CN110804334A - Quick-drying putty for automobile beauty treatment, preparation method and application - Google Patents
Quick-drying putty for automobile beauty treatment, preparation method and application Download PDFInfo
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- CN110804334A CN110804334A CN201911198224.7A CN201911198224A CN110804334A CN 110804334 A CN110804334 A CN 110804334A CN 201911198224 A CN201911198224 A CN 201911198224A CN 110804334 A CN110804334 A CN 110804334A
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- putty
- automobile
- acrylate
- photoinitiator
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Classifications
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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
- C09D5/34—Filling pastes
-
- 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
- C09D163/10—Epoxy resins modified by unsaturated compounds
Abstract
The invention discloses a quick-drying putty for automobile cosmetology, which relates to the field of putty and is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate. The quick-drying putty for the automobile cosmetology is prepared by the steps of synthesizing an acrylate prepolymer with a side chain containing C ═ C and preparing a UV curing adhesive. The invention has the advantages that: because the epoxy acrylic resin is adopted to prepare the acrylate prepolymer and the UV curing adhesive is finally prepared by matching with the photoinitiator, the photo-initiated polymerization reaction can be realized under the irradiation of a UV lamp, and the rapid curing is realized, so that the putty curing time can be effectively shortened, and the automobile beautifying efficiency is improved.
Description
Technical Field
The invention relates to putty, in particular to quick-drying putty for automobile beauty.
Background
The putty is used as a common building material, is mainly used for decorating and paving outer walls and inner walls, and can also be used as a middle spreading layer of a terrace. The main component of the traditional putty is an inorganic substance mainly comprising gypsum, so that the problems of insufficient adhesive force, short drying time, easy cracking and falling off after long-time work and the like easily occur in the smearing process, and the later-period maintenance cost is low; the putty has the defects of great personnel accidents and great economic loss, and the slow drying performance of the putty as a decorative building material limits the application range of the putty.
In the automobile beauty industry, when repairing deeper automobile paint scars, the primer is usually required to be scraped off and reworked, and when the primer is sprayed, putty is required to be sprayed, and the primer and the finish paint can be sprayed after the putty is completely cured. Putty in the prior art usually needs natural light irradiation for several days for curing, and is easy to volatilize more organic gas in the curing process, so that the VOC concentration is higher, and the working environment is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of how to accelerate the curing speed of the automobile beauty putty and reduce volatilization.
In order to solve the technical problems, the technical scheme of the invention is as follows: a quick-drying putty for automobile cosmetology is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
Preferably, the feed is prepared from the following raw materials in parts by weight:
preferably, the feed is prepared from the following raw materials in parts by weight:
preferably, the free radical photoinitiator is one or more of 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide, ethyl 2,4, 6-trimethylbenzoylphosphonate, 2-methyl-1- [ 4-methylthiophenyl ] -2-morpholinyl-1-propanone, 2-isopropylthioxanthone (2, 4 isomer mixture), ethyl 4-dimethylamino-benzoate, 1-hydroxy-cyclohexyl-phenyl-methanone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, benzoin dimethyl ether, methyl o-benzoylbenzoate, 4-chlorobenzophenone and 4-phenylbenzophenone.
Preferably, the polymerization inhibitor is one or more of hydroquinone, p-benzoquinone, phenothiazine, β -phenyl naphthylamine, p-tert-butyl catechol, methylene blue, cuprous chloride, ferric trichloride, 1-diphenyl-2-picrylhydrazine and 2,2,6, 6-tetramethyl piperidine nitroxide radical.
The invention also aims to provide a preparation method of the quick-drying putty for automobile cosmetology, which is characterized in that the quick-drying putty for automobile cosmetology is obtained through the steps of synthesizing an acrylate prepolymer with a side chain containing C-C and preparing a UV curing adhesive.
Further, the synthesis steps of the acrylate prepolymer with the side chain containing C ═ C are as follows: fully mixing the crosslinking monomer, the thermal initiator, the chain transfer agent, the ethyl acetate and the potassium iodide under the protection of nitrogen, taking 10-15% of mixed solution after full mixing, carrying out reflux and heating to 75-80 ℃ under the protection of nitrogen, reacting for 20-30 minutes, then dropwise adding the rest mixed solution, measuring the iodine value of the system every 0.5h, and adding the polymerization inhibitor to stop the reaction when the iodine value in the system tends to be constant.
Further, the UV curing adhesive comprises the following steps: the acrylic ester prepolymer, an acrylic monomer, trimethylolpropane triacrylate, glycidyl methacrylate, a photoinitiator, potassium iodide and a proper amount of solvent are fully mixed to obtain the acrylic ester prepolymer.
The invention also aims to provide application of the quick-drying putty for automobile cosmetology, which is characterized in that the putty prepared from epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate is coated on an automobile sheet metal by blade coating and is irradiated and cured by using a UV curing lamp.
By adopting the technical scheme, the epoxy acrylic resin is adopted to prepare the acrylate prepolymer, and the acrylate prepolymer is matched with the photoinitiator to finally prepare the UV curing adhesive, so that the photo-initiated polymerization reaction can be realized under the irradiation of a UV lamp, the rapid curing is realized, the putty curing time can be effectively shortened, and the automobile beautifying efficiency is improved.
Drawings
FIG. 1 is a flow chart of the preparation method in the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The specific embodiment discloses a quick-drying putty for automobile cosmetology, which is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
Preferably, in this embodiment, the raw materials include, by weight:
the free radical photoinitiator is 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide in this embodiment, but ethyl 2,4, 6-trimethylbenzoylphosphonate, 2-methyl-1- [ 4-methylthiophenyl ] -2-morpholinyl-1-propanone, 2-isopropylthioxanthone (2, 4 isomer mixture), 4-dimethylamino-benzoic acid ethyl ester, 1-hydroxy-cyclohexyl-phenyl-methanone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzoin dimethyl ether, methyl o-benzoylbenzoate, 4-chlorobenzophenone or 4-phenylbenzophenone and the like.
In another embodiment of the present invention, one or more of p-benzoquinone, phenothiazine, β -phenylnaphthylamine, p-tert-butylcatechol, methylene blue, cuprous chloride, ferric chloride, 1-diphenyl-2-picrylhydrazine, or 2,2,6, 6-tetramethylpiperidine nitroxide radical may also be used.
The quick-drying putty for the automobile cosmetology can be prepared by the following method, and the quick-drying putty for the automobile cosmetology is obtained through the synthesis of an acrylate prepolymer with a side chain containing C ═ C and the preparation step of a UV curing adhesive.
The synthesis steps of the acrylic ester prepolymer with the side chain containing C ═ C are as follows: fully mixing epoxy acrylic resin, a thermal initiator, a chain transfer agent, ethyl acetate and potassium iodide under the protection of nitrogen, wherein the epoxy acrylic resin and the ethyl acetate are used in proportion in the embodiment, 1.5g of the thermal initiator, 2g of the chain transfer agent and 0.5g of the potassium iodide are added to 100g of the epoxy acrylic resin, the thermal initiator adopts tert-amyl peroxyacetate, the chain transfer agent can adopt dodecyl mercaptan, after fully mixing, 10% of mixed solution is refluxed under the protection of nitrogen and heated to 75-80 ℃, after reacting for 20-30 minutes, the residual mixed solution is dripped, the iodine value of the system is measured every 0.5h, and when the iodine value in the system tends to be constant, a polymerization inhibitor is added to stop the reaction.
The UV curing adhesive comprises the following steps: the acrylate prepolymer, acrylic monomer, trimethylolpropane triacrylate, glycidyl methacrylate, photoinitiator, free radical photoinitiator, potassium iodide and a proper amount of solvent are fully mixed to obtain the acrylate prepolymer, and the components are weighed according to the proportion.
Because the epoxy acrylic resin is adopted to prepare the acrylate prepolymer and the UV curing adhesive is finally prepared by matching with the photoinitiator, the photo-initiated polymerization reaction can be realized under the irradiation of a UV lamp, and the rapid curing is realized, so that the putty curing time can be effectively shortened, and the automobile beautifying efficiency is improved.
Example 2
The specific embodiment discloses a quick-drying putty for automobile cosmetology, which is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
Preferably, in this embodiment, the raw materials include, by weight:
the quick-drying putty for the automobile cosmetology can be prepared by the following method, and the quick-drying putty for the automobile cosmetology is obtained through the synthesis of an acrylate prepolymer with a side chain containing C ═ C and the preparation step of a UV curing adhesive.
The synthesis steps of the acrylic ester prepolymer with the side chain containing C ═ C are as follows: fully mixing epoxy acrylic resin, a thermal initiator, a chain transfer agent, ethyl acetate and potassium iodide under the protection of nitrogen, wherein the epoxy acrylic resin and the ethyl acetate are used in proportion in the embodiment, 1.5g of the thermal initiator, 2g of the chain transfer agent and 0.5g of the potassium iodide are added to 100g of the epoxy acrylic resin, the thermal initiator adopts tert-amyl peroxyacetate, the chain transfer agent can adopt dodecyl mercaptan, after fully mixing, 10% of mixed solution is refluxed under the protection of nitrogen and heated to 75-80 ℃, after reacting for 20-30 minutes, the residual mixed solution is dripped, the iodine value of the system is measured every 0.5h, and when the iodine value in the system tends to be constant, a polymerization inhibitor is added to stop the reaction.
The UV curing adhesive comprises the following steps: the acrylate prepolymer, acrylic monomer, trimethylolpropane triacrylate, glycidyl methacrylate, photoinitiator, free radical photoinitiator, potassium iodide and a proper amount of solvent are fully mixed to obtain the acrylate prepolymer, and the components are weighed according to the proportion.
Example 3
The specific embodiment discloses a quick-drying putty for automobile cosmetology, which is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
Preferably, in this embodiment, the raw materials include, by weight:
the free radical photoinitiator is 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide in this embodiment, but ethyl 2,4, 6-trimethylbenzoylphosphonate, 2-methyl-1- [ 4-methylthiophenyl ] -2-morpholinyl-1-propanone, 2-isopropylthioxanthone (2, 4 isomer mixture), 4-dimethylamino-benzoic acid ethyl ester, 1-hydroxy-cyclohexyl-phenyl-methanone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzoin dimethyl ether, methyl o-benzoylbenzoate, 4-chlorobenzophenone, 4-phenylbenzophenone and the like.
In another embodiment of the present invention, one or more of p-benzoquinone, phenothiazine, β -phenylnaphthylamine, p-tert-butylcatechol, methylene blue, cuprous chloride, ferric chloride, 1-diphenyl-2-picrylhydrazine, and 2,2,6, 6-tetramethylpiperidine nitroxide radical may also be used.
The quick-drying putty for the automobile cosmetology can be prepared by the following method, and the quick-drying putty for the automobile cosmetology is obtained through the synthesis of an acrylate prepolymer with a side chain containing C ═ C and the preparation step of a UV curing adhesive.
The synthesis steps of the acrylic ester prepolymer with the side chain containing C ═ C are as follows: fully mixing epoxy acrylic resin, a thermal initiator, a chain transfer agent, ethyl acetate and potassium iodide under the protection of nitrogen, wherein the epoxy acrylic resin and the ethyl acetate are used in proportion in the embodiment, 1.5g of the thermal initiator, 2g of the chain transfer agent and 0.5g of the potassium iodide are added to 100g of the epoxy acrylic resin, the thermal initiator adopts tert-amyl peroxyacetate, the chain transfer agent can adopt dodecyl mercaptan, after fully mixing, 10% of mixed solution is refluxed under the protection of nitrogen and heated to 75-80 ℃, after reacting for 20-30 minutes, the residual mixed solution is dripped, the iodine value of the system is measured every 0.5h, and when the iodine value in the system tends to be constant, a polymerization inhibitor is added to stop the reaction.
The UV curing adhesive comprises the following steps: the acrylate prepolymer, acrylic monomer, trimethylolpropane triacrylate, glycidyl methacrylate, photoinitiator, free radical photoinitiator, potassium iodide and a proper amount of solvent are fully mixed to obtain the acrylate prepolymer, and the components are weighed according to the proportion.
Because the epoxy acrylic resin is adopted to prepare the acrylate prepolymer and the UV curing adhesive is finally prepared by matching with the photoinitiator, the photo-initiated polymerization reaction can be realized under the irradiation of a UV lamp, and the rapid curing is realized, so that the putty curing time can be effectively shortened, and the automobile beautifying efficiency is improved.
Example 4
The specific embodiment discloses a quick-drying putty for automobile cosmetology, which is prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
Preferably, in this embodiment, the raw materials include, by weight:
the free radical photoinitiator is 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide in this embodiment, but ethyl 2,4, 6-trimethylbenzoylphosphonate, 2-methyl-1- [ 4-methylthiophenyl ] -2-morpholinyl-1-propanone, 2-isopropylthioxanthone (2, 4 isomer mixture), 4-dimethylamino-benzoic acid ethyl ester, 1-hydroxy-cyclohexyl-phenyl-methanone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzoin dimethyl ether, methyl o-benzoylbenzoate, 4-chlorobenzophenone, 4-phenylbenzophenone and the like.
In another embodiment of the present invention, one or more of p-benzoquinone, phenothiazine, β -phenylnaphthylamine, p-tert-butylcatechol, methylene blue, cuprous chloride, ferric chloride, 1-diphenyl-2-picrylhydrazine, and 2,2,6, 6-tetramethylpiperidine nitroxide radical may also be used.
The quick-drying putty for the automobile cosmetology can be prepared by the following method, and the quick-drying putty for the automobile cosmetology is obtained through the synthesis of an acrylate prepolymer with a side chain containing C ═ C and the preparation step of a UV curing adhesive.
The synthesis steps of the acrylic ester prepolymer with the side chain containing C ═ C are as follows: fully mixing epoxy acrylic resin, a thermal initiator, a chain transfer agent, ethyl acetate and potassium iodide under the protection of nitrogen, wherein the epoxy acrylic resin and the ethyl acetate are used in proportion in the embodiment, 1.5g of the thermal initiator, 2g of the chain transfer agent and 0.5g of the potassium iodide are added to 100g of the epoxy acrylic resin, the thermal initiator adopts tert-amyl peroxyacetate, the chain transfer agent can adopt dodecyl mercaptan, after fully mixing, 10% of mixed solution is refluxed under the protection of nitrogen and heated to 75-80 ℃, after reacting for 20-30 minutes, the residual mixed solution is dripped, the iodine value of the system is measured every 0.5h, and when the iodine value in the system tends to be constant, a polymerization inhibitor is added to stop the reaction.
The UV curing adhesive comprises the following steps: the acrylate prepolymer, acrylic monomer, trimethylolpropane triacrylate, glycidyl methacrylate, photoinitiator, free radical photoinitiator, potassium iodide and a proper amount of solvent are fully mixed to obtain the acrylate prepolymer, and the components are weighed according to the proportion.
Because the epoxy acrylic resin is adopted to prepare the acrylate prepolymer and the UV curing adhesive is finally prepared by matching with the photoinitiator, the photo-initiated polymerization reaction can be realized under the irradiation of a UV lamp, and the rapid curing is realized, so that the putty curing time can be effectively shortened, and the automobile beautifying efficiency is improved.
The putty obtained by the preparation methods of the above embodiments 1, 2, 3 and 4 is coated on a metal plate by a uniform coating method, and tests of adhesion, pencil hardness, VOC, acid and alkali resistance and salt spray resistance are carried out after ultraviolet lamp irradiation and curing, in the invention, the adhesion measurement adopts a scribing format measurement method and is carried out according to GB9286-88, and an experimental tool scribing format tester is a multi-blade cutter with 6 cutting surfaces, is made of high alloy steel, and has a cutter gap of 1 mm. Coating the paint in each embodiment of the invention on a sample plate, after the paint is completely dried, pulling 3-4cm in parallel by using a grid-marking tester, cutting through the paint film when six cuts exist, and then cutting the paint film by using the same method and vertically cutting the paint film for six cuts; this forms a number of small squares. The cut surfaces of the test coatings were examined with a 4-fold magnifying glass and graded against the description and the drawings, either by brushing 5 times diagonally with a soft brush or taped to the grid and pulled quickly.
The rating scale is as follows, the cut edge is completely smooth, and no one lattice falls off to 0 grade; the coating has little separation of flakes at the intersection of the cuts, but the cross-hatched area is significantly affected by no more than 5% as a grade 1; the coating at the edge or intersection of the cut is obviously separated by more than 5 percent, but the affected part is not more than 15 percent and is positioned in grade 2; the coating is partially or completely fallen off by large fragments along the edge, and the grade is 3 between 15 percent and 35 percent; by analogy, the adhesion is best at the level 0, and the adhesion is generally determined to be not satisfactory in the anticorrosive coating when the adhesion exceeds the level 2.
The corrosion resistance measuring method comprises the following steps of coating the coating in each embodiment on a base material by adopting a laboratory simulation acceleration test method, carrying out a salt spray resistance test, a damp-heat test, a water resistance test and a sulfur dioxide resistance test, carrying out an adhesion test after the tests, and carrying out a grade of 0-5, wherein the grade standard is the same as the adhesion measuring standard.
In the pencil hardness test, pencils with different hardness slide on a coated substrate at an angle of 45 degrees, and the pencils slide out of scratches and are erased by an eraser, so that the pencil hardness standard can be met without leaving any traces after the pencils slide out of the scratches. And the VOC test adopts a mode of matching a gas chromatograph with an oven for heating and collecting to carry out determination.
The test results for examples 1-4 are given in the following table:
| serial number | Adhesion measurement | Salt spray resistance test | Damp-heat test | Hardness of pencil | VOC |
| Example 1 | 0 | 0 | 0 | 2H | 35g/L |
| Example 2 | 0 | 0 | 0 | 2H | 53g/L |
| Example 3 | 1 | 1 | 0 | 2H | 26g/L |
| Example 4 | 0 | 0 | 0 | 2H | 36g/L |
From the above test results, it can be seen that the putty prepared in examples 1-4 has good adhesion, salt spray resistance, humidity resistance and pencil hardness after being sprayed on the surface of a substrate and cured, and has very little VOC volatilization, convenient spraying and wide application range.
Example 5
The specific embodiment discloses an application method of the quick-drying putty for automobile cosmetology, which is characterized in that putty prepared from epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate is coated on an automobile sheet metal in a scraping manner, and is irradiated and cured by using a UV curing lamp.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. The quick-drying putty for automobile cosmetology is characterized by being prepared from the following raw materials: epoxy acrylic resin, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a free radical photoinitiator and trimethylolpropane diacrylate.
2. The putty for automobile cosmetology according to claim 1, which is prepared from the following raw materials by weight:
3. the putty for automobile cosmetology according to claim 2, which is characterized by being prepared from the following raw materials in parts by weight:
4. the putty for automobile beauty use according to any one of claims 1 to 3, the free radical photoinitiator is one or more of 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide, 2,4, 6-trimethylbenzoylphosphonic acid ethyl ester, 2-methyl-1- [ 4-methylthiophenyl ] -2-morpholinyl-1-acetone, 2-isopropyl thioxanthone (2, 4 isomer mixture), 4-dimethylamino-benzoic acid ethyl ester, 1-hydroxy-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzoin dimethyl ether, o-benzoylbenzoic acid methyl ester, 4-chlorobenzophenone and 4-phenylbenzophenone.
5. The putty as set forth in any one of claims 1 to 3, wherein the polymerization inhibitor is one or more of hydroquinone, p-benzoquinone, phenothiazine, β -phenylnaphthylamine, p-tert-butylcatechol, methylene blue, cuprous chloride, ferric chloride, 1-diphenyl-2-picrylhydrazine and 2,2,6, 6-tetramethylpiperidine nitroxide radical.
6. The method for preparing the size putty for automobile beauty use according to claim 1, wherein the size putty for automobile beauty use is obtained by the steps of synthesizing an acrylate prepolymer having a C ═ C side chain and preparing a UV curable adhesive.
7. The method for preparing the size putty for automobile cosmetology according to claim 6, wherein the step of synthesizing the acrylate prepolymer with the side chain containing C ═ C comprises the following steps: fully mixing the crosslinking monomer, the thermal initiator, the chain transfer agent and the ethyl acetate under the protection of nitrogen, taking 10-15% of mixed solution after full mixing, carrying out reflux and heating to 75-80 ℃ under the protection of nitrogen, reacting for 20-30 minutes, then dropwise adding the rest mixed solution, measuring the iodine value of the system every 0.5h, and adding a polymerization inhibitor to stop the reaction when the iodine value in the system tends to be constant.
8. The method for preparing the size putty for automobile beauty treatment according to claim 6, characterized in that the UV curing adhesive comprises the following steps: fully mixing the acrylate prepolymer, acrylic acid monomer, trimethylolpropane triacrylate, glycidyl methacrylate, free radical photoinitiator, potassium iodide and a proper amount of solvent to obtain the acrylic ester/methacrylic acid/glycidyl ester/acrylic ester.
9. The use of the putty according to claim 1 for cosmetic use in automobiles, wherein a putty prepared from epoxy acrylate, methyl methacrylate, glycidyl methacrylate, butyl acrylate, ethyl acrylate, a polymerization inhibitor, a photoinitiator, ethyl acetate, a radical photoinitiator, and trimethylolpropane diacrylate is knife-coated on an automobile sheet metal and cured by irradiation with a UV curing lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911198224.7A CN110804334A (en) | 2019-11-29 | 2019-11-29 | Quick-drying putty for automobile beauty treatment, preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911198224.7A CN110804334A (en) | 2019-11-29 | 2019-11-29 | Quick-drying putty for automobile beauty treatment, preparation method and application |
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| CN110804334A true CN110804334A (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112759960A (en) * | 2020-12-28 | 2021-05-07 | 鹤山波粒涂料科技有限公司 | Photocuring eye filling ash for automobile repairing and blade coating construction and preparation method thereof |
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| CN1526771A (en) * | 2003-03-03 | 2004-09-08 | 珠海东诚化工有限公司 | Visible light cured metal paint |
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Application publication date: 20200218 |
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