CN212358975U - Aldehyde-free elastic composite wood floor - Google Patents
Aldehyde-free elastic composite wood floor Download PDFInfo
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- CN212358975U CN212358975U CN202020226440.XU CN202020226440U CN212358975U CN 212358975 U CN212358975 U CN 212358975U CN 202020226440 U CN202020226440 U CN 202020226440U CN 212358975 U CN212358975 U CN 212358975U
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Abstract
The utility model belongs to the technical field of the floor, relate to wooden floor, especially, relate to a no aldehyde elasticity composite wood floor, including base plate and the panel of setting on soft substrate surface, wherein, the base plate is formed by solid wood veneer group and the range upon range of combination of soft substrate, be provided with soft substrate between two adjacent wood veneers in the solid wood veneer group, the rubber granule that contains in the soft substrate will solid wood veneer, soft substrate and panel are solidified as an organic whole through hot pressing vulcanization bonding. The utility model discloses a no aldehyde elasticity composite wood floor, the different first solid wood veneer group of wood texture direction and second solid wood veneer group draw materials same tree species, thickness are close and the timber texture direction is different, can ensure moisture content, the internal stress balance in the middle of the base plate to effectively reduce the phenomenon of crooked, deformation. No other adhesive is used for bonding, so that the prepared floor has no formaldehyde release.
Description
Technical Field
The utility model belongs to the technical field of the floor, relate to wooden floor, especially, relate to a no aldehyde elasticity composite wood floor.
Background
As a mainstream flooring material for interior decoration, wood flooring is required to have a good walking comfort level while a good decoration effect is required. In particular, in special indoor environments such as libraries, recording studios, bedrooms, meeting rooms, medical care rooms and the like, good cushioning, heat preservation or comfort in use environments is required.
Currently, cork is used as a veneer or a part of a base material, and cork and other materials are compounded to form a floor. For example, patent CN201711330645.1 discloses a solid wood composite cork floor and a manufacturing method thereof, in which a balance layer and a cork layer are respectively laminated on two sides of a middle base material layer to achieve the purpose of good walking comfort; patent CN200620035176.1 cork compound solid wood floor, the glue has the solid wood layer on the cork layer, and the glue has the basic unit under the cork layer, and it regards solid wood layer as the top layer, regards the cork layer as the intermediate level, regards solid wood finger to press and fold or the solid wood plywood or the medium density fiberboard as the bottom.
In the prior art described above, the flooring products disclosed all require the use of cork. As a scarce resource, the cork has few market stocks and low annual output, and is difficult to meet the market demand. Also, adhesives are used in existing cork flooring and there is a problem of formaldehyde emission.
Therefore, there is a need for a resilient floor that has a good feel to the foot, is less affected by resources, is free of formaldehyde, and has the same performance as solid wood.
Disclosure of Invention
To the deficiencies existing in the prior art, the purpose of the utility model is to disclose a formaldehyde-free elastic composite wooden floor.
The utility model provides a no aldehyde elasticity composite wood floor, includes base plate and sets up the panel on soft substrate surface, wherein, the base plate is formed by solid wood veneer group and the range upon range of combination of soft substrate, be provided with soft substrate between two adjacent solid wood veneers in the solid wood veneer group, the rubber granule that contains in the soft substrate will solid wood veneer, soft substrate and panel are as an organic whole through hot pressing vulcanization bonding solidification.
The utility model discloses in the preferred disclosure example, the panel is the wood veneer that has decorative effect, thickness 0.1 ~ 4.0mm, preferred 1.0 ~ 2.0mm, and its kind of material does not have the restriction, like black walnut, teak etc..
In the preferred embodiment of the present invention, the substrate comprises a first solid wood veneer group, a second solid wood veneer group and a soft substrate, wherein the first solid wood veneer group is a layer or a plurality of layers of solid wood veneers with the same texture direction, the thickness is 0.8-3.0 mm, preferably 1.7-2.3 mm, and the wood species can be fast-growing wood, such as eucalyptus and eucalyptus globulus; the second solid wood single board group is one or more layers of solid wood single boards with the same texture direction and different from the first solid wood single board group in the texture direction, the thickness of the second solid wood single board group is 0.8-3.0 mm, preferably 1.7-2.3 mm, and the second solid wood single board group can be fast growing wood such as eucalyptus and eucalyptus globulus.
Further, the solid wood veneers of the first solid wood veneer group and the second solid wood veneer group are of the same wood type.
Further, the thickness range of the solid wood veneers of the first solid wood veneer group and the second solid wood veneer group is not more than 0.5 mm.
Furthermore, the wood grain directions of the first solid wood single plate group and the second solid wood single plate group are different, the wood grain direction of the first solid wood single plate group is along the width direction of the floor, and the wood grain direction of the second solid wood single plate group is along the length direction of the floor.
In the preferred embodiment of the present invention, the thickness of the soft substrate is 0.5 to 3.0mm, preferably 0.5 to 1.0 mm; the soft substrate is formed by mixing and vulcanizing rubber particles and wood particles, has good elasticity similar to a slightly foamed rubber product, and is vulcanized and molded after assembly.
In the preferred embodiment of the present invention, a transparent protective layer is coated on the surface of the panel, and the thickness of the transparent protective layer is 30-400 μm, preferably 50-100 μm; the transparent protective layer is a cross-linked polymer of a mixture with ultraviolet light curing/electron beam curing acrylate functional resin as a main component.
Alternatively, the transparent protective layer may be formed by naturally solidifying a wood wax oil.
Advantageous effects
The utility model discloses a no aldehyde elasticity composite wood floor, the different first solid wood veneer group of wood grain direction and second solid wood veneer group draw materials same tree species, thickness are close and timber texture direction difference can ensure moisture content, the internal stress balance in the middle of the base plate to effectively reduce the phenomenon of crooked, deformation. The unvulcanized rubber has good viscosity, so that the solid wood veneers are vulcanized through the soft substrate to realize the bonding among layers, and other adhesives are not adopted for bonding, so that the prepared floor has no formaldehyde release.
Drawings
Fig. 1, a structural view of the aldehyde-free resilient composite wood flooring in example 1,
FIG. 2: the structure of the aldehyde-free elastic composite wood flooring in example 2 is schematically shown,
figure 3-first group of solid wood veneers of example 1,
FIG. 4: the second solid wood panel group of example 1;
wherein, 1, a panel; 2. a soft substrate; 3. a first solid wood veneer group; 31. an upper layer veneer; 32. a lower layer veneer; 4. A second solid wood veneer group; 41. an upper layer veneer; 42. a middle layer veneer; 43. and (5) a lower layer veneer.
Detailed Description
The present invention will be described in detail with reference to the following examples so that those skilled in the art can better understand the present invention, but the present invention is not limited to the following examples.
Example 1
Referring to fig. 1, 3 and 4, the formaldehyde-free elastic composite wood floor comprises a base plate and a panel 1 arranged on the surface of a soft substrate 2. The base plate is formed by superposing and combining a solid wood veneer group and a soft substrate 2. A soft substrate 2 is arranged between any two solid wood veneers. In the structure, the layer of the texture substrate closest to the panel is a soft substrate 2. The panel 1 is a black walnut solid wood veneer with the thickness of 0.6 mm.
The base plate is composed of the first solid wood veneer group 3, the second solid wood veneer group 4 and the soft substrate 2.
The first solid wood veneer group 3 is two layers of solid wood veneers with the same texture in the same texture direction in the base material, wherein the thickness of the upper layer veneer 31 is 2.0mm of eucalyptus, and the thickness of the lower layer veneer 32 is 2.2mm of eucalyptus.
The second solid wood veneer group 4 is a three-layer solid wood veneer with the same texture in the same texture direction in the base material and different from the texture of the first solid wood veneer group. Wherein the thickness of the upper layer veneer 41 is 1.7mm eucalyptus, the thickness of the middle layer veneer 42 is 1.7mm eucalyptus, and the thickness of the lower layer veneer 43 is 2.0mm eucalyptus.
The soft substrate 2 has a thickness of 1.2mm and comprises rubber particles and wood particles. The rubber is prepared by mixing the two materials in a rubber mixing mill, extruding, cooling, molding and vulcanizing, has good elasticity similar to slightly foamed rubber products, and is vulcanized and molded after assembly. The unvulcanized rubber has good viscosity, so that the solid wood veneers are bonded by vulcanizing the soft substrate.
The wood particles are wood particles of wood with the surface being pretreated, the wood particles contain over 35 percent of cork particles by mass, and the cork particles are prepared by processing cork of cork oak. The wood particles range from 30 to 40 meshes. The wood material is crushed, screened and purified to obtain cork particles with different specifications, and the wood particles are treated by a heat treatment method.
The rubber particles are particles of an unvulcanized rubber mixture and are medium Mooney viscosity nitrile rubber. 1 mass percent of vulcanizing agent PDM, 0.5 mass percent of anti-aging agent 288, 1.1 mass percent of phthalate, 0.8 mass percent of scorch retarder CTP and 1.8 mass percent of ammonium polyphosphate (MAPP) are added.
The transparent protective layer is a crosslinked polymer of a mixture of ultraviolet light-cured acrylate functional resins as a main component. The transparent protective layer has a thickness of 200 μm.
Example 2
Referring to fig. 2, the formaldehyde-free elastic composite wood floor comprises a base plate and a panel 1 disposed on the surface of a soft substrate 2. The base plate is formed by superposing and combining a solid wood veneer group and a soft substrate 2. A soft base material 2 is arranged between any two solid wood veneers. In the structure, the layer of the texture substrate closest to the panel is a soft substrate 2. The panel 1 is a tussah wood single board with the thickness of 2.0 mm.
The base plate is composed of the first solid wood veneer group 3, the second solid wood veneer group 4 and the soft substrate 2. The first solid wood veneer group 3 is a eucalyptus veneer with 2.2mm thickness and three layers of solid wood veneers with the same texture in the same texture direction in the base material.
The second solid wood veneer group 4 is four layers of solid wood veneers with the same texture in the same texture direction and different texture from the first solid wood veneer group in the base material, and the thickness of the eucalyptus veneers is 1.9 mm.
The soft substrate 2 has a thickness of 0.8mm and comprises rubber particles and wood particles. The rubber is prepared by mixing the two materials in a rubber mixing mill, extruding, cooling, molding and vulcanizing, has good elasticity similar to slightly foamed rubber products, and is vulcanized and molded after assembly. The unvulcanized rubber has good viscosity, so that the solid wood veneers are bonded by vulcanizing the soft substrate.
The wood particles are wood and straw subjected to surface pretreatment, and are mixed according to a ratio of 1:1, the wood particles contain over 40% of cork particles in mass percentage, and the cork particles are prepared by processing cork of cork oak. The wood particles range from 30 meshes to 35 meshes. The method comprises the steps of crushing, screening and removing impurities from a wood material to obtain cork particles, and treating the wood particles through a heat treatment method.
The rubber particles are particles of an unvulcanized rubber mixture and are nitrile rubber with a medium Mooney viscosity. 1 percent of vulcanizing agent PDM, 0.6 percent of anti-aging agent 288, 1 percent of phthalate, 0.9 percent of antiscorching agent CTP and 2 percent of ammonium polyphosphate (MAPP) are added.
The transparent protective layer is a crosslinked polymer of a mixture of ultraviolet light-cured acrylate functional resins as a main component. The transparent protective layer had a thickness of 180 μm.
It is only above the embodiment of the utility model, not therefore the restriction the utility model discloses a patent range, all utilize the utility model discloses equivalent structure or equivalent flow transform that the specification was done, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (11)
1. The utility model provides a no aldehyde elasticity composite wood floor, includes base plate and sets up panel (1) on soft substrate (2) surface, its characterized in that: the base plate is formed by laminating and combining a solid wood veneer group and a soft substrate (2), the soft substrate (2) is arranged between two adjacent solid wood veneers in the solid wood veneer group, and rubber particles contained in the soft substrate integrate the solid wood veneers, the soft substrate and the panel through hot-pressing vulcanization bonding and solidification.
2. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the panel (1) is a solid wood veneer with a decorative effect, and the thickness of the veneer is 0.1-4.0 mm.
3. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the panel (1) is a solid wood veneer with decorative effect, and the thickness is 1.0-2.0 mm.
4. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the base plate is composed of a first solid wood veneer group (3), a second solid wood veneer group (4) and a soft substrate (2), wherein the first solid wood veneer group (3) is one or more layers of solid wood veneers with the same texture direction, and the thickness of the first solid wood veneer group is 0.8-3.0 mm; the second solid wood single plate group (4) is one or more layers of solid wood single plates with the same texture and different from the first solid wood single plate group (3) in the texture direction, and the thickness of the second solid wood single plate group is 0.8-3.0 mm.
5. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the base plate is composed of a first solid wood veneer group (3), a second solid wood veneer group (4) and a soft substrate (2), wherein the first solid wood veneer group (3) is one or more layers of solid wood veneers with the same texture direction, and the thickness of the first solid wood veneer group is 1.7-2.3 mm; the second solid wood single plate group (4) is one or more layers of solid wood single plates with the same texture and different from the first solid wood single plate group (3) in the texture direction, and the thickness of the second solid wood single plate group is 1.7-2.3 mm.
6. The formaldehyde-free resilient composite wood flooring according to claim 4, wherein: the solid wood veneers of the first solid wood veneer group (3) and the second solid wood veneer group (4) are of the same wood type, and the thickness range difference value is less than or equal to 0.5 mm.
7. The formaldehyde-free resilient composite wood flooring according to claim 4, wherein: the wood grain directions of the first solid wood single plate group (3) and the second solid wood single plate group (4) are different, the wood grain direction of the first solid wood single plate group (3) is along the width direction of the floor, and the wood grain direction of the second solid wood single plate group (4) is along the length direction of the floor.
8. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the thickness of the soft substrate (2) is 0.5-3.0 mm.
9. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the thickness of the soft substrate (2) is 0.5-1.0 mm.
10. The formaldehyde-free resilient composite wood flooring according to claim 1, wherein: the surface of the panel (1) is coated with a transparent protective layer, and the thickness of the transparent protective layer is 30-400 mu m.
11. The aldehyde-free resilient composite wood flooring according to claim 10, wherein: the surface of the panel (1) is coated with a transparent protective layer, and the thickness of the transparent protective layer is 50-100 mu m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020226440.XU CN212358975U (en) | 2020-02-28 | 2020-02-28 | Aldehyde-free elastic composite wood floor |
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| CN202020226440.XU CN212358975U (en) | 2020-02-28 | 2020-02-28 | Aldehyde-free elastic composite wood floor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111219034A (en) * | 2020-02-28 | 2020-06-02 | 广州厚邦木业制造有限公司 | Aldehyde-free elastic composite wood floor and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111219034A (en) * | 2020-02-28 | 2020-06-02 | 广州厚邦木业制造有限公司 | Aldehyde-free elastic composite wood floor and preparation method thereof |
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