CN116285634A - Wallboard coating, skin-feel stain-resistant wallboard and processing method thereof - Google Patents

Wallboard coating, skin-feel stain-resistant wallboard and processing method thereof Download PDF

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Publication number
CN116285634A
CN116285634A CN202211722863.0A CN202211722863A CN116285634A CN 116285634 A CN116285634 A CN 116285634A CN 202211722863 A CN202211722863 A CN 202211722863A CN 116285634 A CN116285634 A CN 116285634A
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China
Prior art keywords
parts
wallboard
feel
skin
stain
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CN202211722863.0A
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Chinese (zh)
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CN116285634B (en
Inventor
张小玲
肖志远
李彦辉
洪墨池
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Changzhou Bemate Home Technology Co Ltd
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Changzhou Bemate Home Technology Co Ltd
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Priority to CN202211722863.0A priority Critical patent/CN116285634B/en
Publication of CN116285634A publication Critical patent/CN116285634A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • 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
    • 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
    • B05D3/04—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 by exposure to gases
    • B05D3/0466—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 by exposure to gases the gas being a non-reacting gas
    • 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
    • B05D3/06—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 by exposure to radiation
    • B05D3/061—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 by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • 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
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002—Priming paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Finishing Walls (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a wallboard coating, a skin-feel stain-resistant wallboard and a processing method thereof, and belongs to the technical field of wallboards. The wallboard paint comprises the following raw materials in parts by mass: 30-35 parts of polyethylene glycol adipate, 20-25 parts of isophorone diisocyanate, 12-18 parts of aqueous acrylate emulsion, 4-6 parts of antifouling agent, 1-3 parts of surfactant, 8-12 parts of talcum powder, 1-3 parts of film forming additive, 1-3 parts of defoamer and 1-3 parts of flatting agent; the antifouling agent is one or more of organosilicon auxiliary agent, tannic acid, n-butyl propionate or butyl acrylate. By adopting the formula, the invention has the visual effect of forming skin-feel super-matte without adding excessive matting agent, has better stain resistance and durability, and the prepared skin-feel stain-resistant wallboard has better hand feeling, luster and visual effect.

Description

Wallboard coating, skin-feel stain-resistant wallboard and processing method thereof
Technical Field
The invention relates to a wallboard coating, a skin-feel stain-resistant wallboard and a processing method thereof, and belongs to the technical field of wallboards.
Background
The skin-feel product is a very popular new product in building decoration materials, and the wallboard with skin feel has soft luster, smooth touch feeling and extremely matt visual effect, gives furniture excellent quality feel, and is favored by consumers. The characteristic of the ultra-matte product in the prior art is mainly achieved by adding the matting powder and the fluff powder, but on one hand, the ultra-matte product prepared by the method is difficult to realize the ultra-matte product with the temperature below 5 degrees, and on the other hand, the performance of a paint film is influenced by adding a large amount of the matting powder, so that the durability of the paint film is influenced. Meanwhile, the stain-resistant effect of the paint layer with skin feel is limited, stains are easy to accumulate on the surface of the building decorative material, especially the wallboard, after long-term use, the attractiveness of the wallboard is affected, and the cleaning and maintenance cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wallboard coating, a skin-feel stain-resistant wallboard and a processing method thereof.
The first aspect of the invention provides a wallboard paint, which comprises the following raw materials in parts by mass: 30-35 parts of polyethylene glycol adipate, 20-25 parts of isophorone diisocyanate, 12-18 parts of aqueous acrylate emulsion, 4-6 parts of antifouling agent, 1-3 parts of surfactant, 8-12 parts of talcum powder, 1-3 parts of film forming additive, 1-3 parts of defoamer and 1-3 parts of flatting agent; the antifouling agent is one or more of organosilicon auxiliary agent, tannic acid, n-butyl propionate or butyl acrylate.
In one embodiment of the invention, the surfactant is one or more of sulfonated oil, ethanethiol, butanethiol, or isobutanethiol species.
In one embodiment of the invention, the defoamer is a fumed silica-containing polyether siloxane copolymer emulsion.
In a second aspect, the invention provides a skin-feel and stain-resistant wallboard, wherein a skin-feel and stain-resistant paint layer is arranged on the surface of the wallboard, and the skin-feel and stain-resistant paint layer contains the wallboard paint.
In one embodiment of the invention, the skin-feel stain resistant paint layer includes a primer layer and a topcoat layer, the topcoat layer containing the wallboard paint.
In one embodiment of the invention, the primer layer comprises the following raw materials in parts by mass: 8-12 parts of trifunctional aqueous polyurethane acrylate emulsion, 60-70 parts of hexafunctional aqueous polyurethane acrylate emulsion, 8-12 parts of aqueous epoxy resin emulsion, 4-6 parts of nano alumina, 1-3 parts of film forming auxiliary agent, 1-3 parts of defoaming agent and 1-3 parts of leveling agent.
In one embodiment of the invention, the film forming aid is one or more of ethanol, propanol, diethylene glycol butyl ether or tripropylene glycol butyl ether.
The third aspect of the invention provides a method for processing a skin-feel stain-resistant wallboard, comprising the following steps: and coating a skin-feel dirt-resistant paint layer on the surface of the wallboard substrate, covering a PET skin-feel film on the skin-feel dirt-resistant paint layer, and removing the PET skin-feel film after the skin-feel dirt-resistant paint layer is solidified.
Preferably, the surface of the wallboard substrate is preheated before being coated, and the preheating temperature is 35-45 ℃.
In one embodiment of the invention, the applied skin-feel stain resistant paint layer comprises a primer layer and a top paint layer, wherein the primer layer is applied, and the top paint layer is applied after being pre-cured.
Preferably, the primer layer has a coating amount of 15 to 20g/m 2 The coating weight of the finish paint layer is 10-12 g/m 2 。
Preferably, the pre-cured degree of pre-curing is 50 to 60%.
Preferably, the pre-curing adopts a UV lamp with pre-curing energy of 300-500 mj/cm 2 。
In one embodiment of the invention, curing the skin-feel stain resistant paint layer includes extinction pre-curing and full curing, wherein the extinction pre-curing adopts an LED lamp and an excimer lamp, and the full curing adopts a UV lamp.
Preferably, the extinction pre-curing excimer lamp wavelength is 170-320 nm.
Preferably, the nitrogen environment is maintained in the extinction pre-curing process, the inflation pressure is 2.1-2.3 Mpa, and the nitrogen concentration is 99.5-99.7%.
Preferably, the total curing energy of the UV lamp is 600-800 mj/cm 2 。
The beneficial effects of the invention are as follows:
1) The wallboard coating disclosed by the invention can form the visual effect of skin-feel super-matte without adding excessive flatting agent, and has better stain resistance and durability.
2) According to the skin-feel stain-resistant wallboard, the primer and the finish paint are sequentially coated on the wallboard base material, and ultraviolet light curing with different energies is matched, so that the wear-resistant effect of a thick wear-resistant layer is achieved due to thin friction resistance.
3) By preheating the wallboard substrate before coating, the paint layer is ensured to uniformly and effectively spread on the surface of the wallboard substrate, and the adhesive force of the paint layer on the surface of the wallboard substrate is improved.
4) The skin feel film is pressed on the surface of the finishing paint, so that the hand feeling, the gloss and the visual effect of the surface of the wallboard are further improved.
5) The paint layer is subjected to extinction pre-curing treatment under the nitrogen protection environment by adopting the excimer lamp with a certain wave band, so that the paint effect on the surface of the wallboard is improved, and the attractiveness and the hand feeling fineness are improved.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The invention provides a wallboard paint, which comprises the following raw materials in parts by weight: 30-35 parts of polyethylene glycol adipate, 20-25 parts of isophorone diisocyanate, 12-18 parts of aqueous acrylate emulsion, 4-6 parts of antifouling agent, 1-3 parts of surfactant, 8-12 parts of talcum powder, 1-3 parts of film forming additive, 1-3 parts of defoamer and 1-3 parts of flatting agent; the antifouling agent is one or more of organosilicon auxiliary agent, tannic acid, n-butyl propionate or butyl acrylate.
Wherein, the polymerized monomer of the aqueous acrylic ester emulsion adopted by the invention comprises hydroxyethyl acrylate. The surfactant may be one or more of sulfonated oil, ethanethiol, butanethiol or isobutanethiol. The defoamer is a polyether siloxane copolymer emulsion containing fumed silica, and such defoamer is available directly from commercial products such as Tego1488 defoamer. The leveling agent adopts a copolymer with pigment affinity, such as DC-57 leveling agent. The organosilicon auxiliary agent used in the antifouling agent is polysiloxane and modified polysiloxane components, such as BYK-331 and BYK-302.
The second aspect of the invention provides a skin-feel and stain-resistant wallboard, wherein a skin-feel and stain-resistant paint layer is arranged on the surface of the wallboard, and the skin-feel and stain-resistant paint layer contains the wallboard paint.
In one embodiment of the invention, the skin-feel stain resistant paint layer includes a primer layer and a topcoat layer, the topcoat layer containing a wallboard paint.
In one embodiment of the invention, the primer layer comprises the following raw materials in parts by mass: 8-12 parts of trifunctional aqueous polyurethane acrylate emulsion, 60-70 parts of hexafunctional aqueous polyurethane acrylate emulsion, 8-12 parts of aqueous epoxy resin emulsion, 4-6 parts of nano alumina, 1-3 parts of film forming auxiliary agent, 1-3 parts of defoaming agent and 1-3 parts of leveling agent.
Wherein, the trifunctional aqueous polyurethane acrylate emulsion and the hexafunctional aqueous polyurethane acrylate emulsion can be obtained by purchasing commercial products. The film forming additive adopts one or more of ethanol, propanol, diethylene glycol butyl ether or tripropylene glycol butyl ether. The defoaming agent adopts polyether type defoaming agent, and concretely, GP type defoaming agent can be adopted. The leveling agent adopts modified polysiloxane copolymer, such as polyether modified polysiloxane, polyester modified polysiloxane, alkyl modified polysiloxane and the like.
The third aspect of the invention provides a method for processing a skin-feel stain-resistant wallboard, comprising the following steps: and coating a skin-feel dirt-resistant paint layer on the surface of the wallboard substrate, covering a PET skin-feel film on the skin-feel dirt-resistant paint layer, and removing the PET skin-feel film after the skin-feel dirt-resistant paint layer is solidified.
In order to achieve better coating and spreading effects, the surface of the wallboard substrate is preheated before being coated, the wallboard substrate can be preheated by adopting a constant-temperature oven, the wallboard substrate is an extruded semi-finished wallboard element board, and the preheating temperature is set to be 35-45 ℃. The coating mode adopts roller coating, and common roller coating equipment is adopted.
In one embodiment of the invention, the application of the skin-feel stain-resistant paint layer includes applying a primer layer and applying a top paint layer, the primer layer being applied followed by a pre-cure and then applying the top paint layer.
Wherein the coating amount of the primer layer is15～20g/m 2 After coating, pre-curing the coating by adopting a UV lamp, wherein the pre-curing energy of the UV lamp is 300-500 mj/cm 2 The pre-curing degree of the pre-curing is 50-60%. Then adopting a circulating roller coating device to continuously coat one or more finish paint layers, wherein the coating weight of the finish paint layers is 10-12 g/m 2 The PET skin feel film is coated by a film pressing technology, and the PET skin feel film adopted in the method can be obtained by purchasing commercial products.
In one embodiment of the invention, curing the skin-feel stain resistant paint layer includes extinction pre-curing and full curing, wherein the extinction pre-curing adopts an LED lamp and an excimer lamp, and the full curing adopts a UV lamp.
Wherein, the wavelength of the extinction pre-cured excimer lamp is 170-320 nm, and the energy range is 22-27%. Meanwhile, in the extinction pre-curing process, a nitrogen environment is maintained, the inflation pressure is 2.1-2.3 Mpa, and the nitrogen concentration is 99.5-99.7%. The total curing energy of the UV lamp is 600-800 mj/cm 2 。
Example 1
The embodiment provides a skin-feel and stain-resistant wallboard, which consists of a wallboard substrate and a skin-feel and stain-resistant paint layer coated on the wallboard substrate, wherein the skin-feel and stain-resistant paint layer consists of a primer layer and a top paint layer, and the coating amount of the primer layer is 15g/m 2 The coating weight of the top coat layer was 10g/m 2 。
The finishing paint layer comprises the following raw materials in parts by weight: 30 parts of polyethylene glycol adipate, 25 parts of isophorone diisocyanate, 15 parts of aqueous acrylate emulsion, 5 parts of n-butyl propionate, 2 parts of sulfonated oil, 10 parts of talcum powder, 2 parts of ethyl acetate, 2 parts of Tego1488 defoamer, 2 parts of leveling agent and 10 parts of deionized water.
The primer layer comprises the following raw materials in parts by mass: 10 parts of trifunctional aqueous polyurethane acrylate emulsion, 65 parts of hexafunctional aqueous polyurethane acrylate emulsion, 10 parts of aqueous epoxy resin emulsion, 5 parts of nano alumina, 2 parts of diethylene glycol butyl ether, 2 parts of GP polyether defoamer, 2 parts of polyether modified polysiloxane copolymer and 10 parts of deionized water.
Wallboard of this embodimentDuring processing, the constant temperature oven is set to 35 ℃, the wallboard substrate is preheated, after the surface of the wallboard substrate reaches the set temperature of the oven, a primer layer is coated on the surface of the wallboard substrate in a roller coating mode, and a UV lamp is adopted after coating, wherein the energy of the UV lamp is 300mj/cm 2 Pre-curing under the condition until the curing degree reaches 50 percent. And then continuously coating a finish paint layer, coating a layer of PET skin-feel film by a film pressing technology, and performing extinction pre-curing on the wallboard by adopting an LED lamp and an excimer lamp, wherein the wavelength of the excimer lamp is 172nm, and the energy range is 22%. Meanwhile, nitrogen is continuously filled in the extinction pre-curing process, the filling pressure is 2.1Mpa, and the nitrogen concentration is 99.7%. Finally, using a UV lamp to emit light at the energy of 600mj/cm 2 And (3) carrying out full curing under the condition, and removing the skin-feel film to obtain a finished product of the skin-feel stain-resistant wallboard.
Example two
The embodiment provides a skin-feel and stain-resistant wallboard, which consists of a wallboard substrate and a skin-feel and stain-resistant paint layer coated on the wallboard substrate, wherein the skin-feel and stain-resistant paint layer consists of a primer layer and a top paint layer, and the coating amount of the primer layer is 20g/m 2 The coating weight of the top coat layer was 12g/m 2 。
The finishing paint layer comprises the following raw materials in parts by weight: 35 parts of polyethylene glycol adipate, 20 parts of isophorone diisocyanate, 12 parts of aqueous acrylate emulsion, 4 parts of tannic acid, 1 part of ethanethiol, 8 parts of talcum powder, 1 part of propanol, 3 parts of Tego1488 defoamer, 1 part of flatting agent and 5 parts of deionized water.
The primer layer comprises the following raw materials in parts by mass: 8 parts of trifunctional aqueous polyurethane acrylate emulsion, 60 parts of hexafunctional aqueous polyurethane acrylate emulsion, 8 parts of aqueous epoxy resin emulsion, 4 parts of nano aluminum oxide, 1 part of propanol, 1 part of GP polyether defoamer, 3 parts of polyether modified polysiloxane copolymer and 5 parts of deionized water.
When the wallboard of this embodiment is processed, firstly set the constant temperature oven to 45 ℃, preheat the wallboard substrate, after the wallboard substrate surface reaches the set temperature of the oven, roll-coat the primer layer on the wallboard substrate surface, and after coating, adopt the UV lamp to apply the energy of 500mj/cm 2 Pre-curing under conditionsUntil the degree of cure reached 60%. And then continuously coating a finish paint layer, coating a layer of PET skin-feel film by a film pressing technology, and performing extinction pre-curing on the wallboard by adopting an LED lamp and an excimer lamp, wherein the wavelength of the excimer lamp is 222nm, and the energy range is 27%. Meanwhile, nitrogen is continuously filled in the extinction pre-curing process, the filling pressure is 2.3Mpa, and the nitrogen concentration is 99.5%. Finally, using a UV lamp to emit light at an energy of 800mj/cm 2 And (3) carrying out full curing under the condition, and removing the skin-feel film to obtain a finished product of the skin-feel stain-resistant wallboard.
Example III
The embodiment provides a skin-feel and stain-resistant wallboard, which consists of a wallboard substrate and a skin-feel and stain-resistant paint layer coated on the wallboard substrate, wherein the skin-feel and stain-resistant paint layer consists of a primer layer and a top paint layer, and the coating amount of the primer layer is 18g/m 2 The coating weight of the top coat layer was 11g/m 2 。
The finishing paint layer comprises the following raw materials in parts by weight: 33 parts of polyethylene glycol adipate, 23 parts of isophorone diisocyanate, 18 parts of an aqueous acrylate emulsion, 6 parts of a silicone auxiliary, 2 parts of butanethiol, 1 part of isobutanethiol, 12 parts of talcum powder, 3 parts of ethanol, 1 part of Tego1488 defoamer, 3 parts of flatting agent and 10 parts of deionized water.
The primer layer comprises the following raw materials in parts by mass: 12 parts of trifunctional aqueous polyurethane acrylate emulsion, 70 parts of hexafunctional aqueous polyurethane acrylate emulsion, 12 parts of aqueous epoxy resin emulsion, 3 parts of nano aluminum oxide, 3 parts of ethanol, 3 parts of GP polyether defoamer, 1 part of polyether modified polysiloxane copolymer and 10 parts of deionized water.
When the wallboard of this embodiment is processed, firstly, the constant temperature oven is set to 40 ℃, the wallboard substrate is preheated, after the surface of the wallboard substrate reaches the set temperature of the oven, the primer layer is roll-coated on the surface of the wallboard substrate, and after the primer layer is coated, a UV lamp is adopted, and the energy is 400mj/cm 2 Pre-curing under the condition until the curing degree reaches 55 percent. Then continuously coating a finish paint layer, coating a layer of PET skin feel film by a film pressing technology, and performing extinction pre-curing on the wallboard by adopting an LED lamp and an excimer lamp, wherein the wavelength of the excimer lamp is 308nm, and the energy range is the same as that of the wallboard25%. Meanwhile, nitrogen is continuously filled in the extinction pre-curing process, the filling pressure is 2.2Mpa, and the nitrogen concentration is 99.6%. Finally, using a UV lamp to emit light at an energy of 800mj/cm 2 And (3) carrying out full curing under the condition, and removing the skin-feel film to obtain a finished product of the skin-feel stain-resistant wallboard.
Comparative example
The present example provides a conventional SPC wallboard comprising a wallboard substrate and a conventional paint layer comprising a primer layer and a topcoat layer, the primer layer having a coating weight of 18g/m 2 The coating weight of the top coat layer was 11g/m 2 。
The finishing paint layer comprises the following raw materials in parts by weight: 15 parts of UT70135 resin, 30 parts of FSP8006 resin, 15 parts of 1, 6-hexanediol diacrylate, 20 parts of dipentaerythritol hexaacrylate, 5 parts of trimethylolpropane trimethacrylate, 6 parts of organosilicon auxiliary agent, 2 parts of butanethiol, 1 part of isobutanethiol, 12 parts of talcum powder, 3 parts of ethanol, 1 part of Tego1488 defoamer, 3 parts of flatting agent and 10 parts of deionized water are taken.
The primer layer comprises the following raw materials in parts by mass: 15 parts of FSP8944 resin, 15 parts of FSP8296 resin, 15 parts of 1, 6-hexanediol diacrylate, 25 parts of dipentaerythritol hexaacrylate, 10 parts of trimethylolpropane trimethacrylate, 3 parts of nano alumina, 3 parts of ethanol, 3 parts of GP polyether defoamer, 1 part of polyether modified polysiloxane copolymer and 10 parts of deionized water are taken.
When the wallboard of this embodiment is processed, firstly, the constant temperature oven is set to 40 ℃, the wallboard substrate is preheated, after the surface of the wallboard substrate reaches the set temperature of the oven, the primer layer is roll-coated on the surface of the wallboard substrate, and after the primer layer is coated, a UV lamp is adopted, and the energy is 400mj/cm 2 Pre-curing under the condition until the curing degree reaches 55%, then coating a top coat layer, and using a UV lamp at the energy of 800mj/cm 2 And (3) carrying out full curing under the condition to obtain the ordinary SPC wallboard.
Product inspection
The wallboard of each example and comparative example was tested for hand feel, gloss, visual effect, and stain resistance, wherein both hand feel and visual effect were based on human senses, the gloss was measured for 60 ° specular gloss according to the method in national standard GB/T9754-2007, and the stain resistance was judged by the ease of removal after applying stains to the wallboard surface. The measurement results are shown in Table 1.
Table 1 measurement results of examples and comparative examples
Group of Hand feel Gloss/° Visual effect Stain resistance
Example 1 Fine and smooth surface 1.3 The paint is not seen Easy to remove stains
Example two Fine and smooth surface 1.6 The paint is not seen Easy to remove stains
Example III Fine and smooth surface 1.8 The paint is not seen Easy to remove stains
Comparative example Surface roughness 6.5 Visible paint light Difficult to erase
As can be seen from Table 1, the skin-feel and stain-resistant wallboard prepared by the processing method provided by the invention has obviously improved hand feel, glossiness, visual effect and stain resistance, and the wallboard prepared by the comparative example has poorer hand feel, glossiness and visual effect and does not have stain resistance.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.

Claims (10)

1. A wallboard coating, characterized in that: the material comprises the following raw materials in parts by weight: 30-35 parts of polyethylene glycol adipate, 20-25 parts of isophorone diisocyanate, 12-18 parts of aqueous acrylate emulsion, 4-6 parts of antifouling agent, 1-3 parts of surfactant, 8-12 parts of talcum powder, 1-3 parts of film forming additive, 1-3 parts of defoamer and 1-3 parts of flatting agent; the antifouling agent is one or more of organosilicon auxiliary agent, tannic acid, n-butyl propionate or butyl acrylate.
2. The wallboard paint of claim 1, wherein: the surfactant is one or more of sulfonated oil, ethanethiol, butanethiol or isobutanethiol.
3. The wallboard paint of claim 1, wherein: the defoamer is a polyether siloxane copolymer emulsion containing fumed silica.
4. A skin feel stain resistant wallboard is characterized in that: the wallboard surface is provided with a skin-feel stain-resistant paint layer containing the wallboard paint of any one of claims 1-3.
5. The skin-feel, stain resistant wallboard of claim 4, wherein: the skin-feel stain-resistant paint layer comprises a primer layer and a top paint layer, and the top paint layer contains the wallboard paint.
6. The skin-feel, stain resistant wallboard of claim 5, wherein: the primer layer comprises the following raw materials in parts by mass: 8-12 parts of trifunctional aqueous polyurethane acrylate emulsion, 60-70 parts of hexafunctional aqueous polyurethane acrylate emulsion, 8-12 parts of aqueous epoxy resin emulsion, 4-6 parts of nano alumina, 1-3 parts of film forming auxiliary agent, 1-3 parts of defoaming agent and 1-3 parts of leveling agent.
7. The skin-feel, stain resistant wallboard of claim 6, wherein: the film forming auxiliary agent is one or more of ethanol, propanol, diethylene glycol butyl ether or tripropylene glycol butyl ether.
8. A method of manufacturing a skin-feel stain resistant wallboard according to any of claims 4 to 7, wherein: the method comprises the following steps: coating a skin-feel dirt-resistant paint layer on the surface of the wallboard substrate, covering a PET skin-feel film on the skin-feel dirt-resistant paint layer, and removing the PET skin-feel film after the skin-feel dirt-resistant paint layer is solidified;
the surface of the wallboard substrate is preheated before being coated, and the preheating temperature is 35-45 ℃.
9. The processing method according to claim 8, characterized in that: the skin-feel stain-resistant paint layer comprises a primer layer and a top paint layer, wherein the top paint layer is coated after the primer layer is coated and the top paint layer is coated after the primer layer is pre-cured;
the coating weight of the primer layer is 15-20 g/m 2 The coating weight of the finish paint layer is 10-12 g/m 2 ；
The pre-curing degree of the pre-curing is 50-60%;
the pre-curing adopts a UV lamp, and the pre-curing energy of the UV lamp is 300-500 mj/cm 2 。
10. The processing method according to claim 8, characterized in that: the skin-feel stain-resistant paint layer is cured by extinction pre-curing and full-curing, wherein the extinction pre-curing adopts an LED lamp and an excimer lamp, and the full-curing adopts a UV lamp;
the wavelength of the extinction pre-cured excimer lamp is 170-320 nm;
the nitrogen environment is maintained in the extinction pre-curing process, the inflation pressure is 2.1-2.3 Mpa, and the nitrogen concentration is 99.5-99.7%;
the total curing energy of the UV lamp is 600-800 mj/cm 2 。
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Publication number Priority date Publication date Assignee Title
CN113881333A (en) * 2021-10-20 2022-01-04 埃飞灵卫浴科技集团有限公司 High-skin-affinity matte coating, preparation method and high-skin-affinity matte bathtub
US20220033694A1 (en) * 2018-12-13 2022-02-03 Anhui Anli Material Technology Co., Ltd. Soft solvent-free flame-retardant polyurethane synthetic leather and preparation method therefor
CN114589080A (en) * 2022-04-29 2022-06-07 德宝新材料科技(浙江)有限公司 Production method of skin-feel floor
CN114789129A (en) * 2022-05-25 2022-07-26 江苏海田技术有限公司 UV-super matte skin-feel surface coating method and surface coating paint applied to woodware coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220033694A1 (en) * 2018-12-13 2022-02-03 Anhui Anli Material Technology Co., Ltd. Soft solvent-free flame-retardant polyurethane synthetic leather and preparation method therefor
CN113881333A (en) * 2021-10-20 2022-01-04 埃飞灵卫浴科技集团有限公司 High-skin-affinity matte coating, preparation method and high-skin-affinity matte bathtub
CN114589080A (en) * 2022-04-29 2022-06-07 德宝新材料科技(浙江)有限公司 Production method of skin-feel floor
CN114789129A (en) * 2022-05-25 2022-07-26 江苏海田技术有限公司 UV-super matte skin-feel surface coating method and surface coating paint applied to woodware coating

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