CN111055616A

CN111055616A - Anti-crack texture sandwich with printed patterns and manufacturing method thereof

Info

Publication number: CN111055616A
Application number: CN201811208328.7A
Authority: CN
Inventors: 马志勇
Original assignee: Suzhou Hongni New Material Technology Co ltd
Current assignee: Suzhou Hongni New Material Technology Co ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2020-04-24

Abstract

The invention provides an anti-crack texture sandwich with printed patterns and a manufacturing method thereof, and is preferably used for manufacturing an impregnated and coated composite anti-crack texture sandwich coating by splicing the surface of an object. The anti-crack texture sandwich is a fibrous texture network sandwich, the interior of the anti-crack texture sandwich contains a three-dimensional interpenetrating network structure formed by fibers, the exterior of the anti-crack texture sandwich is provided with at least one printing pattern formed by printing process treatment, and the printing pattern can be integrally contained in one anti-crack texture sandwich or can be separately arranged on a plurality of adjacent anti-crack texture sandwiches. Because the internal fibers of the fiber texture network sandwich form a three-dimensional interpenetrating network structure, when the fiber texture network sandwich with the printed patterns is smoothly spliced into an impregnated coating composite anti-crack texture sandwich coating, no macroscopic cracks exist, and the patterns can also be smoothly spliced. Therefore, the technical scheme disclosed by the invention can be used for manufacturing patterns with a large area in a standardized and large-scale manner and has good crack resistance.

Description

Anti-crack texture sandwich with printed patterns and manufacturing method thereof

Technical Field

The invention relates to a material and a method for manufacturing the surface of an ornament body, in particular to a method for manufacturing an anti-crack texture sandwich with printing patterns and used for manufacturing the surface decoration of objects such as buildings and the like, which is impregnated with a composite anti-crack texture sandwich coating.

Background

The wall surface coating is used for decorating and protecting the building wall surface, so that the building wall surface is attractive and tidy, and meanwhile, the wall surface coating can also play a role in protecting the building wall surface and prolonging the service life of the building wall surface. In the specific technical field, the development of various binder film-forming technologies makes great progress on the performance of the coating, and the development of emulsion preparation technology is particularly important. The existing coating materials form a component system with binders, fillers, pigments, additives and solvents (such as water). In order to embody the environmental protection performance of the coating, inorganic binders (such as silicates) and various aqueous emulsions are commonly used as film-forming materials for the coating. In order to reduce the content of harmful substances such as VOC, benzene, formaldehyde and the like, water is generally used as a solvent.

Throughout the development process of the architectural coating technology, the development of the coating technology goes through the process from simple color decoration and functional protection to balanced development of color and functional protection, and the wall coating is developed towards the trend of rich and colorful, fashionable, healthy, environment-friendly and functional besides the decoration and protection functions of the wall coating.

The texture coating is mainly characterized in that different shapes and patterns are formed on a wall by using special tools, so that the space is more three-dimensional, real, attractive and elegant. The texture paint shows a unique space visual angle by the infinitely variable three-dimensional texture and the multi-choice individual collocation, and meets the overall decoration style by individual creation, so that the texture paint shows the own unique style in decoration, and the texture paint can also be called as artistic paint. However, the texture formed on the surface of the wall body by the texture coating is manual texture, so that a standardized and large-scale texture effect cannot be formed, and the requirement of uniform and uniform texture cannot be met when the texture coating is used in a large area.

In order to show the coating texture of the coating, the particle size of the filler in the coating component needs to be enlarged, generally the particle size range of sand, and various manual-plastering coating textures and spraying textures are formed by adopting the methods of manual plastering and spray gun spraying. In order to improve the crack resistance of the coating, a high-elasticity binder is generally used as a film-forming material to improve the ductility of the coating, or suitable short fibers are added to the components such as the binder, the filler, the pigment, the additive and the solvent (such as water) to improve the crack resistance of the coating, so as to meet the crack resistance requirement of the coating. Similar to the texture coatings described above, this texture also does not provide a standardized, scaled texture effect.

In the other technology aspect of making textures on the surface of a wall body, one is to make textures in a coating on the surface of a building by adopting a special tool. For example, chinese patents CN205577286U and CN205444747U both adopt a scraper and a spatula to scrape and coat the surface of the coating to form texture, the texture coating has high requirements on operators, the texture of the surface of the same building is easily different, and the crack resistance is poor. The other way is to form texture in a way of sticking wallpaper, wall cloth or a wallpaper imitation decorative layer, the rough surface of the wallpaper, wall cloth or decorative layer is used as the texture, and then coating is coated on the surface, the wallpaper in the texture coating is easy to peel off, and when the adjacent wallpapers are butted, gaps are very obvious, so that the texture can not be smoothly transited. For example, in chinese patent CN103758307A, the base material components are first pressed and molded in a mold with a wallpaper texture to produce a decorative surface with texture, and then an ultraviolet-resistant coating is sprayed on the texture surface, and when in use, the produced wallpaper texture-imitating layer is adhered to a wall.

The coating with both crack resistance and texture has become a popular research direction in the coating field except for environmental protection performance, but the related technology is not yet lacked

Disclosure of Invention

In the previous patent application, the applicant proposes an impregnation coating composite anti-crack texture sandwich coating, a coating and a manufacturing method, but the pattern is lacked, and the decorative property needs to be improved. Aiming at the problems:

the first aspect of the invention provides a method for manufacturing a printed anti-crack texture sandwich, wherein the printed anti-crack texture sandwich is preferably used for manufacturing an impregnated coating composite anti-crack texture sandwich coating with a printed pattern on the surface of an object. The object is preferably a building or a part of a building (such as an inner wall, an outer wall, a column, a roof, a ground), or building decoration material such as decorative boards, tiles and the like, or a sculpture, a billboard, furniture and the like, and is more preferably a building wall, especially an inner wall.

The manufacturing method of the anti-crack texture sandwich with the printed patterns comprises the following steps:

step 1: providing a fiber texture network sandwich, wherein the fiber texture network sandwich contains a three-dimensional interpenetrating network structure formed by fibers;

step 2: and printing the fiber texture network sandwich, and forming a printing pattern on the surface of the fiber texture network sandwich.

Preferably, the printing treatment is selected from: one or more of offset printing, silk-screen printing, gravure printing, letterpress printing, ink-jet printing, transfer printing, thermoprinting, porous printing, offset printing, flexography, digital printing, flocking and thermal transfer printing.

Wherein, the gravure refers to: and (3) transferring the printing ink to the surface of the fibrous texture network sandwich by adopting an intaglio plate.

Wherein, the embossing means: and transferring the ink to the surface of the fiber texture network sandwich by adopting a relief printing plate.

In a preferred embodiment, the ink used in the printing process may be one or more of lithographic ink, gravure ink, stencil ink, magnetic ink, fluorescent ink, and UV light curable ink.

Wherein, before the step 1, the method further comprises the steps of: the fibers in the fibromuscular network core are colored, or the fibers in the fibromuscular network core in step 1 are themselves colored fibers, e.g., colored prior to forming the three-dimensional interpenetrating network structure.

Preferably, after the step 2, the method further comprises the step 3: and carrying out embossing process treatment on the fiber texture network sandwich with the printed pattern to form an embossing pattern.

The embossing can increase the three-dimensional effect of the fibrous texture network sandwich.

Preferably, the printed pattern overlaps, partially overlaps or does not overlap with the embossed pattern.

More preferably, the embossing process is one or more selected from rolling and molding.

More preferably, the step 3 comprises: heating to a temperature between the glass transition temperature and the melting point temperature corresponding to the fibrous texture network sandwich by using a pair of embossing rollers or embossing plates, and applying pressure to the fibrous texture network sandwich to generate convex-concave embossing patterns; wherein at least one of the embossing rollers or plates is engraved with an embossing pattern.

Preferably, the embossed pattern may be raised and/or lowered in the fibromuscular network core.

Or preferably, after the step 3 forms the embossing pattern, the method further comprises the step 4: and (3) film pasting treatment, which comprises covering at least the printing pattern and/or the embossing pattern with a layer of transparent or semitransparent film.

Preferably, the fiber texture network sandwich is subjected to or has been subjected to single-sided or double-sided surface finishing before printing treatment, after printing treatment, before embossing treatment or after embossing treatment, and the surface finishing preferably comprises, but is not limited to, any one or more of the following a) to f):

a) flattening the surface, but leaving surface openings in communication with the internal mesh;

b) the surface is coated with a material that alters the properties of the fibers, preferably with a material that has a different water absorption, more preferably the properties (e.g., water absorption) are graded from one end of the surface finish portion to the other end, more preferably the properties (e.g., water absorption) are graded from one end of the fibrous texture network core to the other end;

c) dyeing, namely enabling the surface of the fiber texture network sandwich to have colors, wherein the colors are preferably single colors and multiple colors, and the multiple colors are preferably gradient colors;

d) sticking the film, but keeping the surface opening communicated with the internal mesh;

e) die cutting to make the fibrous texture network sandwich have a through pattern;

f) and the processes of dipping and the like are modified to improve the rigidity of the fiber and improve the deformation resistance.

Preferably, the three-dimensional interpenetrating network structure comprises fibers and interstices between the fibers forming a mesh of intersecting planes.

More preferably, the arrangement of the fibers is three-dimensional and comprises at least horizontal, vertical and inclined fibers.

Still preferably, at least two or three of the horizontal portion, the vertical portion and the inclined portion of each of the at least some fibers exist at the same time; wherein, any one or more of the horizontal part, the vertical part and the inclined part of the fiber are mutually crossed, and/or any one or more of the horizontal part, the vertical part and the inclined part of the fiber are mutually crossed with any one or more of the horizontal part, the vertical part and the inclined part of the fiber.

Preferably, the meshes at least comprise meshes in horizontal, vertical and inclined directions, wherein one or more of the meshes in the horizontal, vertical and inclined directions are mutually communicated with one or more of the meshes in the other horizontal, vertical and inclined directions.

The term "inclined" as used in the above description of the present invention means that the included angle is not 0 degrees with respect to both the horizontal and vertical directions. The "horizontal" is in the horizontal plane and the "vertical" is in the vertical plane. That is, the "horizontal", "vertical" and "inclined" do not belong to the same plane.

The "horizontal parts" in the above-mentioned contents of the present invention may be in the same horizontal plane, or in different horizontal planes; the vertical parts can be in the same vertical plane or different vertical planes; the "inclined direction portions" may be in the same inclined plane, or in different inclined planes.

In a more preferred embodiment of the present invention, the fibers are arranged in multiple layers, the fibers in the same layer define a first mesh, the fibers in each layer at least partially intersect with each other to define a second mesh, and at least a portion of the first mesh and the second mesh are communicated with each other to form a three-dimensional interpenetrating network structure.

In a more preferred embodiment of the present invention, each layer of fibers may be a two-dimensional network structure formed by interweaving warp and weft threads, and/or a two-dimensional network structure formed by arranging fibers in a curved manner.

More preferably, at least some of the fibers are interspersed between at least two of the fibrous layers.

More preferably, the fibers of each layer are arranged in a staggered manner to form meshes in different directions. For example, the fiber intersections of each layer or at least some of the layers are located at the meshes of the other layers, and/or the fibers of each layer or at least some of the layers have a different fiber direction than the other layers.

In the above aspect of the present invention, the connection points between the fibers of the fibrous texture network sandwich may be one or more of connection methods such as welding, chemical bonding, and the like, and are preferably welded.

In the above aspect of the present invention, the number of the fiber connection points of the fiber texture network sandwich is preferably 1% to 100%.

In the above aspect of the present invention, the number of the connection points refers to the percentage of the number of the connection points of the fibers to the number of the fiber intersections.

In the above content of the present invention, the fibrous texture network sandwich may be made of materials such as metal, plastic, rubber, fiber, and the like, and is preferably made of fiber materials, and the fiber may be any one or more of inorganic fiber and organic fiber, and may be any one or more of synthetic fiber, natural fiber (including natural fiber modification), regenerated fiber obtained after natural fiber processing, metal fiber, and alloy fiber.

In a more preferred embodiment, the fibers may be selected from: polyamide (nylon 6, nylon 66, etc.), polyimide (such as P84 fiber), polypropylene, polytetrafluoroethylene, polyester (such as PET, PBT, etc.), aramid (such as aramid 1414, aramid 1313, etc., specifically Kevlar, Nomex, Twaron, Technora, Taparan, etc., of dupont), polyphenylene sulfide, etc. But may be glass fiber or the like.

The fiber can also improve rigidity and anti-deformation capability through modification processes such as gum dipping and the like.

The fiber section shape of the fiber texture network sandwich can be one or more regular and/or irregular shapes, such as at least one or more of the shapes of circle, ellipse, semicircle, polygon (such as triangle, quadrangle, pentagon and hexagon), pentagram, cashew nut, ripple, dumbbell and the like, and preferably one or more of the shapes of circle and ellipse.

In the above-mentioned aspect of the present invention, the fibrous texture network sandwich is preferably obtained by one or more methods of weaving (including non-woven materials and non-woven fabric technology), casting, die pressing, 3D printing, and the like. Particularly preferably by non-woven fabric technology, and/or non-woven textile material technology, such as electrospinning technology and the like. In a more preferred embodiment, the method for manufacturing the fiber texture network sandwich comprises the following steps: and performing melt spinning, namely, spinning and laminating fiber yarns, and then, performing hot pressing to respectively connect fibers in layers and between layers.

In the above aspect of the present invention, the diameter of the fiber is preferably 50nm to 5000. mu.m, preferably 500nm to 1000. mu.m, more preferably 1 μm to 100. mu.m, more preferably 1 μm to 50 μm, more preferably 5 μm to 40 μm.

In the above aspect of the invention, the thickness of the fibrous texture network sandwich is 0.01mm to 10mm, more preferably 0.05mm to 5mm, more preferably 0.1mm to 1mm, more preferably 0.1mm to 0.5mm, more preferably 0.2 mm to 0.4mm, such as 0.25mm, 0.28mm, 0.3mm, 0.33mm, 0.35mm, 0.37 mm.

In the above aspect of the present invention, the mesh shape of the fibrous texture network core is not particularly required, and may be set according to the texture requirement. Wherein, the meshes can be uniformly distributed, or the distribution density of the meshes in different areas is different.

In the above aspect of the present invention, the aperture of the mesh is preferably 50nm to 10mm, more preferably 100nm to 5mm, more preferably 500nm to 3mm, more preferably 5 μm to 2mm, more preferably 50 μm to 1mm, more preferably 0.1mm to 1 mm.

In the above aspect of the invention, the density of the fiber texture network sandwich is preferably 1-300g/m²More preferably 3 to 250g/m²More preferably 5 to 200g/m²More preferably 10 to 150g/m²More preferably 20 to 100g/m²More preferably 20 to 50g/m²。

The invention also provides the anti-crack texture sandwich with the printed patterns, which is obtained by the manufacturing method.

The anti-crack texture sandwich with the printed patterns and the manufacturing method thereof have the following beneficial effects:

1) the anti-crack texture sandwich with the printed patterns can be coated by a coating and adhered to the surface of an object through an infiltration coating method, and has enough adhesive force with the surface of the object, so that the finished surface of the whole coating is firm and reliable.

2) The coating can infiltrate, penetrate and fill into the meshes of the three-dimensional interpenetrating network structure of the fiber texture network sandwich, so that the fibers of the fiber texture network sandwich and the impregnating coating have occlusion and bonding functions, meanwhile, the meshes of the three-dimensional interpenetrating network structure are three-dimensionally distributed and are mutually communicated, and the coating infiltrates, penetrates and fills in the meshes in a three-dimensional form, so that the coating can be more tightly combined with the fiber texture network sandwich, and the fiber texture sandwich has obviously higher stripping resistance compared with textures made of wallpaper.

3) The fiber texture network sandwich has the advantage of controllable texture, can be produced in a standardized and large-scale manner, and ensures the consistency of the texture; meanwhile, the texture modeling can be diversified, so that the texture modeling of the coating is rich and diverse.

4) Compared with the texture coating made of wallpaper and wall cloth in a layered mode, the coating made of the crack-resistant texture sandwich has obviously better anti-stripping capability, and compared with the coating made of glass fiber cloth in the prior art, the coating made of the crack-resistant texture sandwich has obviously lower weight and has no loss of crack-resistant capability.

5) The coating made on the surface of the object by using the anti-crack texture sandwich can form texture on the surface of the object, and no obvious gap is formed at the butt joint part, so that the texture continuity is good.

6) The printed patterns or the printed pattern pressing patterns can increase the decoration of the coating, obtain the decoration effect which is not inferior to that of wallpaper, and can manufacture patterns with larger area in a standardized and large-scale manner.

Drawings

FIG. 1A is a schematic structural diagram of an anti-crack texture sandwich coating prepared on the surface of a wall body according to the present invention, and FIG. 1B is a schematic texture diagram of the surface of the wall body in FIG. 1A;

FIGS. 2A-2C are schematic views of different point-like connection points of the fibrous texture network core;

FIG. 3 is a schematic view of a partial cross-sectional structure of a three-dimensional interpenetrating network structure of the fibrous texture network sandwich;

FIGS. 4A-4B are perspective photographs of the fibrous texture network sandwich of the present invention;

FIGS. 5A-5B are photographs of the fibrous texture network core of the present invention after being impregnated and filled with a coating;

FIGS. 6A-6C are schematic views of a process for preparing an anti-crack texture sandwich coating according to the present invention;

FIG. 7 is a flow chart of the method of making patterned fibrous texture network sandwich of the present invention;

fig. 8 is a rice paper effect diagram of the product.

Detailed Description

Example 1

Referring to fig. 7, the method for manufacturing the crack-resistant texture sandwich with the printed patterns comprises the following steps:

step S1, firstly, providing a fiber mechanism network sandwich 30, wherein the fiber mechanism network sandwich 30 contains a three-dimensional interpenetrating network structure formed by fibers;

and step S2, the fiber texture network sandwich 30 is subjected to printing treatment, and a printing pattern is formed on the surface.

The printing treatment comprises one or more of offset printing, silk-screen printing, gravure printing, embossing printing, ink-jet printing, transfer printing, hot stamping, porous printing, offset printing, flexography, digital printing and flocking. The printed pattern is preferably a colorfully coloured pattern to facilitate viewing from a distance. So that the impregnated and coated composite anti-crack texture sandwich coating layer can still show vivid color and pattern effects after the surface is added with a transparent or semitransparent coating layer to be made into the impregnated and coated composite anti-crack texture sandwich coating layer and attached to the surface of the wall body 10.

When in use, referring to fig. 1A, the crack-resistant texture sandwich with printed patterns comprises a fibrous texture network sandwich 30, and after the composite crack-resistant texture sandwich coating is prepared by impregnating and coating and attached to the surface of a wall body 10, the structure is as follows: comprising a first coating layer 20, a transparent second coating layer 40, and the fibrous texture network core 30 sandwiched between the first coating layer 20 and the second coating layer 40.

The fiber texture network sandwich 30 contains a three-dimensional interpenetrating network structure formed by fibers, the fibers comprise horizontal fibers, vertical fibers and fibers in an inclined direction, the overlooking structures of the fiber texture network sandwich 30 are shown in figures 2A-2C, referring to figures 2A-2C, in the same plane, transverse fibers 5, longitudinal fibers 4 and inclined fibers 3 are mutually crossed, and the crossed fibers surround meshes 2. The intersections between the fibers are at least partially connected together to form the connection points 1, for example, the connection points may be one or more of welding, chemical bonding, and the like, and in this embodiment, welding is preferred. The number of fibre junctions may be 1-100% of the number of fibre junctions, i.e. junctions may all form junctions, but also only some junctions may form junctions. As shown in fig. 2A, the intersection between the transverse fiber indicated by the mark 5 and the longitudinal fiber indicated by the mark 4 does not form a connection point, but the intersection between the transverse fiber indicated by the mark 5 and the bias fiber indicated by the mark 3, and the intersection between the longitudinal fiber indicated by the mark 4 and the bias fiber indicated by the mark 3 form a connection point 1.

It should be understood that the fibrous texture network core 30 of the present invention is a three-dimensional structure, i.e., the fibers are not all arranged in the same plane, and there are actually horizontal, vertical, and oblique fibers, which cross each other and form at least some of the connection points. In addition, because of the large length of the fibers, each fiber may have a plurality of horizontal portions, vertical portions, and inclined portions, and the plurality of horizontal portions, the plurality of vertical portions, or the plurality of inclined portions may or may not exist in the same horizontal plane, vertical plane, or inclined plane.

As shown in FIG. 3, transverse meshes 22 are formed between the transverse fibers 31 in the upper horizontal plane and the transverse fibers 32 in the lower horizontal plane, and longitudinal meshes 21 are formed between the transverse fibers and the vertical fibers 33 in the vertical plane, and the transverse meshes 22 are communicated with the longitudinal meshes 21. Similarly, the diagonal direction meshes 23 are formed between the transverse fibers 31 and the diagonal direction fibers, and between the vertical fibers 33 and the diagonal direction fibers, respectively, and fig. 3 shows the case where the two diagonal direction meshes 23 are communicated, but the diagonal direction meshes 23 may be communicated with the transverse direction meshes 22 and/or the longitudinal direction meshes 21.

The transverse fibers 31 in the upper horizontal plane and the transverse fibers 32 in the lower horizontal plane may be derived from two horizontal portions of the same fiber, or may be derived from two fibers.

Referring to fig. 6A to 6C, in this embodiment, the method for manufacturing the impregnation coating composite anti-crack texture sandwich coating by using the anti-crack texture sandwich with the printed pattern is as follows:

referring to fig. 6A, a first inorganic dry powder paint is applied to the surface of the wall 10 to form a first coating layer 20, which only needs to cover the surface of the wall 10, but does not need to be smoothed;

referring to fig. 6B, before the first inorganic dry powder coating loses plasticity, the textile fabric sandwich 30 with printing patterns after printing is attached to the first inorganic dry powder coating, and the first inorganic dry powder coating infiltrates the fibers or infiltrates the fibers into the pores of the three-dimensional interpenetrating network structure by applying pressure; in the process, the printed fibrous texture network sandwich 30 with the printed patterns can be pressed to contact the surface of the wall body 10 or not, and the first inorganic dry powder coating can penetrate through the meshes of the fibrous texture network sandwich 30 and seep out of the meshes, but is not required; at this time, the first inorganic dry powder coating should be transparent or translucent to reveal the printed pattern.

Referring to fig. 6C, a second transparent inorganic dry powder coating, i.e., a second coating 40, is applied, and pressure is applied to make the second inorganic dry powder coating infiltrate the fibers of the three-dimensional interpenetrating network structure and into the pores of the three-dimensional interpenetrating network structure; forming a sandwich coating; in the process, the total thickness of the second coating layer and the first coating layer is preferably not more than 50% of the thickness of the fibrous texture network sandwich 30, more preferably not more than 30%, and more preferably not more than 30% of the thickness of the fibrous texture network sandwich 30;

after the pressure is applied, the first inorganic dry powder coating and the second inorganic dry powder coating are contacted in the mesh and are tightly combined under the action of the pressure; as shown in fig. 6C;

curing the sandwich coating, wherein in the curing process of the second inorganic dry powder coating, the coating positioned on the surface of the holes of the three-dimensional interpenetrating network structure forms large collapse inwards, and the coating positioned on the surface of the fiber is blocked by the fiber and does not collapse or forms small collapse, so that the texture is formed; as shown in fig. 1A. And in the curing process of the first inorganic dry powder coating and the second inorganic dry powder coating, the tightly combined parts are connected into a whole.

Referring to fig. 1B, the surface fibers of the fibrous texture network sandwich 30 may be uneven, such as the first portion of fibers 301 is lower than the second portion of fibers 302 in fig. 1B, but the surface of the fibrous texture network sandwich 30 may also be flattened by a flattening process; during the curing of the second coating layer 40, the coating layer on the surface of the fiber is blocked by the fiber to stay on the surface of the fiber, for example, the surface of the first portion of the fiber 301 forms a lower texture 501, the surface of the second portion of the fiber 302 forms an upper texture 502, and the second coating layer 40 is depressed at the mesh openings 2 to form a depressed texture portion 503, thereby forming the rugged texture 50, and the shape of the texture 50 is identical to or very close to the rugged structure of the surface of the fibrous texture network core 30.

Referring to fig. 5A-5B, the coating material is impregnated into the fibers and penetrates into the openings, wherein the dark portions are the coating material or coating material filling the openings and the light portions are the fibers. Because the coating infiltrates, permeates and fills the mesh of the three-dimensional interpenetrating network structure of the fiber texture network sandwich 30, the fiber of the fiber texture network sandwich and the infiltration coating have the effects of occlusion and bonding, and simultaneously, because the pores of the three-dimensional interpenetrating network structure are three-dimensionally distributed and are communicated with each other, and the infiltration, permeation and filling of the coating in the pores are also in a three-dimensional form, the invention can provide tighter combination between the coating and the fiber texture network sandwich 30 and has good stripping resistance.

Referring to fig. 2B, using polyethylene fiber as an example, in the process of welding the fibers of the three-dimensional arrangement of the fiber texture network sandwich 30 by hot pressing, a part of the fibers are melted to form a block structure 100, so that when the first inorganic dry powder coating and the second inorganic dry powder coating are infiltrated and penetrated and filled into the meshes, the biting force on the fibers can be further increased.

Referring to fig. 2C, if the hot pressing is excessive or the bonding is excessive, the molten and cast fibers or bonding agent is filled in the fiber-enclosed mesh 2, but a new mesh 200 is formed in the cast fibers or bonding agent, the new mesh 200 is communicated with the fiber-enclosed mesh 2, and the filling of the coating in the mesh of the fiber texture network sandwich 30 is more complicated, so that the tear resistance (peeling resistance) can be further increased.

Referring to FIGS. 4A-4B, the fibrous texture network core of the present invention preferably has a fiber diameter of 50nm to 5000 μm, preferably 500nm to 1000 μm, more preferably 1 μm to 100 μm, more preferably 1 μm to 50 μm, more preferably 5 μm to 40 μm. The aperture of the mesh of the fibrous texture network sandwich is preferably 50nm to 10mm, more preferably 100nm to 5mm, more preferably 500nm to 3mm, more preferably 5 μm to 2mm, more preferably 50 μm to 1mm, more preferably 0.1mm to 1 mm. The density of the fibrous texture network sandwich 30 is preferably 1-300g/m²More preferably 3 to 250g/m²More preferably 5 to 200g/m²More preferably 10 to 150g/m²More preferably 20 to 100g/m²More preferably 20 to 50g/m²。

The thickness of the fibrous texture network core 30 is preferably 0.01mm to 10mm, more preferably 0.05mm to 5mm, more preferably 0.1 to 1mm, more preferably 0.1 to 0.5mm, more preferably 0.2 to 0.4mm, such as 0.25mm, 0.28mm, 0.3mm, 0.33mm, 0.35mm, 0.37mm, and the like. The thickness of the fibrous texture network core 30 of the present invention is preferably greater than or equal to the sum of the thicknesses of the first coating and the second coating, and more preferably greater than the sum of the thicknesses of the first coating and the second coating. The second coating thickness is preferably equal to or less than 1/2 a of the thickness of the fibrous texture network core 30.

The first inorganic dry powder coating and the second inorganic dry powder coating are both preferably alkali metal silicate as a film forming material, and can contain components such as fillers, pigments, additives and the like. Of all the components, the largest particles (generally fillers) preferably have a particle size of 50 μm or less, more preferably 30 μm or less, more preferably 20 μm or less, more preferably 10 μm or less. And preferably 1/5 which is less than or equal to the average pore diameter of the meshes of the fibrous texture network sandwich, more preferably 1/10, and more preferably 1/100; but more preferably is not less than 1/1000.

The transparent second coating can show the printed patterns on the surface of the anti-crack texture sandwich to form colorful decorative patterns. Also, surprisingly, after the surface is printed with a pattern, the expression effect of rice paper can be formed.

Example 2

Referring to fig. 7, the method for manufacturing the anti-crack texture sandwich with the printed pattern according to the present invention further includes, on the basis of embodiment 1:

in step S3, after the printing process, the textile network core 30 with the printing pattern is further subjected to an embossing process to form an embossing pattern.

The embossing process treatment comprises rolling and die pressing, and specifically comprises the following steps: heating the fibrous texture network sandwich 30 to a temperature between the glass transition temperature and the melting point temperature corresponding to the material of the fibrous texture network sandwich 30 by using a pair of embossing rollers or embossing plates engraved with embossing patterns, and embossing the fibrous texture network sandwich 30 to generate the embossing patterns in a three-dimensional relief shape. Therefore, after the surface is added with the coating to prepare the impregnated and coated composite anti-crack texture sandwich coating and the impregnated and coated composite anti-crack texture sandwich coating is attached to the surface of the wall body 10, the impregnated and coated composite anti-crack texture sandwich coating still has a remarkable three-dimensional effect. The embossed pattern may be raised or lowered in the fibrous texture network core. The glass transition temperature corresponding to the fibromuscular network sandwich 30 is a transition temperature at which the fibromuscular network sandwich 30 is transformed from a hard and brittle "glassy state" to a deformable "rubbery state" after being heated, i.e., the highest temperature at which the rigidity of the sandwich can be maintained, which is determined by the specific manufacturing materials of the fibromuscular network sandwich 30 and can be obtained by searching the properties of the specific materials. For example, when the fibrous texture network core 30 is made of polyvinyl chloride, the glass transition temperature is 80 ℃, and therefore, the embossing roller or the embossing plate needs to be heated to a temperature higher than 80 ℃ but lower than the melting point, and then the fibrous texture network core 30 is embossed. Other materials are similar and are not specifically enumerated here.

In this embodiment, the method for preparing the impregnation coating composite anti-crack texture sandwich coating by using the anti-crack texture sandwich with the printing pattern or the printing pattern and the embossing pattern comprises the following steps:

coating an organic adhesive, such as an epoxy adhesive, on the surface of the wall 10, or coating the organic adhesive on the surface of the fiber texture network sandwich 30 as a first coating, wherein the fiber texture network sandwich 30 is printed and provided with printed patterns, and then is adhered to the surface of the wall 10 through the organic adhesive,

enabling the organic adhesive to infiltrate into the fibers and penetrate into the holes of the three-dimensional interpenetrating network structure by applying pressure;

coating organic paint to form a transparent second coating, and applying pressure to enable the organic paint to soak the fibers of the three-dimensional interpenetrating network structure and to be soaked into the meshes of the three-dimensional interpenetrating network structure; forming a sandwich coating;

and curing the sandwich coating, wherein the organic coating on the surface of the mesh is inwards largely collapsed, and the organic coating on the surface of the fiber is blocked by the fiber and does not collapse or forms small depressions, so that the texture and the pattern are formed.

Wherein the fiber diameter of the fiber texture network sandwich is 20 μm. The aperture of the mesh of the fibrous texture network sandwich is 0.5 mm. The density of the fibrous texture network sandwich 30 is preferably 50g/m²。

The thickness of the fibrous texture network core 30 is preferably 0.25 mm. The thickness of the first coating was 0.1mm and the thickness of the second coating was 0.13 mm.

Solid particles may not generally be present in the organic binder or organic coating, but may also be present, in which case the largest particles (generally fillers) have a particle size of 20 μm.

The transparent second coating layer can display a printed pattern, and simultaneously, after the second coating layer collapses, the convex-concave structure of the embossed pattern is displayed, so that richer texture patterns are formed.

Example 3

The method for manufacturing the impregnating and coating composite anti-crack texture sandwich coating in the embodiment comprises the following steps:

applying a first organic coating, such as latex paint, to the surface of the wall 10 to form a first coating 20;

applying the fiber texture network sandwich 30 with the printing pattern to the surface of the first coating layer 20, and pressing the fiber texture network sandwich 30 to enable the first organic coating to soak the fibers and permeate into the holes of the three-dimensional interpenetrating network structure; coating a second transparent organic coating which can also be emulsion paint as a second coating, and applying pressure to enable the second organic coating to soak the fibers of the three-dimensional interpenetrating network structure and to be soaked into the meshes of the three-dimensional interpenetrating network structure; forming a sandwich coating;

Wherein the fiber diameter of the fiber texture network sandwich 30 is 30 μm. The aperture of the mesh of the fibrous texture network sandwich 30 is 1 mm. The density of the fibrous texture network sandwich 30 is preferably 100g/m²。

The thickness of the fibrous texture network core 30 is preferably 0.3 mm. The first coating thickness was 0.15mm and the second coating thickness was 0.15 mm.

The organic coating material may be an acrylic emulsion as the film-forming material, and solid particles may not be present in the organic coating material, but may also be present, and in the case of the presence of solid particles, the particle size of the largest particles (typically fillers) is 40 μm.

Example 4

coating a first inorganic dry powder coating on the surface of the wall 10 to form a first coating 20;

applying the fiber texture network sandwich 30 with the printing pattern or the printing pattern and the embossing pattern to the surface of the first coating layer 20, and pressing the fiber texture network sandwich 30 to enable the first inorganic dry powder coating to soak the fibers and permeate into the holes of the three-dimensional interpenetrating network structure; the printed pattern and the embossed pattern do not overlap;

coating a second transparent inorganic dry powder coating (also coating an organic coating such as latex paint), and applying pressure to enable the second inorganic dry powder coating to infiltrate the fibers of the three-dimensional interpenetrating network structure and to be immersed into the meshes of the three-dimensional interpenetrating network structure; forming a sandwich coating; and curing the sandwich coating, wherein the coating on the surface of the mesh is inwards provided with larger collapse, and the coating on the surface of the fiber is blocked by the fiber and is not collapsed or is provided with smaller collapse, so that the texture and the pattern are formed.

Example 5

applying the fibrous texture network sandwich 30 with printing patterns and embossing patterns to the surface of the first coating layer 20; the printing pattern and the embossing pattern are overlapped, namely after the printing pattern is formed, an image-text template at the same position as the printing pattern is adopted for embossing treatment, and convex-concave patterns are formed on the basis of the printing pattern;

pressing the fibrous texture network sandwich 30 to enable the first inorganic dry powder coating to soak the fibers and to permeate into the holes of the three-dimensional interpenetrating network structure;

coating a second transparent inorganic dry powder coating, which can also be emulsion paint, and applying pressure to enable the second inorganic dry powder coating to soak the fibers of the three-dimensional interpenetrating network structure and to be soaked into the pores of the three-dimensional interpenetrating network structure; forming a sandwich coating; curing the sandwich coating, wherein the coating on the surface of the mesh is inwards formed into larger subsidence, and the coating on the surface of the fiber is blocked by the fiber and does not subside or forms smaller subsidence, so that the texture and the pattern are formed; however, unlike example 1, at least a part of the first inorganic dry powder coating and the second inorganic dry powder coating may not contact each other in the mesh, thereby forming a partially hollow structure in the mesh.

Example 6

Compared with the first 5 embodiments, the difference is that: the method for manufacturing the impregnating and coating composite anti-crack texture sandwich coating in the embodiment comprises the following steps:

applying an inorganic dry powder coating to a partial area of the surface of the wall 10, for example, brushing a strip of the inorganic dry powder coating transversely on the top of the surface of the wall 10, or brushing a T-shaped strip;

the fiber texture network sandwich 30 with the printed patterns is pasted on the surface of the strip, the position of the fiber texture network sandwich 30 is preliminarily fixed, and if the position is inaccurate, the fiber texture network sandwich 30 can be peeled off and pasted again;

the surface of the fiber texture network sandwich 30 is coated with a transparent coating, and the transparent coating soaks the fibers of the fiber texture network sandwich 30 and permeates into the meshes of the three-dimensional interpenetrating network structure of the fiber texture network sandwich 30.

Example 7

Compared with the previous embodiments, in the present embodiment, before step S1, the method for manufacturing the anti-crack texture sandwich with the printed pattern further includes:

step S0: and coloring the fibers forming the three-dimensional interpenetrating network structure.

The fiber is colored before the three-dimensional interpenetrating network structure is formed to form a colored three-dimensional interpenetrating network structure, and then the colored three-dimensional interpenetrating network structure is used as the background of the next processing, so that the color richness of the finally manufactured anti-crack texture sandwich can be further increased.

Example 8

In this embodiment, in the printing receiving process of step S2, the printing process further includes a thermal transfer printing method, specifically:

step S21: printing the printing pattern on transfer printing special paper by a printer with special transfer ink;

step S22: attaching one surface with the printed pattern of the transfer printing special paper to the surface of the fiber texture network sandwich 30 where the printed pattern is to be placed;

step S23: and precisely transferring the printing pattern to the surface of the anti-crack texture sandwich 30 at a higher temperature by using a transfer machine or other heating equipment and using a certain pressure.

For example, the present embodiment forms the three-dimensional interpenetrating network structure using PET fibers, which can withstand a high temperature of 250 ℃. When the printing process is performed, the thermal transfer method is adopted, and in step S23, the temperature of the heating device is 210 ℃, the printing pattern is applied to the back surface of the transfer printing special paper for 10 seconds, and then the printing pattern can be transferred to the surface of the anti-crack texture sandwich 30.

The printed pattern produced by the printing method of thermal transfer printing of the embodiment is fine and full, has strong layering and is relatively simple to operate.

Comparative example 1

Wallpaper is applied to the surface of a wall by using an organic adhesive.

And coating emulsion paint on the surface of the wallpaper.

Curing organic adhesive and emulsion paint.

Comparative example 2

And (3) applying the wallpaper to the surface of the wall by using inorganic dry powder paint.

And coating inorganic dry powder paint on the surface of the wallpaper.

And curing the inorganic dry powder coating.

Comparative example 3

And (3) applying the glass fiber cloth to the surface of the wall by using inorganic dry powder coating.

And coating inorganic dry powder paint on the surface of the glass fiber cloth.

And curing the inorganic dry powder coating.

Comparative example 4

And (3) applying the two-dimensional mesh cloth woven by the warp and weft single lines to the surface of the wall body by using inorganic dry powder coating.

And coating inorganic dry powder coating on the surface of the single-line two-dimensional mesh cloth.

And curing the inorganic dry powder coating.

In comparative examples 1 to 4 described above, the same or similar coating thicknesses as those of the 6 examples of the present invention were used.

The coatings of the above examples and comparative examples of the invention were compared for tear resistance and surface texture with the following results:

TABLE 1 comparison of tear resistance and surface texture Pattern for the coatings of the examples and comparative examples

In general, the method can produce abundant textures and patterns similar to wallpaper, can make the textures and the coating show obvious three-dimensional effect, and has good tear resistance and peeling resistance; particularly, no butt seam is visible to naked eyes at the fiber network sandwich with the printed pattern, and the obtained texture and the printed pattern have good continuity. The anti-crack texture sandwich with the printed patterns is a fibrous texture network sandwich, a three-dimensional interpenetrating network structure formed by fibers is contained in the anti-crack texture sandwich, and at least one printed pattern formed by printing process treatment is arranged outside the anti-crack texture sandwich. And the printing pattern can be wholly contained in one anti-crack texture sandwich or can be separately arranged on a plurality of adjacent anti-crack texture sandwiches. Because the internal fibers of the fiber texture network sandwich form a three-dimensional interpenetrating network structure, when the fiber texture network sandwich with the printed patterns is smoothly spliced into an impregnated coating composite anti-crack texture sandwich coating, the patterns can also be smoothly spliced. Therefore, the technical scheme disclosed by the invention can be used for manufacturing patterns with a large area in a standardized and large-scale manner and has good crack resistance.

In contrast, the coating made of the wallpaper has obvious gaps at the splicing positions of the wallpaper and is easy to peel. The coating made of the glass fiber cloth or the single-line two-dimensional mesh cloth has an unobvious texture or an excessively monotonous texture, so that the texture effect of the wallpaper cannot be formed, in addition, the texture difference between the splicing part (or the overlapping or interval gap) of the mesh cloth and the texture of other parts is too large, and the integral combination effect of patterns on the mesh cloth is difficult to observe at a slightly far distance.

The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims

1. The method for manufacturing the anti-crack texture sandwich with the printed patterns is characterized by comprising the following steps of:

2. The method of claim 1, wherein the crack-resistant texture core is a network core used for impregnating a composite crack-resistant texture core coating on the surface of the object.

3. The method of manufacturing of claim 1, wherein the printing process is selected from the group consisting of: one or more of offset printing, silk-screen printing, gravure printing, letterpress printing, ink-jet printing, transfer printing, thermoprinting, porous printing, offset printing, flexography, digital printing, flocking and thermal transfer printing.

4. The method of claim 1, wherein the fibers of the fibrous texture network core are colored fibers, or

Before the step 1, the method further comprises the steps of: and coloring the fibers forming the three-dimensional interpenetrating network structure.

5. The method of manufacturing according to claim 1, further comprising, after the step 2, a step 3 of: and carrying out embossing process treatment on the fibrous texture network sandwich to form an embossing pattern.

6. The method of claim 5, wherein the embossing process is selected from one or more of rolling and molding.

7. The method of manufacturing according to claim 6, wherein the step 3 includes: heating to a temperature between the glass transition temperature and the melting point temperature corresponding to the fibrous texture network sandwich by using a pair of embossing rollers or embossing plates, and applying pressure to the fibrous texture network sandwich to generate convex-concave embossing patterns; wherein at least one of the embossing rollers or plates is engraved with an embossing pattern.

8. The method of any one of claims 5 to 7, wherein the printed pattern overlaps, partially overlaps or is free of overlap with the embossed pattern.

9. The manufacturing method according to claim 1 or 5, wherein the fibrous texture network sandwich is subjected to or has been subjected to a single-sided or double-sided surface finishing before, after, before or after the printing process, the embossing process or the embossing process, and the surface finishing is preferably any one or more of the following a) to f):

10. The method of claim 1, wherein said three-dimensional interpenetrating network structure comprises fibers and interstices between said fibers forming a mesh of intersecting planes.

11. The method of claim 10, wherein the fibers are arranged in a three-dimensional pattern including at least horizontal, vertical, and diagonal fibers.

12. The method of claim 10 or 11, wherein at least two or three of the horizontal portion, the vertical portion, and the inclined portion are present for each of at least some of the fibers; wherein, any one or more of the horizontal part, the vertical part and the inclined part of the fiber are mutually crossed, and/or any one or more of the horizontal part, the vertical part and the inclined part of the fiber are mutually crossed with any one or more of the horizontal part, the vertical part and the inclined part of the fiber.

13. The method of claim 10 or 11, wherein the fibers have a diameter of 50nm to 5000 μm, preferably 500nm to 1000 μm, more preferably 1 μm to 100 μm, more preferably 1 μm to 50 μm, more preferably 5 μm to 40 μm.

14. The method of claim 10, wherein the mesh openings comprise at least one mesh opening in a horizontal, vertical, or inclined orientation, wherein one or more of the horizontal, vertical, or inclined orientation mesh openings are in communication with one or more other mesh openings in one or more of the horizontal, vertical, or inclined orientation mesh openings.

15. The method according to claim 1, wherein the mesh has a pore size of 50nm to 10mm, preferably 100nm to 5mm, more preferably 500nm to 3mm, more preferably 5 μm to 2mm, more preferably 50 μm to 1mm, more preferably 0.1mm to 1 mm.

16. The method of claim 1, wherein the thickness of the fibrous texture network sandwich is 0.01mm to 10mm, more preferably 0.05mm to 5mm, more preferably 0.1mm to 1mm, more preferably 0.1mm to 0.5mm, more preferably 0.2 mm to 0.4mm, such as 0.25mm, 0.28mm, 0.3mm, 0.33mm, 0.35mm, 0.37 mm.

17. The method of claim 1, wherein the density of the fibromuscular network core is1-300g/m²More preferably 3 to 250g/m²More preferably 5 to 200g/m²More preferably 10 to 150g/m²More preferably 20 to 100g/m²More preferably 20 to 50g/m²。

18. An anti-crack texture sandwich with a printed pattern obtained by the manufacturing method according to any one of claims 1 to 17.