WO2019061518A1 - 石塑热压地板及其生产方法 - Google Patents

石塑热压地板及其生产方法 Download PDF

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Publication number
WO2019061518A1
WO2019061518A1 PCT/CN2017/105072 CN2017105072W WO2019061518A1 WO 2019061518 A1 WO2019061518 A1 WO 2019061518A1 CN 2017105072 W CN2017105072 W CN 2017105072W WO 2019061518 A1 WO2019061518 A1 WO 2019061518A1
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WIPO (PCT)
Prior art keywords
layer
stone
plastic
hot
wear
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PCT/CN2017/105072
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English (en)
French (fr)
Inventor
戴会斌
Original Assignee
浙江晶通塑胶有限公司
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Application filed by 浙江晶通塑胶有限公司 filed Critical 浙江晶通塑胶有限公司
Priority to PCT/CN2017/105072 priority Critical patent/WO2019061518A1/zh
Priority to CA3026688A priority patent/CA3026688C/en
Priority to CN201780074642.8A priority patent/CN110191803B/zh
Priority to DE112017004079.5T priority patent/DE112017004079T5/de
Priority to US16/314,372 priority patent/US10968640B2/en
Publication of WO2019061518A1 publication Critical patent/WO2019061518A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
    • B29C39/20—Making multilayered or multicoloured articles
    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/02—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica the layer of fibres or particles being impregnated or embedded in a plastic substance
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • 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
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • C08J5/121—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives by heating
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/08—Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B32B2264/108—Carbon, e.g. graphite particles
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/12—Mixture of at least two particles made of different materials
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • 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
    • B32B2307/536—Hardness
    • 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
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • 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
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • 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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • 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

Definitions

  • the invention relates to a stone plastic hot pressing floor and a production method thereof, and belongs to the field of building materials.
  • Stone-plastic floor also known as stone-plastic floor tile, is a new type of floor decoration material developed by high-quality, high-tech research. It uses natural marble powder to form a solid base layer of high-density, high-fiber mesh structure. The highly wear-resistant polymer PVC wear-resistant layer is processed through hundreds of processes.
  • stone plastic flooring Compared with other floor decoration materials, stone plastic flooring has the following major advantages: 1) Green and environmental protection: The main raw material for producing stone plastic flooring is natural stone powder, which is a new environmentally friendly ground decoration material. 2) Stone plastic has good stability and will not bulge and warp. 3) Super wear-resisting: There is a special high-tech processed transparent wear-resistant layer on the surface of stone-plastic floor, which can reach 300,000 revolutions. In the traditional floor materials, the wear-resistant laminate flooring has a wear resistance of only 13,000 rpm, and the good laminate flooring is only 20,000 rpm. The super wear-resistant layer specially treated on the surface fully guarantees the excellent wear resistance of the floor material.
  • the comfort of the foot is called “soft gold of the ground material”, and the stone
  • the plastic floor has strong impact resistance and has strong elastic recovery for heavy impact damage without damage.
  • Excellent stone-plastic floor can minimize the damage of the ground to the human body, and can spread the impact on the foot, the latest research
  • the data shows that after laying a good stone-plastic floor in a space with a large flow of people, the rate of falling and injury of people is nearly 70% lower than other floors.
  • Super anti-slip The wear-resistant layer on the surface of stone-plastic floor has special anti-slip property, and compared with ordinary floor materials, the stone-plastic floor is more sturdy in the case of sticky water, and it is not easy to slip, that is, the more The more you meet the water.
  • Fire retardant The fireproof index of qualified stone plastic floor can reach B1 level, and the fireproof performance of B1 grade is very good, second only to stone.
  • the existing stone-plastic hot-pressed floor has the defects of high mute value, high density of products, and poor foot feeling.
  • the present invention provides a stone-plastic hot-pressed floor, comprising a stone-plastic base portion, comprising a middle layer, a stone-plastic substrate layer and a bottom layer arranged in parallel in sequence; a color film layer, located On the upper surface side of the stone plastic base portion; a first wear layer on the upper surface side of the color film layer; and a second wear layer on the lower surface side of the stone plastic base portion;
  • Both the middle layer and the bottom layer are mainly composed of polyvinyl chloride, a plasticizer, a stabilizer, carbon black and stone powder.
  • the invention increases the middle layer and the bottom layer symmetrically with respect to the stone plastic substrate layer, and the middle layer and the bottom layer are mainly composed of polyvinyl chloride, plasticizer, stabilizer, carbon black and
  • the stone powder composition, the symmetrically disposed first wear layer and the second wear layer achieves the tension balance of the stone plastic substrate layer, reduces the density of the product under the condition of ensuring the stability of the product, and improves the feeling of the foot. , reducing the mute value.
  • the first wear layer and the second wear layer have a thickness of 0.07-0.7 mm
  • the color film layer has a thickness of 0.07-0.7 mm
  • the stone plastic substrate layer has a thickness of 1.5-4.0 mm.
  • the thickness of the middle layer is 1.8-2.0 mm
  • the thickness of the bottom layer is 1.6-1.8 mm.
  • the first wear layer and the second wear layer have a density of 1.10 to 1.40 g/cm 3 .
  • the weight percentage of the polyvinyl chloride, the plasticizer, the stabilizer, the carbon black, and the stone powder in the middle layer is 100: (35-40): (2-5): (0.5-2): ( 400-500).
  • the weight percentage of the polyvinyl chloride, the plasticizer, the stabilizer, the carbon black, and the stone powder in the primer layer is 100: (25-35): (2-5): (0.5-2): ( 100-200).
  • the plasticizer uses dioctyl terephthalate.
  • the shrinkage rate of the stone plastic hot pressing floor is 0.60-0.90%.
  • the stone plastic hot pressing floor has an expansion ratio of 0.10-0.15%.
  • the stone plastic hot pressing floor has a mute value of 65-75 decibels.
  • the invention also provides a method for producing a stone-plastic hot-pressed floor, wherein the stone-plastic hot-pressed floor is the above-mentioned stone-plastic hot-pressed floor, comprising the following steps:
  • the raw material of the bottom layer is fed according to the ratio and mixed to obtain the intermediate layer of the bottom layer, and then the intermediate layer intermediate is densely kneaded and calendered to obtain a bottom layer sheet;
  • the middle layer raw material is added according to the ratio and mixed to obtain the intermediate layer intermediate, and then the middle layer intermediate is densely kneaded and calendered to obtain the middle layer sheet;
  • the stone-plastic substrate sheet is obtained by mixing, mixing and calendering the raw materials of the stone-plastic substrate;
  • the first wear layer film, the color film, the middle layer sheet, the stone plastic substrate sheet, the bottom layer sheet and the second wear layer film are sequentially assembled, and then subjected to a hot pressing process to obtain a final Finished product.
  • the pressure in the hot pressing process is controlled at 3-6 MPa, the temperature is controlled at 125-145 ° C, and the hot pressing time is controlled at 1500-2100 s.
  • the method for producing the stone-plastic hot-pressed floor further comprises a cold pressing process, the cold pressing process is after the hot pressing process, and the cold pressing process comprises a cold pressing section and a cold pressing section.
  • the pressure is controlled at 5-8 MPa, the temperature is controlled at 80-145 ° C, and the temperature is cold.
  • the pressure time is controlled at 600-800 s.
  • the pressure is controlled at 8-15 MPa
  • the temperature is controlled at 23-80 ° C
  • the cold pressing time is controlled at 800-1000 s.
  • the bottom layer intermediate or middle layer intermediate or stone plastic substrate is further subjected to a slicing operation after the calendering operation.
  • the invention improves the lock tension of the stone-plastic hot-pressed floor by increasing the middle layer and the bottom layer and controlling the weight ratio thereof, and also reduces the density and hardness of the product, reduces the hardness of the product, and improves the feeling of the product. .
  • the invention provides a stone-plastic hot-pressed floor, comprising a stone-plastic base part, comprising a middle material layer, a stone-plastic base material layer and a bottom material layer arranged in parallel, and a color film layer, which is located on the stone plastic base part. a side of the surface; a first wear layer on the upper surface side of the color film layer; and a second wear layer on the lower surface side of the stone plastic base portion; wherein the middle layer and the bottom layer They are mainly composed of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder.
  • the first wear layer and the second wear layer have a thickness of 0.07-0.7 mm
  • the color film layer has a thickness of 0.07-0.7 mm
  • the stone plastic substrate layer has a thickness of 1.5-4.0 mm.
  • the thickness of the layer is 1.8-2.0 mm
  • the thickness of the primer layer is 1.6-1.8 mm.
  • the first wear layer and the second wear layer have a density of 1.10 to 1.40 g/cm 3 .
  • the density of the base layer is Shisu 1.8-2.1g / cm 3
  • the density of the primer layer is 1.6-2.0g / cm 3.
  • the weight percentage of the polyvinyl chloride, the plasticizer, the stabilizer, the carbon black and the stone powder in the middle layer is 100: (35-40): (2-5): (0.5-2): (400- 500).
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the bottom layer is 100: (25-35): (2-5): (0.5-2): (100- 200).
  • the shrinkage ratio of the stone-plastic hot-pressed floor is 0.60-0.90%.
  • the mute value of the stone plastic hot pressing floor is 65-75 decibels.
  • the raw material of the bottom layer is fed according to the ratio and mixed to obtain the intermediate layer of the bottom layer, and then the intermediate layer intermediate is densely kneaded and calendered to obtain a bottom layer sheet;
  • the middle layer raw material is added according to the ratio and mixed to obtain the intermediate layer intermediate, and then the middle layer intermediate is densely kneaded and calendered to obtain the middle layer sheet;
  • the first wear layer film, the color film, the middle layer sheet, the stone plastic substrate sheet, the bottom layer sheet and the second wear layer film are sequentially assembled, and then subjected to a hot pressing process to obtain a final Finished product.
  • the pressure in the hot pressing process is controlled at 3-6 MPa
  • the temperature is controlled at 125-145 ° C
  • the hot pressing time is controlled at 1500-2100 s.
  • the pressure is controlled at 8-15 MPa
  • the temperature is controlled at 23-80 ° C
  • the cold pressing time is controlled at 800-1000 s.
  • the bottom layer intermediate or middle layer intermediate or stone plastic substrate is further subjected to a slicing operation after the calendering operation.
  • the first wear layer and the second wear layer have a density of 1.10 g/cm 3 .
  • the density of the stone-plastic substrate layer was 1.8 g/cm 3
  • the density of the middle layer was 1.6 g/cm 3
  • the density of the primer layer was 1.6 g/cm 3 .
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the middle layer is 100:35:2-5:0.5:400.
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the primer layer is 100:25:2:0.5:100.
  • the production process includes the following steps:
  • the pressure is controlled at 3 MPa
  • the temperature is controlled at 125 ° C
  • the hot pressing time is controlled at 1500 s.
  • the cold pressing process comprises an operation of cold pressing one section and cold pressing two sections.
  • the pressure is controlled at 5 MPa
  • the temperature is controlled at 80 ° C
  • the cold pressing time is controlled at 600 s.
  • the pressure is controlled at 8 MPa
  • the temperature is controlled at 23 ° C
  • the cold pressing time is controlled at 800 s.
  • a stone plastic hot pressing floor, a stone plastic hot pressing floor comprising a stone plastic base part, comprising a middle material layer, a stone plastic substrate layer and a bottom material layer arranged in parallel; a color film layer, located in the stone plastic a side of the upper surface of the base portion; a first wear layer located on the upper surface side of the color film layer; And a second wear layer on the lower surface side of the stone plastic base portion; wherein the middle layer and the bottom layer are mainly composed of polyvinyl chloride, dioctyl terephthalate, stabilizer, carbon black And stone powder composition.
  • the thickness of the first wear layer and the second wear layer is 0.7 mm
  • the thickness of the color film layer is 0.7 mm
  • the thickness of the stone plastic substrate layer is 4.0 mm
  • the thickness of the middle material layer is 2.0 mm.
  • the thickness of the primer layer was 1.8 mm.
  • the first wear layer and the second wear layer have a density of 1.40 g/cm 3 .
  • the density of the stone-plastic substrate layer was 2.1 g/cm 3
  • the density of the middle layer was 2.0 g/cm 3
  • the density of the primer layer was 2.0 g/cm 3 .
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the primer layer is 100:35:5:2:200.
  • the production process includes the following steps:
  • the first wear layer film, the color film, the middle layer sheet, the stone plastic substrate sheet, the bottom layer sheet and the second wear layer film are sequentially assembled, and then subjected to a hot pressing process and The cold pressing process gives the final product.
  • the pressure is controlled at 6 MPa
  • the temperature is controlled at 145 ° C
  • the hot pressing time is controlled at 2100 s.
  • the cold pressing process comprises an operation of cold pressing one section and cold pressing two sections.
  • the pressure is controlled at 8 MPa
  • the temperature is controlled at 145 ° C
  • the cold pressing time is controlled at 800 s.
  • the pressure is controlled at 15 MPa
  • the temperature is controlled at 80 ° C
  • the cold pressing time is controlled at 1000 s.
  • a stone plastic hot pressing floor, a stone plastic hot pressing floor comprising a stone plastic base part, comprising a middle material layer, a stone plastic substrate layer and a bottom material layer arranged in parallel; a color film layer, located in the stone plastic a side of the upper surface of the base portion; a first wear layer on the upper surface side of the color film layer; and a second wear layer on the lower surface side of the stone plastic base portion; wherein the middle layer Both the bottom layer and the bottom layer are mainly composed of polyvinyl chloride, dioctyl terephthalate, stabilizer, carbon black and stone powder.
  • the first wear layer and the second wear layer have a density of 1.4 g/cm 3 .
  • the density of the stone-plastic substrate layer was 1.95 g/cm 3
  • the density of the middle layer was 1.9 g/cm 3
  • the density of the primer layer was 1.9 g/cm 3 .
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the middle layer is 100:37.5:3.5:1.25:450.
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the primer layer is 100:30:3.5:1.25:150.
  • the production process includes the following steps:
  • the first wear layer film, the color film, the middle layer sheet, the stone plastic substrate sheet, the bottom layer sheet and the second wear layer film are sequentially assembled, and then subjected to a hot pressing process and The cold pressing process gives the final product.
  • the pressure is controlled at 4.5 MPa
  • the temperature is controlled at 135 ° C
  • the hot pressing time is controlled at 1800 s.
  • the cold pressing process comprises an operation of cold pressing one section and cold pressing two sections.
  • the pressure is controlled at 6.5 MPa
  • the temperature is controlled at 112.5 ° C
  • the cold press time is controlled at 700 s.
  • the pressure is controlled at 11.5 MPa
  • the temperature is controlled at 51.5 ° C
  • the cold pressing time is controlled at 900 s.
  • a stone plastic hot pressing floor, a stone plastic hot pressing floor comprising a stone plastic base part, comprising a middle material layer, a stone plastic substrate layer and a bottom material layer arranged in parallel, and a color film layer, located in the stone a side of the upper surface of the plastic base portion; a first wear layer on the upper surface side of the color film layer; and a second wear layer on the lower surface side of the stone plastic base portion; wherein the middle material
  • Both the layer and the primer layer are mainly composed of polyvinyl chloride, dioctyl terephthalate, a stabilizer, carbon black and stone powder.
  • the thickness of the first wear layer and the second wear layer is 0.85 mm
  • the thickness of the color film layer is 0.85 m
  • the thickness of the stone plastic substrate layer is 4.1 mm
  • the thickness of the middle material layer is 1.9 mm.
  • the thickness of the primer layer was 1.7 mm.
  • the first wear layer and the second wear layer have a density of 1.25 g/cm 3 .
  • the density of the stone-plastic substrate layer was 3.4 g/cm 3
  • the density of the middle layer was 1.8 g/cm 3
  • the density of the primer layer was 1.8 g/cm 3 .
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the middle layer is 100:42:7:3:600.
  • the weight percentage of polyvinyl chloride, plasticizer, stabilizer, carbon black and stone powder in the primer layer is 100:37:7:3:300.
  • the production process includes the following steps:
  • the cold pressing process comprises an operation of cold pressing one section and cold pressing two sections.
  • the pressure in the middle section is controlled at 9 MPa, the temperature is controlled at 155 ° C, and the cold pressing time is controlled at 900 s.
  • the pressure in the cold pressure two sections is controlled at 17 MPa, the temperature is controlled at 90 ° C, and the cold pressing time is controlled at 1200 s.

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Abstract

一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；一彩膜层，位于在石塑基料部分上表面一侧；一第一耐磨层，位于在彩膜层上表面一侧；以及一第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成。通过增加相对于石塑基材层对称设置的中料层和底料层，且所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成，对称配置的第一耐磨层和第二耐磨层，实现了石塑基材层的张力平衡，在保证产品的稳定性的条件下，降低了产品的密度，同时改善了脚感，降低了静音值。

Description

石塑热压地板及其生产方法 技术领域
本发明涉及一种石塑热压地板及其生产方法，属于建筑材料领域。
背景技术
石塑地板又称之为石塑地砖，是一种高品质、高科技研究开发出来的新型地面装饰材料，采用天然的大理石粉构成高密度、高纤维网状结构的坚实基层，表面覆以超强耐磨的高分子PVC耐磨层，经上百道工序加工而成。
与其他地面装饰材料相比，石塑地板有以下几大优点：1)绿色环保：生产石塑地板的主要原料是天然石粉，是绿色环保的新型地面装饰材料。2)石塑稳定性好，不会拱起和翘曲。3)超强耐磨：石塑地板表面有一层特殊的经高科技加工的透明耐磨层，其耐磨转数可达300000转。在传统的地面材料中较为耐磨的强化木地板耐磨转数仅有13000转，好的强化地板也仅有20000转。表面特殊处理的超强耐磨层充分保证了地面材料的优异的耐磨性能，石塑地板表面的耐磨层根据厚度的不同在正常情况下可使用5—10年，耐磨层的厚度及质量直接决定了石塑地板的使用时间，标准测试结果显示0.55mm厚的耐磨层地面可以在正常情况下使用5年以上，0.7mm厚的耐磨层地面足以使用10年以上，所以更是超强耐磨的。因为具有超强的耐磨性，所以在人流量较大的医院、学校、办公楼、商场、超市、交通工具等场所，石塑地板越来越受到欢迎。4)高弹性和超强抗冲击：石塑地板质地较软所以弹性很好，在重物的冲击下有着良好的弹性恢复，其脚感舒适被称之为“地材软黄金”，同时石塑地板具有很强的抗冲击性，对于重物冲击破坏有很强的弹性恢复，不会造成损坏。优异的石塑地板能最大限度的降低地面对人体的伤害，并可以分散对足部的冲击，最新研 究数据表明，在人流量较大的空间铺装了优异的石塑地板后，其人员摔倒及受伤的比率较其它地板减少了近70％。5)超强防滑：石塑地板表层的耐磨层有特殊的防滑性，而且与普通的地面材料相比，石塑地板在粘水的情况下脚感更涩，更不容易滑到，即越遇水越涩。6)防火阻燃：质量合格的石塑地板防火指标可达B1级，B1级也就是说防火性能非常出色，仅次于石材。
现有的石塑热压地板具有静音值高、产品的密度较高、脚感差的缺陷。
发明内容
(一)要解决石塑热压地板的技术问题
本发明的目的是提供一种，解决了现有的石塑热压地板产品的密度较高、脚感差和静音值高的缺陷。
(二)技术方案
为了解决上述技术问题，本发明提供的一种石塑热压地板，包括一石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；一彩膜层，位于在石塑基料部分上表面一侧；一第一耐磨层，位于在彩膜层上表面一侧；以及一第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成。
本发明通过增加相对于石塑基材层对称设置的中料层和底料层，且所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成，对称配置的第一耐磨层和第二耐磨层，实现了石塑基材层的张力平衡，在保证产品的稳定性的条件下，降低了产品的密度，同时改善了脚感，降低了静音值。
可选的，所述第一耐磨层和第二耐磨层的厚度为0.07-0.7mm，所述彩膜层的厚度，0.07-0.7mm；石塑基材层的厚度为1.5-4.0mm，中料层的厚度为1.8-2.0mm，底料层的厚度为1.6-1.8mm。
可选的，所述第一耐磨层和第二耐磨层的密度为1.10-1.40g/cm3。
可选的，所述石塑基材层的密度为1.8-2.1g/cm3，中料层的密度为1.6-2.0g/cm3，底料层的密度为1.6-2.0g/cm3。
可选的，所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(35-40)：(2-5)：(0.5-2)：(400-500)。
可选的，所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(25-35)：(2-5)：(0.5-2)：(100-200)。
可选的，所述增塑剂采用对苯二甲酸二辛酯。
可选的，所述石塑热压地板的收缩率为0.60-0.90％。
可选的，所述石塑热压地板的膨胀率为0.10-0.15％。
可选的，所述石塑热压地板的静音值为65-75分贝。
本发明还提供的一种石塑热压地板的生产方法，所述石塑热压地板为上述的石塑热压地板，包括以下步骤：
按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
按石塑基材的原料混料、密炼、压延得到石塑基材片材；
将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序，得到最终成品。
可选的，所述热压工序中压力控制在3-6MPa，温度控制在125-145℃，热压时间控制在1500-2100s。
可选的，所述石塑热压地板的生产方法还包括冷压工序，所述冷压工序位于热压工序之后，所述冷压工序包括冷压一段和冷压二段的操作。
在所述冷压一段中压力控制在5-8MPa，温度控制在80-145℃，冷 压时间控制在600-800s。
可选的，在所述冷压二段中压力控制在8-15MPa，温度控制在23-80℃，冷压时间控制在800-1000s。
可选的，所述底料层中间体或中料层中间体或石塑基材在压延操作后，还进行切片操作。
(三)有益效果
本发明提供的一种石塑热压地板，其具有以下优点：
本发明通过增加中料层和底料层，并控制其重量比，提高了石塑热压地板锁扣拉力，同时还降低了产品的密度和硬度，产品硬度的下降，改善了产品的脚感。
具体实施方式
下面结合实施例，对本发明的具体实施方式作进一步详细描述。以下实例用于说明本发明，但不用来限制本发明的范围。
本发明中所有的“一”应理解为“至少一”或者“一个或两个或多个”。
本发明提供的一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；彩膜层，位于在石塑基料部分上表面一侧；第一耐磨层，位于在彩膜层上表面一侧；以及第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成。
其中，所述第一耐磨层和第二耐磨层的厚度为0.07-0.7mm，所述彩膜层的厚度，0.07-0.7mm；石塑基材层的厚度为1.5-4.0mm，中料层的厚度为1.8-2.0mm，底料层的厚度为1.6-1.8mm。
其中，所述第一耐磨层和第二耐磨层的密度为1.10-1.40g/cm3。
其中，所述石塑基材层的密度为1.8-2.1g/cm3，中料层的密度为1.6-2.0g/cm3，底料层的密度为1.6-2.0g/cm3。
其中，所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(35-40)：(2-5)：(0.5-2)：(400-500)。
其中，所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(25-35)：(2-5)：(0.5-2)：(100-200)。
其中，所述增塑剂采用对苯二甲酸二辛酯。
其中，所述石塑热压地板的收缩率为0.60-0.90％。
其中，所述石塑热压地板的膨胀率为0.10-0.15％。
其中，所述石塑热压地板的静音值为65-75分贝。
本发明还提供的一种石塑热压地板的生产方法，所述石塑热压地板为上述的石塑热压地板，包括以下步骤：
按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
按石塑基材的原料混料、密炼、压延得到石塑基材片材；
将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序，得到最终成品。
其中，所述热压工序中压力控制在3-6MPa，温度控制在125-145℃，热压时间控制在1500-2100s。
其中，所述石塑热压地板的生产方法还包括冷压工序，所述冷压工序位于热压工序之后，所述冷压工序包括冷压一段和冷压二段的操作。
在所述冷压一段中压力控制在5-8MPa，温度控制在80-145℃，冷压时间控制在600-800s。
其中，在所述冷压二段中压力控制在8-15MPa，温度控制在23-80℃，冷压时间控制在800-1000s。
其中，所述底料层中间体或中料层中间体或石塑基材在压延操作后，还进行切片操作。
本发明中石塑基材配方为:
名称 用量(kg)
PVC-SG5 50
400目石粉 110
稳定剂 6
硬脂酸 0.7
PE蜡 0.6
ACR 4
CPE(氯化聚乙烯) 4
ACR为抗冲改性剂系列。
下面通过实施例进行具体说明
实施例1：
一种石塑热压地板，一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；彩膜层，位于在石塑基料部分上表面一侧；第一耐磨层，位于在彩膜层上表面一侧；以及第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、对苯二甲酸二辛酯、稳定剂、炭黑和石粉组成。
所述第一耐磨层和第二耐磨层的厚度为0.07mm，所述彩膜层的厚度，0.07mm；石塑基材层的厚度为1.5mm，中料层的厚度为1.8mm，底料层的厚度为1.6mm。
所述第一耐磨层和第二耐磨层的密度为1.10g/cm3。所述石塑基材层的密度为1.8g/cm3，中料层的密度为1.6g/cm3，底料层的密度为1.6g/cm3。
所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：35：2-5：0.5：400。所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：25：2：0.5：100。
其生产工艺为包括以下步骤：
1)按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
2)按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
3)按石塑基材的原料混料、密炼、压延和切片得到石塑基材片材；
4)将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序和冷压工序，得到最终成品。
其中，在热压工序中压力控制在3MPa，温度控制在125℃，热压时间控制在1500s。
其中，所述冷压工序包括冷压一段和冷压二段的操作。在所述冷压一段中压力控制在5MPa，温度控制在80℃，冷压时间控制在600s。其中，在所述冷压二段中压力控制在8MPa，温度控制在23℃，冷压时间控制在800s。
得到的产品性能如下：
项目名称 石塑热压
硬度 65HD
50℃膨胀率 0.10％
80℃收缩率 0.60％
80℃翘曲 0.4mm
静音值 65分贝
实施例2：
一种石塑热压地板，一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；彩膜层，位于在石塑基料部分上表面一侧；第一耐磨层，位于在彩膜层上表面一侧；以 及第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、对苯二甲酸二辛酯、稳定剂、炭黑和石粉组成。
所述第一耐磨层和第二耐磨层的厚度为0.7mm，所述彩膜层的厚度，0.7mm；石塑基材层的厚度为4.0mm，中料层的厚度为2.0mm，底料层的厚度为1.8mm。
所述第一耐磨层和第二耐磨层的密度为1.40g/cm3。所述石塑基材层的密度为2.1g/cm3，中料层的密度为2.0g/cm3，底料层的密度为2.0g/cm3。
所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：40：5：2：500。
所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：35：5：2：200。
其生产工艺为包括以下步骤：
1)按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
2)按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
3)按石塑基材的原料混料、密炼、压延和切片得到石塑基材片材；
4)将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序和冷压工序，得到最终成品。
其中，在热压工序中压力控制在6MPa，温度控制在145℃，热压时间控制在2100s。
其中，所述冷压工序包括冷压一段和冷压二段的操作。在所述冷压一段中压力控制在8MPa，温度控制在145℃，冷压时间控制在800s。 其中，在所述冷压二段中压力控制在15MPa，温度控制在80℃，冷压时间控制在1000s。
得到的产品性能如下：
项目名称 石塑热压
硬度 62HD
50℃膨胀率 0.15％
80℃收缩率 0.9％
80℃翘曲 0.3mm
静音值 75分贝
实施例3：
一种石塑热压地板，一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；彩膜层，位于在石塑基料部分上表面一侧；第一耐磨层，位于在彩膜层上表面一侧；以及第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、对苯二甲酸二辛酯、稳定剂、炭黑和石粉组成。
所述第一耐磨层和第二耐磨层的厚度为0.45mm，所述彩膜层的厚度，0.45m；石塑基材层的厚度为2.75mm，中料层的厚度为1.5mm，底料层的厚度为0.05mm。
所述第一耐磨层和第二耐磨层的密度为1.4g/cm3。所述石塑基材层的密度为1.95g/cm3，中料层的密度为1.9g/cm3，底料层的密度为1.9g/cm3。
所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：37.5：3.5：1.25：450。
所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：30：3.5：1.25：150。
其生产工艺为包括以下步骤：
1)按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
2)按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
3)按石塑基材的原料混料、密炼、压延和切片得到石塑基材片材；
4)将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序和冷压工序，得到最终成品。
其中，在热压工序中压力控制在4.5MPa，温度控制在135℃，热压时间控制在1800s。
其中，所述冷压工序包括冷压一段和冷压二段的操作。在所述冷压一段中压力控制在6.5MPa，温度控制在112.5℃，冷压时间控制在700s。其中，在所述冷压二段中压力控制在11.5MPa，温度控制在51.5℃，冷压时间控制在900s。
项目名称 石塑热压
硬度 63HD
50℃膨胀率 0.12％
80℃收缩率 0.75％
80℃翘曲 0.3mm
静音值 70分贝
对比例1：
一种石塑热压地板，一种石塑热压地板，包括石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；彩膜层，位于在石 塑基料部分上表面一侧；第一耐磨层，位于在彩膜层上表面一侧；以及第二耐磨层，位于石塑基料部分的下表面一侧；其中所述的中料层和底料层均主要由聚氯乙烯、对苯二甲酸二辛酯、稳定剂、炭黑和石粉组成。
所述第一耐磨层和第二耐磨层的厚度为0.85mm，所述彩膜层的厚度，0.85m；石塑基材层的厚度为4.1mm，中料层的厚度为1.9mm，底料层的厚度为1.7mm。
所述第一耐磨层和第二耐磨层的密度为1.25g/cm3。所述石塑基材层的密度为3.4g/cm3，中料层的密度为1.8g/cm3，底料层的密度为1.8g/cm3。
所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：42：7：3：600。
所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：37：7：3：300。
其生产工艺为包括以下步骤：
1)按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
2)按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
3)按石塑基材的原料混料、密炼、压延和切片得到石塑基材片材；
4)将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序和冷压工序，得到最终成品。
其中，在热压工序中压力控制在6.0MPa，温度控制在160℃，热压时间控制在2300s。
其中，所述冷压工序包括冷压一段和冷压二段的操作。在所述冷 压一段中压力控制在9MPa，温度控制在155℃，冷压时间控制在900s。其中，在所述冷压二段中压力控制在17MPa，温度控制在90℃，冷压时间控制在1200s。
项目名称 石塑热压
硬度 63HD
50℃膨胀率 0.20％
80℃收缩率 1.21％
80℃翘曲 0.5mm
静音值 90分贝
现有市面上的普通石塑地板的产品性能为：
项目名称 石塑热压
硬度 75HD
50℃膨胀率 0.32％
80℃收缩率 1.75％
80℃翘曲 0.7mm
静音值 105分贝
综上所述，通过实施例1、2可以看出，采取供工艺范围内的技术，得到热压石塑地板的密度低于现有的产品，其硬度低于现有产品；而50℃膨胀率、80℃收缩率、静音值大大低于现有产品，使得产品的成品率大大提高。
通过对比例1，可以看出，超出实施例1、2的工艺范围后，硬度、50℃膨胀率、80℃收缩率、80℃翘曲更接近现有产品，远不如实施例 1、2、3的产品性能。
以上所述仅为本发明的优选实施例，并非因此即限制本发明的专利保护范围，凡是运用本发明说明书内容所作的等效结构变换，直接或间接运用在其他相关的技术领域，均同理包括在本发明的保护范围内。

Claims (16)

  1. 一种石塑热压地板，其特征在于，包括：
    一石塑基料部分，包括依次并列设置的中料层、石塑基材层和底料层；
    一彩膜层，位于在石塑基料部分上表面一侧；
    一第一耐磨层，位于在彩膜层上表面一侧；以及
    一第二耐磨层，位于石塑基料部分的下表面一侧；
    其中所述的中料层和底料层均主要由聚氯乙烯、增塑剂、稳定剂、炭黑和石粉组成。
  2. 如权利要求1所述的石塑热压地板，其特征在于，所述第一耐磨层和第二耐磨层的厚度为0.07-0.7mm，所述彩膜层的厚度，0.07-0.7mm；石塑基材层的厚度为1.5-4.0mm，中料层的厚度为1.8-2.0mm，底料层的厚度为1.6-1.8mm。
  3. 如权利要求2所述的石塑热压地板，其特征在于，所述第一耐磨层和第二耐磨层的密度为1.10-1.40g/cm3。
  4. 如权利要求3所述的石塑热压地板，其特征在于，所述石塑基材层的密度为1.8-2.1g/cm3，中料层的密度为1.6-2.0g/cm3，底料层的密度为1.6-2.0g/cm3。
  5. 如权利要求1所述的石塑热压地板，其特征在于，所述中料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(35-40)：(2-5)：(0.5-2)：(400-500)。
  6. 如权利要求1所述的石塑热压地板，其特征在于，所述底料层中聚氯乙烯、增塑剂、稳定剂、炭黑和石粉的重量百分比为100：(25-35)：(2-5)：(0.5-2)：(100-200)。
  7. 如权利要求1所述的石塑热压地板，其特征在于，所述增塑剂采用对苯二甲酸二辛酯。
  8. 如权利要求1至7任意一项权利要求所述的石塑热压地板，其 特征在于，所述石塑热压地板的收缩率为0.60-0.90％。
  9. 如权利要求1至7任意一项权利要求所述的石塑热压地板，其特征在于，所述石塑热压地板的膨胀率为0.10-0.15％。
  10. 如权利要求1至7任意一项权利要求所述的石塑热压地板，其特征在于，所述石塑热压地板的静音值为65-75分贝。
  11. 一种石塑热压地板的生产方法，其特征在于，所述石塑热压地板为权利要求1至10任意一项权利要求所述的石塑热压地板，包括以下步骤：
    按配比投入底料层原料并混料，得到底料层中间体，然后将底料层中间体密炼、压延得到底料层片材；
    按配比投入中料层原料并混料，得到中料层中间体，然后将中料层中间体密炼、压延得到中料层片材；
    按石塑基材的得到石塑基材片材；
    将第一耐磨层薄膜、彩膜、中料层片材、石塑基材片材、底料层片材和第二耐磨层薄膜按顺序依次拼好，然后进行热压工序，得到最终成品。
  12. 如权利要求11所述的石塑热压地板的生产方法，其特征在于，所述热压工序中压力控制在3-6MPa，温度控制在125-145℃，热压时间控制在1500-2100s。
  13. 如权利要求11所述的石塑热压地板的生产方法，其特征在于，还包括冷压工序，所述冷压工序位于热压工序之后，所述冷压工序包括冷压一段和冷压二段的操作。
  14. 如权利要求13所述的石塑热压地板的生产方法，其特征在于，在所述冷压一段中压力控制在5-8MPa，温度控制在80-145℃，冷压时间控制在600-800s。
  15. 如权利要求13所述的石塑热压地板的生产方法，其特征在于，在所述冷压二段中压力控制在8-15MPa，温度控制在23-80℃，冷压时 间控制在800-1000s。
  16. 如权利要求11所述的石塑热压地板的生产方法，其特征在于，所述底料层中间体或中料层中间体或石塑基材在压延操作后，还进行切片操作。
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