CN111471373B - Modified epoxy fluorescent paint - Google Patents
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- CN111471373B CN111471373B CN202010404091.0A CN202010404091A CN111471373B CN 111471373 B CN111471373 B CN 111471373B CN 202010404091 A CN202010404091 A CN 202010404091A CN 111471373 B CN111471373 B CN 111471373B
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1477—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1494—Polycondensates modified by chemical after-treatment followed by a further chemical treatment thereof
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
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Abstract
The invention discloses a modified epoxy fluorescent paint, which comprises the following raw materials in parts by mass: 15-25 parts of modified fluorescent epoxy emulsifier, 75-85 parts of epoxy resin, 0.05-0.5 part of defoaming agent, 0-5 parts of film-forming assistant, 0-2 parts of flatting agent, 0-6 parts of thickening agent and 0-100 parts of water; more conjugate structures are introduced into the existing fluorescent structure, so that an enhancement effect is generated on the original fluorescent monomer, the light intensity is higher, the luminescence lasts longer, and the fluorescence is greatly enhanced due to the electron pushing effect under the alkaline condition because the whole fluorescent monomer is neutral to alkalescent; and the fluorescent chromophoric group is embedded into the main polymer structure, is not easy to fall off and deteriorate, and has a lasting light-emitting effect and storage stability. In addition, the used materials are cheap and easily available, and the production cost can be greatly reduced compared with the use of polyurethane materials.
Description
Technical Field
The invention relates to the technical field of epoxy polymer materials, in particular to a modified epoxy fluorescent paint.
Background
The fluorescent paint has both paint and fluorescent characteristics, has become a new favorite in the paint field, and is widely applied to the fields of traffic signs, road marking, safety protection signs, automobile parts, decoration and the like in daily life and industrial production. At present, the development of fluorescent paint mainly focuses on two directions, one is physical doping of a high molecular functional material and an inorganic fluorescent material, and Chinese patent 201210422049.7 discloses an epoxy fluorescent paint and a preparation method thereof. According to the method, epoxy and fluorescent powder are physically doped, the types of epoxy emulsion and curing agent are not changed, the epoxy resin performance is influenced by adding the fluorescent powder, and the fluorescent performance is gradually weakened along with use; the other direction is that the high molecular material and the organic fluorescent material are subjected to chemical reaction, the new material has the performances of the high molecular material and the fluorescent material, and Chinese patent 201710283423.2 discloses a polyacrylate/polyurethane fluorescent paint and a preparation method thereof, wherein an acrylate monomer containing a fluorescent chromophore is synthesized, and is subjected to free radical polymerization with a fluorine-containing acrylate monomer and other vinyl monomers by taking 3-mercapto-1, 2-propylene glycol as a chain transfer agent to obtain fluorescent polyacrylate, and then the fluorescent polyacrylate is reacted with macromolecular diol, diisocyanate, micromolecular diol and a hydrophilic chain extender to obtain fluorescent polyacrylate/polyurethane emulsion; the polyacrylate/polyurethane fluorescent paint prepared after compounding has the advantages of good weather resistance, stable storage, long service life, lasting luminescence, but high cost. Chinese patent 201510357905.9 discloses a method for preparing fluorescent waterborne polyurethane/acrylate, which comprises the steps of sealing polyurethane prepolymer with NCO group as the terminal by adopting acrylate fluorescent micromolecules and a double-bond-containing end-capping reagent, and carrying out free radical copolymerization to obtain the fluorescent polyurethane acrylate, wherein the method has the advantages of low acrylic ester access amount, high reaction activity of acrylic ester monomer, easy self-polymerization of double bonds, easy occurrence of fine particles and floccule precipitation of emulsion, and influence on the storage stability of the emulsion to a certain extent.
Disclosure of Invention
In view of the above, the present invention aims to provide a modified epoxy fluorescent paint to overcome the problems of high cost, non-durable fluorescent property, poor storage stability, etc. in the prior art.
The invention relates to a modified epoxy fluorescent paint, which comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the raw materials of the epoxy emulsion comprise the following components in parts by mass: 15-25 parts of modified fluorescent epoxy emulsifier, 75-85 parts of epoxy resin, 0.05-0.5 part of defoaming agent, 0-5 parts of film-forming assistant, 0-2 parts of flatting agent, 0-6 parts of thickening agent and 0-100 parts of water;
further, the modified fluorescent epoxy emulsifier is prepared from 10-40 parts of PEG, 2-8 parts of modified fluorescent epoxy resin and 0.01-0.3 part of catalyst;
further, the modified fluorescent epoxy resin comprises 2-10 parts by mass of a chromophoric monomer containing a fluorescent chromophoric group, 1-20 parts by mass of epoxy resin and 0.01-0.5 part by mass of a catalyst;
further, the structural formula of the chromophoric monomer containing the fluorescent chromophoric group is shown in the specification
Wherein R is1,R2Are one of hydrogen, halogen, long chain containing double bond or heterocyclic group;
or is that
Wherein R is one of hydrogen, halogen, long-chain group containing double bond or heterocyclic group;
further, the preparation method of the modified fluorescent epoxy emulsifier comprises the following steps: mixing PEG and modified fluorescent epoxy resin according to a set mass part, heating to 80-100 ℃, slowly adding boron trifluoride after a reaction system solid is melted, and continuously reacting until a product can be dissolved in water, wherein the catalyst is one of potassium persulfate and ammonium persulfate;
further, the preparation method of the modified fluorescent epoxy resin comprises the following steps: mixing a color development monomer containing a fluorescent color development group, epoxy resin and a catalyst according to a set mass part, heating to 40-90 ℃, and reacting for 2-8 h;
further, the mass part ratio of the epoxy emulsion to the epoxy curing agent is 4: 1-1: 1;
further, the mass part ratio of the epoxy emulsion to the epoxy curing agent is 2: 1;
further, the epoxy resin is one or a mixture of more than two of epoxy resin ST3000, epoxy resin CYDF170, epoxy resin E51, epoxy resin E44 and epoxy resin D230;
further, the defoaming agent is one or a mixture of more than two of an organic silicon defoaming agent and a mineral oil defoaming agent; the film-forming assistant is one or a mixture of more than two of polyethylene glycol, ethylene glycol ethyl ether, propylene glycol phenyl ether, alcohol ester twelve and ethylene glycol butyl ether; the leveling agent is one or a mixture of more than two of BYK331, BYK346, BYK348, BYK354, TEGO440, TEGO450 and TEGO 482; the thickening agent is one or a mixture of more than two of methylcellulose, hydroxypropyl methylcellulose, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyoxyethylene, polyacrylic acid or sodium polyacrylate.
The invention has the beneficial effects that: the modified epoxy fluorescent paint introduces more conjugated structures in the existing fluorescent structure, generates an enhancement effect on the original fluorescent monomer, enables the light intensity to be higher and the luminescence to be continuous and longer, and greatly enhances the fluorescence due to the electron pushing effect under the alkaline condition because the whole body is neutral to alkalescent; and the fluorescent chromophoric group is embedded into the main polymer structure, is not easy to fall off and deteriorate, has a lasting light-emitting effect and storage stability, and has strong light storage capacity, light absorption for 10-20 minutes and light emission for more than 12 hours. In addition, the used materials are cheap and easily available, and the production cost can be greatly reduced compared with the use of polyurethane materials.
Detailed Description
Example one
The modified epoxy fluorescent paint of the embodiment comprises the raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent (product of Chongqing Pamonte materials science and technology, Inc.) is 4: 1; before use, the epoxy emulsion and epoxy hardener produced by Chongqing Pemonte were mixed according to a ratio of 4: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 15 parts of modified fluorescent epoxy emulsifier, 75 parts of epoxy resin (ST3000), 0.05 part of defoaming agent, twelve 3 parts of alcohol ester, 1 part of flatting agent, 3 parts of polyacrylic acid and 5 parts of water; the modified fluorescent epoxy emulsifier is prepared from 10 parts of PEG, 2 parts of modified fluorescent epoxy resin and 0.01 part of potassium persulfate, and the preparation method comprises the following steps: mixing PEG and modified fluorescent epoxy resin according to a set mass part, heating to 80 ℃, slowly adding potassium persulfate after the solid of a reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises 2 parts of chloropyrazoline formyl chloride, 1 part of epoxy resin (ST3000) and 0.01 part of pyridine in parts by mass; the preparation method comprises the following steps: mixing chloropyrazoline formyl chloride, epoxy resin and pyridine according to the set mass parts, then adding the mixture into a reaction kettle, heating the mixture to 40 ℃, and reacting for 2 hours.
In this embodiment, the defoamer is an organosilicon defoamer; the leveling agent is a mixture of BYK331 and BYK 024.
Example two
The modified epoxy fluorescent paint of the embodiment comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent is 2: 1; before use, the epoxy emulsion and epoxy hardener produced by Chongqing pemont were mixed according to a ratio of 2: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 25 parts of modified fluorescent epoxy emulsifier, 85 parts of epoxy resin (CYDF170), 0.5 part of mineral oil, 1 part of polyethylene glycol, 3542 parts of BYK, 1 part of polyvinyl alcohol and 100 parts of water; the modified fluorescent epoxy emulsifier is prepared from 40 parts of PEG, 8 parts of modified fluorescent epoxy resin and 0.3 part of ammonium persulfate, and the preparation method comprises the following steps: mixing PEG and the modified fluorescent epoxy resin according to the set mass part, heating to 100 ℃, slowly adding ammonium persulfate after the solid of the reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises 10 parts by mass of 5-hydroxy-6-chloro-1, 8-naphthalimide formyl chloride, 20 parts by mass of epoxy resin (CYDF170) and 0.5 part by mass of pyridine; the preparation method comprises the following steps: adding 5-hydroxy-6-chloro-1, 8-naphthalimide formyl chloride, epoxy resin and pyridine into a reaction kettle according to the set mass parts, heating to 90 ℃, and reacting for 8 hours.
EXAMPLE III
The modified epoxy fluorescent paint of the embodiment comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent is 3: 1; before use, the epoxy emulsion and the epoxy curing agent are mixed according to the proportion of 3: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 15 parts of modified fluorescent epoxy emulsifier, 85 parts of epoxy resin (E51), 0.05 part of defoaming agent, twelve 5 parts of alcohol ester, 3541 parts of BYK and 6 parts of polyacrylic acid; the modified fluorescent epoxy emulsifier is prepared from 10 parts of PEG, 8 parts of modified fluorescent epoxy resin and 0.01 part of potassium persulfate, and the preparation method comprises the following steps: mixing PEG and modified fluorescent epoxy resin according to a set mass part, heating to 80 ℃, slowly adding potassium persulfate after the solid of a reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises 2 parts of chloropyrazoline formyl chloride, 20 parts of epoxy resin (E51) and 0.01 part of pyridine in parts by mass; the preparation method comprises the following steps: adding the chloropyrazoline formyl chloride, the epoxy resin and the pyridine into a reaction kettle according to the set mass parts, heating to 90 ℃, and reacting for 2 hours.
The defoaming agent is an organic silicon defoaming agent.
Example four
The modified epoxy fluorescent paint of the embodiment comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent is 1: 1; before use, the epoxy emulsion and the epoxy curing agent are mixed according to the proportion of 1: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 25 parts of modified fluorescent epoxy emulsifier, 80 parts of epoxy resin and 0.05 part of defoaming agent; the modified fluorescent epoxy emulsifier is prepared from 10 parts of PEG, 5 parts of modified fluorescent epoxy resin and 0.3 part of ammonium persulfate, and the preparation method comprises the following steps: mixing PEG and the modified fluorescent epoxy resin according to the set mass part, heating to 85 ℃, slowly adding ammonium persulfate after the solid of the reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises 9 parts by mass of chromophoric monomer containing fluorescent chromophoric groups, 1-20 parts by mass of epoxy resin and 0.01 part by mass of catalyst; the preparation method comprises the following steps: mixing the chromophoric monomer containing the fluorescent chromophoric group, the epoxy resin and the catalyst according to the set mass parts, heating to 50 ℃, and reacting for 3 hours.
In this embodiment, the epoxy resin is epoxy resin ST3000, and in this embodiment, the epoxy resin ST3000 is replaced with one of epoxy resin CYDF170, epoxy resin E51, epoxy resin E44, and epoxy resin D230, or replaced with a mixture of epoxy resin ST3000, epoxy resin CYDF170, epoxy resin E51, epoxy resin E44, and epoxy resin D230, so as to obtain a qualified product;
in this embodiment, the defoamer is a silicone defoamer.
In this example, the structural formula of the chromophoric monomer containing a fluorescent chromophoric group is
Wherein R is1,R2Are all hydrogen.
EXAMPLE five
The modified epoxy fluorescent paint of the embodiment comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent is 2: 1; before use, the epoxy emulsion and the epoxy curing agent are mixed according to the proportion of 2: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 25 parts of modified fluorescent epoxy emulsifier, 75 parts of epoxy resin, 0.3 part of defoaming agent, 5 parts of film-forming assistant and 6 parts of thickening agent; the modified fluorescent epoxy emulsifier is prepared from 40 parts of PEG, 2 parts of modified fluorescent epoxy resin and 0.2 part of potassium persulfate, and the preparation method comprises the following steps: mixing PEG and modified fluorescent epoxy resin according to a set mass part, heating to 90 ℃, slowly adding potassium persulfate after the solid of a reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises 3 parts of chromophoric monomer containing fluorescent chromophoric groups, 10 parts of epoxy resin and 0.05 part of catalyst in parts by mass; the preparation method comprises the following steps: mixing the chromophoric monomer containing the fluorescent chromophoric group, the epoxy resin and the catalyst according to the set mass parts, heating to 60 ℃, and reacting for 6 hours.
In this embodiment, the epoxy resin is epoxy resin D230, and in this embodiment, the epoxy resin D230 is replaced with one of epoxy resin CYDF170, epoxy resin E51, and epoxy resin E44, or replaced with epoxy resin D230 and epoxy resin ST3000, epoxy resin CYDF170, epoxy resin E51, epoxy resin E44, and a mixture thereof, so as to obtain a qualified product;
in this embodiment, the defoamer is a silicone defoamer.
In this embodiment, the coalescing agent is ethylene glycol ethyl ether, and in this embodiment, the ethylene glycol ethyl ether is replaced with one of polyethylene glycol, propylene glycol phenyl ether, alcohol ester twelve and ethylene glycol butyl ether, or replaced with a mixture of ethylene glycol ethyl ether, polyethylene glycol, propylene glycol phenyl ether, alcohol ester twelve and ethylene glycol butyl ether, so as to obtain a qualified product.
In this example, the structural formula of the chromophoric monomer containing a fluorescent chromophoric group is
In this embodiment, the thickener is polyacrylamide, and the polyacrylamide is replaced with one of hydroxypropyl methylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, polyacrylic acid, and sodium polyacrylate, or replaced with a mixture of polyacrylamide and hydroxypropyl methylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, polyacrylic acid, or sodium polyacrylate, to obtain a qualified product.
EXAMPLE six
The modified epoxy fluorescent paint of the embodiment comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the mass part ratio of the epoxy emulsion to the epoxy curing agent is 3: 1; before use, the epoxy emulsion and the epoxy curing agent are mixed according to the proportion of 3: 1 to obtain the epoxy modified organic fluorescent paint.
The epoxy emulsion comprises the following raw materials in parts by mass: 20 parts of modified fluorescent epoxy emulsifier, 80 parts of epoxy resin, 0.1 part of defoaming agent, 4 parts of film-forming assistant, 1 part of flatting agent, 2 parts of thickening agent and 50 parts of water; the modified fluorescent epoxy emulsifier is prepared from 30 parts of PEG, 6 parts of modified fluorescent epoxy resin and 0.1 part of ammonium persulfate, and the preparation method comprises the following steps: mixing PEG and the modified fluorescent epoxy resin according to the set mass part, heating to 90 ℃, slowly adding ammonium persulfate after the solid of the reaction system is melted, and continuously reacting until the product can be dissolved in water;
the modified fluorescent epoxy resin comprises, by mass, 5 parts of a chromophoric monomer containing a fluorescent chromophoric group, 10 parts of epoxy resin and 0.2 part of a catalyst; the preparation method comprises the following steps: mixing the chromophoric monomer containing the fluorescent chromophoric group, the epoxy resin and the catalyst according to the set mass parts, heating to 60 ℃, and reacting for 5 hours.
In this embodiment, the epoxy resin is epoxy resin E44, in this embodiment, epoxy resin E44 is replaced with one of epoxy resin CYDF170, epoxy resin E51, epoxy resin ST3000, and epoxy resin D230, or replaced with a mixture of epoxy resin E44, epoxy resin CYDF170, epoxy resin E51, epoxy resin ST3000, and epoxy resin D230, so as to obtain a qualified product;
in this embodiment, the defoamer is a silicone defoamer.
In this embodiment, the film-forming additive is ethylene glycol butyl ether, and in this embodiment, the polyethylene glycol is replaced with one of ethylene glycol ethyl ether, propylene glycol phenyl ether, alcohol ester twelve and polyethylene glycol, or replaced with a mixture of ethylene glycol butyl ether, ethylene glycol ethyl ether, propylene glycol phenyl ether, alcohol ester twelve and polyethylene glycol, so as to obtain a qualified product.
The structural formula of the chromophoric monomer containing the fluorescent chromophoric group is shown in the specification
In this embodiment, the leveling agent is BYK346, and in this embodiment, the leveling agent is one of BYK331, BYK348, BYK354, TEGO440, TEGO450, and TEGO482 instead of BYK346, or a mixture of BYK346 and BYK331, BYK348, BYK354, TEGO440, TEGO450, and TEGO482 instead of BYK346, and all the products are qualified.
In this embodiment, the thickening agent is polyvinylpyrrolidone, and the polyvinylpyrrolidone is replaced with one of hydroxypropyl methylcellulose, polyacrylamide, polyvinyl alcohol, methylcellulose, polyethylene oxide, polyacrylic acid, and sodium polyacrylate, or replaced with a mixture of polyvinylpyrrolidone, polyacrylamide, polyvinyl alcohol, methylcellulose, hydroxypropyl methylcellulose, polyethylene oxide, polyacrylic acid, and sodium polyacrylate, so as to obtain a qualified product.
In the above embodiment, the PEG is selected from one of PEG800, PEG2000, PEG4000, and PEG 6000.
In the above examples, the structural formula of the epoxy E51 is:
the structural formula of the epoxy ST3000 is as follows:
the structural formula of the epoxy CYDF170 is as follows:
the structural formula of the epoxy D230 is as follows:
in the above examples, BYK is a product of Bick chemistry, Germany, and TEGO is a product of Digao, Germany.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A modified epoxy fluorescent paint is characterized in that: the coating comprises the following raw materials of epoxy emulsion and epoxy curing agent, wherein the raw materials of the epoxy emulsion comprise the following components in parts by mass: 15-25 parts of modified fluorescent epoxy emulsifier, 75-85 parts of epoxy resin, 0.05-0.5 part of defoaming agent, 0-5 parts of film-forming assistant, 0-2 parts of flatting agent, 0-6 parts of thickening agent and 0-100 parts of water; the modified fluorescent epoxy emulsifier is prepared from 10-40 parts of PEG, 2-8 parts of modified fluorescent epoxy resin and 0.01-0.3 part of catalyst;
the modified fluorescent epoxy resin comprises 2-10 parts by mass of chromophoric monomer containing fluorescent chromophoric group, 1-20 parts by mass of epoxy resin and 0.01-0.5 part by mass of catalyst;
the structural formula of the chromophoric monomer containing the fluorescent chromophoric group is shown in the specification
Wherein R is1,R2Are one of hydrogen, halogen, long chain containing double bond or heterocyclic group;
or is that
Wherein R is one of hydrogen, halogen, long-chain group containing double bond or heterocyclic group.
2. The modified epoxy fluorescent paint of claim 1, characterized in that: the preparation method of the modified fluorescent epoxy emulsifier comprises the following steps: mixing PEG and the modified fluorescent epoxy resin according to a set mass part, heating to 80-100 ℃, slowly adding a catalyst after the solid of a reaction system is melted, and continuously reacting until a product can be dissolved in water, wherein the catalyst is one of potassium persulfate and ammonium persulfate.
3. The modified epoxy fluorescent paint of claim 2, characterized in that: the preparation method of the modified fluorescent epoxy resin comprises the following steps: mixing the chromophoric monomer containing the fluorescent chromophoric group, the epoxy resin and the catalyst according to the set mass portion, heating to 40-90 ℃, and reacting for 2-8 h.
4. The modified epoxy fluorescent paint of claim 1, characterized in that: the mass part ratio of the epoxy emulsion to the epoxy curing agent is 4: 1-1: 1.
5. the modified epoxy fluorescent paint according to claim 4, characterized in that: the mass part ratio of the epoxy emulsion to the epoxy curing agent is 2: 1.
6. the modified epoxy fluorescent paint of claim 1, characterized in that: the epoxy resin is one or a mixture of more than two of epoxy resin ST3000, epoxy resin CYDF170, epoxy resin E51, epoxy resin E44 and epoxy resin D230.
7. The modified epoxy fluorescent paint of claim 1, characterized in that: the defoaming agent is one or a mixture of more than two of an organic silicon defoaming agent and a mineral oil defoaming agent; the film-forming assistant is one or a mixture of more than two of polyethylene glycol, ethylene glycol ethyl ether, propylene glycol phenyl ether, alcohol ester twelve and ethylene glycol butyl ether; the leveling agent is one or a mixture of more than two of BYK331, BYK346, BYK348, BYK354, TEGO440, TEGO450 and TEGO 482; the thickening agent is one or a mixture of more than two of methylcellulose, hydroxypropyl methylcellulose, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyoxyethylene, polyacrylic acid or sodium polyacrylate.
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| CN106008920A (en) * | 2016-06-26 | 2016-10-12 | 苏州吉人高新材料股份有限公司 | Modified epoxy resin with fluorescent characteristic and preparation method thereof |
| CN107189543A (en) * | 2017-07-22 | 2017-09-22 | 厦门市诚安毅科技有限公司 | A kind of preparation of Nanometer blue fluorescent ink |
| CN109181478A (en) * | 2018-08-24 | 2019-01-11 | 河北晨阳工贸集团有限公司 | A kind of aqueous fluorescent epoxide terrace paint and preparation method thereof |
| CN109897434A (en) * | 2017-12-07 | 2019-06-18 | 航天特种材料及工艺技术研究所 | A kind of high temperature resistant fluorescent paint and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008920A (en) * | 2016-06-26 | 2016-10-12 | 苏州吉人高新材料股份有限公司 | Modified epoxy resin with fluorescent characteristic and preparation method thereof |
| CN107189543A (en) * | 2017-07-22 | 2017-09-22 | 厦门市诚安毅科技有限公司 | A kind of preparation of Nanometer blue fluorescent ink |
| CN109897434A (en) * | 2017-12-07 | 2019-06-18 | 航天特种材料及工艺技术研究所 | A kind of high temperature resistant fluorescent paint and preparation method thereof |
| CN109181478A (en) * | 2018-08-24 | 2019-01-11 | 河北晨阳工贸集团有限公司 | A kind of aqueous fluorescent epoxide terrace paint and preparation method thereof |
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