阅读说明：本技术 一种柔性耐磨层软木地板及其生产制备方法 (Soft wear-resistant layer cork floor and production and preparation method thereof ) 是由 刘宝宣 李永峰 董中峰 卢志华 于 2020-06-12 设计创作，主要内容包括：本发明涉及建筑装饰材料技术领域,尤其是一种柔性耐磨层软木地板及其生产制备方法,包括由面到底依次设置的耐磨面漆层、柔性耐磨层、纹理装饰层、乙烯增强层、静音软木层；所述耐磨面漆层紧密设置在所述柔性耐磨层的上方；所述柔性耐磨层紧密设置在所述纹理装饰层的上方；所述乙烯增强层通过水性胶水紧密设置在所述静音软木层的上方。本地板采用表面耐磨层、纹理装饰层、乙烯增强层、软木静音层相结合,能达到超高耐磨性,不破坏环境、防水防潮、轻质防火、环保耐用、不腐不裂、提升地面脚感、静音降噪、节约森林资源、提高地板使用寿命等特性；耐磨性能高,可高达几万转以上。(The invention relates to the technical field of building decoration materials, in particular to a soft wood floor with a flexible wear-resistant layer and a production and preparation method thereof, wherein the soft wood floor comprises a wear-resistant finish paint layer, a flexible wear-resistant layer, a texture decoration layer, an ethylene enhancement layer and a mute soft wood layer which are sequentially arranged from bottom to top; the wear-resistant finish paint layer is tightly arranged above the flexible wear-resistant layer; the flexible wear-resistant layer is tightly arranged above the texture decoration layer; the ethylene enhancement layer is tightly arranged above the mute cork layer through water-based glue. The floor adopts the combination of the surface wear-resistant layer, the texture decoration layer, the ethylene enhancement layer and the cork sound-deadening layer, and has the characteristics of ultrahigh wear resistance, no environmental damage, water resistance, moisture resistance, light weight, fire resistance, environmental protection, durability, no corrosion and cracking, ground foot feel improvement, silence, noise reduction, forest resource saving, floor service life improvement and the like; high wear resistance up to more than tens of thousands of turns.)

1. The soft wood floor with the flexible wear-resistant layer is characterized in that: comprises a wear-resistant finish paint layer, a flexible wear-resistant layer, a texture decoration layer, an ethylene enhancement layer and a mute cork layer which are sequentially arranged from bottom to top;

the wear-resistant finish paint layer is tightly arranged above the flexible wear-resistant layer;

the flexible wear-resistant layer is tightly arranged above the texture decoration layer;

the ethylene enhancement layer is tightly arranged above the mute cork layer through water-based glue.

2. A soft, wear-resistant layer cork flooring according to claim 1, characterized in that: the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer are of a structure which is formed by a high-temperature high-pressure process and is completely fused together, and the bottom layer of the structure and the mute cork layer form a completely glued structure by water-based glue under the high-temperature high-pressure process.

3. A soft, wear-resistant layer cork flooring according to claim 2, characterized in that: the wear-resistant finish paint layer is a UV/PU wear-resistant finish paint layer, and the flexible wear-resistant layer is a PVC flexible wear-resistant layer; the texture decorative layer is a PVC color film decorative layer, and the ethylene enhancement layer is a PVC base material enhancement layer.

4. A soft, wear-resistant layer cork flooring according to claim 3, characterized in that: the thickness of the UV/PU wear-resistant finish paint layer is 0.01-2 mm; the thickness of the PVC flexible wear-resistant layer is 0.01-2 mm; the thickness of the PVC color film decorative layer is 0.03-1 mm; the thickness of the PVC base material reinforcing layer is 1-5 mm; the thickness of the mute cork layer is 2-10 mm.

5. A method for producing a cork floor with a flexible wear layer, having a structure according to any one of the preceding claims, characterized in that: the method comprises the following steps:

step 1: completely fusing three materials of the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer together; the structure is realized by adopting a high-temperature and high-pressure process at the temperature of 135 ℃;

step 2: completely fusing the three materials of the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer obtained in the step 1, and then continuously and completely gluing the three materials with the cork mute layer at the lower layer through water-based glue to form a composite floor blank plate; the structure is realized by adopting a high-temperature and high-pressure process at the temperature of 120 ℃;

and 3, step 3: sanding and thickness-fixing the composite floor blank plate formed in the step; when sanding and thickness setting treatment are carried out, sanding belts of 80 meshes and 100 meshes are used for sanding the bottom surface of the floor in a thickness setting manner;

and 4, step 4: the process for coating the wear-resistant finish paint layer comprises the following steps:

and 5, step 5: and (3) specification cutting: cutting the floor according to the size required by a customer by using a high-precision electronic cutting saw;

and 6, step 6: and (3) inspecting and packaging:

and (4) packaging the floor cut according to the specification by using a paper box and performing heat sealing plastic packaging.

6. The production method of the soft wood floor with the flexible wear-resistant layer as claimed in claim 5, wherein the production method comprises the following steps: the flexible wear-resistant layer in the step 1 is a PVC film with the thickness of 0.07-1 mm; the texture decorative layer in the step 1 adopts a PVC color film with the thickness of 0.1-1 mm; and the ethylene enhancement layer in the step 1 adopts a PVC base material with the thickness of 1-3 mm.

7. The production method of the soft wood floor with the flexible wear-resistant layer as claimed in claim 5, wherein the production method comprises the following steps: the water-based glue in the step 2 is bonded by water-based glue (polyurethane or propylene copolymer), and the substrate layer is subjected to single-side gluing treatment; the coating amount must be controlled within 200g +/-20 g per square meter.

8. The production method of the soft wood floor with the flexible wear-resistant layer as claimed in claim 5, wherein the production method comprises the following steps: the mute cork layer in the step 2 adopts a high-density cork sheet with the density of 0.45-0.7 kg/cm 3.

9. The method for producing the soft wood floor with the flexible wear-resistant layer as claimed in claim 8, wherein the method comprises the following steps: the sanding thickness-fixing treatment step in the step of the step 3 specifically comprises the following steps:

firstly sanding the bottom surface of the formed composite floor blank plate with a sand belt of 80 meshes in a fixed thickness; then, abrasive belts of 100 meshes, 180 meshes and 240 meshes are respectively used for carrying out coarse sand with fixed thickness on the surface of the floor; then, the abrasive belts of 320 meshes and 600 meshes are respectively used for carrying out thickness-fixing and fine sanding.

10. The production method of the soft wood floor with the flexible wear-resistant layer as claimed in claim 5, wherein the production method comprises the following steps: the process for coating the wear-resistant finish paint layer in the step 3 comprises the following specific steps: coating by using UV wear-resistant paint in a roll coating or curtain coating manner, wherein the coating is performed for at least 3 times, and the coating amount is kept above 35g/m2 each time; the water-based finish paint is coated by adopting a roll coating or curtain coating mode, at least 2 times are coated, and the coating amount is kept to be more than 25g/m2 each time.

Technical Field

The invention relates to the technical field of building decoration materials, in particular to a cork floor structure which can be applied to public places with higher public safety requirements, such as airports, hospitals, kindergartens, theaters, libraries, schools and other public place environments and has ultrahigh wear resistance and a preparation process thereof, and particularly relates to a cork floor with a flexible wear-resistant layer and a production and preparation method thereof.

Background

Cork (English cork) is not wood in nature, but is the outer bark of Quercus variabilis Bl (a name commonly known as Quercus variabilis Quercus). The barks of the cork oak are picked and stripped regularly, so that not only can the barks be not dead, but also new barks can be grown, and the barks can be recycled like wool shearing. The cork has unique physical and chemical properties, consists of cork parenchyma cells, is a pure natural polymer material, contains 4000 ten thousand cells per cubic centimeter of cork under a microscope, and is filled with air; the composite material has a series of excellent physical characteristics of environmental protection, light weight, low density, compressibility, elasticity, impermeability, high buoyancy, high flexibility, compression resistance, impermeability, moisture resistance, corrosion resistance, sound insulation, high insulativity, friction resistance, non-flammability, no anaphylactic reaction and the like.

The chemical property of the cork is very stable, various entomogenous fungi cannot breed, and the cork has no chemical reaction with polar substances such as weak acid, weak base and the like. The floor material made of the cork is comfortable, environment-friendly and energy-saving, and meets the living requirements of human on nature protection, health, energy conservation and environment protection. Meanwhile, the biomass material is one of important biomass materials in China, if the biomass material is fully utilized, the resource structure in China can be optimized, the dependence on resources such as wood, mineral products, soil, petrifaction and the like is reduced, and the biomass material contributes to the guarantee of the national wood resource supply safety and energy safety.

However, the existing wood flooring is only widely used in homes, and due to the structural characteristics and structural design deficiencies, the existing wood flooring is not suitable for severe places with high safety requirements and high wear resistance, such as airports, hospitals, kindergartens, theaters, libraries, schools, educational places, and the like.

Disclosure of Invention

The invention aims to provide a soft wood floor with a flexible wear-resistant layer and a preparation method thereof, wherein the soft wood floor is formed by combining a surface wear-resistant layer, a texture decorative layer, an ethylene reinforcing layer and a soft wood silencing layer, has the characteristics of ultrahigh wear resistance, no environmental damage, water and moisture resistance, light weight, fire resistance, environmental protection, durability, no corrosion and crack, ground foot feeling improvement, silencing and noise reduction, forest resource saving, floor service life improvement and the like, can be widely applied to families, and can also be used in public places with higher public safety requirements, such as airports, hospitals, kindergartens, theaters, libraries, schools and the like.

In order to solve the related technical problems related to the background art and realize the process and the product described by the background art, the technical scheme adopted by the application is as follows: a soft wood floor with a flexible wear-resistant layer comprises a wear-resistant finish paint layer, a flexible wear-resistant layer, a texture decorative layer, an ethylene enhancement layer and a mute soft wood layer which are sequentially arranged from bottom to top;

the wear-resistant finish paint layer is tightly arranged above the flexible wear-resistant layer;

the flexible wear-resistant layer is tightly arranged above the texture decoration layer;

the ethylene enhancement layer is tightly arranged above the mute cork layer through water-based glue.

Preferably, the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer are completely fused together under a high-temperature and high-pressure process, and a completely glued structure is formed on the bottom layer of the structure and the mute cork layer under the high-temperature and high-pressure process through water-based glue.

Preferably, the wear-resistant finish paint layer is a UV/PU wear-resistant finish paint layer, and the flexible wear-resistant layer is a PVC flexible wear-resistant layer.

Preferably, the texture decorative layer is a PVC color film decorative layer, and the ethylene enhancement layer is a PVC base material enhancement layer.

The flexible wear-resistant layer is a transparent film type material which is processed by PVC (polyvinyl chloride) or polyurethane and the like through a high-tech process to form a thickness of 0.07-1mm, has strong flexibility and tear resistance, is an environment-friendly nontoxic renewable resource, and can be used as a wear-resistant layer of a floor.

The wear-resistant revolution of the PVC floor manufactured by the PVC floor can reach 300000, while the wear-resistant revolution of the reinforced wood floor which is more wear-resistant in the traditional floor material is only 13000, and the good reinforced floor is only 20000.

The function of the cork is combined with the performance of the PVC, so that the wear-resistant PVC composite material is wear-resistant, soft in texture, good in elasticity and good in elastic recovery under the impact of a heavy object; the floor has strong impact resistance, has strong elastic recovery to the impact damage of heavy objects, cannot cause damage, and can reduce the damage of the ground to human bodies to the maximum extent; the floor material has the advantages that the floor material cannot have a sound absorption effect compared with a common floor material, the sound absorption can reach 20 decibels, and a more comfortable and more humanized living environment can be provided for people in the places needing quiet, such as hospital wards, school libraries, report halls, movie theaters and the like.

The product can be used in home decoration, and can also be used in humid environments such as kitchens, toilets and severe public places such as education systems (including schools, training centers, kindergartens and the like), medical systems (including hospitals, laboratories, pharmaceutical factories, sanatoriums and the like), commercial systems (including markets, supermarkets, hotels, entertainment and leisure centers, catering industry, monopoly stores and the like), sports systems (stadiums, activity centers and the like), office systems (office buildings, conference rooms and the like), industrial systems (factory buildings, warehouses and the like), traffic systems (airports, railway stations, bus stations, yard heads and the like), can replace density boards or multilayer boards adopted by existing wood floors, does not consume wood, does not damage the environment, and is a resource-saving and environment-friendly product.

Preferably, the thickness of the UV/PU wear-resistant finish paint layer is 0.01-2 mm.

Preferably, the thickness of the PVC flexible wear-resistant layer is 0.01-2 mm.

Preferably, the thickness of the PVC color film decorative layer is 0.03-1 mm.

Preferably, the thickness of the PVC substrate reinforcing layer is 1-5 mm.

Preferably, the thickness of the mute cork layer is 2-10 mm.

Preferably, the PVC color film decorative layer comprises a cork texture, a ceramic tile imitation, a marble, solid wood, a carpet and a wallpaper texture structure.

The PVC color film decorative layer has the textures of cork textures, imitated ceramic tiles, marbles, solid wood, carpets, wallpaper and the like, can be used directly instead of the ceramic tiles, the marbles, the solid wood, the carpets, the wallpaper and the like, and can realize the decoration design style of customers to the maximum extent.

The mute cork layer has the characteristics of good internal stress balance, noise reduction, water resistance, skid resistance, shock absorption, foot feeling increase, difficult cracking and no environmental pollution.

A method for producing a soft, wear-resistant layer cork flooring having the structure according to any one of the preceding claims, comprising the steps of:

step 1: completely fusing three materials of the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer together; the structure is realized by adopting a high-temperature high-pressure process at the temperature of 135 ℃.

Step 2: completely fusing the three materials of the flexible wear-resistant layer, the texture decoration layer and the ethylene enhancement layer obtained in the step 1, and then continuously and completely gluing the three materials with the cork mute layer at the lower layer through water-based glue to form a composite floor blank plate; the structure is realized by adopting a high-temperature high-pressure process at the temperature of 120 ℃.

And 3, step 3: sanding and thickness-fixing the composite floor blank plate formed in the step; when sanding and thickness setting treatment, sanding the bottom surface of the floor with 80-mesh and 100-mesh abrasive belts in a thickness setting mode.

And 4, step 4: the process for coating the wear-resistant finish paint layer comprises the following steps:

and 5, step 5: and (3) specification cutting: and cutting the floor according to the size required by a customer by using a high-precision electronic cutting saw.

And 6, step 6: and (3) inspecting and packaging:

and (4) packaging the floor cut according to the specification by using a paper box and performing heat sealing plastic packaging.

Preferably, the flexible wear-resistant layer in the step 1 is a PVC film with the thickness of 0.07-1 mm.

Compared with the traditional impregnated paper wear-resistant layer, the impregnated paper wear-resistant layer has super-strong flexibility and wear resistance, and flexible wear-resistant layers with different thicknesses can be adopted according to different applicable places of the floor so as to meet the requirements of different wear-resistant grades.

Preferably, the texture decorative layer in the step 1 is a PVC color film with the thickness of 0.1-1 mm.

Compared with the traditional decorative paper, the decorative paper has super tear resistance, various colors and textures, is not limited by wood grains any more, can be stone grains, carpet grains, antique grains, mosaic grains or even personalized pictures or photos, and can meet the personalized customization requirement.

Preferably, the vinyl-reinforced layer in the step 1 adopts a PVC base material with the thickness of 1-3 mm.

Made of polyvinyl chloride and stone powder, and has high impact resistance and bearing capacity.

Preferably, the aqueous glue in the step 2 is bonded by aqueous glue (polyurethane or propylene copolymer), and the substrate layer is subjected to single-side gluing treatment; the coating amount must be controlled within 200g +/-20 g per square meter.

In order to increase the adhesive force and environmental protection property of different layers, the invention adopts environment-friendly and non-toxic water-based glue (polyurethane or propylene copolymer) for adhesion.

Carrying out single-side gluing treatment on the substrate layer, wherein the gluing amount must be controlled within 200g +/-20 g per square meter; more increases drying time and less decreases adhesion.

Preferably, the mute cork layer in the step 2 is a high density cork sheet with density of 0.45-0.7 kg/cm 3.

The density is required to be more than or equal to 0.45kg/cm3 according to the national industry standard, the compression resistance of the floor surface layer is improved, and the effect of balancing the structural stress is achieved.

Preferably, the sanding thickness-fixing treatment step in the step of the step 3 specifically includes:

firstly sanding the bottom surface of the formed composite floor blank plate with a sand belt of 80 meshes in a fixed thickness;

then, abrasive belts of 100 meshes, 180 meshes and 240 meshes are respectively used for carrying out coarse sand with fixed thickness on the surface of the floor;

then, the abrasive belts of 320 meshes and 600 meshes are respectively used for carrying out thickness-fixing and fine sanding.

Preferably, the step 3 includes the following steps: coating by using UV wear-resistant paint in a roll coating or curtain coating manner, wherein the coating is performed for at least 3 times, and the coating amount is kept above 35g/m2 each time, so that the effect of wear-resistant bottom is achieved;

the water-based finish paint is coated by adopting a roll coating or curtain coating mode, at least 2 times of coating are carried out, and the coating amount of each time is kept above 25g/m2, so that the effects of resisting abrasion on the surface and improving the glossiness are achieved.

Preferably, when the specification cutting is performed in the step 3, a high-precision forming device such as a high-precision electronic cutting saw is used, so that the right angle of the floor is less than or equal to 0.2mm, the maximum value omax of the splicing crack separation rate is less than or equal to 0.20mm, and the maximum value hmax of the splicing height difference is less than or equal to 0.2 mm.

Because of the heavy weight of the single floor, the number of the packing pieces in each box is preferably not more than 20, otherwise, the normal load of people can be exceeded, and personal injury can be caused in the process of carrying.

The invention has the beneficial effects that:

1. the floor adopts the combination of the surface wear-resistant layer, the texture decoration layer, the ethylene enhancement layer and the cork sound-deadening layer, and has the characteristics of ultrahigh wear resistance, no environmental damage, water resistance, moisture resistance, light weight, fire resistance, environmental protection, durability, no corrosion, no crack, ground foot feel improvement, silence, noise reduction, forest resource saving, floor service life improvement and the like.

2. The wear resistance is high and can reach more than tens of thousands of turns; the multifunctional intelligent household safety protection device can be widely applied to families, and can also be used in public places with high public safety requirements, such as airports, hospitals, kindergartens, theaters, libraries, schools and the like.

3. The cork floor has hyperelasticity, has good passive protection performance, can effectively reduce the protection of old people or children if the old people or children fall down or collide, and plays a role in buffering protection.

4. The local plate structure is comprehensively formed by adopting the processes of fusion, gluing and coating, the whole process is reasonable in design, and the product performance is stable.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present application.

In the figure, 1, a wear-resistant finish paint layer; 2. A flexible wear layer; 3. a texture decoration layer; 4. An ethylene reinforcement layer; 5. A mute cork layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. As shown in fig. 1: