CN111267448A - NON-PVC base material 3D printing floor and preparation method thereof - Google Patents

NON-PVC base material 3D printing floor and preparation method thereof Download PDF

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Publication number
CN111267448A
CN111267448A CN202010228436.1A CN202010228436A CN111267448A CN 111267448 A CN111267448 A CN 111267448A CN 202010228436 A CN202010228436 A CN 202010228436A CN 111267448 A CN111267448 A CN 111267448A
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China
Prior art keywords
layer
floor
printing
solid wood
pvc
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CN202010228436.1A
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Chinese (zh)
Inventor
唐道远
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Anhui Sentai Wpc Technology Floor Co ltd
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Anhui Sentai Wpc Technology Floor Co ltd
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Priority to CN202010228436.1A priority Critical patent/CN111267448A/en
Priority to PCT/CN2020/081949 priority patent/WO2021189501A1/en
Publication of CN111267448A publication Critical patent/CN111267448A/en
Pending legal-status Critical Current

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    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/007—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • 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
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical 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
    • 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
    • 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
    • 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
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/08—Coating on the layer surface on wood layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • 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
    • B32B2264/06—Vegetal particles
    • B32B2264/062—Cellulose particles, e.g. cotton
    • B32B2264/067—Wood 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical 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

Abstract

The invention discloses an NON-PVC (NON-oriented polyvinyl chloride) substrate type 3D (three-dimensional) printing floor which comprises an NON-PVC substrate layer, wherein a balance layer and a solid wood layer are sequentially arranged on the NON-PVC substrate layer, a UV (ultraviolet) primer layer is arranged on the surface of the solid wood layer, a white UV paint layer is arranged on the UV primer layer, a printing pattern layer is arranged on the surface of the white UV paint layer, and a concave-convex effect layer is arranged on the surface of the printing pattern layer. According to the invention, the expansion and shrinkage difference between the base material layer and the solid wood layer is balanced by the balance layer, so that the firmness of connection between the solid wood layer and the base material layer is ensured, and the solid wood layer is prevented from warping.

Description

NON-PVC base material 3D printing floor and preparation method thereof
Technical Field
The invention relates to an indoor floor, in particular to an NON-PVC base material type 3D printing floor and a preparation method of the NON-PVC base material type 3D printing floor.
Background
As one of the decorative materials, the wooden decorative board is widely applied due to the unique style of nature and simplicity. However, the fabric of the existing wood decorative board generally adopts materials such as wood skin and bamboo chips, the material quality of the product is single, the pattern is simple, compared with the diversified decorative style which is continuously and abundantly developed at present, the decorative effect of the wood decorative board is more and more flat, and the use and aesthetic requirements of the current consumers cannot be met.
For this reason, chinese utility model that patent publication number is CN208686011U specially does benefit to 2019 and 4 months 2 days and discloses a 3D prints solid wood floor, utilize UV printing technology to form UV mimeograph layer, can print production according to preset pattern or user customization pattern, drench lacquer in top layer UV again and form the protective layer, not only make floor style colorful changeable, the effect is meticulous, and production and processing is convenient moreover, can solve floor abrasion resistance problem through thickness or the material selection of finish protection layer, satisfy user's vision simultaneously and the pursuit to the product quality. However, the solid wood is adopted, so that the ecological environment is greatly influenced, the price of the solid wood floor is high, and the later maintenance cost is also high.
The applicant also provides a biomass composite material laminated wood-skin floor process and a composite floor aiming at the defects, wherein the patent publication number is CN110593518A, and the process is disclosed in 2019, 12 and 20 days, and solid wood skin is adhered to a polyolefin base layer by replacing solid wood with the polyolefin base layer containing biomass. However, there are some disadvantages, such as poor connection between the wood skin and the polyolefin base layer, and the wood layer is easily warped and separated from the polyolefin base layer with the increase of the service life or the influence of the environment of the floor.
Disclosure of Invention
The invention provides an NON-PVC base material type 3D printing floor, wherein the material of NON-PVC is adopted as a base material, a solid wood layer is laid to achieve the effect of simulating solid wood, and the defects that the solid wood layer of the existing composite floor is easy to warp and separate from a polyolefin base layer are overcome by means of a balance layer.
The technical scheme for solving the problems is as follows:
a NON-PVC substrate 3D printing floor at least comprises:
a NON-PVC substrate layer for forming the floor body and providing floor strength;
the solid wood layer is formed on the NON-PVC base material layer and used for providing a simulation effect;
the balance layer is used for balancing the expansion and shrinkage difference between the NON-PVC base material layer and the solid wood layer and is positioned between the NON-PVC base material layer and the solid wood layer;
a pattern layer located on the solid wood layer;
and the concave-convex effect layer is positioned on the pattern layer and provides a 3D (three-dimensional) effect.
According to the technical scheme, the non-PCV base material is adopted, so that the effects of reducing the cost and being more environment-friendly are achieved;
the simulation effect is realized by attaching the solid wood layer, and the defect of a non-PCV base material is overcome;
the pattern layer and the concave-convex effect layer are arranged, so that the attractiveness and the diversity of the floor are realized, the requirements of different customers are met, the pattern layer can be obtained by printing, and the customization can be realized;
because the linear expansion coefficient of wood material and polyolefin material is inconsistent, there is the harmomegathus difference, leads to easily taking place to warp between the two, and the warpage takes place easily for the wood layer, and above-mentioned scheme balances the harmomegathus difference between substrate layer and the wood layer through balanced layer, ensures the firmness of being connected between wood layer and the substrate layer.
Preferably, the balance layer is formed by coating the adhesive on the balance connecting net, the balance layer adopts a mode that the balance connecting net is combined with the adhesive, so that the connecting force between the solid wood layer and the base material layer in the longitudinal direction can be kept, the connecting force in the transverse direction can be enhanced, and ideal connecting firmness is comprehensively provided.
The adhesive is adhesive for wood, such as soybean glue or phenolic glue.
Preferably, the raw material of the balance connecting net is one or more of glass fiber, non-woven fiber, ceramic fiber or bamboo fiber. The raw materials can realize the function of the balance layer, and the firmness of the raw materials is strong, so that the function of the balance layer cannot be lost due to the degradation or other damages of the balance connecting net.
Preferably, the main components of the NON-PVC base material layer are polyolefin and wood powder. Due to the adoption of the composition of the base material layer, the linear expansion coefficient of the obtained base material layer is closer to that of solid wood, the expansion and contraction difference is smaller, and compared with the single use of polyolefin, the floor is less prone to warping and deformation.
The polyolefin may in particular be PP, PE, etc., preferably PE, especially High Density Polyethylene (HDPE).
Further preferably, the weight ratio of polyolefin to wood flour is: 4-5: 2 to 4.
More preferably, the weight ratio of polyolefin to wood flour is: 5: 2 to 3.
Preferably, the thickness of the solid wood layer is 0.1-0.3 cm.
Preferably, the thickness of the balance layer is 95-115 micrometers.
Preferably, the surface of the solid wood layer is provided with a UV primer layer, a UV white paint layer is arranged on the UV primer layer, and the pattern layer is positioned on the white UV paint layer.
Preferably, the thickness of the UV primer layer and the thickness of the UV white paint layer are both 40-60 micrometers.
Preferably, the surface of the white UV paint layer is provided with a compatilizer layer, and a pattern layer is arranged on the compatilizer layer.
More preferably, the compatibilizer layer is 20 to 30 micrometers.
Preferably, the surface of the concave-convex effect layer is provided with a UV finishing paint layer.
Further preferably, the thickness of the UV top coat layer is slightly larger than that of the UV primer layer and is about 80-100 microns.
The invention also provides a preparation method of the NON-PVC 3D printing indoor floor, which comprises the following steps:
s-1, pretreating the surface of the NON-PVC base material layer, and paving a balance layer on the NON-PVC base material layer after pretreatment; the pretreatment is specifically carried out by heating the surface of the NON-PVC base material layer and maintaining the surface temperature at 42-56 ℃;
s-2, compounding a solid wood layer on the balance layer, and coating a UV primer on the surface of the solid wood layer;
s-3, coating white UV paint after the UV primer is dried and cured, and ensuring that the ground color is uniform so as not to influence the overall printing effect;
and S-4, after the UV white paint is cured and dried, printing a printing pattern layer by using a flat ink-jet printer, forming a concave-convex effect layer on the printing pattern layer, and then coating UV wear-resistant paint on the concave-convex effect layer to obtain the floor.
Preferably, the embossing effect layer is formed by printing or by impact in step S-4.
Preferably, the UV white paint layer in the step S-3 is printed with a pattern by a flat ink-jet printer after the compatilizer is coated by a roller.
Preferably, the surface of the pattern layer prepared in the step S-4 is coated with UV wear-resistant paint, after UV drying, the concave-convex effect layer is printed by a flat ink-jet printer to realize a 3D effect, and the UV finish paint is coated after curing by irradiation of a mercury UV lamp.
Preferably, the step S-4 is performed by rolling the compatilizer on the UV white paint layer, and then printing a pattern layer by a flat ink-jet printer.
The invention has the beneficial effects that: 1) the solid wood layer is compounded on the NON-PVC base material layer, so that a more real simulation degree is achieved, the expansion and shrinkage difference between the base material layer and the solid wood layer is balanced through the balance layer, the connection firmness between the solid wood layer and the base material layer is ensured, and the solid wood layer is prevented from warping and separating; 2) the balance layer adopts a mode of combining the balance connecting net with the adhesive, so that the longitudinal connecting force of the solid wood layer and the base material layer can be kept, the transverse connecting force can be enhanced, and ideal connecting firmness is comprehensively provided; 3) by arranging the pattern layer and the concave-convex effect layer, a high-quality floor which is attractive, textured and has a 3D effect can be customized and provided; 4) after the UV primer is dried and cured, white UV paint is coated, so that the uniform and consistent ground color can be ensured, and the overall printing effect cannot be influenced; 5) the NON-PVC is adopted as a base material, the base material mainly comprises polyolefin and wood powder, and the product does not decompose dioxin in special environments such as high temperature.
Drawings
FIG. 1 is a schematic structural view of a floor panel according to embodiment 1;
FIG. 2 is a schematic structural view of the floor panel according to embodiment 2;
FIG. 3 is a schematic structural view of the floor panel according to embodiment 3;
FIG. 4 is a schematic structural view of the floor panel according to embodiment 4.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following will describe the specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and it is obvious to a person skilled in the art that other drawings and other embodiments can be obtained from these drawings without inventive effort, and the invention is not limited to this example.
Example 1
The structure of the NON-PVC base material type 3D printing floor is shown in the attached drawing 1, and the floor comprises an NON-PVC base material layer 01, and a balance layer 03, a solid wood layer 02, a UV primer layer 04, a UV white paint layer 05, a pattern layer 07, a concave-convex effect layer 08 and a UV finish paint layer 06 which are sequentially arranged on the NON-PVC base material layer 01.
The thickness of the NON-PVC substrate layer 01 is equivalent to that of a conventional floor substrate layer, and the thickness of the balance layer is preferably 95 micrometers to 115 micrometers, and the thickness of the embodiment is more preferably 105 micrometers. The thickness of the solid wood layer 02 is preferably 0.1cm to 0.3cm, and 0.3cm is selected in this embodiment. The thicknesses of the UV primer layer 04 and the UV white paint layer 05 are equivalent, preferably range from 40 micrometers to 60 micrometers, and the thickness of the UV primer layer 04 and the UV white paint layer is preferably 55 micrometers in the embodiment.
The NON-PVC base material layer 01 takes PE + wood powder as a main component, and the preparation method of the base material layer 01 comprises the following steps:
(1) mixing 200 parts by weight of wood powder and 400 parts by weight of plastic powder for preplasticizing to obtain wood-plastic mixed powder;
(2) and putting the obtained wood-plastic mixed powder into an extruder, and extruding the wood-plastic mixed powder into a plate shape through a die head to obtain the NON-PVC base material layer 01.
The floor preparation method comprises the following steps:
s-1, cleaning the NON-PVC substrate layer 01, preheating to 42-45 ℃, paving a balance connecting net, coating an adhesive, and then compounding the solid wood layer 02; coating UV primer on the surface of the solid wood layer 02; the adhesive adopts conventional wood adhesive, such as soybean glue;
s-2, coating white UV paint after the UV primer is dried and cured, and ensuring that the ground color is uniform so as not to influence the overall printing effect;
and S-3, after the UV white paint is cured and dried, printing a printing pattern layer 07 by a flat ink-jet printer, and forming a concave-convex effect layer 08 on the printing pattern layer to obtain the floor.
Example 2
The structure of the NON-PVC base material type 3D printing floor is shown in the attached drawing 2, and the floor comprises an NON-PVC base material layer 01, and a balance layer 03, a solid wood layer 02, a UV primer layer 04, a UV white paint layer 05, a pattern layer 07, a concave-convex effect layer 08, a UV wear-resistant paint layer 09 and a UV finish paint layer 06 which are sequentially arranged on the NON-PVC base material layer 01. The thickness of the NON-PVC substrate layer 01 is equivalent to that of a conventional floor substrate layer, and the thickness of the balance layer is 100 microns. The thickness of the solid wood layer 02 is 0.2 cm. The thickness of the UV primer layer 04 and the UV white paint layer 05 are equivalent and are 40 micrometers.
The NON-PVC base material layer 01 takes PP + wood powder as a main component, and the preparation method of the base material layer 01 comprises the following steps:
(1) mixing 300 parts by weight of wood powder and 500 parts by weight of PP powder for preplasticizing to obtain wood-plastic mixed powder;
(2) and putting the obtained wood-plastic mixed powder into an extruder, and extruding the wood-plastic mixed powder into a plate shape through a die head to obtain the NON-PVC base material layer 01.
The floor preparation method comprises the following steps:
s-1, cleaning the surface of the NON-PVC substrate layer 01, preheating to 45-50 ℃, laying a balance connecting net, and coating an adhesive; the adhesive adopts conventional wood adhesive, such as soybean glue;
s-2, immediately compounding a solid wood layer 02 on the balance layer, and coating UV (ultraviolet) primer on the surface of the solid wood layer 02;
s-3, coating white UV paint after the UV primer is dried and cured, and ensuring that the ground color is uniform so as not to influence the overall printing effect;
and S-4, after the UV white paint is cured and dried, printing a printing pattern layer 07 through a flat ink-jet printer, forming a concave-convex effect layer 08 on the printing pattern layer, and then coating UV wear-resistant paint on the concave-convex effect layer 08 to obtain the floor.
Example 3
The utility model provides a NON-PVC substrate class 3D prints floor, its structure is shown as attached figure 3, includes NON-PVC substrate layer 01, sets gradually balanced layer 03, wood layer 02, UV priming paint layer 04, UV white paint layer 05, pattern layer 07, UV wear-resistant paint layer 09, unsmooth effect layer 08, UV wear-resistant paint layer 09, UV finish paint layer 06 on NON-PVC substrate layer 01.
The NON-PVC substrate layer 01 takes high-density PE + wood powder as a main component, and the preparation method of the substrate layer 01 comprises the following steps:
(1) mixing 300 parts by weight of wood powder and 400 parts by weight of PP powder for preplasticizing to obtain wood-plastic mixed powder;
(2) and putting the obtained wood-plastic mixed powder into an extruder, and extruding the wood-plastic mixed powder into a plate shape through a die head to obtain the NON-PVC base material layer 01.
The floor preparation method comprises the following steps:
s-1, cleaning the surface of the NON-PVC substrate layer 01, preheating to 48-52 ℃, paving a balance connecting net, and coating an adhesive; the adhesive adopts conventional wood adhesive, such as soybean glue;
s-2, immediately compounding a solid wood layer 02 on the balance layer, and coating UV (ultraviolet) primer on the surface of the solid wood layer 02;
s-3, coating white UV paint after the UV primer is dried and cured, and ensuring that the ground color is uniform so as not to influence the overall printing effect; s-4, after the UV white paint is cured and dried, printing a printing pattern layer 07 through a flat ink-jet printer, coating UV wear-resistant paint on the printing pattern layer, then forming a resin concave-convex effect layer 08 through high-speed impact, in order to achieve a wear-resistant effect, coating the UV wear-resistant paint on the concave-convex effect layer 08, then coating UV finish paint, irradiating and curing through a mercury UV lamp, and then coating the UV finish paint to obtain the floor.
Example 4
The structure of the NON-PVC base material type 3D printing floor is shown in the attached drawing 4 and comprises a NON-PVC base material layer 01, and a balance layer 03, a solid wood layer 02, a UV primer layer 04, a UV white paint layer 05, a pattern layer 07, a compatilizer layer 10, a UV wear-resistant paint layer 09, a concave-convex effect layer 08, a UV wear-resistant paint layer 09 and a UV finish paint layer 06 which are sequentially arranged on the NON-PVC base material layer 01.
The thickness of the NON-PVC substrate layer 01 is equivalent to that of a conventional floor substrate layer, and the thickness of the balance layer is 115 micrometers. The thickness of the solid wood layer 02 is 0.1 cm. The thickness of the UV primer layer 04 and the UV white paint layer 05 is 50 micrometers. The compatibilizer layer is 20 to 30 microns, preferably 25 microns in this embodiment.
The NON-PVC base material layer 01 takes PP + wood powder as a main component, and the preparation method of the base material layer 01 comprises the following steps:
(1) mixing 200 parts by weight of wood powder and 500 parts by weight of PP powder for preplasticizing to obtain wood-plastic mixed powder;
(2) and putting the obtained wood-plastic mixed powder into an extruder, and extruding the wood-plastic mixed powder into a plate shape through a die head to obtain the NON-PVC base material layer 01.
The floor preparation method comprises the following steps:
s-1, cleaning the surface of the NON-PVC substrate layer 01, preheating to 50-56 ℃, paving a balance connecting net, and coating an adhesive; the adhesive adopts conventional wood adhesive, such as soybean glue;
s-2, immediately compounding a solid wood layer 02 on the balance layer, and coating UV (ultraviolet) primer on the surface of the solid wood layer 02;
s-3, coating white UV paint after the UV primer is dried and cured, and ensuring that the ground color is uniform so as not to influence the overall printing effect; s-4, after the UV white paint is cured and dried, coating a compatilizer in a roller mode, printing a printing pattern layer 07 through a flat ink-jet printer, coating UV wear-resistant paint on the printing pattern layer, then forming a resin concave-convex effect layer 08 through high-speed impact, in order to achieve a wear-resistant effect, coating the UV wear-resistant paint on the concave-convex effect layer 08, coating UV finish paint, irradiating and curing through a mercury UV lamp, and then coating the UV finish paint to obtain the floor.
The 3D printing floor can be used for paving indoor and outdoor floors, a solid wood layer is compounded on the surface of the floor, more real simulation degree can be obtained, and the white UV paint is coated after the UV primer is dried and cured, so that the uniformity and consistency of the ground color can be ensured, and the whole printing effect cannot be influenced. The expansion and shrinkage difference between the base material layer and the solid wood layer is balanced through the balance layer, the connection firmness between the solid wood layer and the base material layer is ensured, and the solid wood layer is prevented from warping and separating; through setting up pattern layer and unsmooth effect layer, can customize and provide pleasing to the eye, have the feel, have the high-quality floor of 3D effect.
Specific embodiments of the present invention have been described above in detail. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, any technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments in the prior art based on the inventive concept should be within the scope of protection defined by the claims.
Comparative example 1:
the difference from example 4 is that no balancing layer is provided.
Comparative example 2:
the difference from example 4 is that PP is used as the raw material of the NON-PVC substrate layer 1.
Comparative example 3:
the difference from example 4 is that no preliminary heating treatment was performed in step S-1.
Comparative example 4:
the difference from example 4 is that only the large bean gum is used for the balancing layer.
The quality of the floor boards obtained in the examples and the comparative examples is detected, and the detection method and the result are as follows:
1. warping rate in high-temperature environment (%): the floor was treated at 80 ℃ for 6 hours and the proportion of the solid wood layer that was warped was calculated.
Figure DEST_PATH_IMAGE002
Warping rate (%) in a high-humidity environment: the floor was soaked in water for 12 hours and the proportion of the wood layer that was warped was calculated.
Figure DEST_PATH_IMAGE004

Claims (10)

1. The utility model provides a NON-PVC substrate class 3D prints floor which characterized in that: at least comprises the following steps:
a NON-PVC substrate layer (01) for forming the floor body and providing floor strength;
a solid wood layer (02) formed on the NON-PVC substrate layer (01) for providing a simulation effect;
the balance layer (03) is used for balancing the expansion and contraction difference between the NON-PVC base material layer (01) and the solid wood layer (02) and is positioned between the NON-PVC base material layer (01) and the solid wood layer (02);
a pattern layer (07) located over the solid wood layer;
and the concave-convex effect layer (08) is positioned on the solid wood layer and provides a 3D stereoscopic effect.
2. The NON-PVC substrate 3D printing floor as claimed in claim 1, wherein: the balance layer (03) is formed by coating adhesive on the balance connecting net.
3. The NON-PVC substrate 3D printing floor as claimed in claim 2, wherein: the raw material of the balance connecting net is one or more of glass fiber, non-woven fiber, ceramic fiber or bamboo fiber.
4. The NON-PVC substrate 3D printing floor as claimed in claim 1, wherein: the main components of the NON-PVC base material layer (01) are polyolefin and wood powder.
5. The NON-PVC substrate 3D printing floor as claimed in claim 1 or 4, wherein: the thickness of the solid wood layer (02) is 0.3cm-0.6 cm.
6. The NON-PVC substrate 3D printing floor as claimed in claim 1, wherein: the surface of the solid wood layer (02) is provided with a UV priming paint layer (04), and a UV white paint layer (05) is arranged on the UV priming paint layer (04).
7. The NON-PVC substrate 3D printing floor as claimed in claim 1, wherein: and a UV finish paint layer (06) is arranged on the surface of the concave-convex effect layer (08).
8. The preparation method of the NON-PVC substrate 3D printing floor board according to claim 1, comprising the following steps:
s-1, pretreating the surface of the NON-PVC base material layer (01), and paving a balance layer (03) on the NON-PVC base material layer (01) after pretreatment; the pretreatment specifically comprises the steps of heating the surface of a NON-PVC base material layer (01) and maintaining the surface temperature at 42-56 ℃;
s-2, compounding a solid wood layer (02) on the balance layer, and coating UV (ultraviolet) primer on the surface of the solid wood layer (02);
s-3, drying and curing the UV primer, and then coating a white UV paint;
and S-4, after the UV white paint is cured and dried, printing a printing pattern layer (07) by a flat ink-jet printer, forming a concave-convex effect layer (08) on the printing pattern layer, and then coating UV wear-resistant paint on the concave-convex effect layer (08) to obtain the floor.
9. The preparation method of the NON-PVC substrate 3D printing floor as claimed in claim 8, comprising the steps of: the concavo-convex effect layer (08) in step S-4 is formed by printing or by impact.
10. The method for preparing the NON-PVC substrate 3D printing floor as claimed in claim 8, wherein the method comprises the following steps: and (5) coating a compatilizer on the UV white paint layer (05) in the step S-3, and then printing a pattern by a flat ink-jet printer.
CN202010228436.1A 2020-03-27 2020-03-27 NON-PVC base material 3D printing floor and preparation method thereof Pending CN111267448A (en)

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Application publication date: 20200612