CN116042077B - UV light source cured glass roller coating adhesion primer and preparation method thereof - Google Patents

UV light source cured glass roller coating adhesion primer and preparation method thereof Download PDF

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Publication number
CN116042077B
CN116042077B CN202211223664.5A CN202211223664A CN116042077B CN 116042077 B CN116042077 B CN 116042077B CN 202211223664 A CN202211223664 A CN 202211223664A CN 116042077 B CN116042077 B CN 116042077B
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parts
coupling agent
light source
primer
acrylic ester
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CN116042077A (en
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范新强
龙鑫
刘伟
王海军
邓文根
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Shanghai Junzilan New Material Co ltd
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Shanghai Junzilan New Material Co ltd
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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
    • 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
    • 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
    • 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
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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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 paint, and discloses a glass roller coating adhesion primer solidified by a UV light source and a preparation method thereof, wherein the preparation raw materials comprise, by mass, 40-60 parts of acrylate prepolymer, 45-55 parts of acrylate monomer, 10-20 parts of adhesion promoter, 1-15 parts of coupling agent, 10-20 parts of filler, 0.1-5 parts of initiator, 0.1-5 parts of defoamer and 1-5 parts of dispersing agent. According to the invention, polyurethane acrylic ester and acrylic ester monomer are compounded, the monomer and the wetting dispersant are compounded, and then adhesive resin, phosphate, silane coupling agent and filler are matched to ensure the construction effect and improve the adhesive force, improve the delamination condition on a glass plate and improve the boiling resistance and the soaking resistance.

Description

UV light source cured glass roller coating adhesion primer and preparation method thereof
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 UV light source cured glass roller coating adhesion primer and a preparation method thereof.
Background
At present, paint for glass surfaces in the market mainly comprises water paint products which are directly sprayed, but the water paint spraying has certain defects, the paint film has long waiting time, the occupation space of plates is large, the paint consumption is large, and the mechanized high-efficiency production is difficult. The UV light curing roller coating primer can meet the requirement of batch high-efficiency mechanized production, can solve the problem of space occupation, has small paint consumption and greatly reduces the cost. In addition, the water-based paint sprayed on glass has poor boiling resistance, and the traditional UV roller coating adhesion primer is easy to delaminate on a glass plate, and has unsatisfactory boiling resistance and boiling resistance.
In order to solve the problems, application document CN201810901862.X discloses a toughened glass water-based UV primer, wherein the preparation raw materials comprise modified polyurethane acrylate, acrylic ester, hydroxy acrylic ester, defoamer, wetting agent, leveling agent, scratch-resistant agent and silicon dioxide. The yellowing resistance of the primer is improved by preparing the modified polyurethane acrylic ester with the shout conjugated benzene ring structure, and the primer has high flexibility and high strength, but no study on boiling resistance, water resistance and adhesive force is performed.
Application CN201711352415.5 discloses a UV primer for glass surfaces, the raw materials for preparation of which comprise epoxy acrylate, monomer, initiator, defoamer, leveling agent, wetting agent, dispersant and anti-settling agent. The epoxy acrylate with higher hydroxyl value and acid value is selected as a main body of the coating, so that good adhesive force of the coating on the surface of glass is ensured, and the adhesive force is further improved by selecting a low-functionality monomer.
Disclosure of Invention
In order to solve the problems, the invention ensures the construction effect and improves the adhesive force by compounding polyurethane acrylic ester, acrylic ester monomer and wetting dispersant and then matching adhesive resin, phosphate ester, silane coupling agent and filler, improves the situation that delamination occurs on a glass plate and improves the boiling resistance and the soaking resistance.
The invention provides a glass roller coating adhesion primer cured by a UV light source, which comprises, by mass, 40-60 parts of an acrylate prepolymer, 45-55 parts of an acrylate monomer, 10-20 parts of an adhesion promoter, 1-15 parts of a coupling agent, 10-20 parts of a filler, 0.1-5 parts of an initiator, 0.1-5 parts of a defoaming agent and 1-5 parts of a dispersing agent.
Preferably, the acrylate prepolymer comprises one or more of epoxy acrylate prepolymer, polyester acrylate prepolymer, organosilicon modified acrylate prepolymer, fluorine modified acrylate prepolymer, polyurethane acrylate prepolymer and phosphoric acid acrylate prepolymer.
Further preferably, the acrylate prepolymer is a urethane acrylate prepolymer, a phosphoric acid acrylate prepolymer.
Further preferably, the urethane acrylate prepolymer comprises one or more of aliphatic polyether urethane diacrylate and aromatic polyether urethane diacrylate.
Further preferably, the urethane acrylate prepolymer is an aromatic polyether urethane diacrylate.
Further preferably, the aromatic polyether urethane diacrylate is purchased from Jiangsu Sanmu chemical Co., ltd., model 6201.
Further preferably, the phosphoacrylate prepolymer is phosphoacrylate, purchased from Zhongshan Qian's chemical materials Co., ltd., model UV7427.
Preferably, the acrylate monomer comprises one or more of 1, 6-hexanediol diacrylate, hydroxyethyl methacrylate, trimethylolpropane triacrylate and hydroxypropyl methacrylate.
Further preferably, the acrylate monomer is 1,6 hexanediol diacrylate, hydroxyethyl methacrylate.
In order to increase the crosslinking density of the polymer, it is further preferable that the mass ratio of the urethane acrylate prepolymer to hydroxyethyl methacrylate is (1-3): (1-2) the polymer has more cross-linked network structure, and the movement of the molecular weight of the polymer in the paint film is greatly limited; and the glass transition temperature of the polymer is improved to a certain extent, the free volume among molecules is smaller, the invasion of water can be resisted, and the boiling resistance and the water resistance of the primer are effectively improved. Still more preferably, the mass ratio of the urethane acrylate prepolymer to the hydroxyethyl methacrylate is 2:1.
Preferably, the adhesion promoter comprises 2-5 parts of special modified UV adhesive resin and 5-15 parts of polyurethane adhesive resin in parts by weight.
In order to improve the adhesion of the primer to the glass surface, it is further preferable that the mass ratio of the special modified UV adhesive resin to the polyurethane adhesive resin is 1: (1-3) improving the compatibility of the adhesive resin in the system. Still more preferably, the mass ratio of the special modified UV adhesive resin to the polyurethane adhesive resin is 1:2.
Further preferably, the special modified UV adhesive resin is purchased from Changsha Guangxin New Material Co., ltd., model LT-408; the polyurethane adhesive resin was purchased from Hunan Junggong New Material Co., ltd., model T-8.
Preferably, the coupling agent comprises one or more of titanate coupling agent, aluminate coupling agent and silane coupling agent.
Further preferably, the coupling agent is a silane coupling agent.
Further preferably, the silane coupling agent is a silane coupling agent containing an epoxy group.
Further preferably, the epoxy group-containing silane coupling agent is purchased from the courtesy chemical company, model Adherant 1051.
Preferably, the filler comprises one or more of silicon dioxide, talcum powder, mica powder, calcium carbonate, titanium dioxide and carbon black.
Further preferably, the filler is silica and talc.
Further preferably, the mass ratio of the silicon dioxide, talcum powder and silane coupling agent is (3-7): 10: (4-8).
In the application, the mass ratio of the silicon dioxide, the talcum powder and the silane coupling agent is controlled to be (3-7): 10: (4-8), effectively improving the boiling resistance, tensile strength and adhesive force of the primer. In order to ensure that the primer film has certain flexibility, the primer film is not easy to crack in the use process, and polyether polyurethane acrylic ester is selected as a main polymer, but the mechanical property and the heat resistance of the paint film are affected. The applicant finds that when the specific amount of silicon dioxide, talcum powder and silane coupling agent act together, the specific amount of silicon dioxide, talcum powder and silane coupling agent are uniformly dispersed in a three-dimensional network structure, so that the tensile strength of the primer is effectively improved; and through the effect of the silane coupling agent, the combination of the silicon dioxide, the talcum powder and the organic polymer is tighter, the crosslinking density of the polymer can be improved, the boiling resistance of the primer is further improved, the shrinkage stress of the polymer can be reduced, and the adhesive force of the primer to the glass substrate is improved.
Further preferably, the mass ratio of the silicon dioxide, talcum powder and silane coupling agent is 1:2:1.
Further preferably, the silica is fumed silica, purchased from Shanghai England New Material Co., ltd., model A-360; the talcum powder is purchased from Guangxi Longshengjinbei shell new material science and technology Co., ltd, model 2500# talcum powder.
Preferably, the initiator is a photoinitiator.
Further preferably, the photoinitiator comprises one or more of 2-hydroxy-2-methyl-1-phenylpropione, 1-hydroxycyclohexyl phenyl ketone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and methyl benzoate.
Further preferably, the photoinitiator is 2-hydroxy-2-methyl-1-phenylpropion, 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide.
In order to improve the performance of the paint film, it is further preferable that the mass ratio of the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide, the phosphoric acid acrylic ester prepolymer and the polyurethane acrylic ester prepolymer is (0.4-0.6): (13-17): (35-45) the photoinitiator and the self-initiated phosphate acrylate prepolymer are respectively subjected to deep curing and primer surface layer curing, so that the roller white background is not easy to delaminate, and the curing rate is high. In addition, the applicant speculates that the hydroxyl and metal ions on the surface of the phosphoric acid acrylic ester prepolymer and the glass substrate are easy to form hydrogen bonds and complexes, and under the combined action of the three components, the formed polymer molecular chain is easy to generate local chain segment diffusion at the interface, so that the adhesion of the primer to the glass substrate is effectively improved. Still further optimized, the mass ratio of the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide to the phosphoric acid acrylic ester prepolymer to the polyurethane acrylic ester prepolymer is 0.5:15:40.
Further preferably, the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide is purchased from Hubei solid lubrication technologies Co., ltd; the 2-hydroxy-2-methyl-1-phenylpropion was purchased from double bond chemical industry (Shanghai) limited.
Preferably, the defoamer comprises a polydimethylsilane emulsion DAPRO AP1622, tegoairex, 920.
Further preferably, the defoamer is Tegoairex 920,920, purchased from win specialty Chemie (Shanghai) Inc.
Preferably, the dispersing agent comprises one or more of aliphatic amide dispersing agents, ester dispersing agents and aliphatic polyether dispersing agents.
Further preferably, the dispersant is an aliphatic polyether dispersant.
Further preferably, the dispersant is an aliphatic polyether dispersant containing an acidic group.
In order to improve the workability of the paint film primer, it is further preferable that the mass ratio of the aliphatic polyether dispersant, 1,6 hexanediol diacrylate and the urethane acrylate prepolymer is (1-3): (24-26): 40, the viscosity of the polymer is regulated through the dispersing agent and the acrylic acid monomer, so that the leveling property of a paint film is better, and the boiling resistance of the primer is further improved.
Further preferably, the aliphatic polyether dispersant, 1,6 hexanediol diacrylate, the polyurethane acrylate prepolymer has a mass ratio of 2:25:40.
Further preferably, the aliphatic polyether dispersant containing AN acidic group is purchased from Shanghai Kaijin chemical Co., ltd., model Efka PU 4010AN.
The second part of the invention provides a preparation method of a glass roller coating adhesion primer solidified by a UV light source, which comprises the following steps:
S1: mixing the acrylate prepolymer and the acrylate monomer according to the formula amount, wherein the temperature is 30-40 ℃, the stirring time is 3-4h, and the stirring speed is 300-800rpm, so as to obtain a mixed solution A;
S2: sequentially adding initiator, filler, dispersant, defoamer and adhesion promoter in the formula amount into the mixed solution A obtained in the step S1, and stirring for 4-9min at the temperature of 20-30 ℃ at the stirring speed of 300-500rpm to obtain mixed solution B;
S3: and (3) adding the coupling agent with the formula amount into the mixed solution B obtained in the step (S2), stirring at the stirring speed of 300-500rpm and at the temperature of 20-30 ℃ for 4-9min to obtain the glass roller coating adhesion primer solidified by the UV light source.
The beneficial effects are that:
(1) In the application, the mass ratio of the polyurethane acrylate prepolymer to the hydroxyethyl methacrylate is (1-3): (1-2) effectively improving the boiling resistance and the water resistance of the primer.
(2) In the application, the mass ratio of the silicon dioxide, the talcum powder and the silane coupling agent is controlled to be (3-7): 10: (4-8), effectively improving the boiling resistance, tensile strength and adhesive force of the primer.
(3) In the application, the mass ratio of the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide to the phosphoric acid acrylic ester prepolymer to the polyurethane acrylic ester prepolymer is (0.4-0.6): (13-17): (35-45), the curing rate is high, and the adhesion of the primer to the glass substrate is effectively improved.
(4) In the application, the mass ratio of the aliphatic polyether dispersant to the 1, 6-hexanediol diacrylate to the polyurethane acrylate prepolymer is (1-3): (24-26): 40, the leveling property of the paint film is better, and the boiling resistance of the primer is improved.
Examples
Example 1
The glass roller coating adhesion primer cured by the UV light source comprises, by mass, 55 parts of acrylate prepolymer, 45 parts of acrylate monomer, 15 parts of adhesion promoter, 5 parts of coupling agent, 15 parts of filler, 1.5 parts of initiator, 0.5 part of defoamer and 2 parts of dispersing agent.
The acrylic ester prepolymer is 40 parts of aromatic polyether polyurethane diacrylate and 15 parts of phosphoric acid acrylic ester according to the parts by weight.
The aromatic polyether type polyurethane diacrylate is purchased from Jiangsu Sanmu chemical Co., ltd., model 6201; the phosphate acrylate is purchased from Zhongshan Qian's chemical materials Co., ltd., model UV7427.
The acrylate monomer is 25 parts of 1, 6-hexanediol diacrylate and 20 parts of hydroxyethyl methacrylate in parts by mass.
The 1,6 hexanediol diacrylate, hydroxyethyl methacrylate, was purchased from Changxing chemical industry (China) Inc.
The adhesive force promoter comprises, by mass, 5 parts of special modified UV adhesive force resin and 10 parts of polyurethane adhesive force resin.
The special modified UV adhesive resin is purchased from Changsha Guangxin New Material Co., ltd., model LT-408; the polyurethane adhesive resin was purchased from Hunan Junggong New Material Co., ltd., model T-8.
The coupling agent is a silane coupling agent containing epoxy groups and is purchased from Shanghai chemical Co., ltd, model Adherant 1051.
The filler is 5 parts of fumed silica and 10 parts of talcum powder according to the parts by weight.
The fumed silica is purchased from Shanghai Leun New Material Co., ltd., model A-360; the talcum powder is purchased from Guangxi Longshengjinbei shell new material science and technology Co., ltd, model 2500# talcum powder.
The initiator comprises, by mass, 0.5 part of 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and 1 part of 2-hydroxy-2-methyl-1-phenylpropionic acid.
The 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide was purchased from Hubei solid wet technologies Co., ltd; the 2-hydroxy-2-methyl-1-phenylpropion was purchased from double bond chemical industry (Shanghai) limited.
The defoamer was purchased from win-creation specialty chemical (Shanghai) limited, model Tegoairex, 920.
The dispersant is an aliphatic polyether dispersant containing an acidic group, and is purchased from Shanghai Kaijin chemical industry Co., ltd, and the model Efka PU 4010AN.
A preparation method of a glass roller coating adhesion primer solidified by a UV light source comprises the following steps:
S1: mixing the acrylate prepolymer with the formula amount and the acrylate monomer, wherein the temperature is 35 ℃, the stirring time is 3.5h, and the stirring speed is 600rpm, so as to obtain a mixed solution A;
s2: sequentially adding initiator, filler, dispersing agent, defoamer and adhesion promoter in the formula amount into the mixed solution A obtained in the step S1, and stirring for 6min at the temperature of 25 ℃ at the stirring speed of 400rpm to obtain mixed solution B;
S3: and (3) adding the coupling agent with the formula amount into the mixed solution B obtained in the step (S2), stirring at the stirring speed of 400rpm and at the temperature of 25 ℃ for 5min to obtain the glass roller coating adhesion primer solidified by the UV light source.
Example 2
The specific embodiment is the same as example 1, and is different from example 1 in that the adding amount of the phosphoric acid acrylic ester is 13 parts by weight; the adding amount of the hydroxyethyl methacrylate is 15 parts; the addition amount of the 1, 6-hexanediol diacrylate is 25 parts;
Example 3
The specific embodiment is the same as example 1, and is different from example 1 in that aromatic polyether type polyurethane diacrylate is replaced by polyester acrylate, the adding amount of the polyester acrylate is 45 parts by weight, and the polyester acrylate is purchased from Guangzhou iridescent New Material science and technology Co., ltd, model ZC8606; the adding amount of the hydroxyethyl methacrylate is 10 parts.
Example 4
The specific embodiment is the same as in example 1, and differs from example 1 in that the filler is calcium carbonate, the mesh number is 1250 mesh, and the filler is purchased from mineral processing factories in the Lingshu county Cheng Fei.
Example 5
The specific embodiment is the same as example 1, and is different from example 1 in that the adding amount of the phosphoric acid acrylic ester is 5 parts by weight; the addition amount of the initiator is 1 part, and the initiator is 2-hydroxy-2-methyl-1-phenylpropionic acid.
Performance testing
Performance test 1
The substrate was a clean glass sheet and the UV light source cured glass roll coating of examples 1-5 was applied as follows:
Respectively roll-coating the glass roll-coating adhesion primer cured by the UV light source in examples 1-5 on the base materials 1-5 by using a roll-coating machine, wherein the single coating weight of the roll coating is 20g/m 2, and forming the primer on the surfaces of the base materials 1-5 after UV curing; then, a UV roller coating white background is coated on the priming paint on the surface of the base material 1-5 in a coating amount of 20g/m 2 for UV curing.
The UV curing conditions are that a UV mercury lamp is used for curing for 5min under the energy of 260mj/m 2; the UV roller-coated white background is self-made by the company, and the model is C-442 UV roller-coated white primer.
The films of examples 1 to 5 were subjected to the performance test of adhesion, boiling resistance and tensile strength, and the results are reported in Table 1.
(1) Adhesion force
The adhesion test standard is according to GB/T4893.4-2013.
(2) Boiling resistance
The substrates carrying the paint films of examples 1 to 5 were immersed in water at a constant temperature of 100℃and the bubbling and delamination of the paint films were examined every 0.5 h.
The time for the film to foam and delaminate without appearance is noted as t: t is more than or equal to 2h and is qualified, t is more than or equal to 1h and is less than or equal to 2h and is unqualified, and t is less than 1h and is poor.
(3) Tensile Strength
Tensile strength test criteria are in accordance with GB/T19250-2013.
Performance test 2
The substrate was a clean glass sheet, the UV light source cured glass of example 1 was roll coated with an adhesion primer under the following construction method, the adhesion was carried out with a conventional UV roll coating adhesion primer, and the water paint was subjected to adhesion, boiling resistance, water resistance, and tensile strength properties, and the results are reported in Table 2.
The performance test method comprises the following steps:
adhesion, poaching resistance and tensile strength: test method and test method for adhesion force (1), (2) boiling resistance and (3) tensile strength in performance test 1
Water resistance: the substrates carrying the paint films of examples 1 to 5 were immersed in water at 25℃at constant temperature, and the bubbling and delamination of the paint films were examined every 24 hours. The time for the film to foam and delaminate without appearance is noted as t1: t1 is more than or equal to 120h, t1 is more than or equal to 72h and less than 120h is qualified, t1 is more than or equal to 48h and less than 72h is unqualified, and t1 is less than 48h is poor.
The construction method comprises the following steps:
UV light source cured glass roll coating adhesion primer of example 1: the same as in the construction mode of performance test 1.
Traditional UV roller coating adhesion primer: the same as in the construction mode of performance test 1.
Aqueous paint: and (3) spraying water paint, wherein the coating weight is 130+/-10 g/m 2, the film thickness is 105+/-5 mu m, the temperature is 25 ℃ for 4 hours, and then baking is carried out at 40 ℃ for 24 hours.
The traditional UV roller coating adhesion primer is self-made by the company, and model C-400 UV roller coating melamine adhesion primer; the water paint is self-made by the company, and is a C-552 water-based high-adhesion white primer.
TABLE 1
Adhesion (grade) Boiling resistance Tensile Strength (MPa)
Example 1 0 Qualified product 8
Example 2 1 Qualified product 7
Example 3 2 Failure to pass 5
Example 4 3 Failure to pass 4
Example 5 3 Difference of difference 5
TABLE 2
Summarizing: the UV light source cured glass roller coating primer prepared in the embodiment 1 is convenient in construction mode, the adhesive force can reach 0 level, and the performance of water-proof, boiling-proof and tensile strength is obviously superior to that of water paint and traditional UV roller coating primer.
The water paint has long curing time after spraying and needs baking, and the single water paint spraying amount and occupied space are large. The UV roller coating adhesion bottom roller coating prepared in the embodiment 1 only needs 20g/m 2 at a time, is high in curing rate, does not occupy a space, can take off the line, pack and deliver goods only after being connected with one production line for 5min, and is high in production efficiency.

Claims (2)

1. The glass roller coating adhesion primer cured by the UV light source is characterized by comprising, by mass, 55 parts of acrylate prepolymer, 45 parts of acrylate monomer, 10-20 parts of adhesion promoter, 1-15 parts of coupling agent, 10-20 parts of filler, 0.1-5 parts of initiator, 0.1-5 parts of defoamer and 1-5 parts of dispersant;
The acrylic ester prepolymer is 40 parts of aromatic polyether type polyurethane diacrylate and 15 parts of phosphoric acid acrylic ester;
the acrylic ester monomer is 25 parts of 1, 6-hexanediol diacrylate and 20 parts of hydroxyethyl methacrylate;
The filler comprises silicon dioxide and talcum powder; the mass ratio of the silicon dioxide, the talcum powder and the coupling agent is (3-7): 10: (4-8);
the silicon dioxide is fumed silica; the coupling agent is a silane coupling agent containing epoxy groups.
2. A method of preparing a UV light source cured glass roll coating adhesion primer according to claim 1, comprising the steps of:
S1: mixing the acrylate prepolymer and the acrylate monomer according to the formula amount, wherein the temperature is 30-40 ℃, the stirring time is 3-4h, and the stirring speed is 300-800rpm, so as to obtain a mixed solution A;
S2: sequentially adding initiator, filler, dispersant, defoamer and adhesion promoter in the formula amount into the mixed solution A obtained in the step S1, and stirring for 4-9min at the temperature of 20-30 ℃ at the stirring speed of 300-500rpm to obtain mixed solution B;
S3: and (3) adding the coupling agent with the formula amount into the mixed solution B obtained in the step (S2), stirring at the stirring speed of 300-500rpm and at the temperature of 20-30 ℃ for 4-9min to obtain the glass roller coating adhesion primer solidified by the UV light source.
CN202211223664.5A 2022-10-08 2022-10-08 UV light source cured glass roller coating adhesion primer and preparation method thereof Active CN116042077B (en)

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CN202211223664.5A CN116042077B (en) 2022-10-08 2022-10-08 UV light source cured glass roller coating adhesion primer and preparation method thereof

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103834293A (en) * 2014-03-04 2014-06-04 芜湖市艾德森自动化设备有限公司 UV (Ultraviolet) curing seal primer with good leveling property and preparation method of primer
CN105153847A (en) * 2015-10-14 2015-12-16 芜湖春风新材料有限公司 Water-based glass high-temperature baking varnish and preparation method thereof
CN112063275A (en) * 2020-08-19 2020-12-11 广东立邦长润发科技材料有限公司 Ultraviolet light cured primer and finish for aluminum coil precoating
CN113621302A (en) * 2021-08-26 2021-11-09 广东立邦长润发科技材料有限公司 Reciprocating spraying UV-LED curing adhesion primer and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103834293A (en) * 2014-03-04 2014-06-04 芜湖市艾德森自动化设备有限公司 UV (Ultraviolet) curing seal primer with good leveling property and preparation method of primer
CN105153847A (en) * 2015-10-14 2015-12-16 芜湖春风新材料有限公司 Water-based glass high-temperature baking varnish and preparation method thereof
CN112063275A (en) * 2020-08-19 2020-12-11 广东立邦长润发科技材料有限公司 Ultraviolet light cured primer and finish for aluminum coil precoating
CN113621302A (en) * 2021-08-26 2021-11-09 广东立邦长润发科技材料有限公司 Reciprocating spraying UV-LED curing adhesion primer and preparation method thereof

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