WO2021035778A1 - Procédé de rénovation de surface de paroi - Google Patents

Procédé de rénovation de surface de paroi Download PDF

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Publication number
WO2021035778A1
WO2021035778A1 PCT/CN2019/104227 CN2019104227W WO2021035778A1 WO 2021035778 A1 WO2021035778 A1 WO 2021035778A1 CN 2019104227 W CN2019104227 W CN 2019104227W WO 2021035778 A1 WO2021035778 A1 WO 2021035778A1
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WO
WIPO (PCT)
Prior art keywords
fiber texture
texture network
wall
network sandwich
fiber
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Application number
PCT/CN2019/104227
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English (en)
Chinese (zh)
Inventor
马志勇
Original Assignee
苏州红泥新材料科技有限公司
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Application filed by 苏州红泥新材料科技有限公司 filed Critical 苏州红泥新材料科技有限公司
Publication of WO2021035778A1 publication Critical patent/WO2021035778A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0296—Repairing or restoring facades

Definitions

  • the invention relates to an old wall renovation technology, in particular to a fast and environmentally friendly wall renovation method.
  • Wall coating refers to the decoration and protection of building walls, making the building walls beautiful and tidy, while also protecting the building walls and prolonging their service life.
  • Paint wall system is currently the most widely used wall system, accounting for almost 80% of the entire wall market.
  • the paint wall system is composed of putty leveling layer and paint. Due to the low strength of the putty leveling layer in this system, its long-term performance stability is poor, causing cracks, swelling, peeling, and peeling of the paint wall, which seriously affects normal use.
  • there are also phenomena such as chalking, chromatic aberration, and pollution, which seriously affect the appearance of the painted wall. Therefore, the walls need to be refurbished at regular intervals.
  • the existing wall renovation process has a long construction period, a lot of construction waste, a lot of dust, noise, etc. during the construction process, especially when polishing the putty layer or polishing the original wall surface, a large amount of dust will be generated.
  • These fine dust particles Very small, it is easy to be adsorbed on the surface of other objects under the action of static electricity and surface tension, but if it is not polished and leveled, it will seriously affect the decoration of the refurbished wall surface, and seriously affect the adhesion between the wall and the back coating. Conclusive.
  • the field of old paint wall renovation lacks a green and environmentally friendly renovation method that is convenient and fast, clean and dust-free, less construction waste, and no noise in construction.
  • the purpose of the present invention is to provide a wall renovation method, especially a wall renovation method with old paint on the surface, so as to reduce construction waste and shorten the construction period.
  • the construction process is noise-free, clean and dust-free. And green.
  • a wall renovation method especially a wall renovation method with old paint on the surface, includes:
  • the "to the datum plane of the wall surface” does not need to be smooth or clean, and does not need to be polished. It only needs to have no obvious protrusions or defects, or it may be flush with the datum plane of the wall by naked eye observation.
  • the "to the reference plane of the wall surface" allows a height difference within 3mm, preferably a height difference within 2mm, more preferably a height difference of 10nm-1.5mm, and more preferably a height difference of 50nm.
  • -1mm height difference more preferably 100nm-1mm height difference, more preferably 1 ⁇ m-1mm height difference, more preferably 50 ⁇ m-0.5mm height difference.
  • the impregnation curing agent can be applied to the refurbished area before, during or after the putty is dried.
  • the wall surface with old paint on the surface may be a wall surface coated with a putty layer, a surface coating, or a wall surface coated with a putty layer only, or a wall coated with a surface coating only Surface, or the coated wall surface left by wallpaper or wall covering after the wallpaper or wall covering is removed.
  • the old paint has one of bulging, defects (including scratches, grooves, pits, etc.), cracking, discoloration, chalking, efflorescence, peeling, mildew, and pollution on the wall surface. kind or several situations.
  • the old paint on the surface of the wall can also be kept in the state when it was applied and dried, for example, no bulging, defects (including scratches, grooves, pits, etc.), cracking, discoloration, chalking, etc.
  • defects including scratches, grooves, pits, etc.
  • cracking discoloration
  • chalking etc.
  • efflorescence, peeling, mold, and pollution One or more of efflorescence, peeling, mold, and pollution.
  • the existence time of the old paint on the wall is not limited, as long as it exists on the wall before the renovation method described in this application is operated.
  • the age of the old paint on the wall surface is preferably at least 1 year, for example, more preferably at least 2 years, more preferably at least 5 years, more preferably at least 10 years, etc.
  • the wall surface may also be free of any old paint, or may be an exposed wall surface, such as a brick wall.
  • the refurbished area can be all original wall surfaces, part of original wall surfaces, or can be limited to bulging, defects (including scratches, grooves, pits, etc.), cracking, discoloration, chalking, efflorescence , Flaking, moldy, and contaminated areas.
  • the defect may be a groove between bricks in a brick wall.
  • a wall renovation method includes:
  • the method for refurbishing a wall further includes:
  • the method for refurbishing a wall further includes:
  • the impregnation curing agent is applied, and then the decorative fiber texture network sandwich is pasted on the impregnation curing agent, and pressed and pasted smoothly to make the impregnation curing agent Infiltrate the decorative fiber texture network sandwich core, and solidify to obtain a refurbished wall surface with the pattern and/or texture of the decorative fiber texture network sandwich core, wherein the decorative fiber texture network sandwich core contains three-dimensional interaction formed by fibers.
  • the network structure Through the network structure.
  • the decorative paint is applied to obtain the refurbished wall surface.
  • the impregnation curing agent includes an organic curing agent, an inorganic curing agent, or an organic-inorganic composite curing agent.
  • the particle size of the impregnation curing agent is in the nanometer range, preferably 5-500 nm, more preferably 50-300 nm, and more preferably 20-80 nm.
  • the impregnation curing agent adopts an aqueous curing agent.
  • the impregnation curing agent is selected from curing agents that have infiltration, penetration and curing enhancement effects on putty and other substrates.
  • the impregnation curing agent is selected from curing agents that have infiltration, penetration and curing enhancement effects on the fiber texture network sandwich core used for leveling.
  • the impregnation curing agent is selected from curing agents that have infiltration, penetration and curing enhancement effects on the decorative fiber texture network sandwich.
  • the impregnation curing agent has other compound functions such as waterproof, mildew proof, flame retardant, and alkali resistance.
  • the three-dimensional interpenetrating network structure includes fibers and three-dimensional intersecting meshes formed by gaps between the fibers.
  • the arrangement of the fibers is a three-dimensional distribution, including at least horizontal, vertical, and oblique fibers.
  • each fiber has at least two or three of the horizontal part, the vertical part, and the oblique direction part at the same time; wherein, any one of the horizontal part, the vertical part, and the oblique direction part of the fiber kind or several kinds of intersecting each other, and/or any one or more of the horizontal part, vertical part, and oblique direction part of the fiber and another one or more of the horizontal part, vertical part, and oblique direction part of the fiber Any one or several of them cross each other.
  • the meshes include at least horizontal, vertical, and oblique meshes, wherein one or more of the horizontal, vertical, and oblique meshes is the same as the other one or more horizontal and vertical meshes.
  • One or more of the meshes in the oblique direction are connected to each other.
  • the “inclined” refers to a non-zero angle with 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” may be in the same horizontal plane or different horizontal planes; the “vertical parts” may be in the same vertical plane or different vertical planes; the “inclination” The direction part” may be in the same inclined plane or in different inclined planes.
  • the fibers are arranged in multiple layers, the fibers of the same layer form a first mesh, and the fibers of each layer at least partially cross each other to form a second mesh, at least part of the first mesh
  • the holes and the second mesh are intersected with each other to form a three-dimensional interpenetrating network structure.
  • each layer of fibers may be a two-dimensional network structure formed by interlacing warp and weft threads, and/or a two-dimensional network structure formed by bending the fibers.
  • At least part of the fibers are interspersed with at least two layers of fibers.
  • the fibers of each layer are arranged alternately with each other to form meshes in different directions.
  • the fiber intersections of each layer or at least part of the layers are located at the meshes of other layers, and/or the fibers of each layer or at least part of the layers have different fiber directions from other layers.
  • connection points between the fibers of the fiber texture network sandwich and the decorative fiber texture network sandwich adopt one or more of physical connection and chemical bonding, and the physical connection includes One or more of hot melting, needle punching, spunlacing, and hot rolling, and preferably hot melting.
  • the number of connection points of the fiber texture network sandwich core and the decorative fiber texture network sandwich core is preferably 1%-100%.
  • the number of connection points refers to the percentage of the number of connection points between fibers to the number of fiber intersections.
  • the fiber texture network sandwich core and the decorative fiber texture network sandwich core can be made of materials such as metal, plastic, rubber, fiber, etc., and are preferably made of fiber materials, and the fibers can be inorganic fibers. , Any one or more of organic fibers, and can be any one or more of artificial synthetic fibers, natural fibers (including natural fiber modification), regenerated fibers obtained after natural fiber processing, metal fibers, and alloy fiberskind.
  • the fiber 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 such as DuPont’s Kevlar, Nomex, Teijin’s Twaron, Technora, Taihe New Materials Co.’s Taparan, etc.), polyphenylene sulfide and other synthetic fibers Any one or several. However, it may also be glass fiber or the like.
  • the fiber can also be modified by dipping and other modification processes to increase rigidity and improve resistance to deformation.
  • the fiber cross-sectional shape of the fiber texture network sandwich core and the decorative fiber texture network sandwich core may be one or more regular and/or irregular shapes, such as at least a circle, an ellipse, and a semicircle. , Polygon (such as triangle, quadrilateral, pentagon, hexagon), five-pointed star, cashew shape, corrugated shape, dumbbell shape, etc., one or more of the shapes, and preferably one of a circle and an ellipse Or several.
  • the fiber texture network sandwich and the decorative fiber texture network sandwich are preferably one of textiles (including non-woven textile materials, non-woven technology), casting, molding, 3D printing, etc.
  • textiles including non-woven textile materials, non-woven technology
  • One or more kinds of acquisition Particularly preferably, it is obtained through non-woven fabric technology and/or non-woven textile material technology, such as electrospinning technology.
  • the manufacturing method of the fiber texture network sandwich core and the decorative fiber texture network sandwich core includes: melt spinning, spraying and stacking fiber filaments, and then hot pressing the fibers in and between the layers Connect separately.
  • the diameter of the fiber is preferably 50nm-5000 ⁇ m, preferably 500nm-1000 ⁇ m, more preferably 1 ⁇ m-100 ⁇ m, more preferably 1 ⁇ m-50 ⁇ m, more preferably 5 ⁇ m-50 ⁇ m, more preferably 5 ⁇ m-40 ⁇ m .
  • the thickness of the fiber texture network sandwich core and the decorative fiber texture network sandwich core is 0.01mm-10mm, more preferably 0.05mm-5mm, more preferably 0.1-1mm, more preferably 0.1 -0.5mm, more preferably 0.2-0.4mm, such as 0.25mm, 0.28mm, 0.3mm, 0.33mm, 0.35mm, 0.37mm.
  • the mesh shape of the fiber texture network sandwich core and the decorative fiber texture network sandwich core has no special requirements, and can be set according to texture requirements. Among them, the meshes can be evenly distributed, or the meshes in different regions have different distribution densities.
  • the pore size of the mesh of the fiber texture network sandwich and the decorative fiber texture network sandwich is preferably 50nm-10mm, more preferably 100nm-5mm, more preferably 500nm-3mm, more preferably It is 5 ⁇ m to 2 mm, more preferably 50 ⁇ m to 1 mm, and more preferably 0.1 mm to 1 mm.
  • the density of the fiber texture network sandwich core and the decorative fiber texture network sandwich core is preferably 1-300g/m 2 , more preferably 3-250g/m 2 , more preferably 5-200g / m 2, more preferably 10 to 150 g / m 2, more preferably 20-100g / m 2, more preferably 20-50g / m 2.
  • the fibers in the fiber texture network sandwich core and the decorative fiber texture network sandwich core are colored fibers, for example, they are colored before forming a three-dimensional interpenetrating network structure.
  • the surface of the fiber texture network sandwich is flattened, but the surface openings communicating with the internal mesh remain; it can be flattened on one side or flattened on both sides.
  • the fiber texture network sandwich core and the decorative fiber texture network sandwich core have been or have been surface-finished, or have not been surface-finished, and the surface finishing includes single-sided surface finishing or double-sided surface finishing.
  • Surface finishing includes single-sided surface finishing or double-sided surface finishing.
  • the surface finishing preferably includes, but is not limited to, any one or more of the following a)-f):
  • the surface is coated with a material that changes the properties of the fiber, preferably with a material with a different water absorption rate. More preferably, the properties (such as water absorption rate) gradually change from one end of the surface finishing part to the other end, more preferably, The performance (such as water absorption) gradually changes from one end of the fiber texture network sandwich to the other end;
  • the decorative fiber texture network sandwich core includes a fiber texture network sandwich body, and the surface of the fiber texture network sandwich body has an embossing pattern, that is, the fiber texture network sandwich body passes through The embossing process forms an embossing pattern on the surface of the fiber texture network sandwich body.
  • the embossing pattern is convex and/or concave in the fiber texture network sandwich body.
  • the embossing pattern can increase the three-dimensional effect of the fiber texture network sandwich body.
  • the embossing treatment is selected from one or more of roll pressing and mould pressing.
  • the fiber texture network sandwich body is the same as the fiber texture network sandwich core.
  • the decorative fiber texture network sandwich core includes a fiber texture network sandwich body, and the surface of the fiber texture network sandwich body has a printed pattern, that is, the fiber texture network sandwich body is printed Processing, forming a printed pattern on the surface of the fiber texture network sandwich body.
  • the fiber texture network sandwich body is the same as the fiber texture network sandwich core.
  • the printed pattern can enrich the pattern and color of the fiber texture network sandwich body.
  • the printing process is selected from: offset printing, silk screen printing, gravure printing, embossing, inkjet printing, transfer printing, hot stamping, stencil printing, offset printing, flexographic printing, digital printing, flocking, thermal transfer One or more of India.
  • the gravure printing refers to: using gravure to transfer the ink to the surface of the fiber texture network sandwich core.
  • the embossing refers to: using a relief plate to transfer the ink to the surface of the fiber texture network sandwich core.
  • the ink used may be one or more of lithographic printing inks, gravure printing inks, stencil printing inks, magnetic inks, fluorescent inks, and UV curing inks.
  • the decorative fiber texture network sandwich core includes a fiber texture network sandwich body, the surface of the fiber texture network sandwich body is provided with embossing patterns and printing patterns, and the printing patterns are consistent with the The embossing patterns are overlapped, partially overlapped or not overlapped.
  • the fiber texture network sandwich body is the same as the fiber texture network sandwich core.
  • the impregnation curing agent adopts a green environmental protection, formaldehyde-free donor water-based curing agent, which can be renovated on the same day and move in on the same day.
  • Fig. 1 is a schematic flow chart of a method for refurbishing a wall in the first embodiment
  • Figure 2 is a schematic diagram of the point-like connection points of the fiber texture network sandwich
  • Figure 3 is a schematic diagram of the partial cross-sectional structure of the three-dimensional interpenetrating network structure of the fiber texture network sandwich;
  • FIGS. 4A-4B are perspective photos of the fiber texture network sandwich core of the present invention.
  • Fig. 5 is a schematic flow chart of a method for refurbishing a wall in the second embodiment
  • FIG. 6 is a schematic flowchart of a method for refurbishing a wall in the third embodiment
  • Fig. 7 is an example diagram of the effect of wall renovation in the third embodiment
  • FIG. 8 is a schematic flowchart of a method for refurbishing a wall in the fourth embodiment
  • Figure 9 is a diagram showing an example of the effect of wall renovation in the fourth embodiment.
  • Fig. 10 is a schematic flowchart of a method for refurbishing a wall in the fifth embodiment.
  • the present invention provides a wall renovation method.
  • the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not used to limit the present invention.
  • a method for refurbishing a wall surface according to the present invention which has protrusions and defects on the surface of the wall surface, includes:
  • Step S1 Remove the protrusions from the raised wall to the datum plane of the wall
  • Step S2 Fill the defective wall with putty to the datum plane of the wall. No need to wait for the putty to dry, no need to scrape or sand the putty, and no need to deliberately remove the old paint in areas such as chalking and pollution;
  • Step S3 Apply an impregnation curing agent to the dry part of the entire wall surface
  • Step S4 Cover the entire wall with a fiber texture network sandwich, which contains a three-dimensional interpenetrating network structure formed by fibers; roll the wall surface so that the impregnation curing agent impregnates the fibers and penetrates into the three-dimensional In the mesh of the interpenetrating network structure, the fiber texture network sandwich core is wet-attached to the surface of the putty to obtain a uniformly colored and overall flat surface infiltrating and solidified fiber texture network sandwich composite wall surface, which is cured to form a refurbished wall surface.
  • the defective wall also includes a brick wall without a putty layer and a paint layer.
  • the above step S2 may be: filling the surface of the brick wall with hook grooves with putty to the reference plane of the wall, without When the putty is dry, there is no need to scrape or sand the putty, and there is no need to deliberately remove the old paint in areas such as chalking and pollution.
  • the aforementioned fiber texture network sandwich includes fibers and three-dimensional intersecting meshes formed by the gaps between the fibers. 2, in the same plane, the transverse fibers 605 and the longitudinal fibers 604 and the diagonal fibers 603 cross each other, and the intersecting fibers surround a mesh 602. The intersections between the fibers are at least partially connected together to form a connection point 601.
  • the connection point 601 can be chemically bonded or physically connected, and the physical connection can be hot melt, needle punching, spunlacing, hot rolling, or the like. If the entire surface is only required to be flat, a point-type hot-melt method can be accepted for an overall flat surface.
  • the percentage of the number of fiber connection points to the number of fiber cross points can be 1%-100%, that is, all the cross points can form the connection points, but only part of the cross points can also form the connection points.
  • the intersection between the transverse fibers indicated by mark 605 and the longitudinal fibers indicated by mark 604 does not form a connection point, but the intersection between the transverse fibers indicated by mark 605 and the diagonal fibers indicated by mark 603
  • the points and the intersections between the longitudinal fibers indicated by the mark 604 and the diagonal fibers indicated by the mark 603 all form a connecting point 601.
  • the fiber texture network sandwich core of the present invention is a three-dimensional structure, that is, the fibers are not all arranged in the same plane. In fact, there are fibers in horizontal, vertical, and inclined directions, horizontal, vertical, and inclined. Directional fibers cross each other and form at least part of the connection points. In addition, due to the relatively large length of fibers, each fiber may have multiple horizontal parts, vertical parts, and inclined direction parts, and multiple horizontal parts, multiple vertical parts, or multiple inclined direction parts may exist. Exist or may not exist in the same horizontal plane, vertical plane or inclined plane.
  • the transverse fibers 31 in the upper horizontal plane and the transverse fibers 32 in the lower horizontal plane form a transverse mesh 22, and the vertical fibers 33 in the vertical plane form a longitudinal mesh 21, and a transverse mesh 22 is formed between the transverse fibers 31 in the upper horizontal plane and the transverse fibers 32 in the lower horizontal plane. It communicates with the longitudinal mesh 21.
  • the oblique direction mesh 23 is formed respectively.
  • FIG. 3 shows the case where the two oblique direction meshes 23 are connected, but the oblique direction meshes 23 are connected.
  • the directional mesh 23 may also be in communication with the horizontal mesh 22 and/or the longitudinal mesh 21.
  • the transverse fibers 31 in the upper horizontal plane and the transverse fibers 32 in the lower horizontal plane may be two horizontal parts from the same fiber, or may be two fibers.
  • the fiber diameter of the fiber texture network sandwich of the present invention is preferably 50nm-5000 ⁇ m, preferably 500nm-1000 ⁇ m, more preferably 1 ⁇ m-100 ⁇ m, more preferably 1 ⁇ m-50 ⁇ m, more preferably 5 ⁇ m-50 ⁇ m, More preferably, it is 5 ⁇ m-40 ⁇ m.
  • the pore size of the mesh of the fiber texture network sandwich is preferably 50nm-10mm, more preferably 100nm-5mm, more preferably 500nm-3mm, more preferably 5 ⁇ m-2mm, more preferably 50 ⁇ m-1mm, more preferably 0.1mm- 1mm.
  • the density of the fiber texture network sandwich is preferably 1-300g/m 2 , more preferably 3-250g/m 2 , more preferably 5-200g/m 2 , more preferably 10-150g/m 2 , more preferably 20 -100g/m 2 , more preferably 20-50g/m 2 .
  • the thickness of the fiber texture network sandwich core is preferably 0.01mm-10mm, more preferably 0.05mm-5mm, more preferably 0.1-1mm, more preferably 0.1-0.5mm, more preferably 0.2-0.4mm, such as 0.25mm, 0.28 mm, 0.3mm, 0.33mm, 0.35mm, 0.37mm, etc.
  • the fiber texture network sandwich can be made of metal, plastic, rubber, fiber and other materials, and is preferably made of fiber material.
  • the fiber can be any one or more of inorganic fiber and organic fiber. It can be any one or more of artificial synthetic fiber, natural fiber (including natural fiber modification), regenerated fiber obtained after natural fiber processing, metal fiber, and alloy fiber.
  • the fiber 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 such as DuPont’s Kevlar, Nomex, Teijin’s Twaron, Technora, Taihe New Materials Co.’s Taparan, etc.), polyphenylene sulfide and other synthetic fibers Any one or several, but it can also be glass fiber.
  • 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 such as DuPont’s Kevlar, Nomex, Teijin’s Twaron, Technora, Taihe New Materials Co
  • the fiber cross-sectional shape of the fiber texture network sandwich can be one or more regular and/or irregular shapes, such as at least a circle, an ellipse, a semicircle, and a polygon (such as a triangle, a quadrilateral, a pentagon). Shape, hexagon), five-pointed star, cashew shape, corrugated shape, dumbbell shape, etc., and preferably one or more of circular shape and oval shape.
  • the fiber texture network sandwich is preferably obtained by one or more of methods such as weaving (including non-woven textile materials and non-woven technology), casting, molding, and 3D printing. Particularly preferably, it is obtained through non-woven fabric technology and/or non-woven textile material technology, such as electrospinning technology.
  • the method for making the fiber texture network sandwich core includes: melt spinning, spraying and stacking fiber filaments, and then hot pressing to connect the fibers in and between the layers respectively.
  • a method for refurbishing a wall according to the present invention chalking occurs on the surface of the wall.
  • the method includes:
  • Step A1 Apply impregnation curing agent on the dry part of the entire wall surface
  • Step A2 Cover the entire wall with a fiber texture network sandwich, which contains a three-dimensional interpenetrating network structure formed by fibers; roll the wall surface to make the impregnation curing agent impregnate the fibers and penetrate into the three-dimensional In the mesh of the interpenetrating network structure, the fiber texture network sandwich core is wet-attached to the surface of the putty to obtain a uniform color and overall flat surface infiltrated and cured fiber texture network sandwich composite wall surface, which is cured to form a refurbished wall surface;
  • Step A3 Apply decorative paint on a composite wall surface with a uniform color and a smooth surface of the impregnated solidified fiber texture network sandwich composite wall to obtain a refurbished wall surface.
  • a method for renovating a wall with a bare brick wall includes:
  • Step B1 Fill the grooves between the bricks with putty to the datum plane of the wall. There is no need to wait for the putty to dry, and there is no need to scrape or sand the putty;
  • Step B2 Apply impregnation curing agent on the dry part of the entire wall surface
  • Step B3 Cover the entire wall surface with a fiber texture network sandwich, which contains a three-dimensional interpenetrating network structure formed by fibers; roll the wall surface to make the impregnation curing agent infiltrate the fibers and penetrate into the three-dimensional interaction Through the mesh of the network structure, the fiber texture network sandwich core is wet-attached to the surface of the putty to obtain a uniform color and overall flat surface infiltrated and cured fiber texture network sandwich composite wall surface, which is cured to form a refurbished wall surface;
  • Step B4 Coat the impregnation curing agent on the impregnated and solidified fiber texture network sandwich composite wall with uniform color and flat surface, and then paste the fiber texture network sandwich with embossed pattern on the impregnation The curing agent is pressed and pasted smoothly, so that the impregnating curing agent is impregnated with the fiber texture network sandwich core with embossed patterns, and cured to obtain a textured refurbished wall surface.
  • step B4 it may further include:
  • Step B5 Apply decorative paint on the refurbished wall with texture to obtain the refurbished wall with paint.
  • the above-mentioned fiber texture network sandwich with embossed patterns is one of the decorative fiber texture network sandwiches, that is, the fiber texture network sandwich is subjected to embossing treatments such as rolling and molding, and the fiber texture network sandwich
  • the surface forms a convex and/or concave three-dimensional embossed pattern.
  • the embossing pattern can increase the three-dimensional effect of the fiber texture network sandwich, so that the refurbished wall has a rich texture pattern. Refer to the example diagram of the refurbished wall surface shown in FIG. 7.
  • a wall renovation method according to the present invention includes:
  • Step C1 Remove the protrusions from the raised wall to the datum plane of the wall
  • Step C2 Fill the defective wall with putty to the datum plane of the wall. There is no need to wait for the putty to dry, no need to scrape or sand the putty, and no need to deliberately remove the old paint in areas such as chalking and pollution;
  • Step C3 Apply impregnation curing agent on the dry part of the entire wall surface
  • Step C4 Cover the entire wall surface with a fiber texture network sandwich core, which contains a three-dimensional interpenetrating network structure formed by fibers; roll the wall surface to make the impregnation curing agent impregnate the fibers and penetrate into the three-dimensional interaction Through the mesh of the network structure, the fiber texture network sandwich core is wet-attached to the surface of the putty to obtain a uniform color and overall flat surface infiltrated and cured fiber texture network sandwich composite wall surface, which is cured to form a refurbished wall surface;
  • Step C5 Coat the impregnation curing agent on the impregnated and solidified fiber texture network sandwich composite wall surface with uniform color and flat surface, and then cover the fiber texture network sandwich with printed patterns on the impregnation and curing And press and paste it smoothly, so that the impregnating curing agent is impregnated with the fiber texture network sandwich core with printed patterns, and solidified to obtain a refurbished wall surface with a variety of colors.
  • step C5 it may further include:
  • Step C6 Apply decorative paint on the refurbished wall with patterns and colors to obtain the refurbished wall with paint.
  • the fiber texture network sandwich with printed patterns is one of the decorative fiber texture network sandwiches, that is, the fiber texture network sandwich is printed to form a printed pattern on the surface of the fiber texture network sandwich.
  • the printing process includes one of offset printing, silk printing, gravure printing, embossing, inkjet printing, transfer printing, hot stamping, stencil printing, offset printing, flexographic printing, digital printing, flocking, and thermal transfer printing.
  • the printing process includes one of offset printing, silk printing, gravure printing, embossing, inkjet printing, transfer printing, hot stamping, stencil printing, offset printing, flexographic printing, digital printing, flocking, and thermal transfer printing.
  • the printed pattern is preferably a colorful pattern with vivid colors, so as to be easily observed from a distance.
  • the printed pattern can enrich the color and pattern of the fiber texture network sandwich, so that the refurbished wall has a bright color and pattern effect. Refer to the example diagram of the refurbished wall shown in FIG. 9.
  • a wall renovation method according to the present invention includes:
  • Step D1 Remove the protrusions from the raised wall to the datum plane of the wall
  • Step D2 Fill the defective wall with putty to the datum plane of the wall. No need to wait for the putty to dry, no need to scrape or sand the putty, and no need to deliberately remove the old paint in areas such as chalking and pollution;
  • Step D3 Apply impregnation curing agent to the dry part of the entire wall surface
  • Step D4 Cover the entire wall surface with a fiber texture network sandwich, which contains a three-dimensional interpenetrating network structure formed by fibers; roll the wall surface to make the impregnation curing agent impregnate the fibers and penetrate into the three-dimensional interaction Through the mesh of the network structure, the fiber texture network sandwich core is wet-attached to the surface of the putty to obtain a uniform color and overall flat surface infiltrated and cured fiber texture network sandwich composite wall surface, which is cured to form a refurbished wall surface;
  • Step D5 Coat the impregnation curing agent on the composite wall surface of the impregnated and solidified fiber texture network sandwich composite wall with uniform color and flat surface, and then paste the fiber texture network sandwich core with embossed patterns and printed patterns on The impregnating curing agent is pressed and pasted smoothly, so that the impregnating curing agent is impregnated with the fiber texture network sandwich core with embossed patterns and printed patterns, and cured to obtain a refurbished wall surface with patterns and textures.
  • step D5 it may further include:
  • Step D6 Apply decorative paint on the renovated wall with color and texture to obtain the renovated wall with paint.
  • the method can produce rich textures and patterns similar to wallpaper, so that the renovated wall surface presents an obvious three-dimensional effect.
  • Step 1 Leveling of the old paint wall: buy a brand of clean-flavor paint on the market, remove the protrusions on the drummed wall to a firm base layer, and fill the defective wall with putty to the datum plane of the wall; chalking, The old paint in the polluted areas must be removed, and the repaired putty should be polished and smoothed after drying;
  • Step 2 Apply the clean smell paint to the leveled old painted wall surface.
  • Step 1 Leveling the old paint wall: remove the damaged old putty layer, re-scrape the new putty layer, add a batch of grid cloth in the middle of the putty layer, and then smooth the surface of the dried putty;
  • Step 2 Apply a commercially available brand of pure flavor paint to the leveled old painted wall.
  • this method shortens the construction time, and the whole construction process can be wet operation, that is, there is no need to wait for the repaired putty to dry before proceeding to the next process. And even if the putty layer or the original wall surface is not leveled, the surface decoration will not be affected. Since no sanding and leveling process is required, no dust is generated in the remaining processes except for removing a small amount of protrusions. Therefore, the method obviously reduces or even avoids construction dust.
  • the method reduces the two construction processes of putty drying and polishing putty, which not only saves time, but also reduces dust, and also eliminates the noise generated by polishing.
  • the impregnation curing agent used in this method is environmentally friendly and formaldehyde-free. For general houses, it can be renovated on the same day and moved in on the same day or the next day.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)

Abstract

L'invention concerne un procédé de rénovation de surface de paroi qui comprend les étapes suivantes consistant : à déterminer une zone de rénovation et à traiter la surface de paroi de la zone de rénovation jusqu'à ce qu'un plan de base soit atteint ; à revêtir la zone de rénovation d'un agent de durcissement d'imprégnation ; à recouvrir la zone de rénovation à l'aide d'un sandwich de réseau de texture fibreuse, qui contient une structure de réseau d'intersection tridimensionnelle formée par des fibres ; à laminer sous pression la surface de paroi de telle sorte que l'agent de durcissement d'imprégnation imprègne les fibres et pénètre dans des pores de réseau dans la structure d'intersection tridimensionnelle de sorte que le sandwich de réseau de texture fibreuse est fixé par voie humide à la surface de mastic, et à durcir l'agent de durcissement d'imprégnation et le mastic pour former une surface de paroi rénovée. Le procédé de rénovation décrit présente un temps de construction court, et une faible poussière est produite pendant la construction.
PCT/CN2019/104227 2019-08-30 2019-09-03 Procédé de rénovation de surface de paroi WO2021035778A1 (fr)

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CN201910822087.3A CN110616910A (zh) 2019-08-30 2019-08-30 一种墙面翻新方法

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CN111605259A (zh) * 2020-04-30 2020-09-01 董欠欠 一种芳纶纤维与碳纤维混编布
WO2023108664A1 (fr) * 2021-12-18 2023-06-22 苏州红泥新材料科技有限公司 Procédé d'amélioration de la résistance de séparation de joint dans un matériau de plaque, parement résistant à la séparation de joint pour matériau de plaque et son procédé de fabrication

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