CN220864930U

CN220864930U - Six-face reinforced paper-surface gypsum board

Info

Publication number: CN220864930U
Application number: CN202322337307.8U
Authority: CN
Inventors: 叶宝玲; 居然
Original assignee: Dragon New Energy Materials Shanghai Co ltd
Current assignee: Dragon New Energy Materials Shanghai Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-30
Anticipated expiration: 2033-08-30

Abstract

The utility model relates to a six-face reinforced paper-faced gypsum board, which comprises a gypsum board core board, a protective coating and a gypsum board core board, wherein the gypsum board core board comprises six end faces, the six end faces are respectively a front end face positioned in front, a rear end face positioned behind and four side end faces, at least one of the six end faces of the gypsum board core board is covered with the protective paper, and the protective coating at least covers the junction of the protective paper and the gypsum board core board. The protective coating is coated at the junction of the facing paper and the gypsum board core board, so that the strength of connection between the gypsum board core board and the facing paper can be enhanced, the toughness is improved, and the whole quality of the gypsum board is improved because the junction is protected by the protective coating and is not easy to tear, fall off or tilt.

Description

Six-face reinforced paper-surface gypsum board

Technical Field

The utility model belongs to the technical field of building material processing and production, and particularly relates to a paper surface gypsum board.

Background

The paper-surface gypsum board is a light board material which is made up by using gypsum slurry as sandwich and using paper on two sides as face-protecting material. The paper gypsum board has the characteristics of light weight, sound insulation, heat insulation, strong processability, simple construction method, light weight, fire resistance, sound insulation, heat preservation, heat insulation, strong processability, planer, nailable, sawable, convenient construction, good detachable performance, large use area and the like, and can be widely used for various industrial buildings and civil buildings, especially high-rise buildings as an inner wall material and a decoration material. Such as: the device is used for non-bearing walls, indoor veneer, suspended ceilings and the like in a cabinet frame structure.

However, the gypsum board has poor strength and toughness of connection with the facing paper due to the characteristics of gypsum raw materials, is extremely easy to tear and fall off and tilt at corners, particularly in the process of carrying and assembling, and has the defects of tearing and falling off, particularly loss caused by collision at corners, and seriously affects the overall appearance and quality.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides the six-sided reinforced paper gypsum board with flat and smooth corners, high strength and excellent fireproof and moistureproof performances.

In order to achieve the above purpose, the utility model provides a six-sided reinforced paper-faced plasterboard, which comprises a plasterboard core board, wherein the plasterboard core board comprises six end faces, namely a front end face positioned at the front, a rear end face positioned at the rear and four side end faces, at least one of the six end faces of the plasterboard core board is covered with a face protection paper, and the six end faces of the plasterboard core board also comprise a protective coating, and the protective coating at least covers the junction of the face protection paper and the plasterboard core board.

The protective coating is coated at the junction of the facing paper and the gypsum board core board, so that the strength of connection between the gypsum board core board and the facing paper can be enhanced, the toughness is improved, and the whole quality of the gypsum board is improved because the junction is protected by the protective coating and is not easy to tear, fall off or tilt.

According to the present utility model, further, the area of the facing sheet is equal to the area of the front end face, the facing sheet is adhered to the front end face, and the protective coating is coated at least at the edge of the facing sheet and on the side end faces. The face guard paper completely covers the front end face of the gypsum board core board connected with the face guard paper, and the edge of the face guard paper and the side end faces are coated with protective coatings, so that the edge of the face guard paper is prevented from warping, the bonding firmness of the face guard paper and the gypsum board core board is further improved, and the overall attractiveness is improved.

According to the present utility model, further, the facing paper has two sheets, one of which has an area equal to that of the front end face and is adhered to the front end face, and the other of which has an area equal to that of the rear end face and is adhered to the rear end face; the four side end surfaces of the facing paper and the gypsum board core are covered with the protective coating. The front end face and the rear end face of the gypsum board core board are respectively stuck with the face guard paper, the front end face and the rear end face of the gypsum board core board are protected from collision, and the four side end faces of the face guard paper and the gypsum board core board are respectively covered with the protective coating, namely, the junction of the face guard paper and the gypsum board core board is coated with the protective coating, so that the face guard paper of the front end face and the rear end face is prevented from warping.

According to the utility model, the facing paper is further provided with an extension bonded to the side end face of the gypsum board core, the extension being overcoated with the protective coating. The firmness of the adhesion of the facing paper and the gypsum board core board is increased.

According to the utility model, the facing paper covers six end faces of the gypsum board core, and the protective coating is uniformly coated on the facing paper. The problem of warping of the facing paper can be prevented, and the overall strength of the gypsum board can be increased due to the integral wrapping.

According to the utility model, the surface protection paper has six pieces, the areas of the six pieces of surface protection paper are respectively equal to the areas of the six end faces of the gypsum board core, and the six end faces are adhered and covered one by one. Six sheets are adhered to each end face respectively, the operation is easy, and the occurrence of the conditions that the face protection paper is wrinkled or uneven in adhesion is reduced.

According to the utility model, further, the surface of the gypsum board core board is provided with glue injection holes near the edge, and the glue injection holes are filled with bonding emulsion. And the edge is additionally provided with a glue injection hole for injecting bonding emulsion, so that the firmness between the edge of the facing paper and the gypsum board core board is enhanced, and the edge warping probability of the facing paper is reduced.

According to the utility model, the thickness of the gypsum board core is more than or equal to 8mm. The thickness of the gypsum board core board is selected according to the coating mode of the protective coating, so that the hardness requirement of the gypsum board core board can be met under the condition of unchanged processing cost, and the problem of edge warping of the facing paper can be solved.

According to the utility model, the thickness of the protective coating is 20um-1000um.

According to the utility model, further, the protective coating comprises an aqueous reinforcing coating, a solvent-based thermoplastic coating, a UV coating or a powder coating. According to construction requirements, the required protective coating type is selected, the facing paper and/or the gypsum board core board are coated, the integrity of the paper gypsum board is improved, and the damage probability is reduced.

The six-face reinforced paper-surface plasterboard has the beneficial effects that: the protective coating is coated on the surface of the facing paper and extends to the side end face of the gypsum board, so that the bonding strength of the edge of the facing paper is greatly improved, the falling and breakage probability of gypsum powder at the edge of the facing paper is reduced, and the integrity and the attractiveness of the paper-surface gypsum board are improved. The edge and corner strength of the facing paper are obviously improved, so that the problem of yield reduction caused by collision damage at the corners in the carrying process can be obviously reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of another view angle structure of FIG. 1;

FIG. 3 is a schematic structural view of embodiment 2 of the present utility model;

fig. 4 is a schematic structural diagram of a through hole used in the glue injection hole in embodiment 3 of the present utility model;

FIG. 5 is a schematic diagram of a structure in which blind holes are used for the glue injection holes in embodiment 3 of the present utility model;

fig. 6 is a schematic structural view of embodiment 4 of the present utility model.

Wherein, 100-gypsum board core board, 110-front end face, 120-back end face, 130-glue injection hole, 140-side end face, 200-face protection paper, 210-extension, 300-bonding layer, 400-protective coating.

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the six-sided reinforced paper gypsum board of an embodiment of the present utility model includes a gypsum board core 100, where the gypsum board core 100 is a cuboid board, six sides are adhered to a front end surface 110 and a rear end surface 120 of the gypsum board core 100, the other four sides adjacent to the front end surface 110 and the rear end surface 120 are referred to herein as side end surfaces 140, a protective coating 400 is coated on edges of the side end surfaces 200, the protective coating 400 wraps intersecting edges of the side end surfaces 140 and the side end surfaces 200, so as to enhance connection firmness between the side end surfaces 200 and the gypsum board core 100, and wrap intersecting edges of the side end surfaces 200 and the gypsum board core 100, so as to avoid edge lifting of the side end surfaces 200 during handling or under external force, and to affect quality of the whole gypsum board.

In order to further enhance the protection performance of the protective coating 400 on the intersecting edge of the gypsum board core 100 and the facing paper 200 and avoid the problem of warping, the protective coating 400 can be made of an aqueous coating material, the coating thickness is 20um-1000um, optionally 20um-800um, optimally 20um, the effect of enhancing the connection strength of the facing paper 200 and the gypsum board core 100 can be achieved, the aqueous coating material can be saved, the connection between the facing paper 200 and the gypsum board core 100 is protected by taking water-soluble resin as a film forming material, the connection strength between the facing paper 200 and the gypsum board core 100 is enhanced, the aqueous coating is increased, such as polyvinyl alcohol, water-soluble alkyd resin, water-soluble epoxy resin, inorganic high-molecular aqueous resin and the like which are purchased in the market are adopted, the coating is harmless to human body, does not pollute the environment, and has the characteristics of water resistance, wear resistance, aging resistance, difficult surface yellowing, quick drying, convenient use and the like;

Or the solvent type thermoplastic acrylic resin which is commercially available is adopted, the thickness of the solvent type thermoplastic acrylic resin coating is 20um-1000um, the optimal thickness is 500um, the connection between the facing paper 200 and the gypsum board core 100 is protected, the connection strength between the facing paper and the gypsum board core 100 is enhanced, the solvent type thermoplastic acrylic resin coating is increased, the coating has better physical and mechanical properties, excellent weather resistance, chemical resistance and water resistance, high gloss retention and high color retention, and the coating can also be mixed with nitrocellulose, cellulose acetate butyrate and perchloroethylene resin to improve the coating performance;

Or spraying, brushing or dip-coating a commercially available UV coating on the outer surface of the facing paper 200, wherein the thickness of the UV coating is 20um-1000um, optionally 80um-800um, optimally 300um, the connection between the facing paper 200 and the gypsum board core 100 is protected, the connection strength between the facing paper 200 and the gypsum board core 100 is enhanced, the UV coating adopts epoxy acrylate, polyurethane acrylate, polyester acrylate, polyether acrylate, acrylic acid resin, unsaturated polyester and other resins, and mono-functional or multi-functional monomers of various acrylic acid esters, the polymerization and crosslinking can be initiated at room temperature through free radicals under the action of ultraviolet photons, the curing can be completed at room temperature, the UV coating is a solvent-free coating, VOC is not volatilized into the atmosphere in the film forming process, the environment is not polluted, and the environmental protection requirement is met;

Or brushing a commercially available latex powder coating on the outer surface of the facing paper 200, wherein the thickness of the latex powder coating is 20um-1000um, optionally 20um-800um, optimally 400um, so as to protect the connection between the facing paper 300 and the gypsum board core 100, enhance the connection strength between the two, and increase the latex powder coating.

Further, the thickness of the core of the gypsum board core 100 is not less than 8mm, preferably 9mm, 12mm or 15mm, so that the hardness of the gypsum board core 100 meets the construction requirement, breakage cannot occur easily, and safe construction and use are ensured.

Further, the gypsum board core 100 is fixedly connected to the facing paper 200 by the bonding layer 300, the bonding layer 300 comprises, but is not limited to, starch emulsion, vinyl acetate polymer, vinyl acetate/ethylene, styrene-butadiene emulsion, acrylic emulsion or polyurethane emulsion, and the bonding layer 300 is made of commercially available materials.

Example 2

As shown in fig. 3, the six-sided reinforced paper gypsum board according to an embodiment of the present utility model includes a gypsum board core 100, where the gypsum board core 100 is a cuboid board and has six sides, the front end face 110 and the rear end face 120 of the gypsum board core 100 are bonded with a facing paper 200, the other four sides adjacent to the front end face 110 and the rear end face 120 are referred to herein as side end faces 140, and the facing paper 200 and the four side end faces 130 are coated with a protective coating 400, and the protective coating 400 wraps the outer surface of the whole paper gypsum board, so that the connection firmness of the facing paper 200 and the gypsum board core 100 can be enhanced, the problem of edge warping of the facing paper 200 can be avoided, and the strength of the whole paper gypsum board can be increased due to the fact that the protective coating 400 is covered with six sides.

In order to further enhance the protective performance of the protective coating 400 on the gypsum board core 100 and the facing paper 200, the protective coating 400 can be made of a commercially available water-based paint coating material, the coating thickness is 20um-1000um, optionally 20um-800um, and optimally 20um, so that the effect of enhancing the connection strength of the facing paper 200 and the gypsum board core 100 can be achieved, the water-based paint coating material can be saved, the water-based paint coating material is used as a film forming material for protecting the connection between the facing paper 200 and the gypsum board core 100, the connection strength between the two is enhanced, the water-based paint coating is increased, such as the commercially available polyvinyl alcohol, the water-based alkyd resin, the water-based epoxy resin, the inorganic high-molecular water-based resin and the like, the coating is harmless to human body, does not pollute the environment, and has the characteristics of good paint film flexibility, such as water resistance, wear resistance, aging resistance, difficult surface yellowing, quick drying, convenient use and the like;

Furthermore, the thickness of the board core of the gypsum board core 100 is more than or equal to 8mm, preferably 8mm, and the board core thickness of the gypsum board core 100 is 1mm less than that of the traditional gypsum board core 100, so that the manufacturing cost is reduced, the strength requirement can still be met due to the thickness of the protective coating 400 coated on the surface of the board core, the problem that the connection edge of the facing paper 200 and the gypsum board core 100 is tilted can not occur, and the gypsum board core is more suitable for various construction occasions.

Example 3

The six-sided reinforced paper-faced gypsum board of one embodiment of the utility model comprises a gypsum board core 100, wherein the gypsum board core 100 is a cuboid board and is provided with six surfaces, the front end surface 110 and the rear end surface 120 of the gypsum board core 100 are adhered with a face guard 200, the other four surfaces adjacent to the front end surface 110 and the rear end surface 120 are all called side end surfaces 140, the edge or the whole surface of the face guard 200 is coated with a protective coating 400, the protective coating 400 wraps the intersecting edge of the face guard 200 and the adjacent side end surfaces 130, the connection firmness of the face guard 200 and the gypsum board core 100 is enhanced, and the intersecting edge of the face guard 200 and the gypsum board core 100 is wrapped, so that the edge of the face guard 200 is prevented from warping during the carrying process or under the action of external force, and the quality of the whole gypsum board is prevented from being influenced.

Further, the gypsum board core 100 is fixedly connected with the facing paper 200 through the bonding layer 300, preferably, a glue injection hole 130 can be formed on the front end face 110 and/or the rear end face 120, which are close to the edge, of the gypsum board core 100, bonding emulsion is injected into the glue injection hole 130, and the glue injection hole 130 for injecting the bonding emulsion is additionally arranged, so that the connection strength between the edge of the facing paper 200 and the gypsum board core 100 is enhanced, the edge warping probability of the facing paper 200 is further reduced, the bonding layer 300 and the bonding emulsion comprise, but are not limited to, starch emulsion, vinyl acetate polymer, vinyl acetate/ethylene, styrene-butadiene emulsion, acrylic emulsion or polyurethane emulsion, and the materials of the bonding layer 300 and the bonding emulsion are all commercially available materials.

Specifically, when the glue injection holes 130 are through holes, as shown in fig. 4, the number of the glue injection holes 130 may be one or more, preferably four, and are respectively formed on the surfaces close to the four corners, as shown in fig. 4, the glue injection holes may be round holes or rectangular holes, preferably, the caliber of two ends of the glue injection holes 130 is larger than that of the middle connecting section, so that the hollowed area inside the gypsum board core 100 can be reduced, the strength of the gypsum board core can be kept, the contact area between the facing paper 200 and the bonding emulsion in the glue injection holes 130 can be increased, and the bonding strength can be increased.

Specifically, when the glue injection holes 130 are blind holes, as shown in fig. 5, the number of the glue injection holes 130 may be one or more, preferably four, and they are respectively formed on the front end face 110 and the rear end face 120, as shown in fig. 5, they may be round holes or rectangular holes, preferably trapezoidal holes, the caliber of which is larger toward the outside than the caliber of which is toward the inside, and the calibers of which both ends are toward the inside have a space therebetween. Increasing the contact area of the facing 200 with the bonding emulsion in the glue holes 130 increases the bond strength, and the non-communicating glue holes 130 are beneficial to maintaining the strength of the gypsum board core 100 itself.

Example 4

The six-sided reinforced gypsum board according to one embodiment of the present utility model includes a gypsum board core 100, the gypsum board core 100 is a rectangular plate having six sides, a facing paper 200 is adhered to the front end face 110 and the rear end face 120 of the gypsum board core 100, the remaining four sides adjacent to the front end face 110 and the rear end face 120, which are referred to herein as side end faces 140, and the facing paper 200 is provided with an extension 210, the extension 210 is adhered to the side end faces 140 of the gypsum board core 100, and the extension 210 is externally coated with a protective coating 400, as shown in fig. 6. The extension 210 may be elongated, and a plurality of strips are disposed on a plurality of sides of the facing paper 200, which is equivalent to adding additional fixing structures to increase the connection firmness between the facing paper 200 and the gypsum board core 100.

Further, the thickness of the core of the gypsum board core 100 is 12mm, so that the hardness of the gypsum board core 100 meets the construction requirement, breakage cannot occur easily, and safe construction and use are ensured.

Further, the gypsum board core 100 is fixedly connected to the facing paper 200 by the bonding layer 300, the bonding layer 300 comprises, but is not limited to, starch emulsion, vinyl acetate polymer, vinyl acetate/ethylene, styrene-butadiene emulsion, acrylic emulsion or polyurethane emulsion, and the bonding layer 300 is made of commercially available materials

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. Six reinforcing thistle boards, including the gypsum board core, the gypsum board core includes six terminal surfaces, and six terminal surfaces are preceding terminal surface, the rear end face and four side end faces that are located the rear that are located the place ahead respectively, its characterized in that: the gypsum board core board comprises a gypsum board core board, and is characterized in that at least one of six end faces of the gypsum board core board is covered with a facing paper, and the gypsum board core board also comprises a protective coating, wherein the protective coating at least covers the junction of the facing paper and the gypsum board core board.

2. The six-sided reinforced gypsum plasterboard of claim 1, wherein: the area of the facing paper is equal to that of the front end face, the facing paper is adhered to the front end face, and the protective coating is coated at least at the edge of the facing paper and on the side end faces.

3. The six-sided reinforced gypsum plasterboard of claim 1, wherein: the two pieces of facial tissues are arranged, wherein one piece of facial tissues has an area equal to that of the front end face and is adhered to the front end face, and the other piece of facial tissues has an area equal to that of the rear end face and is adhered to the rear end face; the four side end surfaces of the facing paper and the gypsum board core are covered with the protective coating.

4. A six-sided reinforced gypsum plasterboard as claimed in claim 2 or 3, wherein: the facing paper is provided with an extension, the extension is bonded on the side end face of the gypsum board core, and the extension is externally coated with the protective coating.

5. The six-sided reinforced gypsum plasterboard of claim 1, wherein: the face protection paper covers six end faces of the gypsum board core board, and the face protection paper is uniformly coated with the protective coating.

6. The six-sided enhanced plasterboard of claim 5, wherein: the surface protection paper has six, and six surface protection paper's area equals respectively the area of six terminal surfaces of gypsum board core and the one-to-one covers on six terminal surfaces.

7. The six-sided reinforced gypsum board of any one of claims 1-3, 5, 6, wherein: and the gypsum board core board is provided with a glue injection hole near the edge, and bonding emulsion is injected into the glue injection hole.

8. The six-sided reinforced gypsum board of any one of claims 1-3, 5, 6, wherein: the thickness of the gypsum board core board is more than or equal to 8mm.

9. The six-sided reinforced gypsum board of any one of claims 1-3, 5, 6, wherein: the thickness of the protective coating is 20um-1000um.

10. The six-sided reinforced gypsum board of any one of claims 1-3, 5, 6, wherein: the protective coating is an aqueous enhanced coating, a solvent type thermoplastic coating, a UV coating or a powder coating.