Preparation method of special adhesive force resin for light-cured glass coating

Abstract

The invention belongs to the technical field of light-cured glass coatings, and discloses a preparation method of a special adhesive resin for a light-cured glass coating, which comprises the following preparation steps: S1, raw material selection: selecting a resin base material: the raw materials comprise a light-cured resin, a functional group, a cross-linking agent, a photoinitiator and a diluent, the resin is an acrylic resin, and the functional group is an acrylic resin; the functional group is amino silane, the cross-linking agent is a multi-amino cross-linking agent, the functional group, the cross-linking agent and the diluent are arranged, so that the adhesive force is enhanced, the cross-linking agent is used for improving the curing degree of the resin and the durability of a coating, the cross-linking reaction is carried out at 60-80 DEG C for 30 minutes, the cross-linking agent is ensured to fully react, and the light curing property of the coating is improved. Ethyl acetate has solubility and can effectively dissolve various organic resins, resin components and curing agent components, so that the viscosity of the coating is adjusted, and the coating can be quickly dried after being applied.

Description

Technical Field

[0001] The invention belongs to the technical field of light-curing glass coatings, and in particular relates to a method for preparing a special adhesion resin for light-curing glass coatings. Background Art

[0002] Adhesion resins specifically used for photocuring glass coatings are a type of key material used in photocuring glass coatings. They are mainly used to enhance the adhesion between the coating and the glass surface. Adhesion resins can enhance the bonding between the coating and the glass substrate, ensuring that the coating will not fall off or peel off on the glass surface. In the construction and home furnishing industries, photocuring resins can be used as part of decorative coatings on glass surfaces. Due to their photocuring properties, the coating can harden quickly in a short time, improving production efficiency. The coating can also give the glass surface different colors and gloss, making it decorative and beautiful.

[0003] However, the existing method for preparing a special adhesion resin for light-curing glass coating is not perfect and still has certain defects:

[0004] UV rays from photocurable resins may not be able to effectively penetrate thick coatings, resulting in incomplete curing of the coatings, affecting the performance and quality of the coatings. The weather resistance of photocurable resins needs to be enhanced. The curing process of photocurable resins depends on the action of photoinitiators, and the selection and amount of photoinitiators added will directly affect the curing speed. After curing, photocurable resins will become more brittle and hard. This brittleness may cause the coating to crack easily when impacted and stretched. Summary of the invention

[0005] The object of the present invention is to provide a method for preparing a special adhesion resin for light-curing glass coatings to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the present invention provides the following technical solution: a method for preparing a special adhesion resin for light-cured glass coating, comprising the following preparation steps:

[0007] S1. Raw material selection

[0008] Select resin base materials: the raw materials include light-curing resin, functional groups, cross-linking agents, photoinitiators and diluents. The resin is acrylic resin, which has adhesion and light-curing properties. The functional group is aminosilane, and the cross-linking agent is a polyamino cross-linking agent.

[0009] S2. Functional chemical modification

[0010] Silanization treatment: Introducing substances containing silane groups to enhance the adhesion between the resin and the glass surface. Silane forms a chemical bond with the hydroxyl groups on the glass surface;

[0011] Other modifiers: Add active agents and tackifiers to improve the compatibility of the resin with the glass surface;

[0012] S3. Resin formula design

[0013] Resin main component: Acrylic resin main component accounts for 80-90% of the formula;

[0014] Adhesion modifier: Add 5-10% adhesion modifier;

[0015] Photoinitiator: The photocuring system uses a photoinitiator to start the curing reaction;

[0016] Diluent: In order to adjust the viscosity and leveling of the resin, diluent is added. For light-curing coatings, choose solvents with low volatility;

[0017] S4. Synthesis process

[0018] The mixture is heated to promote the cross-linking reaction of the resin. During the reaction, the heating method is used to remove the existing bubbles to ensure the purity of the resin and the gloss effect after coating;

[0019] S5. Addition of photoinitiator

[0020] After the resin matrix is ​​synthesized, a photoinitiator is added to ensure that the coating can be cured in the subsequent curing process;

[0021] S6. Adjust coating properties

[0022] Viscosity adjustment: According to the use requirements of the resin, adjust the amount of resin diluent and solvent to adjust the viscosity of the coating;

[0023] Fluidity and adhesion test: After the coating is prepared, a coating experiment is required to evaluate the fluidity, adhesion and hardness of the coating on the glass surface;

[0024] S7, Application and Curing

[0025] During the coating process, the resin coating is applied to the glass surface by brushing. After coating, the coating is exposed to a UV light source for light curing to ensure that the coating hardens and forms a strong adhesion layer.

[0026] Preferably, in S1, the acrylic resin content is 50%, the resin synthesis and mixing are carried out at a temperature of 50-70° C., and the amount of aminosilane added is 1% to 5% of the resin weight.

[0027] Preferably, in S1, the reaction time of the mixture of aminosilane and acrylic resin is 2 hours, the addition amount of polyamino crosslinking agent is 5% to 15% of the total resin formula, and the crosslinking reaction is carried out at 60-80° C. for 30 minutes to ensure that the crosslinking agent reacts fully.

[0028] Preferably, in S5, the photoinitiator is divided into an ultraviolet light initiator and a visible light initiator, the ultraviolet light initiator is phenylstyrene, and the added amount of the photoinitiator is 0.5% to 3% of the weight of the resin.

[0029] Preferably, in S3, the diluent is ethyl acetate, and the amount of the diluent added is 10% to 30% of the total weight of the resin.

[0030] Preferably, the ethyl acetate has solubility and can effectively dissolve a variety of organic resins, resin components and curing agent components, so that the viscosity of the coating can be adjusted and can help the coating to dry quickly after application.

[0031] Preferably, in S7, the ultraviolet light source is a UV lamp and an LED light source to ensure that the fluidity, adhesion and curing performance of the coating reach the expected effects, and ultraviolet curing equipment is used to cure it.

[0032] The beneficial effects of the present invention are as follows:

[0033] The present invention provides a functional group, a crosslinking agent, a photoinitiator and a diluent. Aminosilane is a functional group with a glass-philic group, which is helpful to form a chemical bond at the interface between the resin and the glass, thereby enhancing the adhesion. The crosslinking agent is used to improve the curing degree of the resin and the durability of the coating. The crosslinking reaction is carried out at 60-80 DEG C and lasts for 30 minutes to ensure that the crosslinking agent fully reacts. The photoinitiator is divided into an ultraviolet light initiator and a visible light initiator. The ultraviolet light initiator is selected as phenylstyrene. The visible light initiator is a photosensitive catalyst. The photoinitiator is directly added to the resin at room temperature and fully mixed. The addition of the photoinitiator ensures that the resin can be quickly cured under ultraviolet and visible light, thereby improving production efficiency. The introduction of the functional group and the use of the crosslinking agent improve the adhesion and durability of the resin to the glass. The diluent is ethyl acetate, and the addition amount of the diluent is 10% to 30% of the total weight of the resin. Ethyl acetate has strong solubility and can effectively dissolve a variety of organic resins, resin components and curing agent components, so that the viscosity of the coating can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a preparation flow chart of the present invention. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] like Figure 1 As shown, the embodiment of the present invention provides a technical solution for a method for preparing a special adhesion resin for light-cured glass coating:

[0037] A method for preparing a special adhesion resin for light-cured glass coatings, comprising the following preparation steps:

[0038] S1. Raw material selection

[0039] Select resin base materials: the raw materials include light-curing resin, functional groups, cross-linking agents, photoinitiators and diluents. The resin is acrylic resin, which has adhesion and light-curing properties. The functional group is aminosilane, and the cross-linking agent is a polyamino cross-linking agent.

[0040] S2. Functional chemical modification

[0041] Silanization treatment: Introducing substances containing silane groups to enhance the adhesion between the resin and the glass surface. Silane can form chemical bonds with the hydroxyl groups on the glass surface;

[0042] Other modifiers: surfactants and tackifiers are added to improve the compatibility of the resin with the glass surface;

[0043] S3. Resin formula design

[0044] Resin main component: Acrylic resin main component accounts for 80-90% of the formula;

[0045] Adhesion modifier: Add 5-10% adhesion modifier;

[0046] Photoinitiator: A photocuring system requires a photoinitiator to start the curing reaction;

[0047] Diluent: In order to adjust the viscosity and leveling of the resin, diluent is added. For light-curing coatings, choose solvents with low volatility;

[0048] S4. Synthesis process

[0049] The mixture is heated to promote the cross-linking reaction of the resin. During the reaction, the heating method is used to remove the existing bubbles to ensure the purity of the resin and the gloss effect after coating;

[0050] S5. Addition of photoinitiator

[0051] After the resin matrix is ​​synthesized, a photoinitiator is added to ensure that the coating can be cured in the subsequent curing process;

[0052] S6. Adjust coating properties

[0053] Viscosity adjustment: According to the use requirements of the resin, adjust the amount of resin diluent and solvent to adjust the viscosity of the coating;

[0054] Fluidity and adhesion test: After the coating is prepared, a coating experiment is required to evaluate the fluidity, adhesion and hardness of the coating on the glass surface;

[0055] S7, Application and Curing

[0056] During the coating process, the resin coating is applied to the glass surface by brushing. After coating, the coating is exposed to a UV light source for light curing to ensure that the coating hardens and forms a strong adhesion layer.

[0057] Among them, the acrylic resin content is 50%, the synthesis and mixing of the resin are carried out at a temperature of 50-70°C, the addition amount of aminosilane is 1% to 5% of the weight of the resin, the reaction time of the mixing of aminosilane and acrylic resin is 2 hours, the addition amount of polyamino crosslinking agent is 5% to 15% of the total resin formula, the crosslinking reaction is carried out at 60-80°C and lasts for 30 minutes to ensure that the crosslinking agent reacts fully, the photoinitiator is divided into ultraviolet light initiator and visible light initiator, the ultraviolet light initiator is phenylstyrene, and the addition amount of the photoinitiator is 0.5% to 3% of the weight of the resin.

[0058] Among them, the diluent is ethyl acetate, and the added amount of the diluent is 10% to 30% of the total weight of the resin. Ethyl acetate has solubility and can effectively dissolve a variety of organic resins, resin components and curing agent components, so that the viscosity of the coating can be adjusted, and it can help the coating to dry quickly after application, ensuring that the fluidity, adhesion and curing performance of the coating achieve the expected effects, and ultraviolet curing equipment is used to cure it.

[0059] Select an appropriate reactor and ensure that it has good stirring, temperature control and exhaust equipment. Add epoxy resin, modifier and photoinitiator into the reactor according to the formula ratio, start stirring, and heat the mixture to promote the cross-linking reaction of the resin to ensure the uniformity of the resin. During the reaction, remove the bubbles by heating to ensure the purity of the resin and the gloss effect after coating. Set the functional groups, cross-linkers, photoinitiators and diluents. Aminosilane is a functional group with glass-philic groups, which helps to form chemical bonds at the interface between the resin and the glass, thereby enhancing adhesion. The cross-linker is used to improve the curing degree of the resin and the durability of the coating. The cross-linking reaction is carried out at 6 The process is carried out at 0-80°C for 30 minutes to ensure that the crosslinking agent fully reacts. The photoinitiator is divided into an ultraviolet light initiator and a visible light initiator. The ultraviolet light initiator selected is phenylstyrene, and the visible light initiator is a photosensitive catalyst. The addition of the photoinitiator ensures that the resin can be quickly cured under ultraviolet and visible light, thereby improving production efficiency. The introduction of functional groups and the use of crosslinking agents can enhance the adhesion and durability of the resin to glass. The diluent is ethyl acetate, and the amount of the diluent added is 10% to 30% of the total weight of the resin. Ethyl acetate is soluble and can effectively dissolve a variety of organic resins, resin components and curing agent components, so that the viscosity of the coating can be adjusted.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for preparing a special adhesion resin for light-curing glass coating, characterized in that: The method comprises the following preparation steps: S1. Raw material selection Select resin base materials: the raw materials include light-curing resin, functional groups, cross-linking agents, photoinitiators and diluents. The resin is acrylic resin, which has adhesion and light-curing properties. The functional group is aminosilane, and the cross-linking agent is a polyamino cross-linking agent. S2. Functional chemical modification Silanization treatment: Introducing substances containing silane groups to enhance the adhesion between the resin and the glass surface. Silane forms a chemical bond with the hydroxyl groups on the glass surface; Other modifiers: Add active agents and tackifiers to improve the compatibility of the resin with the glass surface; S3. Resin formula design Resin main component: Acrylic resin main component accounts for 80-90% of the formula; Adhesion modifier: Add 5-10% adhesion modifier; Photoinitiator: Photocuring systems use photoinitiators to start the curing reaction; Diluent: In order to adjust the viscosity and leveling of the resin, add diluent. For light-curing coatings, choose solvents with low volatility; S4. Synthesis process The mixture is heated to promote the cross-linking reaction of the resin. During the reaction, the bubbles are removed by heating to ensure the purity of the resin and the gloss effect after coating. S5. Addition of photoinitiator After the resin matrix is ​​synthesized, a photoinitiator is added to ensure that the coating can be cured in the subsequent curing process; S6. Adjust coating properties Viscosity adjustment: According to the use requirements of the resin, adjust the amount of resin diluent and solvent to adjust the viscosity of the coating; Fluidity and adhesion test: After the coating is prepared, a coating experiment is carried out to evaluate the fluidity, adhesion and hardness of the coating on the glass surface; S7, Application and Curing During the coating process, the resin coating is applied to the glass surface by brushing. After coating, the coating is exposed to a UV light source for light curing, ensuring that the coating hardens and forms a strong adhesion layer.

2. The method for preparing a special adhesion resin for light-curing glass coating according to claim 1, characterized in that: In the S1, the acrylic resin content is 50%, the resin synthesis and mixing are carried out at a temperature of 50-70° C., and the added amount of aminosilane is 1% to 5% of the resin weight.

3. The method for preparing a special adhesion resin for light-curing glass coating according to claim 2, characterized in that: In S1, the reaction time of the mixture of aminosilane and acrylic resin is 2 hours, the addition amount of polyamino crosslinking agent is 5% to 15% of the total resin formula, and the crosslinking reaction is carried out at 60-80° C. for 30 minutes to ensure that the crosslinking agent reacts fully.

4. The method for preparing a special adhesion resin for light-curing glass coating according to claim 1, characterized in that: In the above S5, the photoinitiator is divided into ultraviolet light initiator and visible light initiator, the ultraviolet light initiator is phenylstyrene, and the added amount of the photoinitiator is 0.5% to 3% of the weight of the resin.

5. The method for preparing a special adhesion resin for light-curing glass coating according to claim 1, characterized in that: In the step S3, the diluent is ethyl acetate, and the amount of the diluent added is 10% to 30% of the total weight of the resin.

6. The method for preparing a special adhesion resin for light-curing glass coating according to claim 5, characterized in that: The ethyl acetate has solubility and can effectively dissolve a variety of organic resins, resin components and curing agent components, so that the viscosity of the coating can be adjusted and can help the coating to dry quickly after application.

7. The method for preparing a special adhesion resin for light-curing glass coating according to claim 1, characterized in that: In S7, the ultraviolet light source is a UV lamp and an LED light source to ensure that the fluidity, adhesion and curing performance of the coating reach the expected effects, and the coating is cured using an ultraviolet curing device.

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