CN115322661B - Stone plastic plate functional coating and preparation method thereof - Google Patents
Stone plastic plate functional coating and preparation method thereof Download PDFInfo
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- CN115322661B CN115322661B CN202210964265.8A CN202210964265A CN115322661B CN 115322661 B CN115322661 B CN 115322661B CN 202210964265 A CN202210964265 A CN 202210964265A CN 115322661 B CN115322661 B CN 115322661B
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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
- 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
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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
- 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
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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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of coatings, and discloses a coating for stone plastic plate printing and a preparation method thereof, wherein the coating comprises, by weight, 20-60 parts of an acrylic acid prepolymer, 10-40 parts of an acrylic acid monomer, 1-5 parts of an initiator, 3-8 parts of a filler, 10-30 parts of a pigment and 1-5 parts of an auxiliary agent. According to the invention, the acrylic monomer is compounded, and the anti-wear agent is added with TiO 2 And chemically modified SiO 2 The coating for the stone plastic plate printing function has good adhesive force, hardness, wear resistance, water resistance and ageing resistance.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to the field of IPC C09D167, and more particularly relates to a stone plastic plate functional coating and a preparation method thereof.
Background
The articles are exposed to the atmosphere and erode by oxygen, moisture and the like, which causes damage phenomena such as rust, wood decay, cement wind bloom and the like. In order to prolong the service life of various materials, a certain protective film is formed by coating the surface of an object with a coating, so that the occurrence and development of the damage phenomena can be prevented or delayed. Ultraviolet light curing (UV) paint is a novel environment-friendly material. Among them, acrylic acid prepolymer is an important photo-curable oligomer which can synthesize an oligomer of set properties by molecular design due to the diversity of its structural selection.
The UV coating developed at present has some problems to different degrees, and cannot meet the requirements in a plurality of severe application environments: (1) UV coating is poorly wetted by photo-curing and has poor adhesive force; (2) insufficient water resistance and antioxidant properties; (3) When simple epoxy acrylate, urethane acrylate or other acrylate resins are used as photosensitive resins, excellent comprehensive properties such as poor water resistance, abrasion resistance and scratch resistance are not easily obtained in the coating.
In order to solve the problems, the application document with the patent number of CN202111347438.3 discloses an abrasion-resistant and anti-fouling ultraviolet light curing PVC floor coating, wherein fluorine-containing hyperbranched thiourethane is added to reduce the internal stress and the curing shrinkage of a system, enhance the adhesive force with a substrate, simultaneously introduce a rigid polythiourethane structure, and improve the crosslinking density, the hardness and the abrasion resistance of the coating. The ageing resistance and the water resistance of the paint are not obviously improved.
The patent number CN201610998030.5 discloses a PVC floor ultraviolet curing coating, wherein the wear resistance of the coating is improved by adding an anti-wear agent, the anti-fouling performance of a system is improved by adding epoxy resin, and the adhesive force and the ageing resistance of the coating to a substrate are not obviously improved.
Disclosure of Invention
In order to solve the problems, the first aspect of the invention provides a stone plastic plate printing functional coating, which comprises, by weight, 20-60 parts of acrylate prepolymer, 10-40 parts of acrylic monomers, 1-5 parts of initiator, 3-8 parts of filler, 10-30 parts of pigment and 1-5 parts of auxiliary agent.
Preferably, the acrylic acid ester prepolymer comprises one or more of epoxy acrylic acid prepolymer, polyester acrylic acid prepolymer, organic fluorine modified acrylic acid prepolymer and organic silicon modified acrylic acid prepolymer.
Further preferably, the acrylate prepolymer is a polyester acrylic acid prepolymer.
Further preferably, the polyester acrylic prepolymer has a viscosity of 20,000 to 50,000N.s/m 2 The number of the functionality is 5-10; still more preferably, the polyester acrylic prepolymer has a viscosity of 20,000 to 50,000N.s/m 2 The number of functionalities was 6.
Further preferably, the polyester acrylate prepolymer is purchased from Shenzhen Temey technology Co., ltd, model 830.
Preferably, the acrylic monomer comprises one or more of butyl methacrylate, butyl acrylate, methyl acrylate, ethyl acrylate and trimethylolpropane triacrylate.
Further preferably, the acrylic monomer is butyl methacrylate, butyl acrylate, and trimethylolpropane triacrylate.
Further preferably, the weight ratio of the trimethylolpropane triacrylate to the butyl methacrylate or butyl acrylate is (2-5): 1.
Further preferably, the weight ratio of the trimethylolpropane triacrylate to the butyl methacrylate is 5:1, and the weight ratio of the trimethylolpropane triacrylate to the butyl acrylate is 4:1.
Further preferably, the butyl methacrylate (CAS number 97-88-1) is purchased from Shandong Chuang chemical Co., ltd (Jinan Yuan Xiang chemical Co., ltd.); butyl acrylate (CAS number: 142-32-2), purchased from Nantong Runfeng petrochemical Co., ltd; the trimethylolpropane triacrylate (CAS number 15625-89-5) was purchased from Chengdu Tuoli Co.
Butyl methacrylate and butyl acrylate are introduced, so that the generated polymer has smaller surface tension and better wettability to the substrate. In the polymerization reaction process, the trihydroxymethyl propane triacrylate, the butyl methacrylate and the butyl acrylate are synergistically introduced into polar groups, a macromolecular polymer in the coating and a polymer on the surface of the stone plastic plate easily form a diffusion surface layer, local chain segment diffusion occurs, a reticular structure is formed, and the adhesive force and the wear resistance of the coating are improved.
Preferably, the initiator is a photoinitiator, including one or a combination of a plurality of azo initiators or peroxide initiators.
Further preferably, the azo initiator comprises azobisisobutyronitrile and azobisisoheptonitrile; the peroxide initiator comprises dibenzoyl peroxide, dibutyl tertiary group peroxide, sodium persulfate and potassium persulfate.
Further preferably, the azo initiator is azobisisobutyronitrile; the peroxide initiator is dibenzoyl peroxide.
Further preferably, the weight ratio of the azodiisobutyronitrile to the dibenzoyl peroxide is (2-4): 1.
Further preferably, the weight ratio of the azodiisobutyronitrile to the dibenzoyl peroxide is 3:1.
Further preferably, said azobisisobutyronitrile (CAS number 78-67-1) is purchased from Jinan century to chemical industry Co., ltd; the said dibenzoyl peroxide (CAS number: 94-36-0) was purchased from Jiangyin City, inc.
In order to improve the adhesive force and the hardness of the coating, in some preferred schemes, the photoinitiator is azodiisobutyronitrile or dibenzoyl peroxide. The azodiisobutyronitrile and the dibenzoyl peroxide are simultaneously used as an initiator, a small amount of polymers with different molecular weights are formed in the polymerization reaction, and the polymers are cooperated to generate local chain segment diffusion; and the main chain flexibility of the polymer is reduced, so that the hardness of the coating is improved.
Preferably, the filler is SiO 2 ；
Further preferably, the SiO 2 Modification of nano SiO for KH570 2 。
Further preferably, KH570 modified nano SiO 2 The average particle diameter was 20nm.
Further preferably, KH570 modified nano SiO 2 Purchased from Jiangsu Xianfeng nanomaterials technology Co., ltd, model 100363.
SiO 2 Mainly distributed among chains of high polymer material, and nano SiO 2 The nano silicon dioxide (treated by KH 570) has extremely strong activity due to the characteristics of insufficient surface coordination, huge specific surface area, surface oxygen shortage and the like, and can easily produce bonding action with oxygen, so that intermolecular bonding force is improved, the strength, toughness and ductility of the nano silicon dioxide added material are greatly improved, and the wear resistance and scratch resistance are enhanced.
Preferably, the pigment is TiO 2 One or more of zinc oxide.
Further preferably, the TiO 2 The weight part of the pigment is 1-3 parts, and the balance is zinc oxide.
Further preferably, the TiO 2 The average particle diameter of (2) is 15-60nm.
Further preferably, the TiO 2 The zinc oxide is purchased from Beijing De island gold technology Co., ltd, and the zinc oxide is purchased from Jiangsu Xianfeng nano materials technology Co., ltd.
Nanometer TiO 2 The paint can exist between the network structures formed on the surfaces of the stone plastic plates, the specific surface area is large, the interaction with hydrophilic groups in the system is sufficient, the microstructure of the paint after film formation is changed, the pores of the paint are reduced, a stable pore structure is formed, the permeation of water vapor and oxygen to the surface layer of the paint is blocked, namely, the paint has high moisture resistance and aging resistance effects while the stability is maintained.
Preferably, the auxiliary agent comprises one or more of an antiwear agent, a wetting agent, an antifoaming agent, an adhesion promoter and an ultraviolet absorber.
Further preferably, the wear-resistant agent comprises one or more of ceramic powder, calcium carbonate, talcum powder and mica powder.
Further preferably, the wear-resistant agent is ceramic powder, purchased from Henan Xin Yuan chemical products Co., ltd, and the model is self-produced far infrared ceramic powder.
Further preferably, the wetting agent includes an anionic surfactant and a nonionic surfactant.
Further preferably, the anionic surfactant comprises one or more of anionic polyacrylamide, triethanolamine salt and oleoyl chloride sodium polyformal Lei Mibang A; still more preferably, the anionic surfactant is an anionic polyacrylamide having a molecular weight of 800-200 and is commercially available from Suzhou Kagaku Kogyo Co., ltd. Model A-130.
Further preferably, the defoaming agent comprises one or more of polyether, organosilicon, polyether and organosilicon structure composite.
Further preferably, the polyether defoamer comprises one or more of polyoxyethylene (polyoxypropylene) ether, polypropylene glycol and glycerol polyoxypropylene ether; still more preferably, the polyether defoamer is glycerol polyoxypropylene ether with a hydroxyl value of 52-60mgKOH/g and is purchased from the chemical engineering Co., ltd., model GP-330.
Further preferably, the adhesion promoter comprises one or more of mixed etherified glycoluril resin, epoxy phosphate ester and modified polyester compound.
Further preferably, the adhesion promoter is a mixed etherified glycoluril resin (CAS number 67846-63-3), purchased from Hubei Jiang Mintai Chemie Co., ltd., model TH-3.
Further preferably, the ultraviolet absorber comprises one or more of benzophenone absorber, salicylate absorber and benzotriazole absorber.
Further preferably, the diphenyl ketone ultraviolet absorber is one or more of 2, 4-dihydroxydiphenyl ketone, 2-hydroxy-4-methoxyl diphenyl ketone and 2-hydroxy-4-n-octoxydiphenyl ketone; still more preferably, the benzophenone ultraviolet absorber is 2, 4-dihydroxybenzophenone (CAS number 131-56-6), purchased from Hefeijian chemical Co., ltd.
The second aspect of the invention provides a preparation method of the stone plastic plate printing functional paint, which comprises the following steps:
step (1), adding 20-60 parts of polyester acrylic acid prepolymer and 10-40 parts of acrylic acid monomer into a device provided with stirring, and stirring for 3-4 hours under the stirring speed of 300-800rpm to obtain a first mixed solution;
in the step (2), adding 10-30 parts of pigment and 1-5 parts of auxiliary agent into the first mixed solution in the step (1) in a device provided with stirring, and stirring for 5-7min at the stirring speed of 400-700rpm to obtain a second mixed solution;
and (3) adding 3-8 parts of filler and 1-5 parts of initiator into the second mixed solution in the step (2) in a device with stirring, wherein the stirring speed is 300-500rpm, and the stirring time is 4-9min, so as to obtain the functional coating.
The beneficial effects are that:
1. modification of nano SiO by KH570 2 The wear resistance and scratch resistance of the paint are improved by using the paint as the filler.
2. By selecting butyl methacrylate, butyl acrylate and trimethylolpropane triacrylate as acrylic monomers, the adhesive force and wear resistance of the coating are improved.
3. The hardness and the wear resistance of the coating are improved by selecting the azodiisobutyronitrile and the dibenzoyl peroxide as the initiator.
4. By selecting nano TiO 2 The pigment is used for improving the water resistance and aging resistance of the paint.
5. The functional coating prepared by the invention has good water resistance, strong aging resistance, strong adhesive force, strong wear resistance and high hardness, and can be applied to Dan Su plates.
Examples
Example 1
The embodiment 1 provides a stone plastic plate printing functional coating, which comprises, by weight, 50 parts of acrylate prepolymer, 35 parts of acrylic monomer, 1 part of initiator, 3 parts of filler, 10 parts of pigment and 1 part of auxiliary agent.
The acrylate prepolymer is polyester acrylate prepolymer, and is purchased from Shenzhen Temey technology Co., ltd, and the model is 830.
The acrylic monomer is butyl methacrylate and trimethylolpropane triacrylate, and the mass ratio of the trimethylolpropane triacrylate to the butyl methacrylate is 5:1.
butyl methacrylate (CAS number: 97-88-1), purchased from Shandong Chuang chemical Co., ltd (Jinan Yuan Xiang chemical Co., ltd.); the trimethylolpropane triacrylate (CAS number 15625-89-5) was purchased from Chengdu Tuoli Co.
The initiator is azodiisobutyronitrile and dibenzoyl peroxide, and the weight ratio of the azodiisobutyronitrile to the dibenzoyl peroxide is 3:1.
the azobisisobutyronitrile (CAS number: 78-67-1) was purchased from Jinan century to chemical industry Co., ltd; the said dibenzoyl peroxide (CAS number: 94-36-0) was purchased from Jiangyin City, inc.
The filler is KH570 modified nano SiO 2 The average particle diameter was 20nm.
KH570 modified nano SiO 2 Purchased from Jiangsu Xianfeng nanomaterials technology Co., ltd, model 100363.
The pigment is nano TiO 2 And zinc oxide, nano TiO 2 The average particle diameter of (2) is 30nm; nanometer TiO 2 The pigment comprises 2 parts by weight and the balance zinc oxide.
The TiO 2 Purchased from beijing, department of island gold technologies, inc; the zinc oxide is purchased from Jiangsu Xianfeng nano material technology Co.
The auxiliary agent is an antiwear agent, a wetting agent, a defoaming agent, an adhesion promoter and an ultraviolet absorber.
The wear-resistant agent is ceramic powder, and is purchased from Henan Xin chemical products limited company, and the model is self-produced far infrared ceramic powder.
The wetting agent is anionic polyacrylamide with molecular weight of 800-200, and is purchased from Su Hao Nuo industry Co., ltd, and model number is A-130.
The defoamer is glycerol polyoxypropylene ether with a hydroxyl value of 52-60mgKOH/g and is purchased from Nanjing Rui chemical engineering Co., ltd, and the model is GP-330.
The adhesion promoter is mixed etherified glycoluril resin (CAS number: 67846-63-3), and is purchased from Hubei Jiang Mintai Huashi chemical Co., ltd., model TH-3.
The ultraviolet absorbent 2, 4-dihydroxybenzophenone (CAS number: 131-56-6) is purchased from Hefeijian chemical Co., ltd.
The preparation method of the stone plastic plate printing functional coating comprises the following steps:
step (1), adding a polyester acrylic acid prepolymer and an acrylic monomer into a device provided with stirring, and stirring for 3.5 hours under the stirring speed of 400rpm to obtain a first mixed solution;
adding pigment and auxiliary agent into the first mixed solution in the step (1) in a device with stirring, and stirring for 6min at the stirring speed of 600rpm to obtain a second mixed solution;
and (3) adding a filler and an initiator into the second mixed solution in the step (2) in a device with stirring, and stirring for 8min at the stirring speed of 400rpm to obtain the functional coating.
Example 2
The difference from example 1 is that the acrylic monomer is butyl acrylate and trimethylolpropane triacrylate, and the mass ratio of the trimethylolpropane triacrylate to the butyl acrylate is 4:1, a step of; the initiator is azobisisobutyronitrile and dibenzoyl peroxide, and the weight ratio of the azobisisobutyronitrile to the dibenzoyl peroxide is 2:1.
the butyl acrylate (CAS number: 142-32-2) was purchased from Nantong Runfeng petrochemical Co., ltd.
Example 3
The difference from example 1 is that the initiator is azobisisobutyronitrile and dibenzoyl peroxide, the weight ratio of azobisisobutyronitrile to dibenzoyl peroxide is 4:1, a step of;
the pigment is nano TiO 2 And zinc oxide, nano TiO 2 Has an average particle diameter of 60nm and is purchased from Beijing Kodak gold technologies Co., ltd; nanometer TiO 2 The pigment comprises 1 part by weight and the balance of zinc oxide.
Comparative example 1
The only difference from example 1 is that the acrylic monomers are trimethylolpropane triacrylate and acrylic acid, the weight ratio of trimethylolpropane triacrylate to acrylic acid being 5:1.
Comparative example 2
The only difference from example 1 is that the acrylic monomer is epoxy bis (meth) acrylate and butyl methacrylate, the mass ratio of epoxy bis (meth) acrylate and butyl methacrylate is 5:1.
Comparative example 3
The only difference from example 1 is that the filler is nano SiO 2 。
The nano SiO 2 The average particle size was 20nm and purchased from Jiangsu Xianfeng nanomaterials technologies Inc.
Comparative example 4
The only difference from example 1 is that the pigment is nano TiO 2 。
The nano TiO 2 The average particle diameter was 200nm, purchased from Beijing Kodak island gold technology Co.
Comparative example 5
The only difference from example 1 is that the photoinitiator is a xylenyl peroxide.
Performance testing
The coatings of the examples 1 to 3 and the comparative examples 1 to 5 were respectively coated on stone-plastic plates with a coating thickness of 30 μm and an intensity of 30mW/cm in an ultraviolet lamp 2 Under the condition that the curing time is 3 hours, the stone plastic plate functional coating is obtained. And (5) performing performance measurement on the stone plastic plate functional paint coating.
1. Adhesion force
Adhesion tests were carried out on the functional coating layers of the stone-plastic panels obtained in examples 1 to 3 and comparative examples 1 to 5, the test methods were determined according to GB/T4893.4-2013, and the affected areas (in percent) of the test pieces after cross-cutting are shown in Table 1.
2. Water resistance
The functional coating layers of the stone plastic plates obtained in examples 1 to 3 and comparative examples 1 to 5 were subjected to a water resistance test, and the test method was measured according to GB/T30648.2-2015. Appearance rating and adhesion data are included in table 1.
3. Hardness of
Pencil hardness tests were carried out on the functional coating layers of stone-plastic plates obtained in examples 1 to 3 and comparative examples 1 to 5, and the test methods were measured according to GB/T6739-2006, and the measured data are shown in Table 1.
TABLE 1
| Adhesion (%) | Water resistance | Hardness of | |
| Example 1 | 2.9 | The appearance is qualified, 8.1 percent | 4H |
| Example 2 | 3.4 | Qualified appearance, 10.5 percent | 4H |
| Example 3 | 4.1 | The appearance is qualified, 11.4 percent | 4H |
| Comparative example 1 | 7.3 | Qualified appearance, 12.7 percent | 3H |
| Comparative example 2 | 8.8 | The appearance is qualified, 13.6 percent | 3H |
| Comparative example 3 | 10.2 | Qualified appearance, 14.2% | 3H |
| Comparative example 4 | 4.4 | Qualified appearance, 20.3 percent | 4H |
| Comparative example 5 | 9.6 | Qualified appearance, 14.6% | 3H |
Claims (4)
1. The stone plastic plate printing functional coating is characterized by comprising the following raw materials in parts by weight: 20-60 parts of acrylic ester prepolymer, 10-40 parts of acrylic monomer, 1-5 parts of initiator, 3-8 parts of filler, 10-30 parts of pigment and 1-5 parts of auxiliary agent;
the acrylic monomers are butyl methacrylate, butyl acrylate and trimethylolpropane triacrylate, and the weight ratio of the trimethylolpropane triacrylate to the butyl methacrylate to the butyl acrylate is (4-6): 1, a step of;
the initiator is a combination of azo initiator and peroxide initiator;
the azo initiator is azodiisobutyronitrile, the peroxide initiator is dibenzoyl peroxide, and the weight ratio of the azodiisobutyronitrile to the dibenzoyl peroxide is (2-4) 1;
the filler is SiO 2 The method comprises the steps of carrying out a first treatment on the surface of the The SiO is 2 Is surface organic modified nano SiO 2 Average particle diameter 20nm;
the pigment is TiO 2 The method comprises the steps of carrying out a first treatment on the surface of the The TiO 2 Is nano TiO 2 The average particle diameter is 15-60nm, and the mass part in the pigment is 1-3 parts.
2. The stone plastic plate printing functional coating according to claim 1, wherein the auxiliary agent is one or a combination of a plurality of anti-wear agents, wetting agents, defoamers, adhesion promoters and ultraviolet absorbers.
3. A method of preparing a functional coating according to claim 1, comprising the steps of:
step (1) mixing the acrylate prepolymer with the formula amount and the acrylic monomer, and uniformly stirring to obtain a first mixed solution;
sequentially adding the pigment and the auxiliary agent with the formula amount into the first mixed solution obtained in the step (1) and uniformly mixing to obtain a second mixed solution;
and (3) sequentially adding the filler and the initiator in the formula amount into the second mixed solution obtained in the step (2), and uniformly stirring to obtain the functional coating.
4. The method for preparing a functional coating according to claim 3, wherein the stirring time in the step (1) is 3 to 4 hours, and the stirring speed is 300 to 800rpm; in the step (2), the stirring time is 5-7min, and the stirring speed is 400-700rpm; the stirring time in the step (3) is 4-9min, and the stirring speed is 300-500rpm.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816515A (en) * | 2012-08-14 | 2012-12-12 | 江苏大学 | Aqueous silicon dioxide-fluorinated acrylate polyurethane ultraviolet-curing coating, preparation method and application thereof |
| JP2015025063A (en) * | 2013-07-26 | 2015-02-05 | 株式会社トクヤマ | Photochromic curable composition, coating agent containing the composition, and photochromic laminate |
| CN114763447A (en) * | 2021-10-22 | 2022-07-19 | 安徽柏枝新材料有限公司 | Acrylic polyurethane coating and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816515A (en) * | 2012-08-14 | 2012-12-12 | 江苏大学 | Aqueous silicon dioxide-fluorinated acrylate polyurethane ultraviolet-curing coating, preparation method and application thereof |
| JP2015025063A (en) * | 2013-07-26 | 2015-02-05 | 株式会社トクヤマ | Photochromic curable composition, coating agent containing the composition, and photochromic laminate |
| CN114763447A (en) * | 2021-10-22 | 2022-07-19 | 安徽柏枝新材料有限公司 | Acrylic polyurethane coating and preparation method thereof |
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