproof adhesive 3 with a gram weight of 5-10g/c㎡ on the painted solid wood veneer, and then stick a fireproof cloth 4 on the outside.

Embodiment 5～6:

a. Raw material solid wood veneer 1 pretreatment, cleaning surface dust, rough edges and folds, leveling and pressing for 5 to 10 minutes, air drying or drying at 40°C to 60°C;

b. When it is naturally cooled to room temperature, apply the first primer of nano-scale fireproof coating 5-10g/c㎡, wait for the primer to naturally solidify to form a film structure, and then use 40℃-60℃ for drying treatment;

c. When it is naturally cooled to room temperature, apply the nano-scale fireproof coating 5-10g/c㎡ for the second time. After the coating is naturally cured to form a film structure, a fireproof coating 2 is formed. Store in a constant temperature, constant humidity, shading, away from In a sunny environment, ensure that the moisture content of the veneer is below 8% to 13%, and then put it into the next process;

d. Add a thermosetting fireproof adhesive 3 with a gram weight of 5-10 g/c㎡ on the painted solid wood veneer, and then attach a fiber layer 5 on the outside.

Table 1: Thickness of each component of Examples 1 to 6

In the preparation method of the environmental protection high wear-resistant fireproof solid wood of the present utility model, the used nanoscale fireproof coating is obtained by the following preparation method:

(1) Prepare component A solution, the specific method is as follows:

(a), now dissolve the aluminate coupling agent powder in an appropriate amount of methanol, and then add KH560 silane coupling agent to prepare the aluminate silane coupling agent solution;

(b) Add an appropriate amount of methanol solvent to dilute and stir the crosslinking agent methyltrimethoxysilane and dimethyldimethoxysilane chain extender to prepare the catalyst, disperse and leveling agent for component B the reaction solution;

(c) Mix the above two solutions (a) and (b) in a closed high-speed stirring container with a constant temperature of 16-20°C. After mixing and stirring at a high speed for 20-30 minutes, observe the solubility of the solution until it is transparent and free of turbidity. Stored, the A-component solution used for the catalytic reaction was obtained;

(2), prepare B component, the specific method is as follows:

(d) First, heat the pure distilled water to 60-70°C, add the antioxidant BHT264 into the hot water and stir for 5-10 minutes, wait until the antioxidant is completely dissolved and cool to room temperature for use;

(e) Take a small amount of polycaprolactone diol, polytetrahydrofuran diol, and butanediol according to the mass fraction requirements of the formula components and add them to a container with a constant temperature of 16-20°C in sequence, and slowly add the industrial solvent ethyl acetate to dilute and stir for 15 ~25min, then add IPDI, PEG, dispersing diluent propylene glycol monomethyl ether, and slowly add industrial alcohol ethanol to dilute the ratio, then stir and blend for 20~30min, then add corrosion inhibitor PBTCA and curing catalyst 1,4-di Methylpiperazine and blending and stirring for 10-15min, add the fully dissolved antioxidant solution and leveling defoamer polyether modified silicone oil;

(f) Inject the solution of step (e) into a closed container with nitrogen to remove excess air in the container, and stir at a high speed in a closed container for 20-30 minutes to obtain component B, cool to room temperature, and set aside;

(3), preparation of nano fireproof coating:

(g) Blend the normal-temperature solution of the two components A and B and stir at high speed for 1-2 hours. After the stirring is completed, wait for the bubbles in the coating to dissipate naturally and completely, which is the nano fireproof coating of the present invention.

Table 2: Composition of component A in Examples 1 to 6

Table 3: Composition of component B in Examples 1 to 6

Table 4: The nano-fireproof and heat-insulating paint coatings obtained in Examples 1-6 are compared with the existing coatings in the market in Comparative Examples 1-2 (standard reference: GB12441-2005 specification for decorative fireproof coatings)

The utility model prepares an environmentally friendly high wear-resistant and fire-resistant solid wood. The preparation method is environmentally friendly. The high-wear-resistant fire-resistant solid wood veneer is provided with a fire-resistant coating on the solid wood veneer, and the fire-resistant coating is formed by blending two components A and B. : The A component is the relevant crosslinking agent, coupling agent, chain extender or dilution solvent used in the B component; the A component crosslinking agent, coupling agent, and chain extender are based on three raw materials 80-95%, 1-5%, and 3-5% of the mass ratio are put into the preparation through uniform mixing and stirring, and dissolved in methanol, and stored in a closed container with a constant temperature of 16°C; the B component is a polymerization reaction type polymer Ester polyurethane aqueous solution, the raw materials are widely purchased, all are common chemicals, and the cost is low; the preparation process is simple, the operation method is convenient, the reaction conditions are loose, the process of making the coating is extremely convenient, and the carbon source, phosphorus source and other combinations are fully utilized. , to ensure the fireproof performance of the coating, as well as high adhesion, the prepared environmentally friendly high wear-resistant fireproof solid wood has good A-level fireproof performance, wide range of processing technology, excellent fireproof ability for outer barrier, and high Barrier ability, aging resistance and scratch resistance; and the production process is simple and easy to control; it does not affect the appearance quality of the outer surface, and can effectively solve the problems of fire resistance, oxidation, and scratch resistance of the outer surface, which can be applied For the surface treatment of furniture, floor materials, veneer materials MDF, GRG and materials requiring surface fire prevention and abrasion resistance, this method adapts to the existing production process and can be mass-produced.

Claims (5)

1. a kind of environmental protection high abrasion-resistant fireproof solid wood, it is characterised in that: including solid wood veneer, fire prevention is coated on the solid wood veneer Coating, the fire resisting covering are about 50~100 microns, add thermosetting property refractory adhesive on applying the solid wood veneer installed Layer, the thermosetting property refractory adhesive layer with a thickness of 0.1~0.15mm, be pasted on the outside of the thermosetting property refractory adhesive layer Flameproof fabric or fibrous layer.

2. a kind of environmentally friendly high abrasion-resistant fireproof solid wood according to claim 1, it is characterised in that: the flameproof fabric or fibrous layer With a thickness of 0.5~1mm.

3. a kind of environmentally friendly high abrasion-resistant fireproof solid wood according to claim 1, it is characterised in that: the flameproof fabric is ceramic glass Fine flameproof fabric.

4. a kind of environmentally friendly high abrasion-resistant fireproof solid wood according to claim 1, it is characterised in that: the fibrous layer be twill, Satin weave or plain weave carbon fiber cloth, and select material grammes per square metre for 150-300g/ ㎡.

5. a kind of environmentally friendly high abrasion-resistant fireproof solid wood according to claim 1, it is characterised in that: the thermosetting property fire prevention gluing Oxidant layer is the mixture of Thief zone adhesive and high-strength stiffened adhesive.