阅读说明：本技术 一种耐磨耐刮地板及其制备方法和生产线 (Wear-resistant and scratch-resistant floor and preparation method and production line thereof ) 是由 马小波 李志敏 赵培东 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种耐磨耐刮地板及其制备方法和生产线,包括自下而上依次设置的基材层、图案层、UV耐磨层、3D打印层和UV防刮面层,所述UV耐磨层、3D打印层或UV防刮面层中的一种或几种具有纹路。生产线包括图案打印机、耐磨UV涂布和干燥机组、3D打印机、面涂机和UV固化装置,还包括压紋机。本发明通过设置UV耐磨层提升产品的耐磨性能,并通过对耐磨层或3D打印层或面层进行施加纹路,可以获得良好的耐刮效果,面层的固化可以采用准分子灯亮雾面处理或电子束辐照处理或两者组合处理,准分子灯亮雾面处理能够改变产品表面亮雾度,电子束辐照处理能够进一步提升耐刮效果,还可以降低VOC,使漆膜具有耐磨性好,抗潮湿、附着力强,色牢度好等特点。(The invention discloses a wear-resistant and scratch-resistant floor and a preparation method and a production line thereof. The production line comprises a pattern printer, a wear-resistant UV coating and drying unit, a 3D printer, a surface coating machine, a UV curing device and a pressing machine. According to the invention, the wear-resisting property of the product is improved by arranging the UV wear-resisting layer, and the texture is applied to the wear-resisting layer or the 3D printing layer or the surface layer, so that a good scratch-resisting effect can be obtained, the surface layer can be cured by adopting the bright fog surface treatment of the excimer lamp or the electron beam irradiation treatment or the combination treatment of the bright fog surface treatment and the electron beam irradiation treatment, the bright fog surface treatment of the excimer lamp can change the bright fog degree of the surface of the product, the scratch-resisting effect can be further improved by the electron beam irradiation treatment, the VOC can be reduced, and the paint film has the characteristics of good wear resistance, moisture resistance, strong adhesive force, good color fastness and the like.)

1. The utility model provides a wear-resisting resistant floor of scraping, its characterized in that includes substrate layer, pattern layer, UV wearing layer, 3D that set gradually from bottom to top and prints layer and UV and prevent scraping the surface course, UV wearing layer, 3D print layer or UV prevent scraping one or several kinds in the surface course and have the line.

2. The abrasion and scratch resistant floor according to claim 1, wherein the UV scratch resistant surface layer is further subjected to an excimer lamp bright surface treatment and/or an electron beam irradiation treatment.

3. The method for preparing a wear and scratch resistant floor as claimed in claim 1, comprising the steps of:

s1: printing a pattern on the substrate to form a pattern layer;

s2: roll-coating UV paint on the pattern layer to form a UV wear-resistant layer;

s3: 3D printing is carried out when the UV wear-resistant layer is half-dried to form a 3D printing layer;

s4: coating UV finish paint on the 3D printing layer, and then carrying out UV curing;

wherein, the texture can be applied by selecting one or a combination of the following processing modes: (1) step S2, coating UV paint by using a roller with a pattern; (2) embossing the 3D printed layer in step S3; (3) in step S4, embossing is performed while the UV topcoat is semi-dry.

4. The method according to claim 3, wherein step S1 is preceded by the steps of: coating UV paint on the lower surface of the substrate to form a UV balance layer; preferably, the coating weight of the UV balance layer is 15-100g/m²。

5. The method according to claim 3, wherein in step S2, the method further comprisesThe UV paint of the UV wear-resistant layer contains aluminum oxide; preferably, the coating weight of the UV wear-resistant layer is 80-200g/m²。

6. The preparation method of claim 3, wherein in the step S4, the coating weight of the UV finishing coat is 5-40g/m²。

7. The method of claim 3, wherein the UV curing includes an excimer lamp brightening treatment and/or an electron beam irradiation treatment in step S4, and when the UV topcoat includes an embossing treatment, the excimer lamp brightening treatment and the electron beam irradiation treatment are performed after the embossing.

8. The method according to claim 7, wherein in step S4, the electron beam irradiation treatment is performed in a nitrogen atmosphere, and the nitrogen concentration is controlled to be 99% or more and the oxygen concentration is controlled to be 500ppm or less; preferably, the wavelength of the excimer lamp is 172nm, the bright fog surface treatment of the excimer lamp is carried out in a nitrogen atmosphere, and the concentration of oxygen is controlled to be less than or equal to 500 ppm.

9. A production line of wear-resistant and scratch-resistant floors, which is used for manufacturing the wear-resistant and scratch-resistant floors as claimed in claim 1, and comprises a pattern printer, a wear-resistant UV coating and drying unit, a 3D printer, a surface coating machine and a UV curing device which are sequentially arranged along a material conveying direction, and further comprises a thread embossing machine, wherein the thread embossing machine is arranged between the 3D printer and the surface coating machine or between the surface coating machine and the UV curing device.

10. The production line of claim 9, wherein the UV curing device comprises an excimer lamp treatment device and/or an electron beam irradiation device.

Technical Field

The invention belongs to the technical field of floors, and particularly relates to a wear-resistant scratch-resistant floor as well as a preparation method and a production line thereof.

Background

The existing PVC floor surface needs a composite color film, namely a wear-resistant layer, and mainly has good wear-resistant function but poor scratch-resistant effect, and the paint for improving the scratch-resistant performance of the product surface mainly comprises PU, PUR and UV but cannot achieve the best scratch-resistant effect. In addition, the antique imitation of the floor is achieved by adding the matting powder, but too much matting powder causes the surface to be unclear and the scratch resistance to be reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the invention provides a wear-resistant and scratch-resistant floor and a preparation method and a production line thereof.

According to one aspect of the invention, the wear-resistant and scratch-resistant floor comprises a base material layer, a pattern layer, a UV wear-resistant layer, a 3D printing layer and a UV scratch-resistant surface layer which are sequentially arranged from bottom to top, wherein one or more of the UV wear-resistant layer, the 3D printing layer or the UV scratch-resistant surface layer is/are provided with grains.

In some embodiments of the present invention, the UV scratch resistant surface layer is further subjected to an excimer lamp bright surface treatment and/or an electron beam irradiation treatment.

The invention also provides a preparation method of the wear-resistant and scratch-resistant floor, and 3, the preparation method comprises the following steps:

s1: printing a pattern on the substrate to form a pattern layer;

s2: roll-coating UV paint on the pattern layer to form a UV wear-resistant layer;

s3: 3D printing is carried out when the UV wear-resistant layer is half-dried to form a 3D printing layer;

s4: coating UV finish paint on the 3D printing layer, and then carrying out UV curing;

wherein, the texture can be applied by selecting one or a combination of the following processing modes: (1) step S2, coating UV paint by using a roller with a pattern; (2) embossing the 3D printed layer in step S3; (3) in step S4, embossing is performed while the UV topcoat is semi-dry.

In some embodiments of the present invention, before step S1, the method further includes: coating UV paint on the lower surface of the substrate to form a UV balance layer; preferably, the coating weight of the UV balance layer is 15-100g/m²。

In some embodiments of the present invention, in step S1, the substrate is composed of a polymer material and calcium carbonate, and the polymer material is one or more of PVC, PP, PET or PETG.

In some embodiments of the present invention, in step S1, the substrate is a colored substrate, specifically, a white paint is coated on the substrate or a white film or a colored film is attached on the substrate before the pattern is printed, so as to print the pattern later.

In some embodiments of the present invention, in step S2, aluminum oxide is contained in the UV paint of the UV abrasion-resistant layer; preferably, the coating weight of the UV wear-resistant layer is 80-200g/m²。

In some embodiments of the present invention, the UV topcoat is applied at a weight of 5-40g/m in step S4²。

In some embodiments of the present invention, in step S4, the UV curing includes an excimer lamp shine treatment and/or an electron beam irradiation treatment, and when the UV topcoat includes an embossing treatment, the excimer lamp shine treatment and the electron beam irradiation treatment are performed after the embossing.

In some embodiments of the present invention, in step S4, the electron beam irradiation treatment is performed in a nitrogen atmosphere, and the nitrogen concentration is controlled to be 99% or more and the oxygen concentration is controlled to be 500ppm or less; preferably, the wavelength of the excimer lamp is 172nm, the bright fog surface treatment of the excimer lamp is carried out in a nitrogen atmosphere, and the concentration of oxygen is controlled to be less than or equal to 500 ppm.

In some embodiments of the present invention, the energy of the electron beam irradiation treatment in step S4 is 50 to 150 Kev.

The invention also provides a production line of the wear-resistant and scratch-resistant floor, which is used for manufacturing the wear-resistant and scratch-resistant floor and comprises a pattern printer, a wear-resistant UV coating and drying unit, a 3D printer, a surface coating machine, a UV curing device and an embossing machine, wherein the pattern printer, the wear-resistant UV coating and drying unit, the 3D printer, the surface coating machine and the UV curing device are sequentially arranged along the material conveying direction, and the embossing machine is arranged between the 3D printer and the surface coating machine or between the surface coating machine and the UV curing device. The 3D printer is used as printing register line.

In some embodiments of the invention, the UV curing device comprises an excimer lamp treatment device and/or an electron beam irradiation device.

In some embodiments of the invention, the pattern printer is preceded by a back coater. For coating a UV balancing layer underneath the substrate.

In some embodiments of the invention, when processing a high-gloss product, a sanding unit is further disposed between the 3D printer and the surface coating machine, and the sanding unit includes a sanding primer coating machine, a drying machine, a sanding machine, and a dust remover, which are sequentially disposed along a material conveying direction. After 3D printing, the surface is sanded and polished, and the surface flatness is better. If the product with the lines is produced, a sanding machine set is not needed.

In some embodiments of the invention, the wear resistant UV coating and drying unit is alternately arranged by more than one roll coater and more than one dryer. After the abrasion-resistant UV coating and drying unit treatment, a UV abrasion-resistant layer with enough thickness can be formed. Furthermore, lines are engraved on a roller of a roller coating machine in the wear-resistant UV coating and drying unit. Different lines are respectively carved on the rollers of different roller coating machines, so that the overlapping of different lines can be formed, and the rollers can be silica gel rollers.

In some embodiments of the invention, a sander and a dust remover are also provided before the back coater.

In some embodiments of the invention, a white coating machine set is further arranged between the back coating machine and the pattern printer, and the white coating machine set is alternately arranged by two roll coating machines and two drying machines. A white background is applied to the substrate for subsequent printing of the pattern.

According to a preferred embodiment of the present invention, at least the following advantages are provided:

according to the wear-resistant and scratch-resistant floor, the wear-resistant performance of a product is improved by arranging the UV wear-resistant layer, lines are applied to the wear-resistant layer or the 3D printing layer or the surface layer, a good scratch-resistant effect can be obtained, the surface layer can be cured by adopting the excimer lamp bright fog surface treatment or the electron beam irradiation treatment or the combination treatment of the excimer lamp bright fog surface treatment and the electron beam irradiation treatment, the bright fog surface treatment of the excimer lamp can change the bright fog degree of the surface of the product, and the appearance effect is richer, the electron beam irradiation treatment can further improve the scratch-resistant effect, the electron beam irradiation treatment efficiency is higher, VOC (volatile organic compounds) can be reduced, and the wear-resistant and scratch-resistant floor is environment-friendly, so that a paint film has the characteristics of good wear resistance, humidity resistance, strong adhesive force, good color fastness and the like.

Drawings

The invention is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic view of the structure of a wear-resistant and scratch-resistant floor according to example 1 of the present invention;

FIG. 2 is a schematic view of the entire production line of the abrasion and scratch resistant floor of the present invention.

Reference numerals: the UV-resistant printing and printing integrated board comprises a UV balance layer 1, a base material layer 2, a pattern layer 3, a UV wear-resistant layer 4, a 3D printing layer 5 and a UV scratch-resistant surface layer 6;

the device comprises a sander 100, a dust remover 200, a back coating machine 300, a white bottom coating machine set 400, a pattern printer 500, a wear-resistant UV coating and drying machine set 600, a roller coating machine 610, a drying machine 620, a 3D printer 700, a sander set 800, a sanding primer coating machine 810, a top coating machine 900, a pressing machine 1000, an excimer lamp processing device 1100 and an electron beam irradiation device 1200.

Detailed Description

The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.

Example 1

A production line of a wear-resistant and scratch-resistant floor board is sequentially provided with a sander 100, a dust remover 200, a back coating machine 300, a white bottom coating machine set 400, a pattern printer 500, a wear-resistant UV coating and drying machine set 600, a 3D printer 700, a sander 800, a face coating machine 900, a pressing and threading machine 1000, an excimer lamp processing device 1100 and an electron beam irradiation device 1200 along a material conveying direction, referring to FIG. 2; the sanding machine set is sequentially provided with a sanding primer coater 810, a dryer 620, a sanding machine 100 and a dust remover 200 along the material conveying direction; the wear-resistant UV coating and drying unit 600 is alternately arranged by three roll coating machines 610 and three drying machines 620; the white bottom coating unit 400 is alternately arranged by two roll coating machines 610 and two drying machines 620.

The embodiment prepares the wear-resistant and scratch-resistant floor, and the specific process comprises the following steps:

s1: cleaning a substrate material by a sander and a dust remover, then coating UV paint on the bottom surface of the substrate by a back coating machine to form a UV balance layer, wherein the coating weight is 60g/m²Then the substrate enters a white paint coating machine set to coat white paint on the substrate;

s2: the base material coated with the white bottom enters a pattern printer to print a pattern to form a pattern layer;

s3: the base material with the printed pattern enters a wear-resistant UV coating and drying unit, a plurality of layers of UV paint are roll-coated on the pattern layer to form a UV wear-resistant layer, and the coating weight is 150g/m²Entering a 3D printer to form a 3D printing layer when the UV wear-resistant layer is half-dry;

s4: the plate enters a surface coating machine to be coated with UV finish paint, and the coating weight is 20g/m²Then embossing in an embossing machine, bright matte treatment in an excimer lamp treatment device, electron beam irradiation treatment in an electron beam irradiation device with energy of 120Kev and beam current of 80mA to form a UV anti-scratch surface layer, and product blanking. The 60 degree gloss of the product was 2.5 degrees.

Example 2

A production line of a wear-resistant and scratch-resistant floor is sequentially provided with a sanding machine, a dust remover, a back coating machine, a white bottom coating machine set, a pattern printer, a wear-resistant UV coating and drying machine set, a 3D printer, a pressing bar machine, a surface coating machine, an excimer lamp processing device and an electron beam irradiation device along the material conveying direction; wherein, the wear-resistant UV coating and drying unit is alternately distributed by three roll coating machines and three drying machines; the white bottom coating machine set is alternately distributed by two roller coating machines and two drying machines.

The embodiment prepares the wear-resistant and scratch-resistant floor, and the specific process comprises the following steps:

s1: cleaning a substrate material by a sander and a dust remover, then coating UV paint on the bottom surface of the substrate by a back coating machine to form a UV balance layer, wherein the coating weight is 30g/m²Then the substrate enters a white paint coating machine set to coat white paint on the substrate;

s2: the base material coated with the white bottom enters a pattern printer to print a pattern to form a pattern layer;

s3: the base material with the printed pattern enters a wear-resistant UV coating and drying unit, multiple layers of UV paint are roll-coated on the pattern layer to form a UV wear-resistant layer, and the coating weight is 80g/m²Entering a 3D printer to form a 3D printing layer when the UV wear-resistant layer is semi-dry, and entering a pressing machine to press threads after 3D printing is finished;

s4: the embossed plate enters a surface coating machine to be coated with UV finish paint, and the coating weight is 8g/m²Then the mixture enters an excimer lamp processing device for bright fog surface processing, finally enters an electron beam irradiation device for electron beam irradiation processing, the energy is 80Kev, the beam current is 40.5mA, a UV scratch-resistant surface layer is formed, and products are discharged. The 60 degree gloss of the product was 2.5 degrees.

Example 3

A production line of a wear-resistant and scratch-resistant floor is sequentially provided with a sanding machine, a dust remover, a back coating machine, a white bottom coating machine set, a pattern printer, a wear-resistant UV coating and drying machine set, a 3D printer, a pressing bar machine, a surface coating machine, an excimer lamp processing device and an electron beam irradiation device along the material conveying direction; the wear-resistant UV coating and drying unit is formed by alternately arranging three roll coating machines and three drying machines, lines are engraved on a roller of each roll coating machine in the wear-resistant UV coating and drying unit, the rollers of the three roll coating machines are respectively engraved with different lines, each roller is a silica gel roller, and the white bottom coating unit is formed by alternately arranging two roll coating machines and two drying machines.

The embodiment prepares the wear-resistant and scratch-resistant floor, and the specific process comprises the following steps:

s1: cleaning a substrate material by a sander and a dust remover, then coating UV paint on the bottom surface of the substrate by a back coating machine to form a UV balance layer, wherein the coating weight is 60g/m²Then the substrate enters a white paint coating machine set to coat white paint on the substrate;

s2: the base material coated with the white bottom enters a pattern printer to print a pattern to form a pattern layer;

s3: the base material printed with the pattern enters a wear-resistant UV coating and drying unit, the silicone roller is carved with grains, the silicone roller can bring UV paint to the surface of the plate after the plate passes through, and a UV wear-resistant layer with overlapped grains is formed by a plurality of silicone rollers with different grains, and the coating amount is up to 150g/m²Entering a 3D printer to form a 3D printing layer when the UV wear-resistant layer is semi-dry, and entering a pressing machine to press threads after 3D printing is finished;

s4: the embossed plate enters a surface coating machine to be coated with UV finish paint, and the coating weight is 8g/m²Then the mixture enters an excimer lamp processing device for bright fog surface processing, finally enters an electron beam irradiation device for electron beam irradiation processing, the energy is 80Kev, the beam current is 40.5mA, a UV scratch-resistant surface layer is formed, and products are discharged. The 60 degree gloss of the product was 2.5 degrees.

Test examples

This test example tested the wear and scratch resistance of the wear and scratch resistant flooring prepared in examples 1-3, and the results are shown in Table 1.

TABLE 1

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.