CN114316787A - UV transfer printing adhesive, preparation method and application thereof - Google Patents
UV transfer printing adhesive, preparation method and application thereof Download PDFInfo
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- CN114316787A CN114316787A CN202111626067.2A CN202111626067A CN114316787A CN 114316787 A CN114316787 A CN 114316787A CN 202111626067 A CN202111626067 A CN 202111626067A CN 114316787 A CN114316787 A CN 114316787A
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- 238000010023 transfer printing Methods 0.000 title claims abstract description 68
- 239000000853 adhesive Substances 0.000 title claims abstract description 43
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims description 22
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 68
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- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 42
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- 238000012546 transfer Methods 0.000 claims description 27
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- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 8
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 8
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- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 claims description 6
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- 238000003848 UV Light-Curing Methods 0.000 claims description 5
- 230000009477 glass transition Effects 0.000 claims description 5
- FSDNTQSJGHSJBG-UHFFFAOYSA-N piperidine-4-carbonitrile Chemical compound N#CC1CCNCC1 FSDNTQSJGHSJBG-UHFFFAOYSA-N 0.000 claims description 5
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 4
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 claims description 4
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 4
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 claims description 4
- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 claims description 4
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 4
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 3
- KTALPKYXQZGAEG-UHFFFAOYSA-N 2-propan-2-ylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C(C)C)=CC=C3SC2=C1 KTALPKYXQZGAEG-UHFFFAOYSA-N 0.000 claims description 3
- RDFQSFOGKVZWKF-UHFFFAOYSA-N 3-hydroxy-2,2-dimethylpropanoic acid Chemical compound OCC(C)(C)C(O)=O RDFQSFOGKVZWKF-UHFFFAOYSA-N 0.000 claims description 3
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 3
- 125000004386 diacrylate group Chemical group 0.000 claims description 3
- YMCOIFVFCYKISC-UHFFFAOYSA-N ethoxy-[2-(2,4,6-trimethylbenzoyl)phenyl]phosphinic acid Chemical compound CCOP(O)(=O)c1ccccc1C(=O)c1c(C)cc(C)cc1C YMCOIFVFCYKISC-UHFFFAOYSA-N 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 claims description 3
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- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a UV transfer printing adhesive which comprises the following raw materials in percentage by weight: 1-5% of a photoinitiator; 30-45% of an active diluent; 10-20% of polyester acrylic resin; 25-45% of aliphatic polyurethane acrylate resin; 5-15% of thermoplastic acrylic resin. The UV transfer printing adhesive provided by the invention can be used for preparing nano textures through ultraviolet light curing, and has the characteristics of chemical resistance, good weather resistance and the like; the glue layer can be plated with metal, metal compounds and the like, can be well applied to the rear cover of the smart phone, and solves the problem that the existing super-thick electroplated layer (the thickness of the plated layer is more than 400nm) used in the 3D rear cover of the smart phone has poor bonding force with the texture layer.
Description
Technical Field
The invention relates to the technical field of ultraviolet light curing, in particular to a UV transfer printing adhesive, and a preparation method and application thereof.
Background
At present, with the rapid development of the application and appearance design of the smart phone, the rear cover of the smart phone gradually develops from a common plane to a 3D rear cover and even a higher curved surface radian. The mainstream mobile phone 3D rear cover mainly comprises 3D curved glass and a plastic rear cover formed by a PC/PMMA composite board through 3D high pressure. In order to achieve the gorgeous appearance effect and texture of the rear cover made of any material, texture layer design needs to be added and PVD coating needs to be carried out on the texture layer. In order to achieve richer colors and texture, the electroplated layer is thicker and thicker, the coating process is more and more complex, and the requirement on the performance of the texture layer is higher and higher.
In the process of plating a thicker film coating layer (the thickness of the coating layer is more than 400nm) on the nanometer texture layer by the prior art, the film coating is easy to crack. In addition, after 3D vacuum lamination or 3D high pressure forming, the finished product has the problems of delamination of a coating layer and a nanometer texture layer after a boiling test or an ultraviolet light aging test.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a UV transfer printing adhesive, which has chemical resistance and good weather resistance, and can be applied to a mobile phone rear cover to solve the problem of poor bonding force between an ultra-thick electroplated layer (plating thickness > 400nm) and a texture layer.
The invention provides a UV transfer printing adhesive which comprises the following raw materials in percentage by weight:
1 to 5 percent of photoinitiator;
30 to 45 percent of reactive diluent;
10-20% of polyester acrylic resin;
25 to 45 percent of aliphatic polyurethane acrylate resin;
5 to 15 percent of thermoplastic acrylic resin.
Preferably, the photoinitiator is selected from one or more of 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxycyclohexylphenylketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, ethyl 2, 4, 6-trimethylbenzoylphenylphosphonate, phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide, 2-isopropylthioxanthone, and methyl benzoylformate.
Preferably, the reactive diluent is selected from one or more of monofunctional or difunctional acrylate monomers; the monofunctional acrylate monomer includes: cyclotrimethylolpropane formal acrylate, N-dimethylacrylamide, N-vinyl pyrrolidone, 4-acryloyl morpholine, isobornyl acrylate, tetrahydrofurfuryl acrylate or 2-phenoxyethyl acrylate; the bifunctional acrylate monomer comprises: 1, 6-hexanediol diacrylate, hydroxypivalic acid polyglycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, tricyclodecane dimethanol diacrylate or triethylene glycol diacrylate.
Preferably, the polyester acrylic resin is selected from one or more of trifunctional polyester acrylate, tetrafunctional polyester acrylate, hexafunctional polyester acrylate or octafunctional polyester acrylate.
Preferably, the aliphatic urethane acrylate resin is selected from one or more of difunctional aliphatic urethane acrylate, hexafunctional aliphatic urethane acrylate, nonafunctional aliphatic urethane acrylate, decafunctional aliphatic urethane acrylate and pentadecafunctional aliphatic urethane acrylate;
the glass transition temperature of the thermoplastic acrylic resin is 90-150 ℃.
The invention provides a preparation method of a UV transfer printing adhesive, which comprises the following steps:
mixing a photoinitiator, a reactive diluent, polyester acrylate, aliphatic polyurethane acrylate and thermoplastic acrylic resin, dispersing and filtering to obtain the acrylic resin.
Preferably, the preparation method of the UV transfer printing adhesive for the mobile phone 3D rear cover nano-texture forming specifically comprises the following steps:
mixing a photoinitiator and an active diluent, stirring at a low speed, adding thermoplastic acrylic resin, stirring at a high speed, adding polyester acrylate and aliphatic polyurethane acrylate, dispersing at a high speed, and filtering to obtain the acrylic resin;
preferably, the low-speed stirring is specifically stirring at a rotating speed of 100-300 r/min; the high-speed stirring is specifically stirring at a rotating speed of 1000-1500 r/min; the high-speed dispersion specifically comprises the following steps: dispersing at a speed of 500-1000 r/min.
The invention provides application of the UV transfer printing adhesive or the UV transfer printing adhesive prepared by the preparation method in any one of the technical schemes in preparation of nano textures of a 3D rear cover of a mobile phone.
The invention provides a transfer printing texture layer, which is obtained by carrying out die transfer printing and UV curing on the UV transfer printing adhesive in any one of the technical schemes or the UV transfer printing adhesive prepared by the preparation method in any one of the technical schemes.
The invention provides a 3D rear cover of a mobile phone, which comprises the transfer printing texture layer and a coating layer.
Compared with the prior art, the invention provides a UV transfer printing adhesive which comprises the following raw materials in percentage by weight: 1 to 5 percent of photoinitiator; 30 to 45 percent of reactive diluent; 10-20% of polyester acrylic resin; 25 to 45 percent of aliphatic polyurethane acrylate resin; 5 to 15 percent of thermoplastic acrylic resin. The UV transfer printing adhesive provided by the invention can form nano textures through ultraviolet light curing, and has the characteristics of chemical resistance, good weather resistance and the like; the glue layer can be plated with metal, metal compounds and the like, can be well applied to the rear cover of the smart phone, and solves the problem that the existing super-thick electroplated layer (the thickness of the plated layer is more than 400nm) used in the 3D rear cover of the smart phone has poor bonding force with the texture layer.
Detailed Description
The invention provides a UV transfer printing adhesive, a preparation method and application thereof, and a person skilled in the art can appropriately improve process parameters by referring to the content. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the scope of the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The invention provides UV transfer printing glue for manufacturing a 3D rear cover nano-texture of a mobile phone. The UV transfer printing glue can be used for manufacturing the nano textures of an explosion-proof film of a rear cover of mobile phone glass and a plastic rear cover of a PC/PMMA composite board, and solves the problems of the existing UV transfer printing glue. The transfer printing glue has higher hardness and lower thermal expansion coefficient, can bear the electroplating process of a thicker electroplated layer, has good matching property with the electroplated layer, and solves the problems of cracking and delaminating of the thick plated film on the surface of the texture layer.
The invention provides a UV transfer printing adhesive which comprises the following raw materials in percentage by weight:
1 to 5 percent of photoinitiator;
30 to 45 percent of reactive diluent;
10-20% of polyester acrylic resin;
25 to 45 percent of aliphatic polyurethane acrylate resin;
5 to 15 percent of thermoplastic acrylic resin.
The UV transfer printing adhesive provided by the invention comprises 1% -5% of a photoinitiator; preferably 2% to 4%.
According to the invention, the photoinitiator is selected from one or more of 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxycyclohexylphenylketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, ethyl 2, 4, 6-trimethylbenzoylphenylphosphonate, phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide, 2-isopropylthioxanthone and methyl benzoylformate.
In a preferred embodiment, the photoinitiator may be 1-hydroxycyclohexyl phenyl ketone, 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
The UV transfer printing glue provided by the invention comprises 30-45% of active diluent as a raw material; preferably 35% to 40%.
According to the invention, the reactive diluent is selected from one or more of monofunctional or difunctional acrylate monomers;
the monofunctional acrylate monomer may be preferably selected from monofunctional monomers such as Cyclic Trimethylolpropane Formal Acrylate (CTFA), N-Dimethylacrylamide (DMAA), N-vinylpyrrolidone (NVP), 4-Acryloylmorpholine (ACMO), isobornyl acrylate (IBOA), tetrahydrofurfuryl acrylate (THFA), and 2-phenoxyethyl acrylate (PHEA).
The difunctional acrylate monomer may preferably be selected from 1, 6-hexanediol diacrylate (HDDA), hydroxypivalic acid polyglycol diacrylate (HNPDA), dipropylene glycol diacrylate (DPGDA), tripropylene glycol diacrylate (TPGDA), tricyclodecane dimethanol diacrylate (TCDDA), triethylene glycol diacrylate.
The sources of the above components are not limited in the present invention, and they are commercially available.
The reactive diluent can play a role in regulating the overall viscosity of the transfer printing glue, increasing the wettability of the transfer printing glue and the surface of a group, and improving the performances (such as hardness, flexibility and the like) of the transfer printing glue before and after curing.
The UV transfer printing adhesive provided by the invention comprises 10-20% of polyester acrylic resin as a raw material; preferably 10% to 18%.
According to the present invention, the polyester acrylic resin is preferably selected from one or more of trifunctional polyester acrylate, tetrafunctional polyester acrylate, hexafunctional polyester acrylate or octafunctional polyester acrylate.
The UV transfer printing adhesive provided by the invention comprises 25-45% of aliphatic polyurethane acrylate resin as a raw material; preferably 35 to 42 percent.
According to the present invention, the aliphatic urethane acrylate resin is selected from one or more of difunctional aliphatic urethane acrylate, hexafunctional aliphatic urethane acrylate, nonafunctional aliphatic urethane acrylate, decafunctional aliphatic urethane acrylate and pentadecafunctional aliphatic urethane acrylate.
The type, functionality and molecular weight of the selected resin in the present invention determine the basic properties of the UV transfer adhesive, such as flexibility, hardness, elastic modulus, thermal expansion coefficient, etc.
The UV transfer printing adhesive provided by the invention comprises 5-15% of thermoplastic acrylic resin as a raw material; preferably 6% to 14%; more preferably 6% to 12%.
According to the invention, the glass transition temperature of the thermoplastic acrylic resin is 90-150 ℃.
The thermoplastic acrylic resin of the invention is selected from one or more of the following materials with the glass transition temperature ranging from 90 to 150 ℃. In a preferred embodiment, tetrafunctional polyester acrylate resins, hexafunctional urethane acrylate resins, decafunctional urethane acrylates and thermoplastic acrylates having a glass transition temperature greater than 90 ℃ may be selected for use.
The application process of the UV transfer printing glue provided by the embodiment of the invention. The specific using process can comprise the following steps:
and (3) putting the prepared UV transfer printing glue into a pressure kettle, connecting the UV transfer printing glue to a glue dispenser by using a plastic conduit, adjusting the glue dripping amount, and fixing a texture mould on a transfer printing machine table. The specific glue dripping amount can be adjusted according to the size of the substrate to be transferred and the thickness of the transferred texture layer.
Dispensing the edges of the textured area on the textured mold by a dispenser, generally in a straight line along the textured edge, and covering the substrate with the dispensed mold surface.
And pressing the PU rubber roller on the base material, and rolling the PU rubber roller from one end with the glue to the edge of the other end of the base material at preset roller pressure and roller speed.
Wherein the preset roller pressure and the roller speed can be set and adjusted according to the film thickness requirement of the transfer texture.
And (4) conveying the base material with the glue pressing function together with the texture mould into a UV curing machine through a conveying device for UV illumination curing.
After illumination curing, the base material is taken off from the mold, and the texture of the mold is formed on the surface of the base material through the UV transfer printing glue.
And then, carrying out post-process treatment on the removed workpiece with the texture layer.
The post-stage process may include various processes such as PVD plating, printing, 3D forming, laser cutting, or 3D vacuum bonding.
The detection result shows that the pencil hardness of the UV transfer printing glue for manufacturing the 3D rear cover nano-texture of the mobile phone provided by the embodiment of the invention can reach more than 1H.
The surface of the transfer texture layer cured by the UV transfer printing glue can be subjected to the later process of PVD electroplating. The ultra-thick electroplated layer (more than 400nm) formed after PVD electroplating has no cracking phenomenon on the texture layer, and the adhesive force can reach 5B after 60 minutes boiling water boiling. In addition, the transfer texture layer can also be used for 3D high-pressure forming and 3D vacuum laminating processes. And the phenomenon of coating film cracking does not occur on the surface, the edge, the R angle and other positions after 3D high-pressure forming or 3D vacuum pasting.
The invention provides a preparation method of a UV transfer printing adhesive, which comprises the following steps:
mixing a photoinitiator, a reactive diluent, polyester acrylate, aliphatic polyurethane acrylate and thermoplastic acrylic resin, dispersing and filtering to obtain the acrylic resin.
The preparation method of the UV transfer printing glue for the preparation of the nano-texture of the 3D rear cover of the mobile phone, provided by the invention, preferably comprises the following steps:
mixing a photoinitiator and an active diluent, and stirring at a low speed; the low-speed stirring is specifically stirring at a rotating speed of 100-300 r/min; the stirring time is 10-15 min.
Then adding thermoplastic acrylic resin, and stirring at high speed. At this time, the thermoplastic acrylic resin is dissolved and dispersed in the reactive diluent.
In a part of the preferred embodiments of the present invention, the thermoplastic acrylic resin can be dispersed at a high speed for 90-120 min at a rotation speed of 1000-.
Then adding polyester acrylate and aliphatic polyurethane acrylate, dispersing at high speed, and filtering to obtain the final product.
Specifically, the high-speed stirring can be performed at the speed of 500-.
The mixture obtained after uniform stirring was filtered through 200-mesh 300-mesh filter cloth.
And carrying out shading, sealing and packaging on the obtained UV transfer printing glue to obtain a final glue finished product.
The invention provides application of the UV transfer printing adhesive or the UV transfer printing adhesive prepared by the preparation method in any one of the technical schemes in preparation of nano textures of a 3D rear cover of a mobile phone.
The UV transfer printing adhesive can be applied to the preparation of the nano-textures of the 3D rear cover of the mobile phone.
The invention provides a transfer printing texture layer, which is obtained by carrying out die transfer printing and UV curing on the UV transfer printing adhesive in any one of the technical schemes or the UV transfer printing adhesive prepared by the preparation method in any one of the technical schemes.
The present invention is not limited to the above-described mold transfer and UV curing, and those skilled in the art will be familiar with them.
The invention provides a 3D rear cover of a mobile phone, which comprises the transfer printing texture layer and a coating layer.
The coating layer of the invention is preferably a coating layer with the thickness more than 400 nm. The transfer printing glue can be used in the electroplating process of electroplating thicker coating layers (the coating thickness is more than 400nm), and the coating does not crack.
The remaining materials and the specific electroplating process of the mobile phone 3D rear cover are not limited in the present invention, and may be well known to those skilled in the art.
The technical scheme provided by the embodiment of the invention provides a novel UV transfer printing adhesive. Compared with the existing UV transfer printing glue, the UV transfer printing glue has lower thermal expansion coefficient and higher elastic modulus, can reduce the contraction ratio between a glue layer and an electroplated layer in the electroplating process of an ultra-thick electroplated layer, and reduces the cracking problem of the electroplated layer on the surface of the glue layer.
Furthermore, the UV transfer printing adhesive improves the surface activity of the texture layer and reduces the contractibility of the adhesive layer through the matching of the polyester acrylate resin and the thermoplastic acrylic resin, thereby enhancing the adhesive force of the electroplated layer on the surface, showing excellent performance in the electroplating process of super-strong plating (the thickness of the plated layer is more than 400nm), and solving the difficult problems of the delamination of the plated layer and the adhesive layer after the cracking of the plated film and the ultraviolet light aging test.
In order to further illustrate the present invention, the following describes a UV transfer printing paste, a method for preparing the same, and applications of the same in detail with reference to examples.
Example 1
The UV transfer adhesive in example 1 specifically consists of the following components in percentage by weight:
the Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The IBOA monomer adopts Saedoma SR506
The HDDA monomer adopts Saedoma SR238
The tetra-functionality polyester acrylic resin adopts the Temeili chemical industry 869
The above-mentioned ten-functional degree aliphatic polyurethane acrylic resin adopts Boxing chemical B-912
The thermoplastic acrylic resin adopts DOW company A-11
The results of the performance test of the UV transfer paste are shown in table 1.
Example 2
The UV transfer adhesive in example 2 is specifically composed of the following components in percentage by weight:
the Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The IBOA monomer adopts Saedoma SR506
The HDDA monomer adopts Saedoma SR238
The tetra-functionality polyester acrylic resin adopts the Temeili chemical industry 869
The six-functionality aliphatic polyurethane acrylate resin adopts B-619B of Boxing chemical industry
The di-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV-3310B
The thermoplastic acrylic resin adopts DOW company A-11
The results of the performance test of the UV transfer paste are shown in table 1.
Example 3
The UV transfer adhesive in example 3 specifically consists of the following components in percentage by weight:
the photoinitiator 1-hydroxy cyclohexyl phenyl ketone adopts Tianjin for a long time 184
The Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The THFA monomer adopts Changxing EM214
The DPGDA monomer adopts Saedoma SR508
The trifunctional polyester acrylic resin adopts a Temeili chemical 9230
The above-mentioned ten-functional degree aliphatic polyurethane acrylic resin adopts Boxing chemical B-912
The six-functionality aliphatic polyurethane acrylate resin adopts B-619B of Boxing chemical industry
The thermoplastic acrylic resin adopts DOW company A-11
The results of the performance test of the UV transfer paste are shown in table 1.
Example 4
The UV transfer adhesive in example 4 specifically consists of the following components in percentage by weight:
the photoinitiator 1-hydroxy cyclohexyl phenyl ketone adopts Tianjin for a long time 184
The Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The THFA monomer adopts Changxing EM214
The HNPDA monomer adopts American source M210
The trifunctional polyester acrylic resin adopts a Temeili chemical 9230
The above-mentioned ten-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV1705B
The di-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV-3310B
The thermoplastic acrylic resin is DOW A-21
The results of the performance test of the UV transfer paste are shown in table 1.
Example 5
The UV transfer adhesive in example 5 specifically consists of the following components in percentage by weight:
the photoinitiator 1-hydroxy cyclohexyl phenyl ketone adopts Tianjin for a long time 184
The Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The IBOA monomer adopts Saedoma SR506
The HNPDA monomer adopts American source M210
The trifunctional polyester acrylic resin adopts a Temeili chemical 9230
The above-mentioned ten-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV1705B
The di-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV-3310B
The thermoplastic acrylic resin is DOW A-21
The results of the performance test of the UV transfer paste are shown in table 1.
Comparative example 1
The UV transfer printing glue in the comparative example 1 specifically comprises the following components in percentage by weight:
the photoinitiator 1-hydroxy cyclohexyl phenyl ketone adopts Tianjin for a long time 184
The Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The IBOA monomer adopts Saedoma SR506
The HDDA monomer adopts Saedoma SR238
The trifunctional polyester acrylic resin adopts a Temeili chemical 9230
The six-functionality aliphatic polyurethane acrylate resin adopts B-619B of Boxing chemical industry
The di-functional aliphatic polyurethane acrylate resin adopts Japanese synthetic UV-3310B
The results of the performance test of the UV transfer paste are shown in table 1.
Comparative example 2
The UV transfer printing glue in the comparative example 2 specifically comprises the following components in percentage by weight:
the Photoinitiator (TPO) adopts Tianjin long-term TPO
The DMAA monomer adopts great chemical DMAA
The IBOA monomer adopts Saedoma SR506
The HDDA monomer adopts Saedoma SR238
The tetra-functionality polyester acrylic resin adopts the Temeili chemical industry 869
The above-mentioned ten-functional degree aliphatic polyurethane acrylic resin adopts Boxing chemical B-912
The thermoplastic acrylic resin was obtained from PARALOID B-66(Tg 50 ℃ C.) manufactured by DOW corporation
The results of the performance test of the UV transfer paste are shown in table 1.
Test examples
Results of performance test of examples according to the present invention the following table 1, comparative example 3 (KDP-1002 of korean KCC) and comparative example 4 (debuyawa 3390) are two UV transfer glues that are currently sold and used for a rear cover of a cellular phone;
TABLE 1
Wherein NG in the table is unqualified, and OK is qualified.
As shown in table 1, the UV transfer adhesive for the mobile phone 3D rear cover nano-texture manufacturing provided in the embodiment of the present invention has a significant comprehensive advantage over the existing UV transfer adhesive.
Compared with the existing UV transfer printing glue, the UV transfer printing glue for manufacturing the 3D rear cover nano-texture of the mobile phone has a lower thermal expansion coefficient and higher glue layer hardness, can reduce the shrinkage ratio between a glue layer and an electroplated layer in an electroplating process of super-strong plating (the thickness of the electroplated layer is more than 400nm), and reduces the cracking problem of the electroplated layer on the surface of the glue layer.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The UV transfer printing adhesive is characterized by comprising the following raw materials in percentage by weight:
1 to 5 percent of photoinitiator;
30 to 45 percent of reactive diluent;
10-20% of polyester acrylic resin;
25 to 45 percent of aliphatic polyurethane acrylate resin;
5 to 15 percent of thermoplastic acrylic resin.
2. The UV transfer paste of claim 1, wherein the photoinitiator is selected from one or more of 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxycyclohexylphenylketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, ethyl 2, 4, 6-trimethylbenzoylphenylphosphonate, phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide, 2-isopropylthioxanthone, methyl benzoylformate.
3. The UV transfer adhesive of claim 1, wherein the reactive diluent is selected from one or more of monofunctional or difunctional acrylate monomers; the monofunctional acrylate monomer includes: cyclotrimethylolpropane formal acrylate, N-dimethylacrylamide, N-vinyl pyrrolidone, 4-acryloyl morpholine, isobornyl acrylate, tetrahydrofurfuryl acrylate or 2-phenoxyethyl acrylate; the bifunctional acrylate monomer comprises: 1, 6-hexanediol diacrylate, hydroxypivalic acid polyglycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, tricyclodecane dimethanol diacrylate or triethylene glycol diacrylate.
4. The UV transfer paste of claim 1, wherein the polyester acrylic resin is selected from one or more of a tri-functional polyester acrylate, a tetra-functional polyester acrylate, a hexa-functional polyester acrylate, or an octa-functional polyester acrylate.
5. The UV transfer paste of claim 1, wherein the aliphatic urethane acrylate resin is selected from one or more of difunctional aliphatic urethane acrylate, hexafunctional aliphatic urethane acrylate, nonafunctional aliphatic urethane acrylate, decafunctional aliphatic urethane acrylate, and pentadecafunctional aliphatic urethane acrylate;
the glass transition temperature (Tg point) of the thermoplastic acrylic resin is 90-150 ℃.
6. A preparation method of UV transfer printing glue is characterized by comprising the following steps:
mixing a photoinitiator, a reactive diluent, polyester acrylate, aliphatic polyurethane acrylate and thermoplastic acrylic resin, dispersing and filtering to obtain the acrylic resin.
7. The preparation method of claim 6, wherein the preparation method of the UV transfer glue for the nano-texture forming of the 3D rear cover of the mobile phone specifically comprises the following steps:
mixing a photoinitiator and an active diluent, stirring at a low speed, adding thermoplastic acrylic resin, stirring at a high speed, adding polyester acrylate and aliphatic polyurethane acrylate, dispersing at a high speed, and filtering to obtain the acrylic resin;
preferably, the low-speed stirring is specifically stirring at a rotating speed of 100-300 r/min; the high-speed stirring is specifically stirring at a rotating speed of 1000-1500 r/min; the high-speed dispersion specifically comprises the following steps: dispersing at a speed of 500-1000 r/min.
8. The UV transfer printing adhesive of any one of claims 1 to 5 or the UV transfer printing adhesive prepared by the preparation method of any one of claims 6 to 7 is applied to the preparation of the nano-texture of the 3D rear cover of the mobile phone.
9. The transfer texture layer is characterized in that the UV transfer printing glue is obtained by carrying out die transfer printing and UV curing on the UV transfer printing glue according to any one of claims 1 to 5 or the UV transfer printing glue prepared by the preparation method according to any one of claims 6 to 7.
10. A 3D back cover for a cellular phone comprising the transfer textured layer and the coating layer of claim 9.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114907811A (en) * | 2022-06-01 | 2022-08-16 | Oppo广东移动通信有限公司 | Packaging adhesive, shell and electronic equipment |
| CN115433515A (en) * | 2022-09-19 | 2022-12-06 | 广东希贵光固化材料有限公司 | High-hardness and super-wear-resistant UV transfer adhesive and preparation method thereof |
| CN117285902A (en) * | 2023-10-18 | 2023-12-26 | 中山蓝宏科技有限公司 | Baking-free UV texture adhesive for composite board and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942277A (en) * | 2010-09-02 | 2011-01-12 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive |
| CN102199377A (en) * | 2011-03-23 | 2011-09-28 | 长兴（广州）精细涂料有限公司 | Ultraviolet curing processing agent |
| CN104830211A (en) * | 2015-05-18 | 2015-08-12 | 惠州德斯坤实业有限公司 | UV (ultraviolet) offset printing gloss oil and preparation method thereof |
| CN111004603A (en) * | 2019-12-30 | 2020-04-14 | 广州亦盛环保科技有限公司 | UV transfer printing adhesive and preparation method and application thereof |
| CN111334242A (en) * | 2020-04-29 | 2020-06-26 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive for 3D molding and preparation method thereof |
-
2021
- 2021-12-28 CN CN202111626067.2A patent/CN114316787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942277A (en) * | 2010-09-02 | 2011-01-12 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive |
| CN102199377A (en) * | 2011-03-23 | 2011-09-28 | 长兴（广州）精细涂料有限公司 | Ultraviolet curing processing agent |
| CN104830211A (en) * | 2015-05-18 | 2015-08-12 | 惠州德斯坤实业有限公司 | UV (ultraviolet) offset printing gloss oil and preparation method thereof |
| CN111004603A (en) * | 2019-12-30 | 2020-04-14 | 广州亦盛环保科技有限公司 | UV transfer printing adhesive and preparation method and application thereof |
| CN111334242A (en) * | 2020-04-29 | 2020-06-26 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive for 3D molding and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王树强等: "《涂料工艺第三分册》", 31 December 1996, 化学工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114907811A (en) * | 2022-06-01 | 2022-08-16 | Oppo广东移动通信有限公司 | Packaging adhesive, shell and electronic equipment |
| CN114907811B (en) * | 2022-06-01 | 2024-01-05 | Oppo广东移动通信有限公司 | Packaging adhesive, shell and electronic equipment |
| CN115433515A (en) * | 2022-09-19 | 2022-12-06 | 广东希贵光固化材料有限公司 | High-hardness and super-wear-resistant UV transfer adhesive and preparation method thereof |
| CN115433515B (en) * | 2022-09-19 | 2023-06-23 | 广东希贵光固化材料有限公司 | High-hardness super-wear-resistant UV transfer printing adhesive and preparation method thereof |
| CN117285902A (en) * | 2023-10-18 | 2023-12-26 | 中山蓝宏科技有限公司 | Baking-free UV texture adhesive for composite board and preparation method thereof |
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