CN111219031A - Anti-aging PVC decorative plate and production process thereof - Google Patents
Anti-aging PVC decorative plate and production process thereof Download PDFInfo
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- CN111219031A CN111219031A CN202010123107.0A CN202010123107A CN111219031A CN 111219031 A CN111219031 A CN 111219031A CN 202010123107 A CN202010123107 A CN 202010123107A CN 111219031 A CN111219031 A CN 111219031A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
- E04F13/0894—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with tongue and groove connections
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses an anti-aging PVC decorative plate which comprises a substrate, wherein one side of the substrate is provided with a splicing groove, a fixed groove is formed in the splicing groove, the other side of the substrate is provided with a splicing convex edge, and the lower end of the splicing convex edge is provided with a fixed convex edge; the upper surface of the substrate is provided with a printing layer, the upper surface of the printing layer is provided with a foaming layer, the upper surface of the foaming layer is provided with a protective layer, and the upper surface of the protective layer is provided with a glass fiber reinforced plastic paint layer; also discloses a production method of the anti-aging PVC decorative board.
Description
Technical Field
The invention belongs to the technical field of decorative plates, and particularly relates to an anti-aging PVC decorative plate and a production process thereof.
Background
Conventional interior wall coverings, such as paint, tile, wallpaper and panels, are relatively permanent once applied and, depending on the material selected, can require considerable time and expense to replace. Accordingly, consumers often choose durable, easily cleanable wall coverings to maximize usable life and minimize the need for re-decoration. The PVC decorative board has the characteristics of light weight, heat insulation, heat preservation, moisture resistance, flame retardance, simple and convenient construction and the like. The PVC decorative board has various specifications, colors and patterns and is extremely rich in decoration, can be applied to decoration of interior walls and suspended ceilings of rooms, and is one of the most widely applied decorative materials in plastic materials.
The decorative plate is required to have better aging resistance under the requirements of maximized service life and minimized reassembling requirement after installation, wherein the aging resistance comprises the aging resistance of the decorative plate substrate material and the aging resistance of patterns with decorative functions of the decorative plate; on the other hand, the decorative plate is often installed in a splicing mode in the installation process, and the existing decorative plate is inconvenient to install and splice.
Disclosure of Invention
The invention aims to provide an anti-aging PVC decorative plate and a production process thereof, and aims to solve the problems of aging resistance and splicing of the existing decorative plate.
In order to solve the technical problem, the invention aims to realize that:
an anti-aging PVC decorative plate comprises a substrate, wherein a splicing groove is formed in one side of the substrate, a fixed groove is formed in the splicing groove, a splicing convex edge is formed in the other side of the substrate, and a fixed convex edge is formed at the lower end of the splicing convex edge;
the upper surface of base plate is equipped with the printing layer, the printing layer upper surface is equipped with the foaming layer, the upper surface on foaming layer is equipped with the protective layer, the upper surface of protective layer is equipped with glass steel lacquer layer.
On the basis of the above scheme and as a preferable scheme of the scheme: and after the splicing convex ribs of the two adjacent substrates are clamped into the splicing grooves, the fixed convex ribs are embedded into the fixed grooves.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom of the splicing groove is arc-shaped; the outer end part of the splicing convex edge is arc-shaped.
On the basis of the above scheme and as a preferable scheme of the scheme: the glass fiber reinforced plastic paint layer is made of unsaturated resin paint.
On the basis of the above scheme and as a preferable scheme of the scheme: the protective layer is made of UV glue.
The production method of the aging-resistant PVC decorative board comprises the following steps
Processing a substrate: the material comprises, by weight, 4-6 parts of inorganic fiber, 100 parts of PVC, 90-95 parts of ethylene acrylate, 12-15 parts of bentonite, 4-6 parts of formyl peroxide, 2-4 parts of titanium dioxide, 7-9 parts of calcium oxide, 3-6 parts of alkyd resin, 15-26 parts of magnesium carbonate, 4-5 parts of dimethyl silicone oil, 3-6 parts of anion powder, 5-7 parts of paraffin, 2.3-4.2 parts of barium stearate, 1.1-1.8 parts of calcium stearate, 3-5 parts of a mold release agent and 2.1-2.4 parts of a coloring agent; vacuum heat treatment: performing heat treatment in vacuum medium with vacuum degree of 0.9Pa at 200 deg.C for 30min, and naturally cooling; molding: placing the mixture after heat treatment and cooling into a mold, placing the mold into a heat preservation box at 50-60 ℃, pressurizing by a press machine at 4-5Mpa, preserving heat for 3h, demolding to obtain a substrate, ventilating and airing the substrate, controlling the airing temperature at 30-40 ℃, and airing for 45 h;
processing of splicing grooves and splicing convex ribs: processing splicing grooves and splicing convex edges on two sides of the substrate by adopting corresponding milling cutters; further adopting corresponding milling cutters to respectively process a fixed groove and a fixed convex edge on the splicing groove and the splicing convex edge;
processing a printing layer: printing the processed substrate by adopting water-based ink; drying the substrate by a dryer after printing until the curing hardness of the ink reaches 50-60%, and taking out;
processing a foaming layer: printing on the printing layer by adopting foaming ink, wherein the foaming ink comprises 80-120 parts of ink, 30-70 parts of solvent and 1-20 parts of foaming agent in parts by mass;
processing a protective layer: coating UV glue on the upper surface of the foaming layer;
a glass fiber reinforced plastic paint layer: and (3) coating unsaturated resin paint on the upper surface of the protective layer, then moving the protective layer into a drying oven, arranging ultraviolet light in the drying oven, further curing the printing layer under the heating action of the drying oven and the irradiation of the ultraviolet light, completing foaming of the foaming layer, completing curing of the unsaturated resin paint, and completing curing of the UV glue.
On the basis of the above scheme and as a preferable scheme of the scheme: the material mixing step for processing the substrate further comprises the steps of putting PVC powder, titanium dioxide, calcium oxide, alkyd resin, magnesium carbonate, dimethyl silicon oil, anion powder, paraffin, barium stearate and calcium stearate into a stirrer to be stirred, controlling the stirring speed to be 720r/min and the stirring time to be 30min, adding the rest raw materials, stirring at the speed of 450r/min for 11min, controlling the temperature to be 110-120 ℃, preparing a mixture, and then carrying out heat treatment on the mixture.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: 1. in the aspect of the splicing installation, the splicing grooves and the splicing convex ribs are arranged, and meanwhile, the fixed convex ribs and the fixed grooves are arranged, so that the decorative plate is connected more conveniently and quickly, and the connection stability is good.
2. In the aspect of the pattern ageing-resistant, through the third dimension and the painted thickness of the pattern of setting up the increase of printing layer and foaming layer, the combination of protective layer and glass steel lacquer layer can be better protects printing layer and foaming layer, and the ultraviolet ray in the reflection of maximize on the one hand and the absorption sunshine, on the other hand with printing layer and foaming layer and external isolated completely, avoid it to receive the erosion of external environment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a printing layer, a foaming layer, a protective layer and a glass fiber reinforced plastic paint layer.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Example one
An anti-aging PVC decorative plate comprises a substrate 1, wherein one side of the substrate 1 is provided with a splicing groove 2, a fixed groove 4 is arranged inside the splicing groove 2, the other side of the substrate 1 is provided with a splicing convex edge 3, and the lower end of the splicing convex edge 3 is provided with a fixed convex edge 5; the upper surface of base plate 1 is equipped with printing layer 6, 6 upper surfaces of printing layer are equipped with foaming layer 7, the upper surface of foaming layer 7 is equipped with protective layer 8, the upper surface of protective layer 8 is equipped with glass steel lacquer layer 9.
Specifically, adjacent two base plate 1 the concatenation bead 3 card is gone into behind the splice groove 2, fixed bead 5 embedding in fixed recess 4, alright realize the connection of two PVC decorative boards like this. Further preferably, the bottom 21 of the splicing groove 2 is arc-shaped; outer tip 31 of concatenation bead 3 is circular-arc, and circular-arc setting more does benefit to the smooth and easy concatenation between the PVC decorative board, avoids comparatively sharp acute angle fish tail or bumps other article simultaneously.
Preferably, the material of the glass fiber reinforced plastic paint layer 11 is unsaturated resin paint, and the material of the protective layer 8 is UV glue, so that the glass fiber reinforced plastic paint is more environment-friendly, and the release of toxic and harmful gases is reduced.
Example two
The production method of the aging-resistant PVC decorative board comprises the following steps
Processing a substrate: the coating comprises the following ingredients, by weight, 4 parts of inorganic fiber, 100 parts of PVC, 90 parts of ethylene acrylate, 12 parts of starch modified bentonite, 4 parts of formyl peroxide, 2 parts of titanium dioxide, 7 parts of calcium oxide, 3 parts of alkyd resin, 15 parts of magnesium carbonate, 4 parts of dimethyl silicone oil, 3 parts of anion powder, 5 parts of paraffin, 2.3 parts of barium stearate, 1.1 parts of calcium stearate, 3 parts of a release agent and 2.1 parts of a coloring agent; then, putting PVC powder, titanium dioxide, calcium oxide, alkyd resin, magnesium carbonate, dimethyl silicone oil, anion powder, paraffin, barium stearate and calcium stearate into a stirrer for stirring, controlling the stirring speed to be 720r/min and the stirring time to be 30min, adding the rest raw materials, stirring for 11min at the speed of 450r/min, controlling the temperature to be 110-120 ℃, preparing a mixture, and then carrying out heat treatment and vacuum heat treatment on the mixture: performing heat treatment in vacuum medium with vacuum degree of 0.9Pa at 200 deg.C for 30min, and naturally cooling; molding: placing the mixture after heat treatment and cooling into a mold, placing the mold into a heat preservation box at 50-60 ℃, pressurizing by a press machine at 4-5Mpa, preserving heat for 3h, demolding to obtain a substrate, ventilating and airing the substrate, controlling the airing temperature at 30-40 ℃, and airing for 45 h.
Processing of splicing grooves and splicing convex ribs: processing splicing grooves and splicing convex edges on two sides of the substrate by adopting corresponding milling cutters; and further adopting corresponding milling cutters to process a fixed groove and a fixed convex edge on the splicing groove and the splicing convex edge respectively.
Processing a printing layer: printing the processed substrate by adopting water-based ink; and after printing, drying the substrate by a dryer until the curing hardness of the ink reaches 50-60%, and taking out.
Processing a foaming layer: printing is carried out on the printing layer by adopting foaming ink, wherein the foaming ink comprises 80-120 parts of ink, 30-70 parts of solvent and 1-20 parts of foaming agent according to parts by mass.
Processing a protective layer: and coating UV glue on the upper surface of the foaming layer.
A glass fiber reinforced plastic paint layer: and (3) coating unsaturated resin paint on the upper surface of the protective layer, then moving the protective layer into a drying oven, arranging ultraviolet light in the drying oven, further curing the printing layer under the heating action of the drying oven and the irradiation of the ultraviolet light, completing foaming of the foaming layer, completing curing of the unsaturated resin paint, and completing curing of the UV glue. It should be noted that, in the final curing process, since the printing layer is not completely cured, the foaming layer is not completely foamed, and the protective layer and the glass fiber reinforced plastic paint layer are both cured, curing and foaming are respectively started under the action of the oven and the ultraviolet light, on one hand, strong bonding force can be provided between each layer, and the weather resistance and the aging resistance of the surface layer of the substrate are improved; on the other hand, the protective layer and the glass fiber reinforced plastic paint layer are not completely cured in the foaming process of the foaming layer, so that the foaming layer can have enough deformation space, and obvious concave-convex hand feeling can be formed on the surface of the glass fiber reinforced plastic paint layer after curing; on the other hand, compared with the prior art that drying and curing are needed after each coating is finished, the coating machine saves more energy and saves processing time.
EXAMPLE III
The production method of the aging-resistant PVC decorative board comprises the following steps
Processing a substrate: the paint comprises the following components, by weight, 5 parts of inorganic fiber, 100 parts of PVC, 92 parts of ethylene acrylate, 14 parts of starch modified bentonite, 5 parts of formyl peroxide, 3 parts of titanium dioxide, 8 parts of calcium oxide, 5 parts of alkyd resin, 20 parts of magnesium carbonate, 4.5 parts of dimethyl silicone oil, 5 parts of anion powder, 6 parts of paraffin, 3.3 parts of barium stearate, 1.5 parts of calcium stearate, 4 parts of a release agent and 2.2 parts of a coloring agent; then, putting PVC powder, titanium dioxide, calcium oxide, alkyd resin, magnesium carbonate, dimethyl silicone oil, anion powder, paraffin, barium stearate and calcium stearate into a stirrer for stirring, controlling the stirring speed to be 720r/min and the stirring time to be 30min, adding the rest raw materials, stirring for 11min at the speed of 450r/min, controlling the temperature to be 110-120 ℃, preparing a mixture, and then carrying out heat treatment and vacuum heat treatment on the mixture: performing heat treatment in vacuum medium with vacuum degree of 0.9Pa at 200 deg.C for 30min, and naturally cooling; molding: placing the mixture after heat treatment and cooling into a mold, placing the mold into a heat preservation box at 50-60 ℃, pressurizing by a press machine at 4-5Mpa, preserving heat for 3h, demolding to obtain a substrate, ventilating and airing the substrate, controlling the airing temperature at 30-40 ℃, and airing for 45 h.
Processing of splicing grooves and splicing convex ribs: processing splicing grooves and splicing convex edges on two sides of the substrate by adopting corresponding milling cutters; and further adopting corresponding milling cutters to process a fixed groove and a fixed convex edge on the splicing groove and the splicing convex edge respectively.
Processing a printing layer: printing the processed substrate by adopting water-based ink; and after printing, drying the substrate by a dryer until the curing hardness of the ink reaches 50-60%, and taking out.
Processing a foaming layer: printing is carried out on the printing layer by adopting foaming ink, wherein the foaming ink comprises 80-120 parts of ink, 30-70 parts of solvent and 1-20 parts of foaming agent according to parts by mass.
Processing a protective layer: and coating UV glue on the upper surface of the foaming layer.
A glass fiber reinforced plastic paint layer: and (3) coating unsaturated resin paint on the upper surface of the protective layer, then moving the protective layer into a drying oven, arranging ultraviolet light in the drying oven, further curing the printing layer under the heating action of the drying oven and the irradiation of the ultraviolet light, completing foaming of the foaming layer, completing curing of the unsaturated resin paint, and completing curing of the UV glue. It should be noted that, in the final curing process, since the printing layer is not completely cured, the foaming layer is not completely foamed, and the protective layer and the glass fiber reinforced plastic paint layer are both cured, curing and foaming are respectively started under the action of the oven and the ultraviolet light, on one hand, strong bonding force can be provided between each layer, and the weather resistance and the aging resistance of the surface layer of the substrate are improved; on the other hand, the protective layer and the glass fiber reinforced plastic paint layer are not completely cured in the foaming process of the foaming layer, so that the foaming layer can have enough deformation space, and obvious concave-convex hand feeling can be formed on the surface of the glass fiber reinforced plastic paint layer after curing; on the other hand, compared with the prior art that drying and curing are needed after each coating is finished, the coating machine saves more energy and saves processing time.
Example four
The production method of the aging-resistant PVC decorative board comprises the following steps
Processing a substrate: the paint comprises the following components, by weight, 6 parts of inorganic fiber, 100 parts of PVC, 95 parts of ethylene acrylate, 15 parts of starch modified bentonite, 6 parts of formyl peroxide, 4 parts of titanium dioxide, 9 parts of calcium oxide, 6 parts of alkyd resin, 26 parts of magnesium carbonate, 5 parts of dimethyl silicone oil, 6 parts of anion powder, 7 parts of paraffin, 4.2 parts of barium stearate, 1.8 parts of calcium stearate, 5 parts of a release agent and 2.4 parts of a coloring agent; then, putting PVC powder, titanium dioxide, calcium oxide, alkyd resin, magnesium carbonate, dimethyl silicone oil, anion powder, paraffin, barium stearate and calcium stearate into a stirrer for stirring, controlling the stirring speed to be 720r/min and the stirring time to be 30min, adding the rest raw materials, stirring for 11min at the speed of 450r/min, controlling the temperature to be 110-120 ℃, preparing a mixture, and then carrying out heat treatment and vacuum heat treatment on the mixture: performing heat treatment in vacuum medium with vacuum degree of 0.9Pa at 200 deg.C for 30min, and naturally cooling; molding: placing the mixture after heat treatment and cooling into a mold, placing the mold into a heat preservation box at 50-60 ℃, pressurizing by a press machine at 4-5Mpa, preserving heat for 3h, demolding to obtain a substrate, ventilating and airing the substrate, controlling the airing temperature at 30-40 ℃, and airing for 45 h.
Processing of splicing grooves and splicing convex ribs: processing splicing grooves and splicing convex edges on two sides of the substrate by adopting corresponding milling cutters; and further adopting corresponding milling cutters to process a fixed groove and a fixed convex edge on the splicing groove and the splicing convex edge respectively.
Processing a printing layer: printing the processed substrate by adopting water-based ink; and after printing, drying the substrate by a dryer until the curing hardness of the ink reaches 50-60%, and taking out.
Processing a foaming layer: printing is carried out on the printing layer by adopting foaming ink, wherein the foaming ink comprises 80-120 parts of ink, 30-70 parts of solvent and 1-20 parts of foaming agent according to parts by mass.
Processing a protective layer: and coating UV glue on the upper surface of the foaming layer.
A glass fiber reinforced plastic paint layer: and (3) coating unsaturated resin paint on the upper surface of the protective layer, then moving the protective layer into a drying oven, arranging ultraviolet light in the drying oven, further curing the printing layer under the heating action of the drying oven and the irradiation of the ultraviolet light, completing foaming of the foaming layer, completing curing of the unsaturated resin paint, and completing curing of the UV glue. It should be noted that, in the final curing process, since the printing layer is not completely cured, the foaming layer is not completely foamed, and the protective layer and the glass fiber reinforced plastic paint layer are both cured, curing and foaming are respectively started under the action of the oven and the ultraviolet light, on one hand, strong bonding force can be provided between each layer, and the weather resistance and the aging resistance of the surface layer of the substrate are improved; on the other hand, the protective layer and the glass fiber reinforced plastic paint layer are not completely cured in the foaming process of the foaming layer, so that the foaming layer can have enough deformation space, and obvious concave-convex hand feeling can be formed on the surface of the glass fiber reinforced plastic paint layer after curing; on the other hand, compared with the prior art that drying and curing are needed after each coating is finished, the coating machine saves more energy and saves processing time.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. An ageing-resistant PVC decorative board, includes base plate (1), its characterized in that: a splicing groove (2) is formed in one side of the substrate (1), a fixed groove (4) is formed in the splicing groove (2), a splicing convex edge (3) is formed in the other side of the substrate (1), and a fixed convex edge (5) is formed at the lower end of the splicing convex edge (3);
the upper surface of base plate (1) is equipped with printing layer (6), printing layer (6) upper surface is equipped with foaming layer (7), the upper surface of foaming layer (7) is equipped with protective layer (8), the upper surface of protective layer (8) is equipped with glass steel paint layer (9).
2. An aging-resistant PVC decorative sheet according to claim 1, wherein: the splicing convex edges (3) of the two adjacent substrates (1) are clamped into the splicing grooves (2), and the fixed convex edges (5) are embedded into the fixed grooves (4).
3. An aging-resistant PVC decorative sheet according to claim 1, wherein: the bottom (21) of the splicing groove (2) is arc-shaped; the outer end part (31) of the splicing convex rib (3) is arc-shaped.
4. An aging-resistant PVC decorative sheet according to claim 1, wherein: the glass fiber reinforced plastic paint layer (11) is made of unsaturated resin paint.
5. An aging-resistant PVC decorative sheet according to claim 1, wherein: the protective layer (8) is made of UV glue.
6. A production method of an anti-aging PVC decorative plate is characterized by comprising the following steps: comprises the following steps
Processing a substrate: the material comprises, by weight, 4-6 parts of inorganic fiber, 100 parts of PVC, 90-95 parts of ethylene acrylate, 12-15 parts of bentonite, 4-6 parts of formyl peroxide, 2-4 parts of titanium dioxide, 7-9 parts of calcium oxide, 3-6 parts of alkyd resin, 15-26 parts of magnesium carbonate, 4-5 parts of dimethyl silicone oil, 3-6 parts of anion powder, 5-7 parts of paraffin, 2.3-4.2 parts of barium stearate, 1.1-1.8 parts of calcium stearate, 3-5 parts of a mold release agent and 2.1-2.4 parts of a coloring agent; vacuum heat treatment: performing heat treatment in vacuum medium with vacuum degree of 0.9Pa at 200 deg.C for 30min, and naturally cooling; molding: placing the mixture after heat treatment and cooling into a mold, placing the mold into a heat preservation box at 50-60 ℃, pressurizing by a press machine at 4-5Mpa, preserving heat for 3h, demolding to obtain a substrate, ventilating and airing the substrate, controlling the airing temperature at 30-40 ℃, and airing for 45 h;
processing of splicing grooves and splicing convex ribs: processing splicing grooves and splicing convex edges on two sides of the substrate by adopting corresponding milling cutters; further adopting corresponding milling cutters to respectively process a fixed groove and a fixed convex edge on the splicing groove and the splicing convex edge;
processing a printing layer: printing the processed substrate by adopting water-based ink; drying the substrate by a dryer after printing until the curing hardness of the ink reaches 50-60%, and taking out;
processing a foaming layer: printing on the printing layer by adopting foaming ink, wherein the foaming ink comprises 80-120 parts of ink, 30-70 parts of solvent and 1-20 parts of foaming agent in parts by mass;
processing a protective layer: coating UV glue on the upper surface of the foaming layer;
a glass fiber reinforced plastic paint layer: and (3) coating unsaturated resin paint on the upper surface of the protective layer, then moving the protective layer into a drying oven, arranging ultraviolet light in the drying oven, further curing the printing layer under the heating action of the drying oven and the irradiation of the ultraviolet light, completing foaming of the foaming layer, completing curing of the unsaturated resin paint, and completing curing of the UV glue.
7. An aging-resistant PVC decorative sheet according to claim 6, wherein: the material mixing step for processing the substrate further comprises the steps of putting PVC powder, titanium dioxide, calcium oxide, alkyd resin, magnesium carbonate, dimethyl silicon oil, anion powder, paraffin, barium stearate and calcium stearate into a stirrer to be stirred, controlling the stirring speed to be 720r/min and the stirring time to be 30min, adding the rest raw materials, stirring at the speed of 450r/min for 11min, controlling the temperature to be 110-120 ℃, preparing a mixture, and then carrying out heat treatment on the mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123107.0A CN111219031A (en) | 2020-02-27 | 2020-02-27 | Anti-aging PVC decorative plate and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123107.0A CN111219031A (en) | 2020-02-27 | 2020-02-27 | Anti-aging PVC decorative plate and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111219031A true CN111219031A (en) | 2020-06-02 |
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| CN202010123107.0A Pending CN111219031A (en) | 2020-02-27 | 2020-02-27 | Anti-aging PVC decorative plate and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513095A (en) * | 2021-06-05 | 2021-10-19 | 青岛鑫天宇节能工程有限公司 | Fireproof heat-insulation plate and construction method |
| CN113930098A (en) * | 2021-10-29 | 2022-01-14 | 广东天元汇邦新材料股份有限公司 | Three-dimensional relief paint paper with aldehyde-purifying antibacterial function and preparation method thereof |
-
2020
- 2020-02-27 CN CN202010123107.0A patent/CN111219031A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513095A (en) * | 2021-06-05 | 2021-10-19 | 青岛鑫天宇节能工程有限公司 | Fireproof heat-insulation plate and construction method |
| CN113513095B (en) * | 2021-06-05 | 2023-01-10 | 青岛鑫天宇节能工程有限公司 | Fireproof heat-insulation plate and construction method |
| CN113930098A (en) * | 2021-10-29 | 2022-01-14 | 广东天元汇邦新材料股份有限公司 | Three-dimensional relief paint paper with aldehyde-purifying antibacterial function and preparation method thereof |
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