CN114149727A - Full UV coating system for wooden door, preparation method and coating process - Google Patents

Full UV coating system for wooden door, preparation method and coating process Download PDF

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Publication number
CN114149727A
CN114149727A CN202111408582.3A CN202111408582A CN114149727A CN 114149727 A CN114149727 A CN 114149727A CN 202111408582 A CN202111408582 A CN 202111408582A CN 114149727 A CN114149727 A CN 114149727A
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China
Prior art keywords
percent
spraying
preparation
wooden door
full
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CN202111408582.3A
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Chinese (zh)
Inventor
付大器
陈寿生
严来福
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Shanghai Zhanchen Paint Co ltd
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Shanghai Zhanchen Paint Co ltd
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Priority to CN202111408582.3A priority Critical patent/CN114149727A/en
Publication of CN114149727A publication Critical patent/CN114149727A/en
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    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate 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
    • B05D3/06—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
    • 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
    • B05D5/061—Special surface effect
    • 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
    • B05D5/065—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 having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
    • B05D5/066—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 having colour interferences or colour shifts or opalescent looking, flip-flop, two tones achieved by multilayers
    • 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
    • B05D7/06—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 to wood
    • 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
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
    • 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
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/10—Esters of organic acids
    • C09D101/14—Mixed esters, e.g. cellulose acetate-butyrate
    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • 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
    • C09D201/00—Coating compositions based on unspecified macromolecular compounds
    • 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
    • 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
    • B05D2451/00—Type of carrier, type of coating (Multilayers)
    • 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
    • B05D2502/00—Acrylic polymers
    • B05D2502/005—Acrylic polymers modified
    • 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
    • B05D2503/00—Polyurethanes

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

Abstract

The invention discloses a full UV coating system for a wooden door, a preparation method and a coating process. The invention belongs to the field of new ultraviolet curing materials, and particularly provides a full UV coating system for a wooden door, which adopts multiple times of coating, combines UV spraying transparent primer, UV spraying color-modifying essential oil and UV spraying matte transparent finish paint, and forms a coating through ultraviolet curing, so that the coating has good adhesive force, good leveling property, high hardness and good transparency, the wooden door is colored with strong bright color, the matte effect is outstanding, and the hand feeling is fine and smooth, and a preparation method and a coating process thereof.

Description

Full UV coating system for wooden door, preparation method and coating process
Technical Field
The invention belongs to the field of new ultraviolet curing materials, and particularly relates to a full UV coating system for a wooden door, a preparation method and a coating process.
Background
The ultraviolet radiation curing technology is a brand-new green environment-friendly technology, and the ultraviolet curing coating produced by the technology is called UV coating for short. In the 21 st century, with the increasing concern of people on environmental protection and energy conservation, governments of various countries strengthen legislation for controlling volatile organic matter emission and greenhouse gas emission, and China also puts forward a great blueprint for protecting ecological environment, realizing economic sustainable development and establishing a harmonious society. Under the promotion of the global large background of energy conservation and emission reduction, the photocuring technology with the characteristics of high efficiency, environmental protection, energy conservation, high quality and the like is rapidly popularized and developed. At present, the development of China enters a new era, the demand of good life of people is increasingly wide, and higher requirements are put forward for the life of material culture. In the industries of cabinets, furniture and wooden doors, UV curing technology is increasingly adopted to carry out green coating for protection and decoration of boards. At present, the wooden door on the market is mainly coated by solvent paint, such as PE paint, PU paint and the like, the construction content is low, the VOC emission is large, the environment is not friendly, the drying time is long, the space for placing the wooden door to be dried is large, and the improvement of the production efficiency is seriously restricted.
Disclosure of Invention
Aiming at the situation, in order to make up for the existing defects, the invention provides a full UV coating system for wooden doors, which adopts multiple times of coating, combines UV spraying transparent primer, UV spraying color-modifying essential oil and UV spraying matte transparent finish paint, and forms a film respectively through ultraviolet curing, thereby forming a coating with good adhesive force, good leveling property, high hardness and good transparency, enabling wooden doors to be colored with strong bright color, have outstanding matte effect and exquisite and smooth hand feeling, and a preparation method and a coating process thereof.
The invention provides the following technical scheme: the invention provides a full UV coating system for a wooden door.
Further, the UV spraying transparent primer comprises the following components in percentage by mass:
modified epoxy acrylate: 10 to 25 percent;
two-part aliphatic urethane acrylate: 10 to 25 percent;
polyester acrylate: 10 to 20 percent;
1, 6-hexanediol diacrylate: 10 to 20 percent;
dipropylene glycol diacrylate: 5 to 10 percent;
hydroxyethyl methacrylate: 5 to 10 percent;
1250 mesh talcum powder: 10 to 20 percent;
zinc stearate: 2 to 5 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent.
Further, the UV spraying color-modifying essential oil comprises the following components in percentage by mass:
solvent type acrylic acid modified resin: 30-40%;
CAB solution (cellulose acetate butyrate solution containing 80% butyl acetate): 20 to 35 percent;
ethyl acetate: 10 to 20 percent;
butyl acetate: 20 to 30 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent.
Further, the UV spraying matte transparent finish paint comprises the following components in percentage by mass:
six-membered aliphatic polyurethane: 10 to 25 percent;
two-part aliphatic polyurethane: 20 to 30 percent;
1, 6-hexanediol diacrylate: 10 to 20 percent;
dipropylene glycol diacrylate: 10 to 20 percent;
matting powder: 5 to 10 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent.
Further, the auxiliaries include leveling agents, antifoaming agents, substrate wetting agents, dispersing agents, stabilizers, and surface slip agents, and the application amount of the auxiliaries is known to those skilled in the art, and therefore, detailed descriptions thereof are omitted.
The invention relates to a preparation method of a full UV coating system for a wooden door, and specifically relates to a preparation method of a UV spraying transparent primer, a preparation method of UV spraying color-modifying essential oil and a preparation method of UV spraying matte transparent finish paint.
Further, the preparation method of the UV spraying transparent primer specifically comprises the following steps:
(1) putting modified epoxy acrylate, di-official aliphatic urethane acrylate, polyester acrylate, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and hydroxyethyl methacrylate into a reaction kettle in sequence according to a mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying transparent primer.
Further, the preparation method of the UV spraying color-modifying essential oil specifically comprises the following steps:
(1) sequentially putting solvent type acrylic acid modified resin, CAB liquid, ethyl acetate, butyl acetate and the like into a reaction kettle according to the mass ratio;
(2) and uniformly mixing, stirring at medium speed and dispersing for 1 hour to obtain the UV spraying color-modifying essential oil.
Further, the preparation method of the UV spraying matte transparent finish paint specifically comprises the following steps:
(1) putting six-membered aliphatic polyurethane, two-membered aliphatic polyurethane, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and the like into a reaction kettle in sequence according to the mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying matte transparent finish paint.
A coating process of a full UV coating system for a wooden door specifically comprises the following steps:
(1) spraying UV spraying transparent primer on the wooden door, and performing curing and sanding treatment;
(2) spraying UV spraying transparent primer again, and carrying out curing and sanding treatment;
(3) spraying UV spraying color-repairing essential oil;
(4) spraying UV spraying matte transparent finish paint, and curing to obtain the finished product.
The invention with the structure has the following beneficial effects: the invention provides a full UV coating system for a wooden door, a preparation method and a coating process, which have the following advantages:
(1) the UV spraying transparent primer adopts modified epoxy acrylate, di-official aliphatic polyurethane, polyester acrylate, 1, 6-hexanediol diacrylate and hydroxyethyl methacrylate as film forming base materials, and has good film forming flexibility, good adhesive force, good polishing property, good transparency and good combination with UV spraying color-repairing essential oil;
(2) the UV spraying color-repairing essential oil adopts solvent type acrylic acid modified resin and CAB liquid as film forming base materials, wherein the solvent type acrylic acid modified resin is UV modified acrylic acid dual-curing resin which can be thermally cured to achieve surface drying and can be UV light cured to increase the hardness and finally be completely cured, and the CAB liquid is self-drying resin;
(3) the UV spraying matte transparent finish paint adopts six-official aliphatic polyurethane, two-official aliphatic polyurethane, 1, 6-hexanediol diacrylate and dipropylene glycol diacrylate as film forming base materials, and in UV resin, the aliphatic polyurethane has the best comprehensive performance; selecting main resin which is excellent in yellowing resistance, high in curing speed, high in surface hardness, good in flexibility and easy to delust from UV spraying matte transparent finish paint, matching with delustering powder and a photoinitiator, spraying and coating once, and performing ultraviolet irradiation curing to obtain a coating film which is high in transparency, good in flatness and fine and smooth in hand feeling;
(4) the wood door paint is prepared by combining multiple coating, UV spraying of primer, UV spraying of color modifying essential oil and UV spraying of finish paint, and forming films respectively through ultraviolet curing, so that the wood door paint has the advantages of good adhesive force, good leveling property, high hardness, good transparency, strong bright color, outstanding matte effect and fine and smooth hand feeling.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The UV spraying transparent primer comprises the following components in percentage by mass:
modified epoxy acrylate: 25 percent;
two-part aliphatic urethane acrylate: 25 percent;
polyester acrylate: 15 percent;
1, 6-hexanediol diacrylate: 10 percent;
dipropylene glycol diacrylate: 5 percent of
Hydroxyethyl methacrylate: 5 percent;
1250 mesh talcum powder: 10 percent;
zinc stearate: 2 percent;
photoinitiator (2): 2 percent;
auxiliary agent: 1 percent.
The UV spraying color-modifying essential oil comprises the following components in percentage by mass:
solvent type acrylic acid modified resin: 40 percent;
CAB solution (cellulose acetate butyrate solution containing 80% butyl acetate): 20 percent;
ethyl acetate: 10 percent;
butyl acetate: 20 percent;
photoinitiator (2): 6 percent;
auxiliary agent: 4 percent.
The UV spraying matte transparent finish paint comprises the following components in percentage by mass:
six-membered aliphatic polyurethane: 23 percent;
two-part aliphatic polyurethane: 20 percent;
1, 6-hexanediol diacrylate: 20 percent;
dipropylene glycol diacrylate: 20 percent;
matting powder: 10 percent;
photoinitiator (2): 4 percent;
auxiliary agent: 3 percent.
Example 2
The UV spraying transparent primer comprises the following components in percentage by mass:
modified epoxy acrylate: 10 percent;
two-part aliphatic urethane acrylate: 10 percent;
polyester acrylate: 20 percent;
1, 6-hexanediol diacrylate: 13 percent;
dipropylene glycol diacrylate: 10 percent;
hydroxyethyl methacrylate: 7 percent;
1250 mesh talcum powder: 12 percent;
zinc stearate: 5 percent;
photoinitiator (2): 8 percent;
auxiliary agent: 5 percent.
The UV spraying color-modifying essential oil comprises the following components in percentage by mass:
solvent type acrylic acid modified resin: 32 percent;
CAB solution (cellulose acetate butyrate solution containing 80% butyl acetate): 22 percent;
ethyl acetate: 20 percent;
butyl acetate: 22 percent;
photoinitiator (2): 2 percent;
auxiliary agent: 2 percent.
The UV spraying matte transparent finish paint comprises the following components in percentage by mass:
six-membered aliphatic polyurethane: 25 percent;
two-part aliphatic polyurethane: 30 percent;
1, 6-hexanediol diacrylate: 12 percent;
dipropylene glycol diacrylate: 12 percent;
matting powder: 10 percent;
photoinitiator (2): 6 percent;
auxiliary agent: 5 percent.
Example 3
The UV spraying transparent primer comprises the following components in percentage by mass:
modified epoxy acrylate: 13 percent;
two-part aliphatic urethane acrylate: 13 percent;
polyester acrylate: 10 percent;
1, 6-hexanediol diacrylate: 20 percent;
dipropylene glycol diacrylate: 6 percent;
hydroxyethyl methacrylate: 10 percent;
1250 mesh talcum powder: 20 percent;
zinc stearate: 3 percent;
photoinitiator (2): 3 percent;
auxiliary agent: 2 percent.
The UV spraying color-modifying essential oil comprises the following components in percentage by mass:
solvent type acrylic acid modified resin: 30 percent;
CAB solution (cellulose acetate butyrate solution containing 80% butyl acetate): 30 percent;
ethyl acetate: 10 percent;
butyl acetate: 26 percent;
photoinitiator (2): 3 percent;
auxiliary agent: 1 percent.
The UV spraying matte transparent finish paint comprises the following components in percentage by mass:
six-membered aliphatic polyurethane: 12 percent;
two-part aliphatic polyurethane: 28%;
1, 6-hexanediol diacrylate: 20 percent;
dipropylene glycol diacrylate: 20 percent;
matting powder: 7 percent;
photoinitiator (2): 8 percent;
auxiliary agent: 5 percent.
The UV spray clear primer, UV spray repair essential oil and UV spray matte clear topcoat of example 1, example 2 and example 3 were prepared by the following methods.
The preparation method of the UV spraying transparent primer specifically comprises the following steps:
(1) putting modified epoxy acrylate, di-official aliphatic urethane acrylate, polyester acrylate, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and hydroxyethyl methacrylate into a reaction kettle in sequence according to a mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying transparent primer.
The preparation method of the UV spraying color-modifying essential oil specifically comprises the following steps:
(1) sequentially putting solvent type acrylic acid modified resin, CAB liquid, ethyl acetate, butyl acetate and the like into a reaction kettle according to the mass ratio;
(2) and uniformly mixing, stirring at medium speed and dispersing for 1 hour to obtain the UV spraying color-modifying essential oil.
The preparation method of the UV spraying matte transparent finish paint specifically comprises the following steps:
(1) putting six-membered aliphatic polyurethane, two-membered aliphatic polyurethane, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and the like into a reaction kettle in sequence according to the mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying matte transparent finish paint.
The coating process involved in the above implementation is:
wooden door → spraying UV transparent primer (curing + sanding) → spraying UV repainting essential oil → spraying UV matte transparent finish (curing) → finished product. The obtained UV coating coats the coating according to the coating system coating requirement of the invention. The paint film properties 24 hours after complete curing of the coating were as follows:
test items Test standards or methods Test results
Adhesion force GB/T15036.2-2001 0(100％)
Gloss (60 degree angle) 35°
Hardness of GB/T15036.2-2001 2H
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A full UV coating system for a wooden door is characterized by comprising UV spraying transparent primer, UV spraying color-modifying essential oil and UV spraying matte transparent finish;
the UV spraying transparent primer comprises the following components in percentage by mass:
modified epoxy acrylate: 10 to 25 percent;
two-part aliphatic urethane acrylate: 10 to 25 percent;
polyester acrylate: 10 to 20 percent;
1, 6-hexanediol diacrylate: 10 to 20 percent;
dipropylene glycol diacrylate: 5 to 10 percent;
hydroxyethyl methacrylate: 5 to 10 percent;
1250 mesh talcum powder: 10 to 20 percent;
zinc stearate: 2 to 5 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent.
2. The full UV coating system for the wooden door as claimed in claim 1, wherein the UV spraying color-repairing essential oil comprises the following components in percentage by mass:
solvent type acrylic acid modified resin: 30-40%;
CAB liquid: 20 to 35 percent;
ethyl acetate: 10 to 20 percent;
butyl acetate: 20 to 30 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent;
the CAB solution is cellulose acetate butyrate solution containing 80% of butyl acetate.
3. The all-UV coating system for the wooden door as claimed in claim 1, wherein the UV spraying matte transparent finish paint comprises the following components in percentage by mass:
six-membered aliphatic polyurethane: 10 to 25 percent;
two-part aliphatic polyurethane: 20 to 30 percent;
1, 6-hexanediol diacrylate: 10 to 20 percent;
dipropylene glycol diacrylate: 10 to 20 percent;
matting powder: 5 to 10 percent;
photoinitiator (2): 2 to 8 percent;
auxiliary agent: 1 to 5 percent.
4. The full UV coating system for wooden doors as claimed in claim 1, 2 or 3, wherein the auxiliary agent comprises leveling agent, defoaming agent, substrate wetting agent, dispersing agent, stabilizer, surface smoothing agent.
5. The preparation method of the full UV coating system for the wooden door as claimed in any one of claims 1 to 4, which is characterized by specifically comprising a preparation method of a UV spraying transparent primer, a preparation method of a UV spraying color-modifying essential oil and a preparation method of a UV spraying matte transparent finish paint.
6. The preparation method of the full UV coating system for the wooden door as claimed in claim 5, wherein the preparation method of the UV spraying transparent primer specifically comprises the following steps:
(1) putting modified epoxy acrylate, di-official aliphatic urethane acrylate, polyester acrylate, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and hydroxyethyl methacrylate into a reaction kettle in sequence according to a mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying transparent primer.
7. The preparation method of the full UV coating system for the wooden door as claimed in claim 5, wherein the preparation method of the UV spraying color-repairing essential oil specifically comprises the following steps:
(1) sequentially putting solvent type acrylic acid modified resin, CAB liquid, ethyl acetate, butyl acetate and the like into a reaction kettle according to the mass ratio;
(2) and uniformly mixing, stirring at medium speed and dispersing for 1 hour to obtain the UV spraying color-modifying essential oil.
8. The preparation method of the full UV coating system for the wooden door as claimed in claim 5, wherein the preparation method of the UV spraying matte transparent finish paint specifically comprises the following steps:
(1) putting six-membered aliphatic polyurethane, two-membered aliphatic polyurethane, 1, 6-hexanediol diacrylate, dipropylene glycol diacrylate and the like into a reaction kettle in sequence according to the mass ratio;
(2) heating to 40-60 ℃, and stirring at high speed for dispersing for 2 hours to obtain the UV spraying matte transparent finish paint.
9. The coating process of the full UV coating system for the wooden door according to any one of claims 1 to 8, is characterized by comprising the following steps:
(1) spraying UV spraying transparent primer on the wooden door, and performing curing and sanding treatment;
(2) spraying UV spraying transparent primer again, and carrying out curing and sanding treatment;
(3) spraying UV spraying color-repairing essential oil;
(4) spraying UV spraying matte transparent finish paint, and curing to obtain the finished product.
CN202111408582.3A 2021-11-25 2021-11-25 Full UV coating system for wooden door, preparation method and coating process Pending CN114149727A (en)

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