CN113174229A - UV-LED impression adhesive for glass product surface transfer printing and preparation method thereof - Google Patents
UV-LED impression adhesive for glass product surface transfer printing and preparation method thereof Download PDFInfo
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- CN113174229A CN113174229A CN202110337501.9A CN202110337501A CN113174229A CN 113174229 A CN113174229 A CN 113174229A CN 202110337501 A CN202110337501 A CN 202110337501A CN 113174229 A CN113174229 A CN 113174229A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- C09J163/10—Epoxy resins modified by unsaturated compounds
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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Abstract
The invention relates to a UV-LED impression adhesive for glass product surface transfer printing and a preparation method thereof, the material comprises 45-70 parts by weight of active prepolymer, 10-20 parts by weight of bifunctional active diluent, 10-20 parts by weight of trifunctional active diluent, 1-10 parts by weight of photoinitiator and 1-5 parts by weight of auxiliary agent, and the UV-LED impression adhesive is characterized in that: the active prepolymer is a mixture of bisphenol A epoxy acrylic resin and urethane acrylate. Wherein the weight part of the carbon-carbon double bond of the polyurethane acrylate is 2-6. According to the UV-LED impression adhesive for glass product surface transfer printing and the preparation method thereof, bisphenol A type epoxy acrylic resin and polyurethane acrylate are used as prepolymers, the viscosity is low, the comprehensive performance is good, namely the flexibility, the curing speed and the viscosity are good, so that the prepared UV adhesive and gloss oil are relatively low in viscosity, the dependence on a diluent is reduced, and the coatability with high solid content is ensured.
Description
Technical Field
The invention relates to the field of UV (ultraviolet) imprinting glue, in particular to UV-LED (ultraviolet-light emitting diode) imprinting glue for surface transfer printing of a glass product and a preparation method thereof.
Background
UV varnish is a key carrier for transfer printing. The existing UV gloss oil has poor impression transfer effect and the following problems: 1) the pattern transfer is unstable, and the reproducibility of the image and text of the printed product is not fine enough due to the serious curing shrinkage of common UV gloss oil; 2) the imprinting efficiency is low; 3) poor adhesion to glass, difficult removal of glue overflow or difficult demoulding.
With the development of gloss oil used on impression transfer equipment towards high speed, energy saving and environmental protection, the requirement on the performance of UV gloss oil is continuously improved, and the UV material is required to have not only high speed, fast solidification, good demoulding capability and transfer printing effect, but also good energy saving and environmental protection performance, and at present, no UV gloss oil material capable of meeting the requirement exists.
The invention discloses UV gloss oil for laser stamping transfer equipment, which is disclosed in the patent application No. CN201410370714.1 and is characterized by comprising the following components in parts by weight: 2-10 parts of a photoinitiator; 1-5 parts of 2-ethylhexyl acrylate; 1-5 parts of a base material wetting agent; 45-75 parts of a prepolymer; and 18-35 parts of a monomer. And after UV drying and demolding, generating a pattern with the same laser effect as the master film on the UV gloss oil surface. However, the technical effects of the technical scheme of the patent application, such as the viscosity and the curing speed of the prepared product, and the adhesive force and the elongation at break of the cured film layer, do not provide information such as detection data, and the technical effects are difficult to know. In addition, 2-ethylhexyl acrylate is a carcinogen, has certain influence on the body of operators, and cannot meet the requirement of complete environmental protection.
The existing UV impression transfer gloss oil has the problems, and the requirements are difficult to meet. Therefore, an energy-saving and environment-friendly UV gloss oil meeting the imprinting transfer process is urgently needed.
Disclosure of Invention
In order to achieve the purpose, the invention provides the UV impression adhesive cured by the LED light source, which has the advantages of reasonable formula, high refractive index, low shrinkage, no yellowing at high temperature, good bonding performance to glass, easy removal of overflow glue and easy demoulding, and the preparation method of the UV impression adhesive for surface transfer printing of glass products, which has the advantages of reasonable process design, simple and easy operation of processing technology, green and environment-friendly products, high curing speed and high transparency.
The invention adopts the following technical scheme: the UV-LED impression adhesive for glass product surface transfer printing comprises 45-70 parts by weight of active prepolymer, 10-20 parts by weight of bifunctional active diluent, 10-20 parts by weight of trifunctional active diluent, 1-10 parts by weight of photoinitiator and 1-5 parts by weight of auxiliary agent, wherein the active prepolymer is a mixture of bisphenol A epoxy acrylic resin and urethane acrylate, the weight part of carbon-carbon double bonds of the urethane acrylate is 2-6, and the refractive index is more than 1.50.
Further, the difunctional reactive diluent is difunctional acrylate which is one or a mixture of more than one of bisphenol epoxy diacrylate, neopentyl glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate and 1, 3-butanediol diacrylate.
Further, the trifunctional reactive diluent is trifunctional acrylate, and the trifunctional acrylate is one or a mixture of more than one of trimethylolpropane triacrylate, pentaerythritol triacrylate, ethoxylated trimethylolpropane triacrylate and propoxylated trimethylolpropane triacrylate.
Further, the photoinitiator is one or a mixture of 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide (TPO), 2,4, 6-trimethylbenzoyl-ethoxy-phenylphosphine oxide (TEPO) and bis (2,4, 6-trimethylbenzoyl) phenylphosphine oxide (819).
Furthermore, the auxiliary agent is one or more of a defoaming agent, a leveling agent and a wetting agent, the defoaming agent is a defoaming agent containing no silicon substances, and the leveling agent is an organic silicon leveling agent.
A preparation method of UV-LED impression glue for glass product surface transfer printing comprises the following steps:
(1) adding the reactive diluent, the photoinitiator and the auxiliary agent into a stirring pot according to the weight parts for pre-dispersion, and uniformly stirring;
(2) adding the active prepolymer into a stirring pot according to the weight part, uniformly mixing and stirring to obtain oil, and filtering to obtain the UV gloss oil.
Further, the rotation speed of the stirring in the step (1) is 500-.
Further, the rotation speed of the stirring in the step (2) is 1500r/min and the stirring time is 120min and 100-.
Further, the filtration in the step (2) is carried out by using a filter bag with 300 meshes and 350 meshes.
The invention has the following beneficial effects:
1. the bisphenol A epoxy acrylic resin and the polyurethane acrylate are prepolymers, the viscosity is low, the comprehensive performance is good, namely the flexibility, the curing speed and the viscosity are good, so that the viscosity of the prepared UV gloss oil is relatively low, the dependence on a diluent is reduced, meanwhile, the weight part of carbon-carbon double bonds of the polyurethane acrylate is 2-6, the refractive index is more than 1.50, and the high gloss and the high solid content coatability are ensured; the bifunctionality reactive diluent and the trifunctional reactive diluent are monomers, so that the photocuring speed can be increased, and the brightness can be improved; the auxiliary agent can minimize the influence of oxygen, the UV gloss oil is cured more thoroughly, and the wetting and leveling performance of the gloss oil is improved; the photoinitiator is a key component of the UV gloss oil, plays a decisive role in the photocuring speed of the UV gloss oil, solves the problem that common UV gloss oil cannot be completely cured in an energy-saving LED light source curing system due to the fact that the photoinitiator uses a phosphine oxide photoinitiator, has the advantages of high wear resistance, high glossiness and the like, and is simple in preparation method, easy to obtain raw materials, low in cost and wide in application prospect.
2. The UV imprinting adhesive prepared by the invention has the advantages of good glass bonding performance, high curing speed, good demolding effect and high production line efficiency, can be cured by using an LED light source, and is energy-saving and environment-friendly.
3. The UV stamping glue with proper viscosity for high-speed online is obtained. The viscosity of the UV printing glue is greatly influenced by the prepolymer and the monomer, and the viscosity of gloss oil prepared by different kinds of prepolymers is greatly different. The higher the functionality of the monomer, the higher the viscosity of the prepared gloss oil. The invention selects prepolymer with lower functionality (lower than 7) and monomer with functionality (lower than 4) as curing main body, and the viscosity of the stamping glue is moderate.
4. The adhesive force of the UV imprinting glue is improved by improving the volume shrinkage and wetting effect. The smaller the volume shrinkage of the impression compound, the better the adhesion of the coating. The prepolymer with lower functionality and the monomer with the monomer linear structure are selected, so that the volume shrinkage after curing is reduced, and the adhesive force of the coating is improved. Meanwhile, the proper auxiliary agent is selected to be beneficial to improving the wetting property of the coating and the base material.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows: in this example, the UV varnish was prepared from the following raw materials in parts by weight:
the active prepolymer is bisphenol A epoxy acrylic resin and urethane acrylate (the weight ratio of the two is 1:2), the bifunctional active diluent is hexanediol diacrylate, the trifunctional active diluent is a mixture of pentaerythritol triacrylate and trimethylolpropane triacrylate (the weight ratio of the two is 1:1), the photoinitiator is a mixture of a photoinitiator TPO, a photoinitiator TEPO and a photoinitiator 819 (the weight ratio of the three is 1:1:1), and the auxiliary agent is a wetting agent TEGO Wet 505 and a leveling agent TEGO 450 (the weight ratio of the two is 1: 1).
The preparation method comprises the following steps:
(1) adding the reactive diluent, the photoinitiator, the wetting agent and the flatting agent into a stirring pot according to the weight parts for pre-dispersion, uniformly stirring, wherein the stirring speed is 700r/min, and the stirring time is 25 min;
(2) adding bisphenol A epoxy acrylic resin and polyurethane acrylate into a stirring pot according to parts by weight, uniformly mixing and stirring at a stirring speed of 1050r/min for 120min, and filtering with a 300-mesh filter bag to obtain the UV gloss oil.
Example two: in this example, the UV varnish was prepared from the following raw materials in parts by weight:
the active prepolymer is bisphenol A epoxy acrylic resin and urethane acrylate (the weight ratio of the two is 1:1), the bifunctional active diluent is a mixture of hexanediol diacrylate and tripropylene glycol diacrylate (the weight ratio of the two is 1:1), the trifunctional active diluent is trimethylolpropane triacrylate, the photoinitiator is a mixture of photoinitiator TPO and photoinitiator TEPO (the weight ratio of the two is 1:1), and the auxiliary agent is wetting agent TEGO Wet 505 and leveling agent TEGO 450 (the weight ratio of the two is 1: 1).
The preparation method comprises the following steps:
(1) adding the reactive diluent, the photoinitiator, the wetting agent and the flatting agent into a stirring pot according to the weight parts for pre-dispersion, uniformly stirring, wherein the stirring speed is 550r/min, and the stirring time is 28 min;
(2) adding bisphenol A epoxy acrylic resin and polyurethane acrylate into a stirring pot according to parts by weight, mixing and stirring uniformly at a stirring speed of 1100r/min for 120min, and filtering with a 320-mesh filter bag to obtain the UV gloss oil.
Example three: in this example, the UV varnish was prepared from the following raw materials in parts by weight:
the active prepolymer is bisphenol A epoxy acrylic resin and urethane acrylate (the weight ratio of the two is 2:3), the difunctional active diluent is a mixture of hexanediol diacrylate and tripropylene glycol diacrylate (the weight ratio of the two is 1:1), the trifunctional active diluent is a mixture of pentaerythritol triacrylate and trimethylolpropane triacrylate (the weight ratio of the two is 1:1), the photoinitiator is a photoinitiator TPO, and the auxiliary agents are a wetting agent TEWEt 510 and a leveling agent TEGO410 (the weight ratio of the two is 1: 1).
The preparation method comprises the following steps:
(1) adding the reactive diluent, the photoinitiator, the wetting agent and the flatting agent into a stirring pot according to the weight parts for pre-dispersion, uniformly stirring, wherein the stirring speed is 750r/min, and the stirring time is 26 min;
(2) adding bisphenol A epoxy acrylic resin and polyurethane acrylate into a stirring pot according to parts by weight, uniformly mixing and stirring at the stirring speed of 1200r/min for 105min, and filtering with a 350-mesh filter bag to obtain the UV gloss oil.
Example four: in this example, the UV varnish was prepared from the following raw materials in parts by weight:
the active prepolymer is bisphenol A epoxy acrylic resin and urethane acrylate (the weight ratio of the two is 1:3), the bifunctional active diluent is 1, 3-butanediol diacrylate, the trifunctional active diluent is a mixture of pentaerythritol triacrylate and trimethylolpropane triacrylate (the weight ratio of the two is 1:1), the photoinitiator is TEPO, and the auxiliary agents are a wetting agent TEGO Wet 500, an antifoaming agent ByK011 and a leveling agent Digao TEGO 450 (the weight ratio of the three is 1: 1).
The preparation method comprises the following steps:
(1) adding the active diluent, the photoinitiator, the wetting agent, the defoaming agent and the flatting agent into a stirring pot according to the parts by weight for pre-dispersion, uniformly stirring, wherein the stirring speed is 800r/min, and the stirring time is 25 min;
(2) adding bisphenol A epoxy acrylic resin and polyurethane acrylate into a stirring pot according to parts by weight, uniformly mixing and stirring at the stirring speed of 1500r/min for 100min, and filtering with a 300-mesh filter bag to obtain the UV gloss oil.
Example five: in this example, the UV varnish was prepared from the following raw materials in parts by weight:
the active prepolymer is bisphenol A epoxy acrylic resin and urethane acrylate (the weight ratio of the two is 1:2), the bifunctional active diluent is tripropylene glycol diacrylate and 1, 3-butanediol diacrylate (the weight ratio of the two is 1:1), the trifunctional active diluent is a mixture of pentaerythritol triacrylate and trimethylolpropane triacrylate (the weight ratio of the two is 1:1), the photoinitiator is a photoinitiator 819, the photoinitiator TPO (the weight ratio of the two is 1:1), and the auxiliary agent is a wetting agent TEGO Wet 500 and a leveling agent DiGO 410 (the weight ratio of the two is 1: 1).
The preparation method comprises the following steps:
(1) adding the reactive diluent, the photoinitiator, the wetting agent and the flatting agent into a stirring pot according to the weight parts for pre-dispersion, uniformly stirring, wherein the stirring speed is 700r/min, and the stirring time is 25 min;
(2) adding bisphenol A type epoxy acrylic resin and polyurethane acrylate into a stirring pot according to the weight part, uniformly mixing and stirring at the stirring speed of 1350r/min for 120min, and filtering by using a 300-mesh filter bag to obtain the UV gloss oil.
The UV imprinting is an electronic copying and transferring process based on a UV ultraviolet light curing technology, is an advanced intelligent optical technology, and can meet the requirement of manufacturing micro-to-nano micro-lines without high-temperature stamping. The optical UV imprinting adhesive is a new generation of promotion technical support for micro-optics photoelectronics, 3D display screens, flexible printed electronics, touch control and special optical films. The common stamping process needs to use larger external pressure and even a high-temperature hot-press molding technology, so that energy consumption and time consumption are often caused, the image-text reproducibility of the obtained product is not fine enough, and most of the products can only be used for traditional industrial products.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (9)
1. The UV-LED impression adhesive for glass product surface transfer printing comprises 45-70 parts by weight of active prepolymer, 10-20 parts by weight of bifunctional active diluent, 10-20 parts by weight of trifunctional active diluent, 1-10 parts by weight of photoinitiator and 1-5 parts by weight of auxiliary agent, and is characterized in that: the active prepolymer is a mixture of bisphenol A epoxy acrylic resin and urethane acrylate, wherein the weight part of carbon-carbon double bonds of the urethane acrylate is 2-6.
2. The UV-LED imprint glue for glass article surface transfer printing according to claim 1, wherein: the bifunctionality reactive diluent is bifunctionality acrylate which is one or a mixture of more than one of bisphenol epoxy diacrylate, neopentyl glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate and 1, 3-butanediol diacrylate.
3. The UV-LED imprint glue for glass article surface transfer printing according to claim 1, wherein: the tri-functionality reactive diluent is tri-functionality acrylic ester, and the tri-functionality acrylic ester is one or a mixture of more than one of trimethylolpropane triacrylate, pentaerythritol triacrylate, ethoxylated trimethylolpropane triacrylate and propoxylated trimethylolpropane triacrylate.
4. The UV-LED imprint glue for glass article surface transfer printing according to claim 1, wherein: the photoinitiator is one or a mixture of 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide (TPO), 2,4, 6-trimethylbenzoyl-ethoxy-phenyl phosphine oxide (TEPO) and bis (2,4, 6-trimethylbenzoyl) phenyl phosphine oxide (819).
5. The UV-LED imprint glue for glass article surface transfer printing according to claim 1, wherein: the auxiliary agent is one or more of a defoaming agent, a leveling agent and a wetting agent, the defoaming agent is a defoaming agent containing no silicon substances, and the leveling agent is an organic silicon leveling agent.
6. A preparation method of UV-LED impression glue for glass product surface transfer printing comprises the following steps:
(1) adding the reactive diluent, the photoinitiator and the auxiliary agent into a stirring pot according to the weight parts for pre-dispersion, and uniformly stirring;
(2) adding the active prepolymer into a stirring pot according to the weight part, uniformly mixing and stirring to obtain oil, and filtering to obtain the UV gloss oil.
7. The method for preparing the UV-LED stamping glue for glass product surface transfer printing according to claim 6, wherein the UV-LED stamping glue comprises the following steps: the rotating speed of the stirring in the step (1) is 500-800r/min, and the stirring time is 25-30 min.
8. The method for preparing the UV-LED stamping glue for glass product surface transfer printing according to claim 6, wherein the UV-LED stamping glue comprises the following steps: the rotation speed of the stirring in the step (2) is 1000-.
9. The method for preparing the UV-LED stamping glue for glass product surface transfer printing according to claim 6, wherein the UV-LED stamping glue comprises the following steps: and (2) filtering by using a filter bag with 300-350 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337501.9A CN113174229A (en) | 2021-03-30 | 2021-03-30 | UV-LED impression adhesive for glass product surface transfer printing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110337501.9A CN113174229A (en) | 2021-03-30 | 2021-03-30 | UV-LED impression adhesive for glass product surface transfer printing and preparation method thereof |
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| CN113174229A true CN113174229A (en) | 2021-07-27 |
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| CN202110337501.9A Pending CN113174229A (en) | 2021-03-30 | 2021-03-30 | UV-LED impression adhesive for glass product surface transfer printing and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836165A (en) * | 2022-05-11 | 2022-08-02 | 湖北兴龙包装材料有限责任公司 | UV transfer printing adhesive and preparation method thereof |
| CN114891395A (en) * | 2022-06-09 | 2022-08-12 | 江苏省朗晖实业发展有限公司 | High-brightness glaze screen printing gloss oil and preparation method thereof |
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| CN105733389A (en) * | 2016-04-13 | 2016-07-06 | 湖南省金海科技有限公司 | LED-UV-cured transfer printing adhesive and preparation method thereof |
| CN107400408A (en) * | 2017-09-22 | 2017-11-28 | 江门市久冠松高分子材料有限公司 | A kind of UV solidification decorative inks of unsuitable xanthochromia and preparation method thereof |
| CN112194929A (en) * | 2017-02-10 | 2021-01-08 | 广东博海化工科技有限公司 | High-viscosity UV refraction ink for silk-screen printing |
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2021
- 2021-03-30 CN CN202110337501.9A patent/CN113174229A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105733389A (en) * | 2016-04-13 | 2016-07-06 | 湖南省金海科技有限公司 | LED-UV-cured transfer printing adhesive and preparation method thereof |
| CN112194929A (en) * | 2017-02-10 | 2021-01-08 | 广东博海化工科技有限公司 | High-viscosity UV refraction ink for silk-screen printing |
| CN107400408A (en) * | 2017-09-22 | 2017-11-28 | 江门市久冠松高分子材料有限公司 | A kind of UV solidification decorative inks of unsuitable xanthochromia and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836165A (en) * | 2022-05-11 | 2022-08-02 | 湖北兴龙包装材料有限责任公司 | UV transfer printing adhesive and preparation method thereof |
| CN114836165B (en) * | 2022-05-11 | 2023-10-20 | 湖北兴龙包装材料有限责任公司 | UV transfer printing adhesive and preparation method thereof |
| CN114891395A (en) * | 2022-06-09 | 2022-08-12 | 江苏省朗晖实业发展有限公司 | High-brightness glaze screen printing gloss oil and preparation method thereof |
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