Antibacterial formaldehyde-free composite board for children's furniture
By introducing a negative ion layer and antibacterial particles into the composite board, the static electricity release of negative ions achieves continuous antibacterial and formaldehyde purification, solving the problem of insufficient purification capacity of existing boards and improving the health and safety of children's furniture.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUEBAO HOME GRP CO LTD
- Filing Date
- 2025-07-04
- Publication Date
- 2026-06-19
AI Technical Summary
Existing composite panels are difficult to replace once their formaldehyde adsorption capacity is saturated, resulting in insufficient formaldehyde purification capacity. In addition, activated carbon has limited adsorption capacity and cannot continuously and effectively reduce the formaldehyde concentration in the house.
The negative ion layer is composed of negative ion powder and friction fibers. It generates static electricity to release negative ions through external pressure, achieving antibacterial and formaldehyde purification functions. The inner composite layer is made of polypropylene resin material, combined with antibacterial particles and breathable pore design to ensure continuous release of negative ions.
The composite board continuously releases negative ions during use, which has antibacterial and formaldehyde-purifying functions, improving the durability and purification effect of the board.
Smart Images
Figure CN224375097U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of composite board technology, specifically to an antibacterial formaldehyde-free composite board for children's furniture. Background Technology
[0002] In our daily lives, furniture and home decoration boards often release formaldehyde. This is because the artificial composite boards used in furniture and decoration boards typically use urea-formaldehyde resin, which slowly releases formaldehyde, as an adhesive. Excessive formaldehyde concentration in the environment can easily harm human health. Even if furniture and decoration boards are made of formaldehyde-free environmentally friendly boards, due to limitations in living conditions and other factors, it is usually difficult to avoid using products containing formaldehyde in the home. For example, curtains in the home often use formaldehyde-containing finishing agents, and doors and windows often use formaldehyde-containing glass glue. At this time, reducing the formaldehyde concentration in the home becomes particularly important. Currently, some composite boards have the ability to purify formaldehyde and can be used to reduce the formaldehyde concentration in the home.
[0003] Based on the above, Chinese patent document CN222039856U discloses a formaldehyde-removing and antibacterial ecological board, belonging to the field of board technology. It includes a substrate, connecting components, formaldehyde-removing and antibacterial components, and a decorative board. Two connecting components and two formaldehyde-removing and antibacterial components are provided. The upper and lower surfaces of the substrate are connected to the connecting components. The connecting components include a connecting plate, several first mounting slots, and several second mounting slots. The first mounting slots and second mounting slots are respectively formed on the upper and lower surfaces of the connecting plate. The two connecting plates are connected... The sides of the first and second formaldehyde-removing antibacterial strips are connected to the upper and lower surfaces of the substrate, respectively. The first formaldehyde-removing antibacterial strips are connected to the upper and lower surfaces of the substrate, respectively. The sides of the first formaldehyde-removing antibacterial strips located in the upper and lower parts that are far apart are connected to the sides of the two decorative panels that are close to each other. The sides of the second formaldehyde-removing antibacterial strips located in the upper and lower parts that are close to each other are connected to the upper and lower surfaces of the substrate, respectively.
[0004] The aforementioned patent document discloses an eco-board that uses activated carbon to purify formaldehyde and inhibit bacteria. This eco-board contains several first and second formaldehyde-purifying and antibacterial strips filled with activated carbon. The activated carbon adsorbs formaldehyde and prevents bacterial growth. However, the formaldehyde release cycle from various materials in a house is typically more than three years, and the formaldehyde adsorption capacity of activated carbon is limited. Once the activated carbon reaches saturation, the first and second formaldehyde-purifying and antibacterial strips inside the eco-board are difficult to replace, causing the eco-board to cease adsorbing formaldehyde. Therefore, the eco-board's formaldehyde purification capacity is insufficiently sustained, and there is still room for improvement. Utility Model Content
[0005] To address the technical deficiencies in the background technology, this utility model proposes an antibacterial formaldehyde-free composite board for children's furniture, solving the aforementioned technical problems and meeting practical needs. The specific technical solution is as follows:
[0006] An antibacterial formaldehyde-free composite board for children's furniture includes a wear-resistant layer and an inner composite layer arranged sequentially along the thickness direction. An adhesive layer is provided between the wear-resistant layer and the inner composite layer. The inner composite layer is composed of an upper substrate and a lower substrate arranged sequentially along the thickness direction. Several supporting ridges are provided between the upper substrate and the lower substrate. The top and bottom of the supporting ridges are fixedly connected to the upper substrate and the lower substrate, respectively. The bottom of the upper substrate has an upper friction ridge extending downward and not in contact with the lower substrate. The top of the lower substrate has a lower friction ridge extending upward and not in contact with the upper substrate. At least one upper friction ridge and at least one lower friction ridge are provided between two adjacent supporting ridges. The projections formed by the upper friction ridge and the lower friction ridge in the thickness direction are staggered. A negative ion layer is filled between the upper substrate and the lower substrate.
[0007] As a further technical solution of this utility model, the negative ion layer is composed of a number of negative ion powders and a number of friction fibers that generate static electricity after being rubbed with the upper and lower friction edges.
[0008] As a further technical solution of this utility model, the bottom of the upper friction ridge is provided with an upper horizontal ridge, and the upper horizontal ridge does not contact the lower substrate or the lower friction ridge.
[0009] The top of the lower friction ridge is provided with a lower horizontal ridge, and the lower horizontal ridge does not contact the upper substrate or the upper friction ridge.
[0010] As a further technical solution of this utility model, the upper substrate, lower substrate, supporting edge, upper friction edge, lower friction edge, upper transverse edge, and lower transverse edge all have electrical insulation properties, and the upper substrate, lower substrate, supporting edge, upper friction edge, lower friction edge, upper transverse edge, and lower transverse edge are integrally formed and together form an inner composite layer.
[0011] As a further technical solution of this utility model, the surfaces of both the upper substrate and the lower substrate are perforated with a number of vent holes.
[0012] As a further technical solution of this utility model, the adhesive layer is composed of an interlayer connecting mesh and an antibacterial coating wrapped on the surface of the interlayer connecting mesh, and the mesh inside the interlayer connecting mesh is filled with a number of antibacterial particles.
[0013] As a further technical solution of this utility model, a core layer is provided between the wear-resistant layer and the inner composite layer, and two adhesive layers are provided, which are respectively provided between the wear-resistant layer and the core layer and between the core layer and the inner composite layer.
[0014] The beneficial effects of this utility model are as follows:
[0015] This utility model discloses a composite board that achieves antibacterial and formaldehyde purification by releasing negative ions. When the composite board is subjected to external pressure during use, the pressure will act on the inner composite layer, causing the upper or lower substrate in the inner composite layer to undergo elastic deformation. This causes the upper or lower friction edge to rub against the negative ion layer and generate static electricity. The static electricity will promote the release of negative ion powder in the negative ion layer, thereby achieving the antibacterial and formaldehyde purification functions of the composite board. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of an antibacterial, formaldehyde-free composite board used in children's furniture.
[0017] Figure 2 This is a structural diagram of an antibacterial, formaldehyde-free composite board used in children's furniture.
[0018] Among them: 1-wear-resistant layer, 2-inner composite layer, 21-upper substrate, 22-lower substrate, 23-supporting ridge, 24-upper friction ridge, 25-lower friction ridge, 26-negative ion layer, 27-upper transverse ridge, 28-lower transverse ridge, 3-adhesive layer, 31-interlayer connecting mesh, 4-core layer. Detailed Implementation
[0019] The embodiments of this utility model will be described below with reference to the accompanying drawings and related examples. The embodiments of this utility model are not limited to the following examples, and this utility model relates to relevant necessary components in this technical field, which should be regarded as well-known technology in this technical field and can be known and mastered by those skilled in this technical field.
[0020] An antibacterial formaldehyde-free composite board for children's furniture includes a wear-resistant layer 1 and an inner composite layer 2 arranged sequentially along the thickness direction. An adhesive layer 3 is provided between the wear-resistant layer 1 and the inner composite layer 2. The inner composite layer 2 is composed of an upper substrate 21 and a lower substrate 22 arranged sequentially along the thickness direction. A plurality of support ridges 23 are provided between the upper substrate 21 and the lower substrate 22. The top and bottom of the support ridges 23 are fixedly connected to the upper substrate 21 and the lower substrate 22, respectively. The bottom of the upper substrate 21 is provided with an upper friction ridge 24 that extends downward and does not contact the lower substrate 22. The top of the lower substrate 22 is provided with a lower friction ridge 25 that extends upward and does not contact the upper substrate 21. At least one upper friction ridge 24 and at least one lower friction ridge 25 are provided between two adjacent support ridges 23. The projections formed by the upper friction ridge 24 and the lower friction ridge 25 in the thickness direction are staggered. A negative ion layer 26 is filled between the upper substrate 21 and the lower substrate 22.
[0021] This utility model discloses a composite board that achieves antibacterial and formaldehyde purification by releasing negative ions, with reference to... Figure 1 , Figure 2 The composite board is composed of multiple layers of materials along the thickness direction. The wear-resistant layer 1 is preferably a wood grain veneer panel commonly used in composite boards. The inner composite layer 2 is preferably made of high molecular resin materials such as polypropylene. A core layer 4 is provided between the wear-resistant layer 1 and the inner composite layer 2. The core layer 4 is preferably made of solid wood board. The inner composite layer 2 and the core layer 4 together form the internal support structure of the composite board. There are two adhesive layers 3. The two adhesive layers 3 are respectively provided between the wear-resistant layer 1 and the core layer 4 and between the core layer 4 and the inner composite layer 2. The adhesive layers 3 are preferably made of environmentally friendly formaldehyde-free adhesive and are used to bond and fix the wear-resistant layer 1, the core layer 4, and the inner composite layer 2 in sequence.
[0022] In addition, wear-resistant layer 1 can be provided in two layers and located on both sides of the composite board in the thickness direction. In this case, the composite board is composed of wear-resistant layer 1, adhesive layer 3, core layer 4, adhesive layer 3, inner composite layer 2, adhesive layer 3, core layer 4, adhesive layer 3, and wear-resistant layer 1 in sequence along the thickness direction, so that the composite board forms a board with wood grain decorative surface on both sides.
[0023] Furthermore, the negative ion layer 26 is composed of several negative ion powders and several friction fibers that generate static electricity after rubbing against the upper friction edge 24 and the lower friction edge 25. The negative ion powder is preferably tourmaline powder, and the friction fibers are preferably nylon fibers. During use, the composite board will be subjected to external forces such as human weight and squeezed along the thickness direction of the composite board. The force generated by the squeeze will act on the inner composite layer 2, causing the upper substrate 21 or the lower substrate 22 in the inner composite layer 2 to undergo elastic deformation. When the inner composite layer 2 undergoes elastic deformation, the upper substrate 21 and the lower substrate 22 will only undergo elastic deformation between the two adjacent support edges 23, and cause the upper friction edge 24 or the lower friction edge 25 to move along the thickness direction. At this time, the upper friction edge 24 or the lower friction edge 25 will rub against the friction fibers in the negative ion layer 26 and generate static electricity. The static electricity will promote the release of negative ions from the negative ion powder, thereby realizing the antibacterial and formaldehyde purification functions of the composite board through negative ions.
[0024] Negative ions, whether inside or outside the composite board, can reverse the polarity of bacterial proteins, reducing bacterial survival ability and even causing their death, thus achieving the antibacterial function of the composite board. Negative ions can also catalyze and photodegrade harmful substances such as formaldehyde under sunlight or ultraviolet light, achieving the formaldehyde purification function of the composite board. Furthermore, the negative ion powder using tourmaline powder generates negative ions through electrostatic excitation and ionization of water molecules in the air—a purely physical process. As long as the negative ion layer 26 exists inside the inner composite layer 2, the composite board can permanently cooperate with the upper substrate 21 or lower substrate 22 through the negative ion layer 26 and release negative ions, allowing the composite board to continuously perform antibacterial and formaldehyde purification during use. This composite board is mainly used for making children's furniture, using its antibacterial and formaldehyde purification functions to protect children's health from harmful bacteria and formaldehyde.
[0025] As one of the preferred embodiments of this utility model, refer to Figure 1 , Figure 2The bottom of the upper friction ridge 24 is provided with an upper horizontal ridge 27, which does not contact the lower substrate 22 or the lower friction ridge 25. The top of the lower friction ridge 25 is provided with a lower horizontal ridge 28, which does not contact the upper substrate 21 or the upper friction ridge 24. The upper horizontal ridge 27 and the lower horizontal ridge 28 can increase the contact area between the upper friction ridge 24, the lower friction ridge 25 and the negative ion layer 26. When the upper substrate 21 or the lower substrate 22 in the inner composite layer 2 undergoes elastic deformation, the upper friction ridge 24 and the lower friction ridge 25 can better rub against the negative ion layer 26 to ensure stable static electricity generation. The upper horizontal ridge 27 and the lower horizontal ridge 28 can also abut against the surfaces of the lower substrate 22 and the upper substrate 21 respectively when the inner composite layer 2 undergoes elastic deformation, thereby limiting the range of elastic deformation of the upper substrate 21 and the lower substrate 22, avoiding excessive deformation of the upper substrate 21 or the lower substrate 22 and causing material damage, thereby improving the durability of the inner composite layer 2.
[0026] As one of the preferred embodiments of this utility model, refer to Figure 1 , Figure 2 The upper substrate 21, lower substrate 22, support ridge 23, upper friction ridge 24, lower friction ridge 25, upper transverse ridge 27, and lower transverse ridge 28 are all electrically insulating. The upper substrate 21, lower substrate 22, support ridge 23, upper friction ridge 24, lower friction ridge 25, upper transverse ridge 27, and lower transverse ridge 28 are integrally formed to form the inner composite layer 2. The inner composite layer 2 is preferably made of polypropylene resin and manufactured by injection molding to ensure that the inner composite layer 2 has excellent tensile strength, compressive strength, hardness, and other mechanical properties, and also ensures that the inner composite layer 2 has excellent electrical insulation properties. When static electricity is generated inside the inner composite layer 2 by friction between the upper friction ridge 24 or the lower friction ridge 25 and the negative ion layer 26, the static electricity can remain inside the inner composite layer 2 and be used to stimulate the negative ion powder to release negative ions, thereby improving the stability of the negative ion release from the inner composite layer 2.
[0027] As one of the preferred embodiments of this utility model, refer to Figure 1 , Figure 2 Both the upper substrate 21 and the lower substrate 22 have several vent holes. These vent holes are mainly used to allow air to circulate between the interior of the inner composite layer 2 and the outside. Water molecules from the outside can enter the negative ion layer 26 and be ionized by the negative ion powder to generate negative ions. These negative ions can diffuse outward from the inner composite layer 2 through the vent holes, giving the composite board an antibacterial function. Furthermore, the negative ions can purify harmful substances such as formaldehyde in the space where the composite board is located.
[0028] As one of the preferred embodiments of this utility model, refer to Figure 1 , Figure 2The adhesive layer 3 consists of an interlayer connecting mesh 31 and an antibacterial coating covering the surface of the interlayer connecting mesh 31. The interlayer connecting mesh 31 is preferably made of nylon fibers woven into nylon yarns and then woven into a mesh structure. The mesh inside the interlayer connecting mesh 31 is filled with several antibacterial particles, preferably activated carbon powder loaded with silver or copper ions, so that the antibacterial particles can have antibacterial properties and also adsorb harmful substances such as formaldehyde. When the adhesive layer 3 is used to bond and fix the wear-resistant layer 1, the core layer 4, and the inner composite layer 2, the interlayer connecting mesh 31 is immersed in adhesive and then laid on the wear-resistant layer. Between the wear-resistant layer 1 and the core layer 4, or between the core layer 4 and the inner composite layer 2, antibacterial particles are filled in the mesh of the interlayer connecting mesh 31. After the adhesive cures, the interlayer connecting mesh 31, adhesive, and antibacterial particles together form the adhesive layer 3. The adhesive layer 3 with this structure can prevent the adhesive from completely covering the surface of the inner composite layer 2, so that the negative ions generated inside the inner composite layer 2 can diffuse outward smoothly through the vent holes. In addition, the wear-resistant layer 1, the core layer 4, and the inner composite layer 2 can be provided with mesh-like grooves that match the interlayer connecting mesh 31 to improve the bonding strength between different structural layers.
[0029] In summary, this utility model discloses a composite board that achieves antibacterial and formaldehyde purification by releasing negative ions. When the composite board is subjected to external pressure during use, the pressure will act on the inner composite layer 2, causing the upper substrate 21 or lower substrate 22 in the inner composite layer 2 to undergo elastic deformation. This causes the upper friction ridge 24 or lower friction ridge 25 to rub against the negative ion layer 26 and generate static electricity. The static electricity will promote the release of negative ion powder in the negative ion layer 26, thereby achieving the antibacterial and formaldehyde purification functions of the composite board through negative ions.
[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. An antibacterial, formaldehyde-free composite board for children's furniture, comprising a wear-resistant layer (1) and an inner composite layer (2) arranged sequentially along the thickness direction, characterized in that, An adhesive layer (3) is provided between the wear-resistant layer (1) and the inner composite layer (2). The inner composite layer (2) is composed of an upper substrate (21) and a lower substrate (22) in sequence along the thickness direction. A plurality of support ridges (23) are provided between the upper substrate (21) and the lower substrate (22). The top and bottom of the support ridges (23) are fixedly connected to the upper substrate (21) and the lower substrate (22) respectively. The bottom of the upper substrate (21) is provided with an upper friction ridge (24) that extends downward and does not contact the lower substrate (22). The top of the lower substrate (22) is provided with a lower friction ridge (25) that extends upward and does not contact the upper substrate (21). At least one upper friction ridge (24) and at least one lower friction ridge (25) are provided between two adjacent support ridges (23). The projections formed by the upper friction ridge (24) and the lower friction ridge (25) in the thickness direction are all staggered. A negative ion layer (26) is filled between the upper substrate (21) and the lower substrate (22).
2. The antibacterial formaldehyde-free composite board for children's furniture according to claim 1, characterized in that, The negative ion layer (26) is composed of several negative ion powders and several friction fibers that generate static electricity after being rubbed with the upper friction edge (24) and the lower friction edge (25).
3. The antibacterial formaldehyde-free composite board for children's furniture according to claim 1, characterized in that, The bottom of the upper friction ridge (24) is provided with an upper horizontal ridge (27), and the upper horizontal ridge (27) does not contact the lower substrate (22) or the lower friction ridge (25); The lower friction ridge (25) has a lower horizontal ridge (28) at its top. The lower horizontal ridge (28) does not contact the upper substrate (21) or the upper friction ridge (24).
4. The antibacterial formaldehyde-free composite board for children's furniture according to claim 3, characterized in that, The upper substrate (21), lower substrate (22), support ridge (23), upper friction ridge (24), lower friction ridge (25), upper transverse ridge (27), and lower transverse ridge (28) are all electrically insulating. The upper substrate (21), lower substrate (22), support ridge (23), upper friction ridge (24), lower friction ridge (25), upper transverse ridge (27), and lower transverse ridge (28) are integrally formed and together form the inner composite layer (2).
5. The antibacterial formaldehyde-free composite board for children's furniture according to claim 1, characterized in that, Both the upper substrate (21) and the lower substrate (22) have several vent holes running through their surfaces.
6. The antibacterial formaldehyde-free composite board for children's furniture according to claim 1, characterized in that, The adhesive layer (3) consists of an interlayer connecting mesh (31) and an antibacterial coating wrapped around the surface of the interlayer connecting mesh (31). The mesh inside the interlayer connecting mesh (31) is filled with a number of antibacterial particles.
7. The antibacterial formaldehyde-free composite board for children's furniture according to claim 1, characterized in that, A core layer (4) is provided between the wear-resistant layer (1) and the inner composite layer (2). The adhesive layer (3) has two layers, which are respectively provided between the wear-resistant layer (1) and the core layer (4) and between the core layer (4) and the inner composite layer (2).