CN211968663U - Light foamed fibrilia composite board - Google Patents
Light foamed fibrilia composite board Download PDFInfo
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- CN211968663U CN211968663U CN201922375940.XU CN201922375940U CN211968663U CN 211968663 U CN211968663 U CN 211968663U CN 201922375940 U CN201922375940 U CN 201922375940U CN 211968663 U CN211968663 U CN 211968663U
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Abstract
The utility model relates to a fibrilia composite sheet technical field, it discloses a light foaming fibrilia composite sheet, be in including polyurethane foaming board, setting gradually polyurethane foaming board's front and through the compound fibrilia board, low melting point film and the decorative fabric, the setting of hot pressing compound connection of hot pressing are in polyurethane foaming board's the back and through the compound fibrilia board of connecting of hot pressing. The utility model discloses realize fibrilia composite sheet's light and feature of environmental protection.
Description
Technical Field
The utility model relates to a fibrilia composite sheet technical field, concretely relates to light foaming fibrilia composite sheet.
Background
The fibrilia composite board is an environment-friendly board compounded by plant fibrilia and high polymer PP fibers, adopts a glue-free compounding technology, has the advantages of environmental protection, light weight, high strength, good toughness, excellent flame retardance and the like, and overcomes the defect that the traditional composite decorative board can release formaldehyde and VOC (volatile organic compounds).
In fiber-reinforced composite materials used in industrial fields such as automobile parts, door inner panels, trunks, ceilings, instrument panels, fender liners, spoilers, and the like are often manufactured using chemical fiber-reinforced thermoplastic matrices. The chemical fiber is usually glass fiber, aramid fiber and the like, and has the defects of high brittleness, poor environmental protection, relatively high density and heavy weight. For example, the glass fiber has a density of 2.4 to 2.76g/cm3The density of the aramid fiber is 1.37-1.44 g/cm3The interior trim panel with heavier weight is not beneficial to reducing the energy consumption of the automobile and improving the power performance.
Therefore, there is a need for a lightweight automotive interior panel and a good environmental performance by technical improvement based on the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a light foaming fibrilia composite board aims at realizing the light and the feature of environmental protection of fibrilia composite board. The specific technical scheme is as follows:
the light foamed fibrilia composite board comprises a polyurethane foamed board, a fibrilia board, a low-melting-point film and a decorative fabric which are sequentially arranged on the front surface of the polyurethane foamed board and are connected in a hot-pressing compounding manner, and a fibrilia board which is arranged on the back surface of the polyurethane foamed board and is connected in a hot-pressing compounding manner.
Preferably, a knurled pattern is arranged on one surface of the fibrilia plate, which is in contact with the polyurethane foam plate.
Preferably, the reticulate pattern knurls are roll-formed reticulate pattern knurls formed by a reticulate pattern knurling roller; the rolling surface of the reticulate pattern knurling roller is formed by combining a plurality of equally-spaced forward thread grooves (right thread grooves) and a plurality of equally-spaced reverse thread grooves (left thread grooves) on the outer circle of the reticulate pattern knurling roller.
Preferably, the rolled surface of the anilox roller is also provided with a rough rolled matte surface by sandblasting.
The reticulate pattern knurling is formed by rolling and adopting a specially designed reticulate pattern knurling roller to replace a traditional smooth cylindrical roller in the hot rolling and forming process of the fibrilia plate. Therefore, the production process of the fibrilia plate is not increased by the formation of the reticulate knurling on the fibrilia plate, and the economy is good.
The arrangement of the knurling on the fibrilia plate greatly enhances the bonding strength of the fibrilia plate and the polyurethane foam board.
Preferably, the low-melting-point film is a PP film.
Preferably, the density of the polyurethane foam board is 0.18-0.22 g/cm3。
Preferably, the density of the fibrilia plate is 0.70-0.90 g/cm3。
Preferably, the thickness of the polyurethane foam plate is 3-4 mm.
Preferably, the thickness of the fibrilia plate is 1-1.5 mm.
Preferably, the thickness of the decorative fabric is 1.5-2.0 mm.
The manufacturing method of the light foamed fibrilia composite board comprises the following steps:
the decorative fabric is made of a material with a density of 0.70-0.90 g/cm3The density of the light hemp fiber board is 0.18-0.22 g/cm3The light polyurethane foaming board is subjected to hot pressure compounding at the temperature of 170 ℃ to form a light environment-friendly light foaming fibrilia composite board.
The light foamed fibrilia composite board can be used for automotive interior ceiling parts, fully protects the head space of passengers, and reduces the weight of automotive parts.
The utility model has the advantages that:
first, the utility model discloses a light foaming fibrilia composite sheet compares the automotive interior plaque goods that traditional glass fiber, aramid fiber etc. made, and formaldehyde-free and VOC (volatile organic compound) release, its feature of environmental protection is good.
Second, the utility model discloses a light foaming fibrilia composite sheet, fibrilia board goes up the setting of line annular knurl, has strengthened the bonding strength of fibrilia board and polyurethane foaming board greatly.
Thirdly, the density of the light foamed fibrilia composite board of the utility model is only 0.30g/cm3Compared with the traditional automotive interior board products made of glass fiber, aramid fiber and the like, the weight of the automotive interior board product is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a lightweight foamed fibrilia composite board of the present invention;
FIG. 2 is a schematic structural view of a hemp fiber board with a knurled pattern on the surface contacting with a polyurethane foam board.
In the figure: 1. polyurethane foam board, 2, front, 3, hemp board, 4, low-melting-point film, 5, decorative fabric, 6, back, 7 and reticulate pattern knurling.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 shows an embodiment of the light foamed fibrilia composite board of the present invention, which comprises a polyurethane foam board 1, a fibrilia board 3, a low melting point film 4 and a decorative fabric 5, which are sequentially disposed on a front surface 2 of the polyurethane foam board 1 and are connected by hot-pressing and compounding, and a fibrilia board 3, which is disposed on a back surface 6 of the polyurethane foam board 1 and is connected by hot-pressing and compounding.
Preferably, a knurled pattern 7 is provided on the side of the fibrilia plate 3 which is in contact with the polyurethane foam board 1.
Preferably, the reticulate pattern knurls are roll-formed reticulate pattern knurls formed by a reticulate pattern knurling roller; the rolling surface of the reticulate pattern knurling roller is formed by combining a plurality of equally-spaced forward thread grooves (right thread grooves) and a plurality of equally-spaced reverse thread grooves (left thread grooves) on the outer circle of the reticulate pattern knurling roller.
Preferably, the rolled surface of the anilox roller is also provided with a rough rolled matte surface by sandblasting.
The reticulate pattern knurling is formed by rolling and adopting a specially designed reticulate pattern knurling roller to replace a traditional smooth cylindrical roller in the hot rolling and forming process of the fibrilia plate. Therefore, the production process of the fibrilia plate is not increased by the formation of the reticulate knurling on the fibrilia plate, and the economy is good.
The arrangement of the knurling on the fibrilia plate greatly enhances the bonding strength of the fibrilia plate and the polyurethane foam board.
Preferably, the low-melting-point film 4 is a PP film.
Preferably, the density of the polyurethane foam board 1 is 0.18-0.22 g/cm3。
Preferably, the density of the fibrilia plate 3 is 0.70-0.90 g/cm3。
Preferably, the thickness of the polyurethane foam board 1 is 3-4 mm.
Preferably, the thickness of the fibrilia plate 3 is 1-1.5 mm.
Preferably, the thickness of the decorative fabric 5 is 1.5-2.0 mm.
Example 2:
the manufacturing method of the light foamed fibrilia composite board of the embodiment 1 is as follows:
the decorative fabric 5 is made to have the density of 0.70-0.90 g/cm3The density of the light hemp fiberboard 3 is 0.18-0.22 g/cm3The light polyurethane foam board 1 is subjected to thermal pressure compounding at 170 ℃ to form a light and environment-friendly light foam fibrilia composite board.
The light foamed fibrilia composite board can be used for automotive interior ceiling parts, fully protects the head space of passengers, and reduces the weight of automotive parts.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The light foamed fibrilia composite board is characterized by comprising a polyurethane foamed board, a fibrilia board, a low-melting-point film and a decorative fabric which are sequentially arranged on the front surface of the polyurethane foamed board and are connected in a hot-pressing compounding manner, and a fibrilia board which is arranged on the back surface of the polyurethane foamed board and is connected in a hot-pressing compounding manner.
2. The lightweight foamed fibrilia composite board according to claim 1, wherein a surface of the fibrilia board contacting with the polyurethane foamed board is provided with a knurled pattern.
3. The lightweight foamed fibrilia composite board of claim 2, wherein the cross hatch knurls are cross hatch knurls roll-formed by a cross hatch knurl roller; the rolling surface of the reticulate pattern knurling roller is formed by combining a plurality of right thread grooves with equal intervals and a plurality of left thread grooves with equal intervals on the outer circle of the reticulate pattern knurling roller.
4. The lightweight foamed fibrilia composite board according to claim 1, wherein the low melting point film is a PP film.
5. The lightweight foamed fibrilia composite board of claim 1, wherein the density of the polyurethane foamed board is 0.18-0.22 g/cm3。
6. The lightweight foamed fibrilia composite board of claim 1, wherein the density of the fibrilia board is 0.70-0.90 g/cm3。
7. The lightweight foamed fibrilia composite board according to claim 1, wherein the thickness of the polyurethane foamed board is 3-4 mm.
8. The lightweight foamed fibrilia composite board according to claim 1, wherein the fibrilia board has a thickness of 1-1.5 mm.
9. The lightweight foamed fibrilia composite board according to claim 1, wherein the thickness of the decorative fabric is 1.5-2.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375940.XU CN211968663U (en) | 2019-12-26 | 2019-12-26 | Light foamed fibrilia composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375940.XU CN211968663U (en) | 2019-12-26 | 2019-12-26 | Light foamed fibrilia composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211968663U true CN211968663U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922375940.XU Active CN211968663U (en) | 2019-12-26 | 2019-12-26 | Light foamed fibrilia composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211968663U (en) |
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2019
- 2019-12-26 CN CN201922375940.XU patent/CN211968663U/en active Active
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