WO2020007253A1 - 一种spc板及其制备方法 - Google Patents

一种spc板及其制备方法 Download PDF

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Publication number
WO2020007253A1
WO2020007253A1 PCT/CN2019/094129 CN2019094129W WO2020007253A1 WO 2020007253 A1 WO2020007253 A1 WO 2020007253A1 CN 2019094129 W CN2019094129 W CN 2019094129W WO 2020007253 A1 WO2020007253 A1 WO 2020007253A1
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WIPO (PCT)
Prior art keywords
parts
weight ratio
temperature
press
zone
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PCT/CN2019/094129
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English (en)
French (fr)
Inventor
雷响
杨晓刚
宣莹
彭玉春
高长松
何银
丁玮
Original Assignee
安徽扬子地板股份有限公司
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Publication of WO2020007253A1 publication Critical patent/WO2020007253A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • 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
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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

Definitions

  • the present invention relates to the technical field of building materials, and in particular, to an SPC board and a preparation method thereof.
  • SPC flooring (Stone plactic composite) is a new type of environmentally friendly flooring, which has the advantages of zero formaldehyde, mildew resistance, moisture resistance, fire resistance, insect resistance, and simple installation.
  • 5 Some stone plastic substrate layers, color film layers, wear-resistant layers and paint layers are arranged in sequence from bottom to top in some SPC floor structures, and the stone-plastic substrate layers, color film layers and wear-resistant layers are formed by embossing rollers.
  • the floor surface is composed of a PVC color film and a wear-resistant layer made of PVC. Due to the soft nature of the PVC material, it is not resistant to scratches and is prone to scratches.
  • the surface of the PVC film is not smooth, so the surface of most SPC floors on the market is It is a matte surface, and the surface is less shiny.
  • a protective paint is needed on the surface, but the paint cannot fundamentally solve the problems of wear resistance, scratch resistance, and pollution resistance.
  • a first object of the present invention is to provide an SP C board that is scratch-resistant, stain-resistant, abrasion-resistant, and capable of releasing negative ions to purify the air.
  • a second object of the present invention is to provide a method for preparing an SPC board for scratch-resistant, stain-resistant, wear-resistant, and capable of releasing negative ions to purify air.
  • the present invention provides an SPC board.
  • the base material layer of the SPC board is prepared by mixing raw materials with the following weight ratios, and then heating, stretching, pressing, palletizing, and forming embryos.
  • Press molding 100 to 120 parts by weight of PVC composite material, 300 to 400 parts by weight of heavy calcium carbonate powder, 40 to 55 parts by weight of abrasive powder, 5 to 8 parts by weight of calcium zinc stabilizer , 0.7 to 1 part by weight of PVC internal and external lubricants, 3 to 6 parts by weight of modifier chlorinated polyethylene, 2 to 4 parts by weight of modifier ACR, 1 to 1.5 Parts by weight of PVC lubricant modifier, 0.6 to 0.8 parts by weight of new microcrystalline wax, 1.5 to 2 parts by weight of mineral tourmaline powder.
  • a preferred solution is that the weight ratio of the PVC composite material is 100 parts, the weight ratio of the heavy calcium carbonate powder is 300 parts, the weight ratio of the abrasive powder is 40 parts, and the weight ratio of the calcium-zinc stabilizer is 5 parts.
  • the weight ratio of PVC internal and external lubricant is 0.7 parts
  • the weight ratio of modifier chlorinated polyethylene is 3 parts
  • the weight ratio of modifier ACR is 2 parts
  • the weight ratio of PVC lubricant modifier is 1 part
  • new The weight ratio of microcrystalline wax was 0.6 parts
  • the weight ratio of mineral tourmaline powder was 1.5 parts.
  • a preferred solution is that the weight ratio of the PVC composite material is 120 parts, the weight ratio of the heavy calcium carbonate powder is 400 parts, the weight ratio of the abrasive powder is 55 parts, and the weight ratio of the calcium-zinc stabilizer is 8 parts.
  • the weight ratio of PVC internal and external lubricant is 1 part, the weight ratio of modifier chlorinated polyethylene is 6 parts, the weight ratio of modifier ACR is 4 parts, the weight ratio of PVC lubricant modifier is 1.5 parts, new The weight ratio of microcrystalline wax was 0.8 parts, and the weight ratio of mineral tourmaline powder was 2 parts.
  • a preferred solution is that the weight ratio of the PVC composite material is 110 parts, the weight ratio of the heavy calcium carbonate powder is 350 parts, the weight ratio of the abrasive powder is 48 parts, and the weight ratio of the calcium-zinc stabilizer is 7 parts.
  • the weight ratio of PVC internal and external lubricant is 1.3 parts, the weight ratio of modifier chlorinated polyethylene is 5 parts, the weight ratio of modifier ACR is 3 parts, the weight ratio of PVC lubricant modifier is 1.3 parts, new The weight ratio of microcrystalline wax was 0.7 parts, and the weight ratio of mineral tourmaline powder was 1.8 parts.
  • a preferred solution is that the upper end surface of the substrate layer is provided with an upper group embryo, and the lower end surface of the substrate layer is provided with a lower group embryo.
  • the present invention provides a method for preparing an SPC board.
  • the SPC board includes a substrate layer, an upper group embryo, and a lower group embryo.
  • the upper end surface of the substrate layer is provided with an upper group embryo and a base.
  • the lower end surface of the material layer is provided with a lower group embryo.
  • the preparation method includes the following steps: mixing the raw materials of the base material layer; heating the mixed raw materials through a temperature control zone, and the temperature control zone is provided with a first zone, a second zone, and a first zone;
  • the third zone, the fourth zone, and the fifth zone the temperature of the first zone is 189 ° C to 205 ° C, the temperature of the second zone is 180 ° C to 205 ° C, and the temperature of the third zone is 170 ° C to 190 ° C, the temperature in the fourth zone is 160 ° C to 185 ° C, the temperature in the fifth zone is 170 ° C to 1 85 ° C;
  • the heated raw material is stretched out through the mold setting;
  • the raw materials after being stretched out are pressed and shaped;
  • the raw materials after the pressing and shaping are shaped and cut to obtain a base material layer, and stacked and maintained by a stacking robot;
  • the upper and lower embryos are respectively grouped into the base material layer
  • a preferred solution is that the weight ratio of the PVC composite material is 100 parts, the weight ratio of the heavy calcium carbonate powder is 300 parts, the weight ratio of the abrasive powder is 40 parts, and the weight ratio of the calcium-zinc stabilizer is 5 parts.
  • the weight ratio of PVC internal and external lubricant is 0.7 parts
  • the weight ratio of modifier chlorinated polyethylene is 3 parts
  • the weight ratio of modifier ACR is 2 parts
  • the weight ratio of PVC lubricant modifier is 1 part
  • new The weight ratio of microcrystalline wax is 0.6 parts
  • the weight ratio of mineral tourmaline powder is 1.5 parts.
  • the temperature in the first zone is 189 ° C
  • the temperature in the second zone is 180 ° C
  • the temperature in the third zone is 170 ° C
  • the temperature in the fourth zone is 160 ° C
  • the temperature in the fifth zone is 170 ° C.
  • a preferred solution is that the weight ratio of the PVC composite material is 120 parts, the weight ratio of the heavy calcium carbonate powder is 400 parts, the weight ratio of the abrasive powder is 55 parts, and the weight ratio of the calcium-zinc stabilizer is 8 parts. 1.
  • the weight ratio of PVC internal and external lubricant is 1 part, the weight ratio of modifier chlorinated polyethylene is 6 parts, the weight ratio of modifier ACR is 4 parts, the weight ratio of PVC lubricant modifier is 1.5 parts, new
  • the weight ratio of microcrystalline wax is 0.8 parts, and the weight ratio of mineral tourmaline powder is 2 parts; the temperature in the first zone is 205 ° C, the temperature in the second zone is 205 ° C, and the temperature in the third zone is 190 ° C The temperature in the fourth zone is 185 ° C, and the temperature in the fifth zone is 185 ° C.
  • a preferred solution is that the weight ratio of the PVC composite material is 110 parts, the weight ratio of the heavy calcium carbonate powder is 350 parts, the weight ratio of the abrasive powder is 48 parts, and the weight ratio of the calcium-zinc stabilizer is 7 parts.
  • the weight ratio of PVC internal and external lubricant is 1.3 parts, the weight ratio of modifier chlorinated polyethylene is 5 parts, the weight ratio of modifier ACR is 3 parts, the weight ratio of PVC lubricant modifier is 1.3 parts, new The weight ratio of microcrystalline wax is 0.7 parts, and the weight ratio of mineral tourmaline powder is 1.8 parts.
  • the temperature in the first zone is 195 ° C
  • the temperature in the second zone is 190 ° C
  • the temperature in the third zone is 182 ° C.
  • the temperature in the fourth zone is 179 ° C
  • the temperature in the fifth zone is 180 ° C.
  • a preferred solution is that an upper melamine balance paper, a first upper polyurethane adhesive layer, an upper SPC substrate layer, a second upper polyurethane adhesive layer, and an upper melamine surface layer are sequentially arranged above the upper group embryo.
  • Lower melamine surface decoration paper, lower first polyurethane adhesive layer, lower SPC substrate layer, second lower polyurethane adhesive layer, lower melamine balance paper are arranged in order below the lower melamine; lower melamine surface layer
  • the decoration glue of the decorative paper is modified melamine.
  • the formaldehyde release of the lower surface melamine decorative paper is Sl.5mg / L.
  • the lower melamine surface decorative paper is dipped in 180%.
  • the lower melamine surface decorative paper is The volatile content is 7%, the pre-curing degree of the lower melamine surface decoration paper is 60%, the lower melamine surface decoration paper has 4% moisture, and the lower melamine surface decoration
  • the ash content of the paper is 26%, the tensile strength of the lower melamine surface decorative paper is 230N, the wet tensile strength of the lower melamine surface decorative paper is 28N, and the abrasion resistance of the lower melamine surface decorative paper is 238g / m 2 ;
  • the lower polyurethane adhesive layer and the second lower polyurethane adhesive layer are obtained by double-sidedly coating modified polyurethane glue after being stretched and stretched on plain base paper.
  • the first lower polyurethane adhesive layer and the second lower polyurethane adhesive layer are obtained.
  • the glue coating amount of the adhesive layer is 150 to 180 g / m 2 , and the paper shrinkage of the first lower polyurethane adhesive layer and the second lower polyurethane adhesive layer is 3%; the thickness of the lower SPC substrate layer It is 4mm to 6mm.
  • the glue of the decorative paper on the bottom melamine decorative paper is modified melamine glue.
  • the formaldehyde release of the paper is .5mg / L, the dipping amount is 120%, the volatile content is 7%, the pre-curing degree is 50%, and the water 4%, ash 26%, tensile strength 225N, wet tensile strength 26N;
  • the glue of the lower melamine balanced paper is modified melamine glue
  • the formaldehyde release of the lower melamine balanced paper is Sl.5mg / L
  • the dipping amount of the balance paper is 120%, the next three
  • the melamine balance paper has a volatile content of 7%, the lower melamine balance paper has a pre-curing degree of 50%, the lower melamine balance paper has a moisture content of 4%, the lower melamine balance paper has an ash content of 26%, and the lower melamine is
  • the tensile strength of the balanced paper is 225N, and the wet tensile strength of the lower melamine balanced paper is 26N.
  • the temperature control zone is set to five, the temperature of the first zone of the temperature control zone is 189 ° C to 205 ° C, and the temperature of the second zone of the temperature control zone is 180 ° C to 205 ° C, The temperature of the third zone of the temperature control zone is 170 ° C to 190 ° C, the temperature of the fourth zone of the temperature control zone is 160 ° C to 185 ° C, and the temperature of the fifth zone of the temperature control zone is 170. (: To 185.
  • the stepwise heating is set to the first stage, the second stage, the third stage, and the fourth stage; the temperature of the first stage is 0 ° C to 40 ° C.
  • the press maintains a holding pressure of 60S, and the pressure of the press is 6Mpa to lOMpa; the temperature of the second stage of heating is 60 ° C to 80 ° C, when the press is heating up in the second stage, the temperature of the press stops rising when the temperature reaches the set temperature, the press maintains a holding state of 60S, and the pressure of the press is 8Mpa to 12Mpa; The temperature is 100 ° C to 120 ° C.
  • the pressure of the press is lOMpa to 13Mpa, and the holding time of the press is 300S.
  • Fourth The temperature of the stage heating is 130 ° C to 150 ° C.
  • the pressure of the press is 13Mpa to 15Mpa, and the holding time of the press is 300S. .
  • the stepwise cooling is set to the first stage cooling, the second stage cooling, and the third stage cooling; when the press performs the first stage cooling, the temperature of the press decreases to 100 ° C to 120 ° C, The pressure of the press is reduced to 8Mpa to 12Mpa , The pressure holding time of the press is 350S; when the press performs the second stage of temperature reduction, the temperature of the press drops to 60 ° C to 80 ° C, the pressure of the press decreases to 6Mpa to lOMpa, and the pressure holding time of the press is 200S; When the press is in the third stage of temperature reduction, the temperature of the press drops to 0 ° C to 40 ° C, the pressure of the press decreases to OMpa, and the holding time of the press is 300S.
  • the base material layer used in the SPC board of the present invention can effectively reduce the warpage and shrinkage of the SPC board. Since the base material layer is added with mineral tourmaline powder, negative ions can be continuously released to purify the air, and the bright surface product is resistant to The abrasive test value reaches 5000r, scratch resistance 4N is not damaged, and pollution resistance is no pollution.
  • the base material layer can effectively reduce the warpage and shrinkage of the SPC board. Due to the addition of mineral tourmaline powder, the base material layer can continuously release negative ions to purify the air, and the wear resistance test value of the bright surface product reaches 5000r, Scratch-resistant 4N is not damaged, and is resistant to contamination. Segmented hot pressing and cooling ensure the full melting of the glue used, and also improve the wear resistance, scratch resistance, pollution resistance and other properties of the product.
  • the surface gloss can be controlled at 80-9 5 °, making the surface texture clear. And wear resistance is better.
  • FIG. 1 is a structural cross-sectional view of a first embodiment of an SPC board according to the present invention.
  • FIG. 2 is a flowchart of a first embodiment of a method for preparing an SPC board according to the present invention.
  • FIG. 3 is a chart of test results of three test samples of the first embodiment of the method for preparing an SPC board of the present invention.
  • FIG. 4 is a chart of test results of three test samples of the second embodiment of the method for preparing an SPC board of the present invention.
  • FIG. 5 is a chart of test results of three test samples of the third embodiment of the method for preparing an SPC board of the present invention.
  • the SPC board 10 of this embodiment includes a substrate layer 1, an upper group embryo 2 and a lower group embryo 3, and an upper layer of the substrate layer
  • An upper group embryo 2 is provided on the end surface
  • a lower group embryo 3 is provided on the lower end surface of the substrate layer 1
  • the upper group embryo 2 includes an upper melamine balance paper 21, which is arranged in order, along a direction perpendicular to the extending direction of the SPC board 10 and upward.
  • the first upper polyurethane adhesive layer 22, the upper SPC substrate layer 23, the second upper polyurethane adhesive layer 24, the upper melamine surface decorative paper 25, and the upper melamine balancing paper 21 pass through the first upper polyurethane adhesive layer 22
  • the upper end surface of the upper SPC base material layer 23 is adhered, and the upper melamine surface decorative paper 25 is adhered to the upper end surface of the upper SPC base material layer 23 through a second upper polyurethane adhesive layer 24.
  • the lower group embryo 3 includes a lower melamine surface layer decorative paper 31, a first lower polyurethane adhesive layer 32, a lower SPC substrate layer 33,
  • the second lower polyurethane adhesive layer 34, the lower melamine balance paper 35, the lower melamine surface decorative paper 31 are adhered to the upper end surface of the lower SPC substrate layer 33 through the first lower polyurethane adhesive layer 32, and the lower melamine balance paper 35
  • the second lower polyurethane adhesive layer 34 is adhered to the lower end surface of the lower SPC base material layer 33.
  • the glue for making the lower melamine surface decoration paper 31 is modified melamine glue.
  • the formaldehyde release is .5mg / L.
  • the dipping of the lower melamine surface decoration paper 31 The amount is 180%, the volatile content of the lower melamine surface decorative paper 31 is 7%, the pre-curing degree of the lower melamine surface decorative paper 31 is 60%, and the moisture content of the lower melamine surface decorative paper 31 is 4%.
  • the ash content of the melamine surface decorative paper 31 is 26%
  • the tensile strength of the lower melamine surface decorative paper 31 is 230N
  • the wet tensile strength of the lower melamine surface decorative paper 31 is 28N
  • the lower melamine surface decorative paper 31 is abrasion-resistant
  • the number of revolutions is 238 g / m 2 .
  • Both the first lower polyurethane adhesive layer 32 and the second lower polyurethane adhesive layer 34 are obtained by double-sidedly coating modified polyurethane glue after being stretched and stretched by plain base paper.
  • the first lower polyurethane adhesive layer The glue application amounts of 32 and the second lower polyurethane adhesive layer 34 are both 150 g / m 2 to 180 g / m 2 , and the paper of the first lower polyurethane adhesive layer 32 and the second lower polyurethane adhesive layer 34 shrink. The rates are all 3%.
  • the thickness of the lower SPC substrate layer 33 is 4mm to 6mm
  • the glue of the lower melamine balanced paper 35 is a modified melamine adhesive
  • the paper formaldehyde release amount of the lower melamine balanced paper 35 is .5mg / L
  • the lower melamine balanced paper 35 The dipped amount is 120%
  • the volatile content of the lower melamine balanced paper 35 is 7%
  • the pre-curing degree of the lower melamine balanced paper 35 is 50%
  • the moisture content of the lower melamine balanced paper 35 is 4%
  • the ash content of 35 is 26%
  • the tensile strength of the lower melamine balanced paper 35 is 225N
  • the wet tensile strength of the lower melamine balanced paper 35 is 26N.
  • the method for preparing the SPC board 10 of the present invention includes the following steps: First, step S1 is performed, the raw materials of the substrate layer are mixed, and then step S2 is performed, and the mixed raw materials are passed through five temperature control zones. Heat.
  • the temperature control zone includes the first zone, the second zone, the third zone, the fourth zone, and the fifth zone.
  • the temperature in the first zone is 189 ° C to 205 ° C
  • the temperature in the second zone is 180 ° C.
  • the temperature in the third zone is 170 ° C to 190 ° C
  • the temperature in the fourth zone is 160 ° C to 185 ° C
  • the temperature in the fifth zone is 170 ° C to 185 oc
  • step S3 is performed, the heated raw material is stretched out through the mold setting, and then step S4 is performed, and the stretched raw material is pressed and formed by the press roller, and then step S5 is performed to perform the shaping cutting.
  • the raw material after cutting is formed to obtain a base material layer, which is stacked and maintained by a stacking robot hand, that is, the stacked base material layer is left to stand to release and balance the internal stress of the base material layer.
  • step S6 is performed, the upper group embryo and the lower group embryo are grouped on the upper end surface and the lower end surface of the substrate layer to obtain the blank, and then step S7 is performed, and the blank is placed in the cavity of the press.
  • the press presses the blanks in order by segmented heating and segmented cooling to obtain an SPC board.
  • step S8 is performed, the press is turned on, and the pressed SPC board is used to present the pressed SPC board.
  • the SP C board as the final product was obtained.
  • the SPC board was immersed in water at 100 ° C for 4 hours.
  • the upper melamine balance paper 21 and the lower melamine balance paper 35 were not separated from the SPC board.
  • the base material layer of the SPC board is mixed with the following weight ratio raw materials, and then heated, stretched, and pressed.
  • Code operation, post-embedding and pressing 100 to 120 parts by weight of PVC composite material, 300 to 400 parts by weight of heavy calcium carbonate powder, 40 to 55 parts by weight of abrasive powder, 5 to 8 parts by weight Ratio of calcium and zinc stabilizer, 0.7 to 1 part by weight of PVC internal and external lubricants, 3 to 6 parts by weight of modifier chlorinated polyethylene, and 2 to 4 parts by weight of the model 2B-20ZB-Z Modifier ACR, 1 to 1.5 parts by weight of model ZB-175ZB-101 PVC lubricant modifier, 0.6 to 0.8 parts by weight of new microcrystalline wax, 1.5 to 2 parts by weight of mineral tourmaline powder .
  • the stepwise heating is set to the first stage, the second stage, the third stage, and the fourth stage; the temperature of the first stage is 0 ° C to 40 ° C, and the press performs the first stage.
  • the temperature of the press starts to increase and the temperature rises to 40 ° C.
  • the temperature of the press is maintained at 60S, and the pressure of the press is 6Mpa to lOMpa.
  • the temperature of the second stage of temperature rise is 60 ° C to 80.
  • the temperature of the press stops rising when the temperature reaches the set temperature, the press maintains a holding state of 60S, and the pressure of the press is 8Mpa to 12Mpa; the third stage The heating temperature is 100 ° C to 120 ° C.
  • the temperature of the press is stopped when the temperature reaches the set temperature, the pressure of the press is lOMpa to 13Mpa, and the holding time of the press is 300S;
  • the temperature in the fourth stage is 130 ° C to 150 ° C.
  • the temperature of the press stops when the temperature reaches the set temperature.
  • the pressure of the press is 13Mpa to 15Mpa.
  • the holding time of the press It is 300S;
  • the stepwise cooling is set to the first stage cooling, the second stage cooling, and the third stage cooling.
  • the temperature of the press drops to 100 ° C to 120 ° C.
  • the pressure is reduced to 8Mpa to 12Mpa, and the holding time of the press is 350S;
  • the press performs the second stage of temperature reduction the temperature of the press is reduced to 60 ° C to 80 ° C, and the pressure of the press is reduced to 6M Pa to lOMpa ,
  • the holding time of the press is 200S;
  • the press performs the third stage of temperature reduction the temperature of the press drops to 0 ° (: to 40 ° (:, the pressure of the press decreases to OMpa, and the holding time of the press is 300S.
  • the weight ratio of the PVC composite material is 100 parts
  • the weight ratio of the heavy calcium carbonate powder is 300 parts
  • the weight ratio of the abrasive powder is 40 parts
  • the weight ratio of the calcium-zinc stabilizer is 5 parts.
  • the weight ratio of PVC internal and external lubricant is 0.7 parts
  • the weight ratio of modifier chlorinated polyethylene is 3 parts
  • the weight ratio of modifier AC R of model 2B-20ZB-Z is 2 parts
  • the model is ZB-
  • the weight ratio of 175ZB-101 PVC lubricant modifier is 1 part
  • the weight ratio of new microcrystalline wax is 0.6 part
  • the weight ratio of mineral tourmaline powder is 1.5 part
  • the temperature in the first zone is 18 9 ° C
  • the The temperature in the second zone is 180 ° C
  • the temperature in the third zone is 170 ° C
  • the temperature in the fourth zone is 160 ° C
  • the temperature in the fifth zone is 170 ° C.
  • the base material layer effectively reduces the warpage and shrinkage of the SPC board. Due to the addition of mineral tourmaline powder to the base material layer, the negative ions can be continuously released to purify the air.
  • the wear resistance test value of bright products reaches 5000r and scratch resistance. 4N is not damaged.
  • the segmented hot pressing and cooling ensure the full melting of the glue used, and also improve the wear resistance, scratch resistance, pollution resistance and other properties of the product.
  • the gloss of the board can be controlled at 80-95 °, which makes the board texture clear and Good abrasion resistance. Set the SPC board to 100. (: After soaking in water for 4 hours, neither the upper melamine balance paper 21 nor the lower melamine balance paper 35 is separated from the SPC board.
  • a tourmaline powder layer can be added between the upper melamine balance paper 21 and the first upper polyurethane adhesive layer 22 to make The SPC board can release more negative ions for purifying the air.
  • a tourmaline powder layer can be added between the lower melamine surface decorative paper 31 and the first lower polyurethane adhesive layer 32 to make the SPC board release more air purifying air. Negative ions.
  • the weight ratio of the PVC composite material is 120 parts
  • the weight ratio of the heavy calcium carbonate powder is 400 parts
  • the weight ratio of the abrasive powder is 55 parts
  • the weight ratio of the calcium-zinc stabilizer is 8 parts
  • the weight ratio of the internal and external PVC lubricant is 1 part
  • the weight ratio of the modifier chlorinated polyethylene is 6 parts
  • the weight ratio of the modifier ACR of the model 2B-20ZB-Z is 4 parts
  • the model is ZB-175ZB-
  • the weight ratio of 101 PVC lubricant modifier is 1.5 parts
  • the weight ratio of new microcrystalline wax is 0.8 parts
  • the weight ratio of mineral tourmaline powder is 2 parts
  • the temperature in the first zone is 205 ° C
  • the temperature is 205 ° C
  • the temperature in the third zone is 190 ° C
  • the temperature in the fourth zone is 185 ° C
  • the temperature in the fifth zone is 185 ° C.
  • the first embodiment and the second embodiment are the same except
  • the weight ratio of the PVC composite material is 110 parts, the weight ratio of the heavy calcium carbonate powder is 350 parts, the weight ratio of the abrasive powder is 48 parts, the weight ratio of the calcium-zinc stabilizer is 7 parts,
  • the weight ratio of PVC internal and external lubricant is 1.3 parts, the weight ratio of modifier chlorinated polyethylene is 5 parts, the weight ratio of modifier ACR of model 2B-20ZB-Z is 3 parts, model is ZB-175ZB-
  • the weight ratio of 101 PVC lubricant modifier is 1.3 parts, the weight ratio of new microcrystalline wax is 0.7 parts, the weight ratio of mineral tourmaline powder is 1.8 parts, the temperature in the first zone is 19 5 ° C, and the second zone is The temperature is 190 ° C, the temperature in the third zone is 182 ° C, the temperature in the fourth zone is 179 ° C, and the temperature in the fifth zone is 180.
  • the first embodiment and the third embodiment are the same except for the weight ratio of the above materials and
  • the base material layer of the SPC board of the present invention can effectively reduce the warpage and shrinkage of the SPC board.
  • the reason is that the tourmaline powder is added to the base material layer, and the negative ions can be continuously released to purify the air.
  • the test value reaches 5000r, scratch resistance 4N is not damaged, pollution resistance, rubbing test without pollution.

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Abstract

一种SPC板（10）及其制备方法。SPC板（10）的基材层（1）由如下重量比的原料经过混合以后，再经过加热、拉伸、压制、码垛、组胚后压贴成型：100至120份重量比的PVC复合材料、300至400份重量比的重质碳酸钙粉、40至55份重量比的磨料粉、5至8份重量比的钙锌稳定剂、0.7至1份重量比的PVC内外润滑剂、3-6份重量比的改性剂氯化聚乙烯、2至4份重量比的改性剂ACR、1至1.5份重量比的PVC润滑改性剂、0.6至0.8份重量比的新型微晶腊、1.5至2份重量比的矿物质电气石粉。

Description

说明书 发明名称：一种 SPC板及其制备方法 技术领域
[0001] 本发明涉及建筑材料技术领域， 尤其是涉及一种 SPC板及其制备方法。
背景技术
[0002] SPC地板 (Stone plactic composite)是一种新型环保型地板， 具有零甲醛、 防霉、 防潮、 防火、 防虫、 安装简单等优点。 5见有的 SPC地板结构从下至上依次设置的 石塑基材层、 彩膜层、 耐磨层和油漆层， 石塑基材层、 彩膜层和耐磨层采用压 纹辊压制成型， 地板表面由 PVC材质的彩膜和 PVC材质的耐磨层组成， 由于 PVC 材料本身性质较软， 不耐划， 容易产生划痕， PVC膜表面不光滑， 所以市面上大 部分 SPC地板的表面都是哑光表面， 表面为亮面的比较少。 另外由于 PVC材质本 身不耐污， 所以在表面需要做一层防护油漆， 但油漆不能从根本上解决耐磨、 耐划痕、 耐污染等问题。
[0003] 因此， 提供一种耐划、 耐污、 耐磨并能释放负离子净化空气的 SPC板是有必要 的。
发明概述
技术问题
[0004] 本发明的第一目的是提供一种耐划、 耐污、 耐磨并能释放负离子净化空气的 SP C板。
[0005] 本发明的第二目的是提供一种用于耐划、 耐污、 耐磨并能释放负离子净化空气 的 SPC板的制备方法。
[0006] 技术解决手段
[0007] 为实现上述的第一目的， 本发明提供一种 SPC板， SPC板的基材层由如下重量 比的原料经过混合以后， 再经过加热、 拉伸、 压制、 码垛、 组胚后压贴成型： 1 00至 120份重量比的 PVC复合材料、 300至 400份重量比的重质碳酸钙粉、 40至 55 份重量比的磨料粉、 5至 8份重量比的钙锌稳定剂、 0.7至 1份重量比的 PVC内外润 滑剂、 3至 6份重量比的改性剂氯化聚乙烯、 2至 4份重量比的改性剂 ACR、 1至 1.5 份重量比的 PVC润滑改性剂、 0.6至 0.8份重量比的新型微晶腊、 1.5至 2份重量比 的矿物质电气石粉。
[0008] 一个优选的方案是， PVC复合材料的重量比为 100份、 重质碳酸钙粉的重量比 为 300份、 磨料粉的重量比为 40份、 钙锌稳定剂的重量比为 5份、 PVC内外润滑剂 的重量比为 0.7份、 改性剂氯化聚乙烯的重量比为 3份、 改性剂 ACR的重量比为 2 份、 PVC润滑改性剂的重量比为 1份、 新型微晶腊的重量比为 0.6份、 矿物质电气 石粉的重量比为 1.5份。
[0009] 一个优选的方案是， PVC复合材料的重量比为 120份、 重质碳酸钙粉的重量比 为 400份、 磨料粉的重量比为 55份、 钙锌稳定剂的重量比为 8份、 PVC内外润滑剂 的重量比为 1份、 改性剂氯化聚乙烯的重量比为 6份、 改性剂 ACR的重量比为 4份 、 PVC润滑改性剂的重量比为 1.5份、 新型微晶腊的重量比为 0.8份、 矿物质电气 石粉的重量比为 2份。
[0010] 一个优选的方案是， PVC复合材料的重量比为 110份、 重质碳酸钙粉的重量比 为 350份、 磨料粉的重量比为 48份、 钙锌稳定剂的重量比为 7份、 PVC内外润滑剂 的重量比为 1.3份、 改性剂氯化聚乙烯的重量比为 5份、 改性剂 ACR的重量比为 3 份、 PVC润滑改性剂的重量比为 1.3份、 新型微晶腊的重量比为 0.7份、 矿物质电 气石粉的重量比为 1.8份。
[0011] 一个优选的方案是， 基材层的上端面设置有上组胚， 基材层的下端面设置有下 组胚。
[0012] 为实现上述的第二目的， 本发明提供一种 SPC板的制备方法， SPC板包括基材 层、 上组胚和下组胚， 基材层的上端面设置有上组胚， 基材层的下端面设置有 下组胚， 制备方法包括以下步骤： 混合基材层的原料； 经过温度控制区对混合 后的原料进行加热， 温度控制区设置有第一区、 第二区、 第三区、 第四区、 第 五区， 第一区的温度为 189°C至 205°C， 第二区的温度为 180°C至 205°C， 第三区的 温度为 170°C至 190°C， 第四区的温度为 160°C至 185°C， 第五区的温度为 170°C至 1 85°C； 经过模具定型对加热后的原料进行拉伸出片； 经过压辊对拉伸出片后的原 料进行压制成型； 定型裁切经过压制成型后的原料得到基材层， 并经过垛堆机 器手码垛养生； 将上组胚和下组胚分别组胚于基材层的上端面和下端面而得到 胚料； 将胚料放入压机的腔体内， 压机对胚料依次通过分段式升温和分段式降 温进行压贴以得到 SPC板； 打开压机， 用出板机提出经压贴后的 SPC板。
[0013] 一个优选的方案是， PVC复合材料的重量比为 100份、 重质碳酸钙粉的重量比 为 300份、 磨料粉的重量比为 40份、 钙锌稳定剂的重量比为 5份、 PVC内外润滑剂 的重量比为 0.7份、 改性剂氯化聚乙烯的重量比为 3份、 改性剂 ACR的重量比为 2 份、 PVC润滑改性剂的重量比为 1份、 新型微晶腊的重量比为 0.6份、 矿物质电气 石粉的重量比为 1.5份； 第一区的温度为 189°C， 第二区的温度为 180°C， 第三区 的温度为 170°C， 第四区的温度为 160°C， 第五区的温度为 170°C。
[0014] 一个优选的方案是， PVC复合材料的重量比为 120份、 重质碳酸钙粉的重量比 为 400份、 磨料粉的重量比为 55份、 钙锌稳定剂的重量比为 8份、 PVC内外润滑剂 的重量比为 1份、 改性剂氯化聚乙烯的重量比为 6份、 改性剂 ACR的重量比为 4份 、 PVC润滑改性剂的重量比为 1.5份、 新型微晶腊的重量比为 0.8份、 矿物质电气 石粉的重量比为 2份； 第一区的温度为 205°C， 第二区的温度为 205°C， 第三区的 温度为 190°C， 第四区的温度为 185°C， 第五区的温度为 185°C。
[0015] 一个优选的方案是， PVC复合材料的重量比为 110份、 重质碳酸钙粉的重量比 为 350份、 磨料粉的重量比为 48份、 钙锌稳定剂的重量比为 7份、 PVC内外润滑剂 的重量比为 1.3份、 改性剂氯化聚乙烯的重量比为 5份、 改性剂 ACR的重量比为 3 份、 PVC润滑改性剂的重量比为 1.3份、 新型微晶腊的重量比为 0.7份、 矿物质电 气石粉的重量比为 1.8份； 第一区的温度为 195°C， 第二区的温度为 190°C， 第三 区的温度为 182°C， 第四区的温度为 179°C， 第五区的温度为 180°C。
[0016] 一个优选的方案是， 上组胚的上方依次设置有上三聚氰胺平衡纸、 第一上聚氨 酯粘结胶层、 上 SPC基材层、 第二上聚氨酯粘结胶层、 上三聚氰胺表层花色装饰 纸； 下组胚的下方依次设置有下三聚氰胺表层花色装饰纸、 第一下聚氨酯粘结 胶层、 下 SPC基材层、 第二下聚氨酯粘结胶层、 下三聚氰胺平衡纸； 下三聚氰胺 表层花色装饰纸的胶水为改性三聚氰胺胶， 下三聚氰胺表层花色装饰纸的纸张 甲醛释放量为 Sl.5mg/L， 下三聚氰胺表层花色装饰纸的浸胶量为 180%， 下三聚 氰胺表层花色装饰纸的挥发物含量为 7%， 下三聚氰胺表层花色装饰纸的预固化 度为 60%， 下三聚氰胺表层花色装饰纸的水份为 4%， 下三聚氰胺表层花色装饰 纸的灰份为 26%， 下三聚氰胺表层花色装饰纸的抗拉强度 230N， 下三聚氰胺表 层花色装饰纸的湿抗拉强度 28N， 下三聚氰胺表层花色装饰纸的耐磨转数 238g/ m 2; 第一下聚氨酯粘结胶层与第二下聚氨酯粘结胶层均经过素色原纸拉伸缩后 双面涂布改性聚氨酯类胶水而得到， 第一下聚氨酯粘结胶层与第二下聚氨酯粘 结胶层的胶水涂布量均为 150至 180g/m 2, 第一下聚氨酯粘结胶层与第二下聚氨 酯粘结胶层的纸张收缩率均为 3% ; 下 SPC基材层的厚度为 4mm至 6mm， 下三聚 氰胺表层花色装饰纸的胶水为改性三聚氰胺胶， 纸张甲醛释放量为 .5mg/L， 浸胶量为 120%， 挥发物含量为 7%， 预固化度 50%， 水份 4%， 灰份 26%， 抗拉强 度 225N， 湿抗拉强度 26N; 下三聚氰胺平衡纸的胶水为改性三聚氰胺胶， 下三 聚氰胺平衡纸的纸张甲醛释放量为 Sl.5mg/L， 下三聚氰胺平衡纸的浸胶量为 120 % , 下三聚氰胺平衡纸的挥发物含量为 7%， 下三聚氰胺平衡纸的预固化度为 50 % , 下三聚氰胺平衡纸的水份为 4%， 下三聚氰胺平衡纸的灰份为 26%， 抗下三 聚氰胺平衡纸的拉强度 225N， 下三聚氰胺平衡纸的湿抗拉强度 26N。
[0017] 优选的， 温度控制区设置为五个， 温度控制区的第一区的温度为 189°C至 205°C ， 温度控制区的第二区的温度为 180°C至 205°C， 温度控制区的第三区的温度为 17 0°C至 190°C， 温度控制区的第四区的温度为 160°C至 185°C， 温度控制区的第五区 的温度为 170。（：至 185。（：； 分段式升温设置为第一段升温、 第二段升温、 第三段升 温、 第四段升温； 第一段升温的温度为 0°C至 40°C， 压机进行第一段升温时， 压 机闭合后开始升温并在温度升到 40°C时停止升温， 压机维持保压状态 60S， 压机 的压力为 6Mpa至 lOMpa; 第二段升温的温度为 60°C至 80°C， 压机进行第二段升 温时， 压机温度到达设定温度时停止升温， 压机维持保压状态 60S， 压机的压力 为 8Mpa至 12Mpa; 第三段升温的温度为 100°C至 120°C， 压机进行第三段升温时 ， 压机温度到达设定温度时停止升温， 压机的压力为 lOMpa至 13Mpa， 压机的保 压时间为 300S; 第四段升温的温度为 130°C至 150°C， 压机进行第四段升温时， 压机温度到达设定温度时停止升温， 压机的压力为 13Mpa至 15Mpa， 压机的保压 时间为 300S。
[0018] 优选的， 分段式降温设置为第一段降温、 第二段降温、 第三段降温； 压机进行 第一段降温时， 压机的温度降为 100°C至 120°C， 压机的压力降至 8Mpa至 12Mpa ， 压机的保压时间为 350S ; 压机进行第二段降温时， 压机的温度降为 60°C至 80 °C, 压机的压力降至 6Mpa至 lOMpa， 压机的保压时间为 200S ; 压机进行第三段 降温时， 压机的温度降为 0°C至 40°C， 压机的压力降至 OMpa， 压机的保压时间为 300S。
问题的解决方案
发明的有益效果
有益效果
[0019] 本发明的 SPC板所使用的基材层能够有效地降低 SPC板的翘曲度及收缩率， 由 于基材层添加矿物质电气石粉， 可持续释放负离子以净化空气， 亮面产品耐磨 测试值达到 5000r,耐划痕 4N未破损， 耐污染擦试无污染。
[0020] 并且， 基材层能够有效地降低 SPC板的翘曲度及收缩率， 基材层由于添加矿物 质电气石粉， 可持续释放负离子以净化空气， 亮面产品耐磨测试值达到 5000r,耐 划痕 4N未破损， 耐污染擦试无污染。 分段式热压及冷却保证所用胶的充分熔解 ， 同时也提高了产品的耐磨、 耐划痕、 耐污染等性能， 板面光泽度可控制在 80-9 5°， 使板面纹理清晰且耐磨性能较好。
对附图的简要说明
附图说明
[0021] 图 1是本发明 SPC板第一实施例的结构剖视图。
[0022] 图 2是本发明 SPC板的制备方法第一实施例的流程图。
[0023] 图 3是本发明 SPC板的制备方法第一实施例三个测试样本的测试结果图表。
[0024] 图 4是本发明 SPC板的制备方法第二实施例三个测试样本的测试结果图表。
[0025] 图 5是本发明 SPC板的制备方法第三实施例三个测试样本的测试结果图表。
[0026] 以下结合附图及实施例对本发明作进一步说明。
发明实施例
本发明的实施方式
[0027] 第一实施例
[0028] 参见图 1， 本实施例的 SPC板 10包括基材层 1、 上组胚 2和下组胚 3， 基材层的上 端面设置有上组胚 2, 基材层 1的下端面设置有下组胚 3 , 沿垂直于 SPC板 10延伸 方向且往上的方向， 上组胚 2包括依次设置的上三聚氰胺平衡纸 21、 第一上聚氨 酯粘结胶层 22、 上 SPC基材层 23、 第二上聚氨酯粘结胶层 24、 上三聚氰胺表层花 色装饰纸 25， 上三聚氰胺平衡纸 21通过第一上聚氨酯粘结胶层 22粘连于上 SPC基 材层 23的下端面， 上三聚氰胺表层花色装饰纸 25通过第二上聚氨酯粘结胶层 24 粘连于上 SPC基材层 23的上端面。
[0029] 沿垂直于 SPC板 10延伸方向且往下的方向， 下组胚 3包括依次设置的下三聚氰 胺表层花色装饰纸 31、 第一下聚氨酯粘结胶层 32、 下 SPC基材层 33、 第二下聚氨 酯粘结胶层 34、 下三聚氰胺平衡纸 35 , 下三聚氰胺表层花色装饰纸 31通过第一 下聚氨酯粘结胶层 32粘连于下 SPC基材层 33的上端面， 下三聚氰胺平衡纸 35通过 第二下聚氨酯粘结胶层 34粘连于下 SPC基材层 33的下端面。
[0030] 制作下三聚氰胺表层花色装饰纸 31的胶水为改性三聚氰胺胶， 制作下三聚氰胺 表层花色装饰纸 31的纸张中， 甲醛释放量为 .5mg/L， 下三聚氰胺表层花色装 饰纸 31的浸胶量为 180%， 下三聚氰胺表层花色装饰纸 31的挥发物含量为 7%， 下 三聚氰胺表层花色装饰纸 31的预固化度为 60%， 下三聚氰胺表层花色装饰纸 31的 水份为 4%， 下三聚氰胺表层花色装饰纸 31的灰份为 26%， 下三聚氰胺表层花色 装饰纸 31的抗拉强度 230N， 下三聚氰胺表层花色装饰纸 31的湿抗拉强度 28N， 下三聚氰胺表层花色装饰纸 31的耐磨转数 238g/m 2。
[0031] 第一下聚氨酯粘结胶层 32与第二下聚氨酯粘结胶层 34均经过素色原纸拉伸缩后 双面涂布改性聚氨酯类胶水而得到， 第一下聚氨酯粘结胶层 32与第二下聚氨酯 粘结胶层 34的胶水涂布量均为 150g/m 2至 180g/m 2， 第一下聚氨酯粘结胶层 32与 第二下聚氨酯粘结胶层 34的纸张收缩率均为 3%。
[0032] 下 SPC基材层 33的厚度为 4mm至 6mm， 下三聚氰胺平衡纸 35的胶水为改性三聚 氰胺胶， 下三聚氰胺平衡纸 35的纸张甲醛释放量为 .5mg/L， 下三聚氰胺平衡 纸 35的浸胶量为 120%， 下三聚氰胺平衡纸 35的挥发物含量为 7%， 下三聚氰胺平 衡纸 35的预固化度为 50%， 下三聚氰胺平衡纸 35的水份为 4%， 下三聚氰胺平衡 纸 35的灰份为 26%， 下三聚氰胺平衡纸 35的抗拉强度 225N， 下三聚氰胺平衡纸 3 5的湿抗拉强度 26N。 [0033] 参见图 2， 本发明的 SPC板 10的制备方法包括以下步骤： 首先， 执行步骤 S1， 混合基材层的原料， 然后， 执行步骤 S2, 经过五个温度控制区对混合后的原料 进行加热。 其中， 温度控制区设置有第一区、 第二区、 第三区、 第四区、 第五 区， 第一区的温度为 189°C至 205°C， 第二区的温度为 180°C至 205°C， 第三区的温 度为 170°C至 190°C， 第四区的温度为 160°C至 185°C， 第五区的温度为 170°C至 185 oc
[0034] 接着， 执行步骤 S3， 经过模具定型对加热后的原料进行拉伸出片， 然后执行步 骤 S4, 经过压辊对拉伸出片后的原料进行压制成型， 接着执行步骤 S5 , 定型裁 切经过压制成型后的原料得到基材层， 并经过垛堆机器手码垛养生， 即将码垛 后的基材层进行静置以释放、 平衡基材层的内应力。
[0035] 然后， 执行步骤 S6， 将上组胚和下组胚分别组胚于基材层的上端面和下端面而 得到胚料， 再执行步骤 S7 , 将胚料放入压机的腔体内， 压机对胚料依次通过分 段式升温和分段式降温进行压贴以得到 SPC板， 最后执行步骤 S8 , 打开压机， 用 出板机提出经压贴后的 SPC板。 经过上述的 8个步骤后， 得到作为最终成品的 SP C板， 将 SPC板置于 100°C的水中浸泡 4小时， 上三聚氰胺平衡纸 21与下三聚氰胺 平衡纸 35均未从 SPC板分离。
[0036] SPC板的基材层由如下重量比的原料经过混合以后， 再经过加热、 拉伸、 压制
、 码操、 组胚后压贴成型： 100至 120份重量比的 PVC复合材料、 300至 400份重量 比的重质碳酸钙粉、 40至 55份重量比的磨料粉、 5至 8份重量比的钙锌稳定剂、 0. 7至 1份重量比的 PVC内外润滑剂、 3至 6份重量比的改性剂氯化聚乙烯、 2至 4份重 量比的型号为 2B-20ZB-Z的改性剂 ACR、 1至 1.5份重量比的型号为 ZB-175ZB-101 的 PVC润滑改性剂、 0.6至 0.8份重量比的新型微晶腊、 1.5至 2份重量比的矿物质 电气石粉。
[0037] 分段式升温设置为第一段升温、 第二段升温、 第三段升温、 第四段升温； 第一 段升温的温度为 0°C至 40°C， 压机进行第一段升温时， 压机闭合后开始升温并在 温度升到 40°C时停止升温， 压机维持保压状态 60S， 压机的压力为 6Mpa至 lOMpa ； 第二段升温的温度为 60°C至 80°C， 压机进行第二段升温时， 压机温度到达设定 温度时停止升温， 压机维持保压状态 60S， 压机的压力为 8Mpa至 12Mpa; 第三段 升温的温度为 100°C至 120°C， 压机进行第三段升温时， 压机温度到达设定温度时 停止升温， 压机的压力为 lOMpa至 13Mpa， 压机的保压时间为 300S; 第四段升温 的温度为 130°C至 150°C， 压机进行第四段升温时， 压机温度到达设定温度时停止 升温， 压机的压力为 13Mpa至 15Mpa， 压机的保压时间为 300S; 分段式降温设置 为第一段降温、 第二段降温、 第三段降温； 压机进行第一段降温时， 压机的温 度降为 100°C至 120°C， 压机的压力降至 8Mpa至 12Mpa， 压机的保压时间为 350S ； 压机进行第二段降温时， 压机的温度降为 60°C至 80°C， 压机的压力降至 6MPa 至 lOMpa， 压机的保压时间为 200S ; 压机进行第三段降温时， 压机的温度降为 0 °（：至40°（：， 压机的压力降至 OMpa， 压机的保压时间为 300S。
[0038] 在本实施例中， PVC复合材料的重量比为 100份、 重质碳酸钙粉的重量比为 300 份、 磨料粉的重量比为 40份、 钙锌稳定剂的重量比为 5份、 PVC内外润滑剂的重 量比为 0.7份、 改性剂氯化聚乙烯的重量比为 3份、 型号为 2B-20ZB-Z的改性剂 AC R的重量比为 2份、 型号为 ZB-175ZB- 101的 PVC润滑改性剂的重量比为 1份、 新型 微晶腊的重量比为 0.6份、 矿物质电气石粉的重量比为 1.5份， 第一区的温度为 18 9°C, 第二区的温度为 180°C， 第三区的温度为 170°C， 第四区的温度为 160°C， 第 五区的温度为 170°C。
[0039] 取三份 SPC板作为测试样本， 将该三份 SPC板放置于温度设定为 80°C的烘箱内 6 小时后， 测试该三份 SPC板样本的尺寸变化率、 翘曲量及负离子释放量， 测试结 果的标准依据为 GB/T4085-2015和 GB/T34440-2017， 测试结果如附图 3所示。
[0040] 基材层有效地降低 SPC板的翘曲度及收缩率， 由于基材层添加矿物质电气石粉 ， 可持续释放负离子以净化空气， 亮面产品耐磨测试值达到 5000r,耐划痕 4N未破 损， 耐污染擦试无污染。 分段式热压及冷却保证所用胶的充分熔解， 同时也提 高了产品的耐磨、 耐划痕、 耐污染等性能， 板面光泽度可控制在 80-95°， 使板面 纹理清晰且耐磨性能较好。 将 SPC板置于 100。（：的水中浸泡 4小时， 上三聚氰胺平 衡纸 21与下三聚氰胺平衡纸 35均未从 SPC板分离。 上三聚氰胺平衡纸 21与第一上 聚氨酯粘结胶层 22之间可增加电气石粉层以令 SPC板可释放更多用以净化空气的 负离子， 下三聚氰胺表层花色装饰纸 31与第一下聚氨酯粘结胶层 32之间可增加 电气石粉层以令 SPC板可释放更多用以净化空气的负离子。 [0041] 第二实施例
[0042] 本实施例中， PVC复合材料的重量比为 120份、 重质碳酸钙粉的重量比为 400份 、 磨料粉的重量比为 55份、 钙锌稳定剂的重量比为 8份、 PVC内外润滑剂的重量 比为 1份、 改性剂氯化聚乙烯的重量比为 6份、 型号为 2B-20ZB-Z的改性剂 ACR的 重量比为 4份、 型号为 ZB-175ZB-101的 PVC润滑改性剂的重量比为 1.5份、 新型微 晶腊的重量比为 0.8份、 矿物质电气石粉的重量比为 2份， 第一区的温度为 205°C ， 第二区的温度为 205°C， 第三区的温度为 190°C， 第四区的温度为 185°C， 第五 区的温度为 185°C。 第一实施例与第二实施例除了上述材料的重量比和温度控制 区的不同外， 其余部分均相同， 在此不再赘述。
[0043] 取三份 SPC板作为测试样本， 将该三份 SPC板放置于温度设定为 80°C的烘箱内 6 小时后， 测试该三份 SPC板样本的尺寸变化率、 翘曲量及负离子释放量， 测试结 果的标准依据为 GB/T4085-2015和 GB/T34440-2017， 测试结果如图 4所示。
[0044] 第三实施例
[0045] 本实施例中， PVC复合材料的重量比为 110份、 重质碳酸钙粉的重量比为 350份 、 磨料粉的重量比为 48份、 钙锌稳定剂的重量比为 7份、 PVC内外润滑剂的重量 比为 1.3份、 改性剂氯化聚乙烯的重量比为 5份、 型号为 2B-20ZB-Z的改性剂 ACR 的重量比为 3份、 型号为 ZB-175ZB-101的 PVC润滑改性剂的重量比为 1.3份、 新型 微晶腊的重量比为 0.7份、 矿物质电气石粉的重量比为 1.8份， 第一区的温度为 19 5°C, 第二区的温度为 190°C， 第三区的温度为 182°C， 第四区的温度为 179°C， 第 五区的温度为 180。（：。 第一实施例与第三实施例除了上述材料的重量比和温度控 制区的不同外， 其余部分均相同， 在此不再赘述。
[0046] 取三份 SPC板作为测试样本， 将该三份 SPC板放置于温度设定为 80°C的烘箱内 6 小时后， 测试该三份 SPC板样本的尺寸变化率、 翘曲量及负离子释放量， 测试结 果的标准依据为 GB/T4085-2015和 GB/T34440-2017， 测试结果如图 5所示。
[0047] 最后需要强调的是， 本发明不限于上述实施方式， 以上所述仅为本发明的较佳 实施例而已， 并不用以限制本发明， 凡在本发明的精神和原则之内， 所作的任 何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。
[0048] 工业应用性 [0049] 本发明的 SPC板的基材层能够有效地降低 SPC板的翘曲度及收缩率， 原因是基 材层添加矿物质电气石粉， 可持续释放负离子以净化空气， 亮面产品耐磨测试 值达到 5000r,耐划痕 4N未破损， 耐污染擦试无污染。

Claims

权利要求书
[权利要求 1] 一种 SPC板， 其特征在于：
所述 SPC板的基材层由如下重量比的原料经过混合以后， 再经过加热 、 拉伸、 压制、 码操、 组胚后压贴成型： 100至 120份重量比的 PVC复 合材料、 300至 400份重量比的重质碳酸钙粉、 40至 55份重量比的磨料 粉、 5至 8份重量比的钙锌稳定剂、 0.7至 1份重量比的 PVC内外润滑剂 、 3至 6份重量比的改性剂氯化聚乙烯、 2至 4份重量比的改性剂 ACR、
1至 1.5份重量比的 PVC润滑改性剂、 0.6至 0.8份重量比的新型微晶腊 、 1.5至 2份重量比的矿物质电气石粉。
[权利要求 2] 根据权利要求 1所述的 SPC板， 其特征在于：
所述 PVC复合材料的重量比为 100份、 所述重质碳酸钙粉的重量比为 3 00份、 所述磨料粉的重量比为 40份、 所述钙锌稳定剂的重量比为 5份 、 所述 PVC内外润滑剂的重量比为 0.7份、 所述改性剂氯化聚乙烯的 重量比为 3份、 所述改性剂 ACR的重量比为 2份、 所述 PVC润滑改性剂 的重量比为 1份、 所述新型微晶腊的重量比为 0.6份、 所述矿物质电气 石粉的重量比为 1.5份。
[权利要求 3] 根据权利要求 1所述的 SPC板， 其特征在于：
所述 PVC复合材料的重量比为 120份、 所述重质碳酸钙粉的重量比为 4 00份、 所述磨料粉的重量比为 55份、 所述钙锌稳定剂的重量比为 8份 、 所述 PVC内外润滑剂的重量比为 1份、 所述改性剂氯化聚乙烯的重 量比为 6份、 所述改性剂 ACR的重量比为 4份、 所述 PVC润滑改性剂的 重量比为 1.5份、 所述新型微晶腊的重量比为 0.8份、 所述矿物质电气 石粉的重量比为 2份。
[权利要求 4] 根据权利要求 1所述的 SPC板， 其特征在于：
所述 PVC复合材料的重量比为 110份、 所述重质碳酸钙粉的重量比为 3 50份、 所述磨料粉的重量比为 48份、 所述钙锌稳定剂的重量比为 7份 、 所述 PVC内外润滑剂的重量比为 1.3份、 所述改性剂氯化聚乙烯的 重量比为 5份、 所述改性剂 ACR的重量比为 3份、 所述 PVC润滑改性剂 的重量比为 1.3份、 所述新型微晶腊的重量比为 0.7份、 所述矿物质电 气石粉的重量比为 1.8份。
[权利要求 5] 根据权利要求 1至 4任一项所述的 SPC板， 其特征在于：
所述基材层的上端面设置有上组胚， 所述基材层的下端面设置有下组 胚；
所述上组胚的上方依次设置有上三聚氰胺平衡纸、 第一上聚氨酯粘结 胶层、 上 SPC基材层、 第二上聚氨酯粘结胶层、 上三聚氰胺表层花色 装饰纸；
所述下组胚的下方依次设置有下三聚氰胺表层花色装饰纸、 第一下聚 氨酯粘结胶层、 下 SPC基材层、 第二下聚氨酯粘结胶层、 下三聚氰胺 平衡纸。
[权利要求 6] 根据权利要求 1至 4任一项所述的 SPC板， 其特征在于：
所述改性剂 ACR的型号为 2B-20ZB-Z; 所述 PVC润滑改性剂的型号为
ZB-175ZB-101。
[权利要求 7] —种如权利要求 1所述的 SPC板的制备方法， 其特征在于： 所述 SPC板 包括基材层、 上组胚和下组胚， 所述基材层的上端面设置有所述上组 胚， 所述基材层的下端面设置有所述下组胚， 所述制备方法包括以下 步骤：
混合所述基材层的所述原料；
经过温度控制区对混合后的所述原料进行加热，所述温度控制区设置 有第一区、 第二区、 第三区、 第四区、 第五区， 所述第一区的温度为 189。（：至205。（：， 所述第二区的温度为 180°C至 205°C， 所述第三区的温 度为 170°C至 190°C， 所述第四区的温度为 160°C至 185°C， 所述第五区 的温度为 170°C至 185°C;
经过模具定型对加热后的所述原料进行拉伸出片； 经过压辊对拉伸出片后的所述原料进行压制成型； 定型裁切经过压制成型后的所述原料得到所述基材层， 并经过垛堆机 器手码垛养生； 将所述上组胚和所述下组胚分别组胚于所述基材层的所述上端面和所 述下端面而得到胚料；
将所述胚料放入压机的腔体内， 所述压机对所述胚料依次通过分段式 升温和分段式降温进行压贴以得到所述 SPC板。
[权利要求 8] 根据权利要求 7所述的制备方法， 其特征在于：
所述 PVC复合材料的重量比为 100份、 所述重质碳酸钙粉的重量比为 3 00份、 所述磨料粉的重量比为 40份、 所述钙锌稳定剂的重量比为 5份 、 所述 PVC内外润滑剂的重量比为 0.7份、 所述改性剂氯化聚乙烯的 重量比为 3份、 所述改性剂 ACR的重量比为 2份、 所述 PVC润滑改性剂 的重量比为 1份、 所述新型微晶腊的重量比为 0.6份、 所述矿物质电气 石粉的重量比为 1.5份；
所述第一区的温度为 189°C， 所述第二区的温度为 180°C， 所述第三区 的温度为 170°C， 所述第四区的温度为 160°C， 所述第五区的温度为 17 ooc
[权利要求 9] 根据权利要求 7所述的制备方法， 其特征在于：
所述 PVC复合材料的重量比为 120份、 所述重质碳酸钙粉的重量比为 4 00份、 所述磨料粉的重量比为 55份、 所述钙锌稳定剂的重量比为 8份 、 所述 PVC内外润滑剂的重量比为 1份、 所述改性剂氯化聚乙烯的重 量比为 6份、 所述改性剂 ACR的重量比为 4份、 所述 PVC润滑改性剂的 重量比为 1.5份、 所述新型微晶腊的重量比为 0.8份、 所述矿物质电气 石粉的重量比为 2份；
所述第一区的温度为 205°C， 所述第二区的温度为 205°C， 所述第三区 的温度为 190°C， 所述第四区的温度为 185°C， 所述第五区的温度为 18
50C。
[权利要求 10] 根据权利要求 7所述的制备方法， 其特征在于：
所述 PVC复合材料的重量比为 110份、 所述重质碳酸钙粉的重量比为 3 50份、 所述磨料粉的重量比为 48份、 所述钙锌稳定剂的重量比为 7份 、 所述 PVC内外润滑剂的重量比为 1.3份、 所述改性剂氯化聚乙烯的 重量比为 5份、 所述改性剂 ACR的重量比为 3份、 所述 PVC润滑改性剂 的重量比为 1.3份、 所述新型微晶腊的重量比为 0.7份、 所述矿物质电 气石粉的重量比为 1.8份；
所述第一区的温度为 195°C， 所述第二区的温度为 190°C， 所述第三区 的温度为 182°C， 所述第四区的温度为 179°C， 所述第五区的温度为 18 o c
[权利要求 11] 根据权利要求 7至 10任一项所述的制备方法， 其特征在于：
所述上组胚的上方依次设置有上三聚氰胺平衡纸、 第一上聚氨酯粘结 胶层、 上 SPC基材层、 第二上聚氨酯粘结胶层、 上三聚氰胺表层花色 装饰纸；
所述下组胚的下方依次设置有下三聚氰胺表层花色装饰纸、 第一下聚 氨酯粘结胶层、 下 SPC基材层、 第二下聚氨酯粘结胶层、 下三聚氰胺 平衡纸；
所述下三聚氰胺表层花色装饰纸的胶水为改性三聚氰胺胶， 所述下三 聚氰胺表层花色装饰纸的纸张甲醛释放量为 Sl.5mg/L 所述下三聚氰 胺表层花色装饰纸的浸胶量为 180%， 所述下三聚氰胺表层花色装饰 纸的挥发物含量为 7%， 所述下三聚氰胺表层花色装饰纸的预固化度 为 60%， 所述下三聚氰胺表层花色装饰纸的水份为 4%， 所述下三聚 氰胺表层花色装饰纸的灰份为 26%， 所述下三聚氰胺表层花色装饰纸 的抗拉强度 230N， 所述下三聚氰胺表层花色装饰纸的湿抗拉强度 28 N 所述下三聚氰胺表层花色装饰纸的耐磨转数 238g/m 2
[权利要求 12] 根据权利要求 11所述的制备方法， 其特征在于：
所述第一下聚氨酯粘结胶层与所述第二下聚氨酯粘结胶层均经过素色 原纸拉伸缩后双面涂布改性聚氨酯类胶水而得到， 所述第一下聚氨酯 粘结胶层与所述第二下聚氨酯粘结胶层的胶水涂布量均为 150至 180g/ m 2, 所述第一下聚氨酯粘结胶层与所述第二下聚氨酯粘结胶层的纸 张收缩率均为 3%。
[权利要求 13] 根据权利要求 11所述的制备方法， 其特征在于: 所述下三聚氰胺平衡纸的胶水为改性三聚氰胺胶， 所述下三聚氰胺平 衡纸的纸张甲醛释放量为 < .5mg/L， 所述下三聚氰胺平衡纸的浸胶量 为 120%， 所述下三聚氰胺平衡纸的挥发物含量为 7%， 所述下三聚氰 胺平衡纸的预固化度为 50%， 所述下三聚氰胺平衡纸的水份为 4%， 所述下三聚氰胺平衡纸的灰份为 26%， 所述下三聚氰胺平衡纸的抗拉 强度 225N， 所述下三聚氰胺平衡纸的湿抗拉强度 26N。
[权利要求 14] 根据权利要求 11所述的制备方法， 其特征在于：
所述分段式升温设置为第一段升温、 第二段升温、 第三段升温、 第四 段升温；
所述第一段升温的温度为 0°C至 40°C， 所述压机进行所述第一段升温 时， 所述压机闭合后开始升温并在温度升到 40°C时停止升温， 所述压 机维持保压状态 60S， 所述压机的压力为 6Mpa至 lOMpa;
所述第二段升温的温度为 60°C至 80°C， 所述压机进行所述第二段升温 时， 所述压机温度到达设定温度时停止升温， 所述压机维持保压状态 60S , 所述压机的压力为 8Mpa至 12Mpa;
所述第三段升温的温度为 100。（：至 120。（：， 所述压机进行所述第三段升 温时， 所述压机温度到达设定温度时停止升温， 所述压机的压力为 10 Mpa至 13Mpa， 所述压机的保压时间为 300S;
所述第四段升温的温度为 130°C至 150°C， 所述压机进行所述第四段升 温时， 所述压机温度到达设定温度时停止升温， 所述压机的压力为 13 Mpa至 15Mpa， 所述压机的保压时间为 300S;
所述分段式降温设置为第一段降温、 第二段降温、 第三段降温； 所述压机进行所述第一段降温时， 所述压机的温度降为 100°C至 120°C ， 所述压机的压力降至 8Mpa至 12Mpa， 所述压机的保压时间为 350S 所述压机进行所述第二段降温时， 所述压机的温度降为 60°C至 80°C， 所述压机的压力降至 6Mpa至 lOMpa， 所述压机的保压时间为 200S; 所述压机进行所述第三段降温时， 所述压机的温度降为（TC至 40。（：， 所述压机的压力降至 OMpa， 所述压机的保压时间为 300S
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