CN112210326A - High-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and preparation method thereof - Google Patents
High-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN112210326A CN112210326A CN202011010244.XA CN202011010244A CN112210326A CN 112210326 A CN112210326 A CN 112210326A CN 202011010244 A CN202011010244 A CN 202011010244A CN 112210326 A CN112210326 A CN 112210326A
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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
- C09J143/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
- C09J143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives 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
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J11/08—Macromolecular 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/24—Homopolymers or copolymers of amides or imides
- C09J133/26—Homopolymers or copolymers of acrylamide or methacrylamide
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and a preparation method thereof, and particularly relates to the technical field of optical pressure-sensitive adhesives, wherein the used raw materials comprise, by weight, 35-65 parts of composite emulsion, 10-20 parts of acrylate copolymer, 8-12 parts of lithium silicate, 2-8 parts of sodium methylsilicate, 1-3 parts of silica micropowder, 10-30 parts of blue light absorber, 10-20 parts of ultraviolet shielding agent, 4-8 parts of auxiliary agent and the balance of water. The invention achieves the purpose of high light transmittance by adding the blue light absorbent, the ultraviolet screening agent and the composite emulsion, simultaneously improves the aging resistance, the strength and the chemical resistance of the composite emulsion, can accelerate the curing speed, improve the bonding effect, increase the sealing property and the seepage resistance, has obvious hydrophobicity, simultaneously keeps stable bonding strength, and has better blue light prevention and radiation prevention functions.
Description
Technical Field
The embodiment of the invention relates to the technical field of optical pressure-sensitive adhesives, and particularly relates to a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and a preparation method thereof.
Background
With the development of science and technology and the social progress, functional materials become the focus of various industries. The blue light and radiation resistance is effectively improved by using the functional material, and the living performance and the storage life can be improved to a certain extent. Under the premise of high viscosity, the functional optical pressure-sensitive adhesive can bring greater convenience to the life of people through high light transmittance, hydrophobicity, oleophobicity and other properties. The blue-light-proof radiation-proof transparent functional internal and external wall optical pressure-sensitive adhesive is capable of effectively improving aging resistance and reducing environmental pollution, and plays an increasingly important role in modern life.
The development of a novel high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and a functional optical pressure-sensitive adhesive with a combination of multiple mechanisms is an effective way for improving the competitiveness of the optical pressure-sensitive adhesive industry.
Disclosure of Invention
Therefore, the embodiment of the invention provides a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive and a preparation method thereof, the purpose of high light transmittance is achieved by adding a blue light absorber, an ultraviolet shielding agent and a composite emulsion, the anti-aging, strength and chemical resistance of the adhesive are improved, the curing speed can be accelerated, the bonding effect is improved, the sealing property and the seepage resistance are increased, the stable bonding strength is maintained while the adhesive has obvious hydrophobicity, and in addition, the blue-light-proof radiation-proof optical pressure-sensitive adhesive has a better blue-light-proof radiation-proof function.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive comprises, by weight, 35-65 parts of a composite emulsion, 10-20 parts of an acrylate copolymer, 8-12 parts of lithium silicate, 2-8 parts of sodium methylsilicate, 1-3 parts of silica micropowder, 10-30 parts of a blue light absorbent, 10-20 parts of an ultraviolet shielding agent, 4-8 parts of an auxiliary agent and the balance of water.
Further, the composite emulsion is a cross-linked copolymer of acrylamide, ethylhexyl (meth) acrylate, dodecachloroheptyl methacrylate and gamma-methacryloxypropyltriethoxysilane, and the particle size of the composite emulsion is 30-80 nm.
Further, the blue light absorber is a composition of a black essence and a yellow phosphor, or a composition of a black essence and a yellow essence, or a composition of a black essence and a green phosphor.
Further, the ultraviolet screening agent is a composition of nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P.
Further, the auxiliary agent comprises a dispersing agent, a defoaming agent, a leveling agent and a film-forming auxiliary agent in a mass ratio of 1:1:1:1, wherein the dispersing agent is a sodium polycarboxylate dispersing agent, the defoaming agent is polyether silicone oil, the leveling agent is a chlorine leveling agent, and the film-forming auxiliary agent is an alcohol ester film-forming auxiliary agent.
The invention also discloses a preparation method of the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive, which comprises the following specific steps:
step one, preparing a composite emulsion: sequentially adding an emulsifier, divinylbenzene, acrylamide and deionized water into a 250ml flask provided with a stirrer, a thermometer and a reflux condenser, pre-emulsifying in a water bath at 75-90 ℃ for 30-60min, adding a 10% potassium persulfate aqueous solution, adjusting the pH to 9-10 by using a saturated sodium carbonate solution, and reacting for 30-50 min;
slowly dripping acrylamide and ethylhexyl (meth) acrylate by using a constant-pressure dropping funnel, and dripping 10% potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane and dodecyl chloroheptyl methacrylate, wherein the PH of the system is kept to be 9-10;
heating to 80-90 ℃, reacting for 4-6h, naturally cooling to room temperature after the reaction is finished, and finishing the reaction to obtain the chlorine-containing silicon styrene-acrylic composite emulsion;
step two, uniformly mixing an ultraviolet screening agent prepared by mixing nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P according to a proportion with a blue light absorbent, an acrylate copolymer, lithium silicate, sodium methyl silicate and silicon micropowder, and then adding a dispersing agent, a defoaming agent and a leveling agent for uniformly mixing;
and step three, adding the composite emulsion and the film forming auxiliary agent in the step two, and then uniformly stirring to obtain the blue-light-proof radiation-proof optical pressure-sensitive adhesive.
Further, the ratio of the emulsifier, divinylbenzene, acrylamide, ionic water and an aqueous solution of potassium persulfate in the first step is 1:1:20:850: 1.
Further, in step one, the ratio of acrylamide, ethylhexyl (meth) acrylate, aqueous potassium persulfate, gamma-methacryloxypropyltriethoxysilane, and dodecadichloroheptyl methacrylate is 4:5:1:1: 2.
Further, in the second step, the mixing ratio of the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P is 1:1: 1.
The embodiment of the invention has the following advantages:
1. according to the invention, an organic-inorganic blending system is formed by adding a blue light absorbent and an ultraviolet shielding agent, the effective refractive index of the material is reduced, and the high light transmittance is achieved;
2. according to the invention, the ultraviolet screening agent prepared from the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P can ensure that the optical pressure-sensitive adhesive has strong ultraviolet reflection capability and good stability, and simultaneously improves the anti-aging, strength and chemical resistance performances, and can accelerate the curing speed of the optical pressure-sensitive adhesive, improve the bonding effect and increase the sealing property and the seepage resistance of the optical pressure-sensitive adhesive;
3. the added acrylate copolymer has excellent stability and thickening performance, the viscosity of the optical pressure-sensitive adhesive is effectively improved, the added lithium silicate and the silicon micropowder enable the optical pressure-sensitive adhesive to have the advantages of heat resistance and radiation resistance, the strength, the wear resistance, the moisture resistance, the weather resistance and the dry-wet alternation resistance of the optical pressure-sensitive adhesive are effectively improved, and in addition, the added sodium methyl silicate enables the optical pressure-sensitive adhesive to have obvious hydrophobicity and simultaneously maintain stable bonding strength;
4. the paint contains a large amount of chlorine elements and silicon elements, has strong hydrophobic and oleophobic properties, and the paint of the painting brush only stays on the surface of the coating, can be easily wiped off, can be repeatedly written on the surface of the coating, and has good blue light-proof and radiation-proof functions when being painted.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention provides a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive which comprises, by weight, 35 parts of a composite emulsion, 10 parts of an acrylate copolymer, 8 parts of lithium silicate, 2 parts of sodium methyl silicate, 1 part of silica micropowder, 10 parts of a blue light absorbent, 10 parts of an ultraviolet shielding agent, 4 parts of an auxiliary agent and the balance of water.
Further, the composite emulsion is a cross-linked copolymer of acrylamide, ethylhexyl (meth) acrylate, dodecachloroheptyl methacrylate and gamma-methacryloxypropyltriethoxysilane, and the particle size of the composite emulsion is 30 nm.
Further, the blue light absorber is a composition of black essence and yellow fluorescent powder.
Further, the ultraviolet screening agent is a composition of nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P.
Further, the auxiliary agents comprise a dispersing agent, a defoaming agent, a leveling agent and a film-forming auxiliary agent in a mass ratio of 1:1:1:1, wherein the dispersing agent is a sodium polycarboxylate dispersing agent, the defoaming agent is polyether silicone oil, the leveling agent is a chlorine leveling agent, and the film-forming auxiliary agent is an alcohol ester film-forming auxiliary agent, specifically alcohol ester-12.
The invention also discloses a preparation method of the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive, which comprises the following specific steps:
step one, preparing a composite emulsion: sequentially adding an emulsifier, divinylbenzene, acrylamide and deionized water into a 250ml flask provided with a stirrer, a thermometer and a reflux condenser tube, pre-emulsifying for 30min in a water bath at 75 ℃, adding a 10% potassium persulfate aqueous solution, adjusting the pH to 9 with a saturated sodium carbonate solution, and reacting for 30min, wherein the ratio of the emulsifier to the divinylbenzene to the acrylamide to the ionic water to the potassium persulfate aqueous solution is 1:1:20:850: 1;
slowly adding acrylamide and ethylhexyl (meth) acrylate dropwise through a constant-pressure dropping funnel, adding a 10% potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane and dodecachloroheptyl methacrylate dropwise while keeping the pH of the system stable at 9, wherein the ratio of the acrylamide, the ethylhexyl (meth) acrylate, the potassium persulfate aqueous solution, the gamma-methacryloxypropyltriethoxysilane and the dodecachloroheptyl methacrylate is 4:5:1:1: 2;
heating to 80 ℃, reacting for 4 hours, naturally cooling to room temperature after the reaction is finished, and finishing the reaction to obtain the chlorine-silicon-containing styrene-acrylic composite emulsion;
step two, uniformly mixing the ultraviolet screening agent prepared by mixing the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P according to the proportion of 1:1:1 with the blue light absorbent, the acrylate copolymer, the lithium silicate, the sodium methyl silicate and the silicon micropowder, and then adding the dispersing agent, the defoaming agent and the flatting agent for uniformly mixing;
and step three, adding the composite emulsion and the film forming auxiliary agent in the step two, and then uniformly stirring to obtain the blue-light-proof radiation-proof optical pressure-sensitive adhesive.
Example 2:
the invention provides a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive which comprises, by weight, 50 parts of a composite emulsion, 15 parts of an acrylate copolymer, 10 parts of lithium silicate, 5 parts of sodium methylsilicate, 2 parts of silica micropowder, 20 parts of a blue light absorbent, 15 parts of an ultraviolet shielding agent, 6 parts of an auxiliary agent and the balance of water.
Further, the composite emulsion is a cross-linked copolymer of acrylamide, ethylhexyl (meth) acrylate, dodecachloroheptyl methacrylate and gamma-methacryloxypropyltriethoxysilane, and the particle size of the composite emulsion is 55 nm.
Further, the blue light absorber is a composition of a black essence and a yellow essence.
Further, the ultraviolet screening agent is a composition of nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P.
Further, the auxiliary agents comprise a dispersing agent, a defoaming agent, a leveling agent and a film-forming auxiliary agent in a mass ratio of 1:1:1:1, wherein the dispersing agent is a sodium polycarboxylate dispersing agent, the defoaming agent is polyether silicone oil, the leveling agent is a chlorine leveling agent, and the film-forming auxiliary agent is an alcohol ester film-forming auxiliary agent, specifically alcohol ester-12.
The invention also discloses a preparation method of the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive, which comprises the following specific steps:
step one, preparing a composite emulsion: sequentially adding an emulsifier, divinylbenzene, acrylamide and deionized water into a 250ml flask provided with a stirrer, a thermometer and a reflux condenser tube, pre-emulsifying for 45min in a water bath at 80 ℃, adding a 10% potassium persulfate aqueous solution, adjusting the pH to 9.5 by using a saturated sodium carbonate solution, and reacting for 40min, wherein the ratio of the emulsifier to the divinylbenzene to the acrylamide to the ionic water to the potassium persulfate aqueous solution is 1:1:20:850: 1;
slowly adding acrylamide and ethylhexyl (meth) acrylate dropwise through a constant-pressure dropping funnel, and adding 10% potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane and dodecachloroheptyl methacrylate dropwise while keeping the pH of the system stable at 9.5, wherein the ratio of the acrylamide, the ethylhexyl (meth) acrylate, the potassium persulfate aqueous solution, the gamma-methacryloxypropyltriethoxysilane and the dodecachloroheptyl methacrylate is 4:5:1:1: 2;
heating to 85 ℃, reacting for 5 hours, naturally cooling to room temperature after the reaction is finished, and finishing the reaction to obtain the chlorine-silicon-containing styrene-acrylic composite emulsion;
step two, uniformly mixing the ultraviolet screening agent prepared by mixing the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P according to the proportion of 1:1:1 with the blue light absorbent, the acrylate copolymer, the lithium silicate, the sodium methyl silicate and the silicon micropowder, and then adding the dispersing agent, the defoaming agent and the flatting agent for uniformly mixing;
and step three, adding the composite emulsion and the film forming auxiliary agent in the step two, and then uniformly stirring to obtain the blue-light-proof radiation-proof optical pressure-sensitive adhesive.
Example 3:
the invention provides a high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive which comprises the following raw materials (by weight) 65 parts of composite emulsion, 20 parts of acrylate copolymer, 12 parts of lithium silicate, 8 parts of sodium methyl silicate, 3 parts of silicon micropowder, 30 parts of blue light absorbent, 20 parts of ultraviolet screening agent, 8 parts of auxiliary agent and the balance of water.
Further, the composite emulsion is a cross-linked copolymer of acrylamide, ethylhexyl (meth) acrylate, dodecachloroheptyl methacrylate and gamma-methacryloxypropyltriethoxysilane, and the particle size of the composite emulsion is 80 nm.
Further, the blue light absorber is a composition of black essence and green phosphor.
Further, the ultraviolet screening agent is a composition of nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P.
Further, the auxiliary agents comprise a dispersing agent, a defoaming agent, a leveling agent and a film-forming auxiliary agent in a mass ratio of 1:1:1:1, wherein the dispersing agent is a sodium polycarboxylate dispersing agent, the defoaming agent is polyether silicone oil, the leveling agent is a chlorine leveling agent, and the film-forming auxiliary agent is an alcohol ester film-forming auxiliary agent, specifically alcohol ester-12.
The invention also discloses a preparation method of the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive, which comprises the following specific steps:
step one, preparing a composite emulsion: sequentially adding an emulsifier, divinylbenzene, acrylamide and deionized water into a 250ml flask provided with a stirrer, a thermometer and a reflux condenser tube, pre-emulsifying for 60min in a water bath at 90 ℃, adding a 10% potassium persulfate aqueous solution, adjusting the pH to 10 by using a saturated sodium carbonate solution, and reacting for 50min, wherein the ratio of the emulsifier to the divinylbenzene to the acrylamide to the ionic water to the potassium persulfate aqueous solution is 1:1:20:850: 1;
slowly adding acrylamide and ethylhexyl (meth) acrylate dropwise through a constant-pressure dropping funnel, adding a 10% potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane and dodecachloroheptyl methacrylate dropwise while keeping the pH of the system stable at 10, wherein the ratio of the acrylamide, the ethylhexyl (meth) acrylate, the potassium persulfate aqueous solution, the gamma-methacryloxypropyltriethoxysilane and the dodecachloroheptyl methacrylate is 4:5:1:1: 2;
heating to 90 ℃, reacting for 6h, naturally cooling to room temperature after the reaction is finished, and finishing the reaction to obtain the chlorine-silicon-containing styrene-acrylic composite emulsion;
step two, uniformly mixing the ultraviolet screening agent prepared by mixing the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P according to the proportion of 1:1:1 with the blue light absorbent, the acrylate copolymer, the lithium silicate, the sodium methyl silicate and the silicon micropowder, and then adding the dispersing agent, the defoaming agent and the flatting agent for uniformly mixing;
and step three, adding the composite emulsion and the film forming auxiliary agent in the step two, and then uniformly stirring to obtain the blue-light-proof radiation-proof optical pressure-sensitive adhesive.
Example 4:
the light transmittance, aging resistance, ultraviolet resistance and adhesion performance of 90 parts of the optical pressure-sensitive adhesive prepared in the above examples 1 to 3 were measured, and the following data were obtained, wherein each 30 parts of the optical pressure-sensitive adhesive was divided into one group:
as can be seen from the above table, in example 2, the raw materials are mixed in a moderate proportion, an organic-inorganic blending system is formed by adding the blue light absorber and the ultraviolet screening agent, and the chloro-silicone-containing styrene-acrylic composite emulsion is used, so that the prepared optical pressure-sensitive adhesive has high light transmittance, strong ultraviolet reflection capability, good stability, excellent aging resistance and excellent bonding strength.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a blue light radiation protection optics pressure sensitive adhesive is prevented to high luminousness which characterized in that: the raw materials (by weight portion) include 35-65 portions of composite emulsion, 10-20 portions of acrylate copolymer, 8-12 portions of lithium silicate, 2-8 portions of sodium methylsilicate, 1-3 portions of silicon micropowder, 10-30 portions of blue light absorbent, 10-20 portions of ultraviolet screening agent, 4-8 portions of adjuvant and the rest is water.
2. The high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 1, characterized in that: the composite emulsion is a cross-linked copolymer of acrylamide, ethylhexyl (meth) acrylate, dodecachloroheptyl methacrylate and gamma-methacryloxypropyltriethoxysilane, and the particle size of the composite emulsion is 30-80 nm.
3. The high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 1, characterized in that: the blue light absorber is a composition of black essence and yellow fluorescent powder, or a composition of black essence and yellow essence, or a composition of black essence and green fluorescent powder.
4. The high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 1, characterized in that: the ultraviolet screening agent is a composition of nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P.
5. The high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 1, characterized in that: the auxiliary agent comprises a dispersing agent, a defoaming agent, a flatting agent and a film-forming auxiliary agent in a mass ratio of 1:1:1:1, wherein the dispersing agent is a sodium polycarboxylate dispersing agent, the defoaming agent is polyether silicone oil, the flatting agent is a chlorine flatting agent, and the film-forming auxiliary agent is an alcohol ester film-forming auxiliary agent.
6. The high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to any one of claims 1 to 5, characterized in that: the preparation method of the high-light-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive comprises the following specific steps:
step one, preparing a composite emulsion: sequentially adding an emulsifier, divinylbenzene, acrylamide and deionized water into a 250ml flask provided with a stirrer, a thermometer and a reflux condenser, pre-emulsifying in a water bath at 75-90 ℃ for 30-60min, adding a 10% potassium persulfate aqueous solution, adjusting the pH to 9-10 by using a saturated sodium carbonate solution, and reacting for 30-50 min;
slowly dripping acrylamide and ethylhexyl (meth) acrylate by using a constant-pressure dropping funnel, and dripping 10% potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane and dodecyl chloroheptyl methacrylate, wherein the PH of the system is kept to be 9-10;
heating to 80-90 ℃, reacting for 4-6h, naturally cooling to room temperature after the reaction is finished, and finishing the reaction to obtain the chlorine-containing silicon styrene-acrylic composite emulsion;
step two, uniformly mixing an ultraviolet screening agent prepared by mixing nano silicon dioxide, nano titanium dioxide and an ultraviolet absorbent UV-P according to a proportion with a blue light absorbent, an acrylate copolymer, lithium silicate, sodium methyl silicate and silicon micropowder, and then adding a dispersing agent, a defoaming agent and a leveling agent for uniformly mixing;
and step three, adding the composite emulsion and the film forming auxiliary agent in the step two, and then uniformly stirring to obtain the blue-light-proof radiation-proof optical pressure-sensitive adhesive.
7. The preparation method of the high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 6, characterized in that: in step one, the ratio of the emulsifier, divinylbenzene, acrylamide, ionic water and aqueous potassium persulfate solution is 1:1:20:850: 1.
8. The preparation method of the high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 6, characterized in that: in step one, the ratio of acrylamide, ethylhexyl (meth) acrylate, potassium persulfate aqueous solution, gamma-methacryloxypropyltriethoxysilane, and dodecachloroheptyl methacrylate is 4:5:1:1: 2.
9. The preparation method of the high-transmittance blue-light-proof radiation-proof optical pressure-sensitive adhesive according to claim 6, characterized in that: in the second step, the mixing ratio of the nano silicon dioxide, the nano titanium dioxide and the ultraviolet absorbent UV-P is 1:1: 1.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621330A (en) * | 2021-07-22 | 2021-11-09 | 张一帆 | High-light-transmittance pressure-sensitive adhesive |
| CN114214005A (en) * | 2021-12-27 | 2022-03-22 | 安徽富印新材料有限公司 | High-transparency blue-light-proof pressure-sensitive adhesive and preparation method thereof |
| CN115626779A (en) * | 2022-09-27 | 2023-01-20 | 深圳市鸿合创新信息技术有限责任公司 | Blue light-proof solution, wear-resistant light-purifying blue light-proof glass, and preparation method and application thereof |
| CN117384411A (en) * | 2023-10-11 | 2024-01-12 | 浙江宝汇薄膜股份有限公司 | Composite film based on optical material and preparation method thereof |
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| CN113621330A (en) * | 2021-07-22 | 2021-11-09 | 张一帆 | High-light-transmittance pressure-sensitive adhesive |
| CN114214005A (en) * | 2021-12-27 | 2022-03-22 | 安徽富印新材料有限公司 | High-transparency blue-light-proof pressure-sensitive adhesive and preparation method thereof |
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| CN117384411A (en) * | 2023-10-11 | 2024-01-12 | 浙江宝汇薄膜股份有限公司 | Composite film based on optical material and preparation method thereof |
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