CN103101270A - Environment-friendly multilayer composite board for home decoration, and preparation method thereof - Google Patents
Environment-friendly multilayer composite board for home decoration, and preparation method thereof Download PDFInfo
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- CN103101270A CN103101270A CN2013100351696A CN201310035169A CN103101270A CN 103101270 A CN103101270 A CN 103101270A CN 2013100351696 A CN2013100351696 A CN 2013100351696A CN 201310035169 A CN201310035169 A CN 201310035169A CN 103101270 A CN103101270 A CN 103101270A
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Abstract
The invention discloses an environment-friendly multilayer composite board for home decoration, and a preparation method of the environment-friendly multilayer composite board. The environment-friendly multilayer composite board is formed by compounding a multilayer board and a thermoplastic plastic film arranged on the surface of the multilayer board; the multilayer board is formed by compounding at least two layers of single layer boards into a whole; the single layer boards are respectively made of component I and component II, and the components of every two adjacent single layer boards are different from each other; the component I comprises 50-80wt% of bastose and 20-50wt% of low melting point fiber; and the component II comprises 50-80wt% of bastose, 20-50wt% of low melting point fiber and 0-30wt% of alpinia fiber. The environment-friendly multilayer composite board product is non-toxic and harmless, environment-friendly and complementary in the performances such as hardness, elasticity, corrosion resistance and bacteriostasis, thus the cost is effectively reduced and the service life is prolonged; when the prepared product has the gram weight of 100-500g/ m<2> and the thickness of 0.2-5mm, the environment-friendly multilayer composite board can be used for replacing decoration materials such as wallpaper, paint and coating for direct use; and when the prepared environment-friendly board has the gram weight of 1000-5000g/m<2> and the thickness of 8-250mm, the environment-friendly multilayer composite board can be directly used as a home decoration material.
Description
Technical Field
The invention relates to the technical field of decorative materials, in particular to an environment-friendly multilayer composite board for home decoration and a preparation method thereof.
Background
At present, a large amount of paint, wallpaper and composite floor are used in home decoration, and the materials inevitably contain harmful substances such as formaldehyde, VOC and the like, so that the materials cause great harm to human bodies. Therefore, the research of the environment-friendly decorative material is particularly important.
In CN102300704A, a trim panel formed of natural fibers and a protective material for automotive trim panels is disclosed, comprising a base layer substantially formed of natural fibers selected from: wood, lignin or other cellulosic fibres, such as wood, kenaf, hemp, jute, flax, ramie, roselle, rattan, soybean, okra, banana fibre, bamboo, coconut, coir, cotton, caroa leaf fibre, abaca, pine, pineapple, raffia and/or sisal. A protective material applied directly to the base layer without the intervention of a hot melt adhesive, and wherein the protective material has a TMA range of 60 ℃ to 170 ℃, a material composition selected from polyols such as polyethers, polyesters, polycaprolactones, polycarbonates, or any oil based organic polyol (i.e. soy, corn and castor).
In CN201627325U, a decorative board is disclosed, which comprises a fiber layer, the fibers of the fiber layer are compounded into a whole by a needle punching compounding manner, and the fiber layer is in the form of a thermoplastic board. The utility model discloses rational in infrastructure, convenient to use, excellent in use effect.
CN101570109A discloses an environment-friendly decorative board, which comprises a substrate and a decorative surface layer made of decorative material bonded to one surface of the substrate, and a harmful gas adsorption layer capable of adsorbing harmful gas is bonded to the other surface of the substrate. The harmful gas adsorption layer can be formed by a fabric made of bamboo carbon fiber or activated carbon fiber, can also be a coating of activated carbon or bamboo carbon powder, and can also be formed by a breathable surface layer made of breathable material and a material layer which is attached to at least one surface of the breathable surface layer and can adsorb harmful gas; wherein, the air permeable material can be non-woven fabric, woven fabric or paper, and the material layer capable of adsorbing harmful gas can be composed of activated carbon powder or bamboo carbon powder; the decorative board of the invention has good effect of adsorbing harmful gas, is very convenient to lay, and is suitable for being popularized and used in decoration of places such as families, offices, entertainment and the like.
The above patent documents are all attempts in the field of environment-friendly decorative materials, but the use thereof in home decoration has certain limitations, such as hardness, beauty, price and the like of the materials, and the materials cannot be directly used for replacing decorative materials such as paint, wallpaper and the like.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the invention aims to provide the environment-friendly multilayer composite board for home decoration, which has the characteristics of environmental protection, attractiveness, high cost performance and the like, and can be directly used for replacing decorative materials such as paint, wallpaper and the like to decorate service environments such as indoor walls and the like. The invention also aims to provide a preparation method of the environment-friendly multilayer composite board for home decoration.
The technical scheme is as follows: in order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
an environment-friendly multilayer composite board for home decoration is formed by compounding a multilayer board and a thermoplastic plastic film arranged on the surface of the multilayer board; the multilayer board is at least made by compounding two layers of single-layer boards into a whole, each single-layer board is selected from a first component and a second component, and the components of the two adjacent single-layer boards are different; the component one consists of 50 to 80 weight percent of fibrilia and 20 to 50 weight percent of low-melting-point fiber; the second component consists of 50-80 wt% of fibrilia, 20-50 wt% of low-melting-point fiber and 0-30 wt% of moonberry fiber.
The component I preferably consists of 60 to 75 weight percent of fibrilia and 25 to 40 weight percent of low-melting-point fiber; the second component preferably comprises 55-70 wt% of hemp fiber, 25-40 wt% of low-melting-point fiber and 5-20 wt% of monthly peach fiber.
The fibrilia is selected from hemp, flax, jute, kenaf, sisal, hibiscus hemp, ramie, bluish dogbane and apocynum venetum.
The low-melting-point fiber is one or more of PLA fiber, PP fiber, ES fiber and PET bicomponent fiber.
The ES fiber is of a sheath-core structure, the sheath is PE polyethylene, and the melting point range is 125-135 ℃; the core is PP polypropylene with a melting point range of 160-165 ℃.
The PET bicomponent fiber sheath-core structure is characterized in that the sheath is PET polyester fiber, and the melting point is 110-120 ℃; the core is PET polyester fiber with a melting point of 260 ℃.
The environment-friendly multilayer composite board for home decoration comprises 3 layers, 4 layers or more than 4 layers of single-layer boards.
The thermoplastic plastic film is selected from PE film, PET film, PP film, OPP film, BOPP film, EVA film and EAA film.
A method for preparing an environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and then performing cold rolling, cooling, film coating and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 1-20 m/min; needling density: 30 to 500 spines/cm2(ii) a Oven temperature: 170 ℃ and 230 ℃, and drying time: 0.5min-20 min; the cold rolling temperature is 0-30 ℃, and the film covering temperature is 150-230 ℃.
Has the advantages that: compared with the prior art, the environment-friendly multilayer composite board for home decoration has the main advantages that:
(1) the hemp fiber is adopted as a raw material, has good moisture absorption and air permeability, is antibacterial and anti-mite, and is an environment-friendly home decoration material. The fiber is compounded by low-melting-point fiber and fibrilia, and no other components are added, so that the product is ensured to contain no other harmful chemical substances, and is harmless to human bodies and environment-friendly.
(2) In the raw materials, the moonberry fibers are added, so that the product gram weight can be effectively reduced while the hardness and strength of the product are ensured, the product is endowed with special smell, the antibacterial and bacteriostatic effects are achieved, the corrosion resistance of the product is enhanced, and the service life of the product is effectively prolonged.
(3) The environment-friendly board has light weight and high hardness, and the gram weight of the prepared product reaches 100-500 g/m2When the thickness is 0.2-5mm, the decorative materials such as wallpaper, paint, coating and the like can be directly replaced, and the decorative materials can be directly used for places needing decoration such as walls, roofs and the like; when the gram weight of the prepared environment-friendly board is 1000-2And when the thickness is 8-250mm, the material can be directly used as a home decoration material (a wall body, a clapboard and a roof decoration plate).
(4) By adopting a multilayer composite structure, and the components of two adjacent layers are different, the performance can be complemented, especially the hardness, elasticity, corrosion resistance, bacteriostasis and other performances, so that the cost can be reduced, the service life of the product can be effectively prolonged, and the performance of the product can be improved.
(5) The surface of the multilayer board is coated with thermoplastic plastic films, and the types of the thermoplastic plastic films include a PE film, a PET film, a PP film, an OPP film, a BOPP film, an EVA film, an EAA film and the like. The thermoplastic plastic film can be selected at will when in use, enriches the product types, improves the product selectivity, and is environment-friendly and pollution-free.
(6) The preparation method of the environment-friendly plate has the advantages of simple process, convenient operation and easy industrialization; and the cold rolling process is adopted, so that the temperature can be reduced while the thickness is fixed, and the surface of the product is modified, so that the unevenness of the surface of the product becomes flat.
Drawings
FIG. 1 is a schematic structural diagram of a first environment-friendly multilayer composite board for home decoration;
fig. 2 is a schematic structural diagram of a second environment-friendly multilayer composite board for home decoration.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the environment-friendly multilayer composite board for home decoration of the invention is formed by compounding a multilayer board and a thermoplastic plastic film 2 arranged on the surface of the multilayer board, wherein the multilayer board is composed of at least two single-layer boards 1 compounded into a whole. The components of each single-layer board 1 are selected from a first component and a second component, and the components of two adjacent single-layer boards are different; the component one consists of 50 to 80 weight percent of fibrilia and 20 to 50 weight percent of low-melting-point fiber, preferably 60 to 75 weight percent of fibrilia and 25 to 40 weight percent of low-melting-point fiber; the second component consists of 50-80 wt% of hemp fiber, 20-50 wt% of low-melting-point fiber and 0-30 wt% of monthly peach fiber, and preferably consists of 55-70 wt% of hemp fiber, 25-40 wt% of low-melting-point fiber and 5-20 wt% of monthly peach fiber. Wherein the fibrilia is one or more of hemp, flax, jute, kenaf, sisal, hibiscus hemp, ramie, bluish dogbane and apocynum venetum. The low-melting-point fiber is one or more of PLA fiber, PP fiber, ES fiber and PET bicomponent fiber. The ES fiber is of a sheath-core structure, the sheath is PE polyethylene, and the melting point range is 125-135 ℃; the core is PP polypropylene with a melting point range of 160-165 ℃. The PET bicomponent fiber sheath-core structure is characterized in that the sheath is PET polyester fiber, and the melting point is 110-120 ℃; the core is PET polyester fiber with a melting point of 260 ℃. The multilayer sheet may be selected to be composed of 3, 4 or more than 4 single-layer sheets 1, but should satisfy the requirement of composition difference between the single-layer sheets 1 of any two adjacent layers, for example: the first layer comprises the following components in percentage by weight: 50% of fibrilia and 50% of low-melting-point fiber, the other layer can be selected from the following layers: 80% of fibrilia and 20% of low-melting-point fiber; the method can also comprise the following steps: selecting the components of the first layer: 51-65% of fibrilia and 35-49% of low melting point fiber, and the other layer can be selected from: 55% -69% of fibrilia, 21% -30% of low-melting-point fiber and 10% -15% of monthly peach fiber, and the difference of the components also includes the selection of the type of the fibrilia and the selection of the type of the low-melting-point fiber. The performance of the single-layer board is determined by the components, so that the components of the layers are different, and the use requirements of different performances can be met.
Example 1
The environment-friendly multilayer composite board for home decoration is formed by compounding two single-layer boards 1 into a whole and coating a food-grade colored PE film on one surface. The first single-ply board 1 consists of 50% by weight of flax and 50% by weight of PLA fibres, and the second single-ply board consists of 80% by weight of flax and 20% by weight of PLA fibres.
The method for preparing the environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, then putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and finally performing cold rolling, cooling, film coating (220 ℃) and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 20 m/min; needling density: 30 thorn/cm2(ii) a Oven temperature: baking at 230 ℃ for: 5 min; the cold rolling temperature was 10 ℃.
The product is subjected to performance detection, has light weight, high hardness, good tensile property, environmental protection and no pollution; when the thickness is 0.2-5mm, the gram weight of the product can reach 100-500 g/m2The decorative material such as wallpaper, paint, coating and the like can be replaced, and the decorative material can be directly used in places such as walls, roofs and the like which need to be decorated; when the thickness is 8-250mm, the gram weight of the prepared environment-friendly plate can reach 1000-2It can be used as the material for house decoration (wall, partition board and decorative board for roof). In addition, the surface of the multilayer board is coated with the food-grade colored PE film, so that the product type can be arbitrarily selected during use, the product type is enriched, the product selectivity is provided, and the multilayer board is attractive and elegant, environment-friendly and pollution-free.
Example 2
The environment-friendly multilayer composite board for home decoration is formed by compounding three layers of single-layer boards 1 into a whole and coating PET films on two sides. The first single-layer board is composed of 60 wt% of jute and 40 wt% of PP fibers, the second single-layer board is composed of 70 wt% of kenaf and 30 wt% of ES fibers, the third single-layer board is composed of 55 wt% of sisal and 45 wt% of PET bicomponent fibers, the ES fibers are of a sheath-core structure, the sheath is PE polyethylene, and the melting point range is 125-plus 135 ℃; the core is PP polypropylene with a melting point range of 145-165 ℃. The PET double-component fiber sheath-core structure is characterized in that the sheath is a PE polyethylene fiber, and the melting point range is 125-135 ℃; the core is PET polyester fiber, and the melting point range is 260 ℃.
The method for preparing the environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, then putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and finally performing cold rolling, cooling, film coating (150 ℃), and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 1 m/min; needling density: 100 thorn/cm2(ii) a Oven temperature: baking at 170 ℃ for: 20 min; the cold rolling temperature was 0 ℃.
The product is subjected to performance detection, has light weight, high hardness, good tensile property, environmental protection and no pollution; when the thickness is 0.2-5mm, the gram weight of the product can reach 100-500 g/m2The decorative material such as wallpaper, paint, coating and the like can be replaced, and the decorative material can be directly used in places such as walls, roofs and the like which need to be decorated; when the thickness is 8-250mm, the gram weight of the prepared environment-friendly plate can reach 1000-2It can be used as the material for house decoration (wall, partition board and decorative board for roof). In addition, the PET film is coated on the surface of the multilayer board, so that the multilayer board has the advantages of good transparency, gloss, good air tightness and aroma retention, good stiffness, stable size, heat resistance, cold resistance, chemical resistance and oil resistance, environmental friendliness and no pollution.
Example 3
The environment-friendly multilayer composite board for home decoration is formed by compounding a single-side PP (polypropylene) coated film and four single-layer boards 1 into a whole. The first single-layer board consists of 62 percent of hemp fiber (flax, jute and kenaf in any ratio) and 38 percent of low-melting-point fiber (PLA fiber, PP fiber and ES fiber in any ratio), the second single-layer board consists of 68 percent of hemp fiber (ramie, hemp, hibiscus fiber, ramie and apocynum venetum) and 32 percent of low-melting-point fiber (PP fiber, ES fiber and PET bicomponent fiber) in any ratio, the third single-layer board consists of 72 percent of hemp fiber (kenaf, sisal and ramie) and 28 percent of low-melting-point fiber (PP fiber, ES fiber and PET fiber) in weight, and the fourth single-layer board consists of 50 percent of hemp fiber (sisal, ramie and hemp), 20 percent of low-melting-point fiber (PLA fiber + ES fiber + PET bicomponent fiber) and 30 percent of Alpinia speciosa fiber by weight percentage.
The method for preparing the environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, upward needling and downward needling the components according to the required proportion of single-layer plates to prepare single-layer initial plates, putting the single-layer initial plates in an oven in an up-and-down sequence for thermal bonding, and finally performing cold rolling, cooling, laminating (at 180 ℃) and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 8 m/min; needling density: 200 thorn/cm2(ii) a Oven temperature: baking at 210 ℃ for: 12 min; the cold rolling temperature was 20 ℃.
The product has the characteristics of light weight, high hardness, good tensile property, environmental protection, no pollution and the like, and also has the advantages of bacteriostasis, corrosion resistance, special fragrance, long service life and the like. When the thickness is 0.2-5mm, the gram weight of the product can reach 100-500 g/m2The decorative material such as wallpaper, paint, coating and the like can be replaced, and the decorative material can be directly used in places such as walls, roofs and the like which need to be decorated; when the thickness is 8-250mm, the gram weight of the prepared environment-friendly plate can reach 1000-2It can be used as the material for house decoration (wall, partition board and decorative board for roof). And when the outermost layer contains the Alpinia speciosa fibers, the antibacterial and antiseptic properties are better, and the special fragrance is very obvious. In addition, the surface of the multilayer board is coated with a PP film (polypropylene film), which is non-toxic, tasteless and denseSmall degree, good strength, rigidity, hardness, heat resistance, moisture resistance and chemical resistance, environmental protection and no pollution.
Example 4
The environment-friendly multilayer composite board for home decoration is formed by compounding a double-faced BOPP film and five layers of single-layer boards 1 into a whole. The first single-layer board consists of 70 wt% of hemp fiber (flax + jute + kenaf + sisal + ramie + hemp + hibiscus hemp + blue hemp + apocynum venetum), 25 wt% of low-melting-point fiber (PLA fiber + PP fiber + ES fiber + PET bicomponent fiber) and 5 wt% of monthly peach fiber, the second single-layer board consists of 63 wt% of hemp fiber (jute + red hemp + sisal + ramie + hemp + hibiscus hemp + blue hemp + apocynum venetum) and 37 wt% of low-melting-point fiber (PLA fiber + ES fiber + PET bicomponent fiber), the third single-layer board consists of 65 wt% of hemp fiber (flax + jute + kenaf + sisal + ramie + hibiscus hemp + blue hemp + bluish hemp + kend hemp + kenaf + kendir + 68 wt% of low-melting-point fiber (PLA fiber + PP fiber + ES fiber), and the fourth single-layer board consists of 68 wt% of hemp + jute + kenaf + kendir + ken Hemp) and 32% low-melting-point fibers (PP fibers + ES fibers + PET bicomponent fibers), the fifth single-layer board is composed of 55% by weight of hemp fibers (flax, + sisal hemp + kenaf + apocynum venetum), 25% by weight of low-melting-point fibers (PLA fibers + PP fibers + PET bicomponent fibers) and 20% by weight of monthly peach fibers.
The method for preparing the environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, then putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and finally performing cold rolling, cooling, film coating (at 200 ℃), and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 18 m/min; needling density:400 thorn/cm2(ii) a Oven temperature: baking at 210 ℃ for: 19 min; the cold rolling temperature was 25 ℃.
The product has the characteristics of light weight, high hardness, good tensile property, environmental protection, no pollution and the like, and also has the advantages of bacteriostasis, corrosion resistance, special fragrance, long service life and the like. When the thickness is 0.2-5mm, the gram weight of the product can reach 100-500 g/m2The decorative material such as wallpaper, paint, coating and the like can be replaced, and the decorative material can be directly used in places such as walls, roofs and the like which need to be decorated; when the thickness is 8-250mm, the gram weight of the prepared environment-friendly plate can reach 1000-2It can be used as the material for house decoration (wall, partition board and decorative board for roof). And when the outermost layer contains the Alpinia speciosa fibers, the antibacterial and antiseptic properties are better, and the special fragrance is very obvious. In addition, the BOPP film (biaxially oriented polypropylene film) is coated on the surface of the multilayer board, is colorless, odorless, tasteless and nontoxic, has high tensile strength, impact strength, rigidity, toughness and good transparency, and is environment-friendly and pollution-free.
Example 5
The environment-friendly multilayer composite board for home decoration is formed by compounding a single-sided covering OPP film and 10 layers of single-layer boards 1 into a whole, wherein the components of the single-layer boards of odd layers are the same, the components of the single-layer boards of even layers are the same, the single-layer boards of odd layers are composed of 75% by weight of flax and 25% by weight of PP fibers, and the single-layer boards of even layers are composed of 60% by weight of jute, 30% by weight of PLA fibers and 10% by weight of Alpinia speciosa fibers.
The method for preparing the environment-friendly multilayer composite board for home decoration comprises the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, then putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and finally performing cold rolling, cooling, film coating (230 ℃) and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein,the web forming speed is 8 m/min; needling density: 500 thorn/cm2(ii) a Oven temperature: baking at 180 ℃ for: 0.5 min; the cold rolling temperature was 30 ℃.
The product has the characteristics of light weight, high hardness, good tensile property, environmental protection, no pollution and the like, and also has the advantages of bacteriostasis, corrosion resistance, special fragrance, long service life and the like. When the thickness is 0.2-5mm, the gram weight of the product can reach 100-500 g/m2The decorative material such as wallpaper, paint, coating and the like can be replaced, and the decorative material can be directly used in places such as walls, roofs and the like which need to be decorated; when the thickness is 8-250mm, the gram weight of the prepared environment-friendly plate can reach 1000-2It can be used as the material for house decoration (wall, partition board and decorative board for roof). And when the interlayer contains the Alpinia speciosa fibers, the hardness and the elasticity can be effectively maintained, the antibacterial and anticorrosive performances are stable, the cost is greatly reduced, and the service life is longer. In addition, the surface of the multilayer board is coated with OPP (p-phenylphenol film), so that the multilayer board has the functions of sterilization and corrosion prevention, and is environment-friendly and pollution-free.
Claims (9)
1. The utility model provides an environment-friendly multilayer composite board for home decoration which characterized in that: is formed by compounding a multilayer board and a thermoplastic plastic film arranged on the surface of the multilayer board; the multilayer board is at least made by compounding two layers of single-layer boards into a whole, each single-layer board is selected from a first component and a second component, and the components of the two adjacent layers of single-layer boards are different; the component one consists of 50 to 80 weight percent of fibrilia and 20 to 50 weight percent of low-melting-point fiber; the second component consists of 50-80 wt% of fibrilia, 20-50 wt% of low-melting-point fiber and 0-30 wt% of moonberry fiber.
2. The environmentally-friendly multilayer composite board for home decoration according to claim 1, characterized in that: the component one consists of 60 to 75 weight percent of fibrilia and 25 to 40 weight percent of low-melting-point fiber; the second component comprises 55-70 wt% of fibrilia, 25-40 wt% of low-melting-point fiber and 5-20 wt% of monthly peach fiber.
3. The environmentally-friendly multilayer composite board for home decoration according to claim 1 or 2, characterized in that: the fibrilia is selected from hemp, flax, jute, kenaf, sisal, hibiscus hemp, ramie, bluish dogbane and apocynum venetum.
4. The environmentally-friendly multilayer composite board for home decoration according to claim 1 or 2, characterized in that: the low-melting-point fiber is one or more of PLA fiber, PP fiber, ES fiber and PET bicomponent fiber.
5. The environmentally-friendly multilayer composite board for home decoration according to claim 4, wherein: the ES fiber is of a sheath-core structure, the sheath is PE polyethylene, and the melting point range is 125-135 ℃; the core is PP polypropylene with a melting point range of 160-165 ℃.
6. The environmentally-friendly multilayer composite board for home decoration according to claim 4, wherein: the PET bicomponent fiber sheath-core structure is characterized in that the sheath is PET polyester fiber, and the melting point is 110-120 ℃; the core is PET polyester fiber with a melting point of 260 ℃.
7. The environmentally-friendly multilayer composite board for home decoration according to claim 1 or 2, characterized in that: the multilayer board is composed of 3 layers, 4 layers or more than 4 layers of single-layer boards.
8. The environmentally-friendly multilayer composite board for home decoration according to claim 1 or 2, characterized in that: the thermoplastic plastic film is selected from PE film, PET film, PP film, OPP film, BOPP film, EVA film and EAA film.
9. A method for preparing the environment-friendly multilayer composite board for home decoration according to claim 1, which is characterized by comprising the following steps: weighing, pre-opening, mixing, fine opening, automatically feeding cotton, pre-forming a net, air-forming a net, performing upper needling and lower needling on the components according to the required proportion of the single-layer plates to prepare single-layer initial plates, putting the single-layer initial plates in an oven in an up-down sequence for thermal bonding, and then performing cold rolling, cooling, film coating and cutting to obtain the environment-friendly multilayer plate; inspecting and packaging; wherein the web forming speed is 1-20 m/min; needling density: 30 to 500 spines/cm2(ii) a Oven temperature: 170 ℃ and 230 ℃, and drying time: 0.5min-20 min; the cold rolling temperature is 0-30 ℃, and the film covering temperature is 150-230 ℃.
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| CN110861567A (en) * | 2019-11-19 | 2020-03-06 | 江西江铃集团特种专用车有限公司 | Lightweight carriage plate |
| CN112936467A (en) * | 2021-03-11 | 2021-06-11 | 德华兔宝宝装饰新材股份有限公司 | Cabinet door plate and preparation method thereof |
| CN114789587A (en) * | 2021-12-31 | 2022-07-26 | 齐齐哈尔大学 | Short-cut fibrilia composite material sound-absorbing board and preparation method thereof |
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