CN102925063A - Ultraviolet curing transfer glue - Google Patents
Ultraviolet curing transfer glue Download PDFInfo
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- CN102925063A CN102925063A CN 201210485537 CN201210485537A CN102925063A CN 102925063 A CN102925063 A CN 102925063A CN 201210485537 CN201210485537 CN 201210485537 CN 201210485537 A CN201210485537 A CN 201210485537A CN 102925063 A CN102925063 A CN 102925063A
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- ultraviolet curing
- acid ester
- acrylic acid
- curing transfer
- transfer adhesive
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Abstract
The invention discloses ultraviolet curing transfer glue, comprising the following components in percentage by weight: 20-40% of low polymer, 30-52% of active monomer, 2-4% of free radical type photoinitiator and 1-3% of auxiliary agent, wherein the low polymer is one or more than one of epoxy acrylic ester, polyurethane acrylic ester and polyester acrylic ester, and the active monomer is one of single-functional-group, double-functional-group or multi-functional-group acrylic ester. The ultraviolet curing transfer glue can be used for moulding various patterns and can be cured and moulded within 20s at room temperature, energy consumption can be greatly reduced, yield is improved, the ultraviolet curing transfer glue is more suitable for continuous production, production efficiency is improved, and the ultraviolet curing transfer glue is stable and reliable in performance in high-temperature and high-humidity environment and is environment-friendly.
Description
Technical field
The present invention relates to a kind of acrylic acid ester transfer printing glue, specifically be used for the ultraviolet curing transfer adhesive of button and casing moulding.
Background technology
Along with mobile phone, notebook computer and do the fulminant that the shared electron product begins in late nineteen nineties in last century and increase, and popularize rapidly in the world, button and shell product have formed larger industry, especially a mobile phone, key of notebook computer, shell etc.To the beginning of this century, mobile phone key mainly adopts pure silicon rubber in early days, PC, and ABS, the plasthetics such as nylon, notebook computer shell are mainly used PC, the moulding of ABS mixed injection molding; In recent years, mobile phone, notebook button and shell mainly adopted the form of the combination of polyester film (PC, PET, TPU) and ultraviolet curing transfer adhesive surface forming.Plastic cement is a kind of poor solvent resistance, the thermoplastic material that abrasion resistance is poor; And the silicon rubber abrasion resistance is poor, and for solving its surperficial wear resistant, the shortcomings such as poor solvent resistance must be hardened or spray one deck the plastic cement key surface and be protected oil; Silastic surface need spray or print one deck protection printing ink, to solve surperficial poor solvent resistance, the problem that wear resistant is poor.The method of the processing plastic surface that adopts the earliest is for being main with organosilicon liquid hardening treatment, and it is easy to operate that its maximum characteristics are, the cured film surfacing, and room temperature is namely curable.But, because the surface pattern after organosilicon liquid is processed is easily fuzzy, the easy embrittlement of material, treatment time is longer, be generally 40-60min and on technique, can only adopt and soak or the mode of operation of showering, this is subject to certain limitation to a great extent, and all there is serious detrimentally affect in this performance and production efficiency to mobile phone key.
Summary of the invention
The technical problem to be solved in the present invention is that the general button of solution and shell lacquer/liquid operating time are long, and the construction limitation is large, material problem that become fragile and that the feature of environmental protection is poor.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of ultraviolet curing transfer adhesive, by weight percentage: oligopolymer 20～40%, reactive monomer 30～52%, radical photoinitiator 2～4%, auxiliary agent 1～3%; Described oligopolymer is one or more in epoxy acrylic acid ester, urethane acrylic acid ester, the polyester acrylic acid ester; Described reactive monomer is a kind of in simple function group, bifunctional or the multi-functional acrylic acid ester; Described radical photoinitiator is st-yrax contracting methyl ether, 1-hydroxy-cyclohexyl phenyl ketone, 2-hydroxyl-2 methyl isophthalic acids-phenyl-1-acetone, phenyl two (2,4, the 6-trimethylbenzoyl) phosphine oxide, 2,4, one or more in 6-trimethylbenzoyl-diphenyl phosphine oxide; Described auxiliary agent is one or more in γ-aminopropyl triethoxysilane, γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, the vinyltrimethoxy silane.
Further: in above-mentioned ultraviolet curing transfer adhesive, the effect of reactive monomer in ultraviolet curing transfer adhesive is regulation system viscosity, the wettability of promoting transfer printing glue and moulding substrate surface, improves antifoam performance and improve the various performances of solidifying the front and back material, such as snappiness, hardness etc.Described reactive monomer is a kind of in simple function group, bifunctional or the multi-functional acrylic acid ester.Simple function group acrylic acid ester is one or more in Propylene glycol monoacrylate, isobornyl acrylic acid ester, phenoxy group ethyl acrylic acid ester, NONYL PHENOL ETHOXYLATED acrylic acid ester, the tetrahydrofuran (THF) acrylate; Bifunctional acrylic acid ester is a kind of in tristane dimethanol diacrylate, ethylene glycol dipropyl dilute acid ester, butyleneglycol dipropyl dilute acid ester, hexylene glycol dipropyl dilute acid ester, the tripropylene glycol dipropyl dilute acid ester; Multifunctional acrylic acid ester is one or more in the third oxidation glycerol triacrylate, trimethylolpropane tris acrylic acid ester, tetramethylolmethane three acrylic acid esters, the Dipentaerythritol six acrylic acid esters.Preferred reactive monomer is a kind of in isobornyl acrylic acid ester, tetrahydrofuran (THF) acrylate, hexylene glycol dipropyl dilute acid ester, tristane dimethanol diacrylate, the third oxidation glycerol triacrylate.
Further again: in above-mentioned ultraviolet curing transfer adhesive; described radical photoinitiator is st-yrax contracting methyl ether (trade name Irgacure651); 1-hydroxy-cyclohexyl phenyl ketone (the trade name Irgacure of CIBA-GEIGY company 184); 2-hydroxyl-2 methyl isophthalic acids-phenyl-1-acetone (trade name Darocure1173); phenyl two (2; 4; the 6-trimethylbenzoyl) phosphine oxide (the trade name Irgacure of CIBA-GEIGY company 819); 2; 4; in 6-trimethylbenzoyl-diphenyl phosphine oxide (the trade name TPO of CIBA-GEIGY company) one or more; preferred radical photoinitiator is 1-hydroxy-cyclohexyl phenyl ketone; phenyl two (2; 4; the 6-trimethylbenzoyl) phosphine oxide or 2; 4,6-trimethylbenzoyl-diphenyl phosphine oxide.The auxiliary agent that the present invention uses is for solving water tolerance, the shrinkability of ultraviolet curing transfer adhesive, the problems such as tack, alleviation string stress.Auxiliary agent among the present invention is one or more in γ-aminopropyl triethoxysilane (KH-550), γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane (KH-560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH-570), N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane (KH-602), N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane (KH-792), the vinyltrimethoxy silane (A-171).Preferred auxiliary agent is vinyltrimethoxy silane (A-171).
The preparation of above-mentioned ultraviolet curing transfer adhesive is the compound method that those skilled in the art commonly use, namely in stainless steel cask, add light trigger and part reactive monomer, stirring and dissolving, add again oligopolymer, residual monomer and auxiliary agent, mixing and stirring, the dispersion machine high speed dispersion, the row's of vacuumizing bubble can obtain ultraviolet curing transfer adhesive after the filtration.
The application implementation process of ultraviolet curing transfer adhesive of the present invention is:
Front preparation: the ultraviolet curing transfer adhesive can for preparing in point gum machine, is removed the metal die surface impurity.
Point glue: point gum machine point glue is placed on the die surface that glue is a little arranged in the metal die surface with transparent polyester film (PC, PET or TPU etc.).
Moulding row bubble: the PU rubber-surfaced roll of 70-80 degree is steeped with the certain pressure roll extrusion side by side from transparent polyester film (PC, PET, TPU etc.) surface.
Illumination curing: with pressing and sequence the mould of bubble and polyester film (PC, PET, TPU etc.) enters UV by travelling belt and solidifies the machine illumination curing and get final product, the films such as polyester after the moulding of tearing carry out subsequent handling: print, die-cut etc.
Compared with prior art, ultraviolet curing transfer adhesive of the present invention is comprised of oligopolymer, reactive monomer, light trigger and auxiliary agent.Oligopolymer is the most critical component of ultraviolet curing transfer adhesive, base material according to its surface forming is different, the KEY type of moulding is different, can select dissimilar oligopolymer, or the combination of different oligopolymer, the kind of oligopolymer, functionality and molecular weight have determined the essential property of transfer printing glue, such as toughness, hardness, transparency, cure shrinkage, wear resistant and the performance such as adhere to.Oligopolymer among the present invention comprises epoxy acrylic acid ester, urethane acrylic acid ester, polyester acrylic acid ester.Select among the present invention functionality be about 6 and the larger oligopolymer of molecular weight be main body, the resin of collocation 2-3 functionality, the solidify reaction process shrinking percentage after these oligopolymer combinations is lower, hardness is high, good with the sticking power of base material.The commercial prod of these oligopolymer has: epoxy acrylic acid ester is such as the 621-100 of the CN2206 of Sartomer company, CN104, Changxing chemical company etc.; Aliphatic polyurethane acrylic acid ester as: Changxing chemical company 6081,6072, CN9010, the CN9013 etc. of 6195-100, Sartomer company; Polyester acrylic acid ester is such as the BE-101 of the CN2250 of Sartomer company, CN296, CN704, Bomar etc.Last preferred 621-100,6081, CN704 and CN2250 etc.Ultraviolet curing transfer adhesive correlated performance of the present invention detects as follows:
1. sticking power:
Testing method: the shaping workpiece balance is put on the face level table first, mark hundred lattice of 1mm one lattice with hundred lattice cuttves, use 3M, the 610# adhesive tape draws three times, by pulled off the part at every little lattice less than 5%, for qualified.
The result judges: every little lattice drop less than 1%.
2. wear resistant:
Testing method: the shaping workpiece balance is placed horizontal table top, paper tape is pressed on by friction layer (22 ± 2 μ m) surface by friction head with the 175gf loading, roll 150 not show-through back and forth be qualified.
The result judges: 300 times, and without show-through.
3. hardness:
Testing method: making thickness is the thick samples of 22 ± 2 μ m, sample is placed on the table top of a smooth level, from hard pencil with, with the fixing pencil of fixer, make itself and sample surfaces be 45 degree, the nib direction is away from the operator, and to the direction paddling away from the operator, cut approximately 6.5mm is long, until certain pencil can not scratch, scratch paint film, this pencil hardness is the hardness of film formation surface.
The result judges: hardness 1H.
4. environmental testing:
4.1 low temperature storage test
Testing program: with forming workpiece be placed in the incubator,
Kept 6 hours to-30 ℃ with 1 ℃/min Speed Reduction;
Kept 16 hours to-40 ℃ from-30 ℃ with 1 ℃/min Speed Reduction;
Be raised to-30 ℃ from-40 ℃ with 1 ℃/min speed, kept 15 minutes;
From-30 ℃ with 1 ℃/min speed be raised to+25 ℃, kept 2 hours;
Observe outward appearance, test sticking power.
The result judges: workpiece without the phenomenon of turning white, sticking power without considerable change as passing through.
4.2 high temperature storage test
Testing program: the workpiece of forming is placed on first in the incubator,
With 1 ℃/min be warmed up to+55 ℃, kept 6 hours;
From+55 ℃ with 1 ℃/min be warmed up to+70 ℃, kept 16 hours;
Return to room temperature from+70 ℃ with 1 ℃/min, kept 2 hours;
Observe outward appearance, test sticking power.
The result judges: workpiece without the phenomenon of turning white, sticking power without considerable change as passing through.
4.3 cyclic damp heat test
Testing program: the workpiece of forming is put into the humiture case,
Incubator is set to+and 25 ℃, 95%RH;
Temperature be warmed up in 3 hours+55 ℃, humidity 95% ± 2% kept 9 hours;
Then temperature with fell back in 3 hours+25 ℃, humidity 95% ± 2% kept 9 hours;
Above 24 hours is one-period, repeats 3 times;
Then at 25 ℃, kept 2 hours under the 75%RH condition;
Observe outward appearance, test sticking power.
The result judges: workpiece without the phenomenon of turning white, sticking power without considerable change as passing through.
4.4 temperature shock test
Testing program: the workpiece of forming is put into thermal shock test chamber; First under-40 ℃ ± 2 ℃ low temperature environment, keep 2h, in 3min, temperature switched under 70 ℃ ± 2 ℃ the hot environment and keep 2h, do altogether 5 circulations (20h).After test is finished, observe outward appearance, test sticking power.
The result judges: workpiece without the phenomenon of turning white, sticking power without considerable change as passing through.
So beneficial effect of the present invention be ultraviolet curing transfer adhesive plastic different shape and decorative pattern, and curing molding within the 20s at room temperature, can greatly reduce energy consumption, yield rate improves, be more suitable in serialization production, enhance productivity and reliable and stable and the feature of environmental protection good at the hot and humid environment performance.
Embodiment
Following examples are that ultraviolet curing transfer adhesive is preferably filled a prescription; these prescriptions are the indefiniteness embodiment; it is be used to specifying the present invention, and those skilled in the art can be protection scope of the present invention according to the prescription that thinking of the present invention and the proportioning of selecting materials filter out fully.
Embodiment 1
A kind of ultraviolet curing transfer adhesive; raw material by following weight percent forms: epoxy acrylate 20%, urethane acrylate 40%, iso-bornyl acrylate 10%, tripropylene glycol diacrylate 25%, 1-hydroxy-cyclohexyl phenyl ketone 2%, 2; 4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%, vinyltrimethoxy silane 2%.The ultraviolet curing transfer adhesive that the compound method of commonly using according to those skilled in the art of introduction of the present invention mixes, set time is short, can greatly reduce energy consumption, and yield rate improves, this ultraviolet curing transfer adhesive is test in the performance test that utilizes the present invention to introduce, and test performance is superior.
Embodiment 2
A kind of ultraviolet curing transfer adhesive; raw material by following weight percent forms: urethane acrylate 50%, iso-bornyl acrylate 15%, hexanediyl ester 30%, 1-hydroxy-cyclohexyl phenyl ketone 2%, 2; 4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%, vinyltrimethoxy silane 2%.The ultraviolet curing transfer adhesive that the compound method of commonly using according to those skilled in the art of introduction of the present invention mixes, set time is short, can greatly reduce energy consumption, and yield rate improves, this ultraviolet curing transfer adhesive is test in the performance test that utilizes the present invention to introduce, and test performance is superior.
Embodiment 3
A kind of ultraviolet curing transfer adhesive; raw material by following weight percent forms: epoxy acrylate 10%, polyester acrylic acid ester 15%, urethane acrylate 30%, hexanediyl ester 20%, tristane dimethanol diacrylate 10%, tetrahydrofuran (THF) acrylate 10%, 1-hydroxy-cyclohexyl phenyl ketone 2%, 2; 4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%, vinyltrimethoxy silane 2%.The ultraviolet curing transfer adhesive that the compound method of commonly using according to those skilled in the art of introduction of the present invention mixes, set time is short, can greatly reduce energy consumption, and yield rate improves, this ultraviolet curing transfer adhesive is test in the performance test that utilizes the present invention to introduce, and test performance is superior.
Embodiment 4
A kind of ultraviolet curing transfer adhesive; raw material by following weight percent forms: urethane acrylate 25%, polyester acrylate 25%, tristane dimethanol diacrylate 25%, tetrahydrofuran (THF) acrylate 15%, iso-bornyl acrylate 5%, 1-hydroxy-cyclohexyl phenyl ketone 3%, phenyl two (2; 4,6-trimethylbenzoyl) phosphine oxide 1.5%, vinyltrimethoxy silane 0.5%.The ultraviolet curing transfer adhesive that the compound method of commonly using according to those skilled in the art of introduction of the present invention mixes, set time is short, can greatly reduce energy consumption, and yield rate improves, this ultraviolet curing transfer adhesive is test in the performance test that utilizes the present invention to introduce, and test performance is superior.
Embodiment 5
A kind of ultraviolet curing transfer adhesive; raw material by following weight percent forms: polyester acrylic acid ester 50%; hexanediyl ester 20%; tristane dimethanol diacrylate 15%; the third oxidation glycerol triacrylate 10%; 1-hydroxy-cyclohexyl phenyl ketone 3%; 2; 4; 6-trimethylbenzoyl-diphenyl phosphine oxide 2%; the ultraviolet curing transfer adhesive that the compound method of commonly using according to those skilled in the art of introduction of the present invention mixes; set time is short; can greatly reduce energy consumption; yield rate improves; this ultraviolet curing transfer adhesive is test in the performance test that utilizes the present invention to introduce, and test performance is superior.
Claims (1)
1. ultraviolet curing transfer adhesive, by weight percentage: oligopolymer 20～40%, reactive monomer 30～52%, radical photoinitiator 2～4%, auxiliary agent 1～3%;
Described oligopolymer is one or more in epoxy acrylic acid ester, urethane acrylic acid ester, the polyester acrylic acid ester;
Described reactive monomer is a kind of in simple function group, bifunctional or the multi-functional acrylic acid ester;
Described radical photoinitiator is st-yrax contracting methyl ether, 1-hydroxy-cyclohexyl phenyl ketone, 2-hydroxyl-2 methyl isophthalic acids-phenyl-1-acetone, phenyl two (2,4, the 6-trimethylbenzoyl) phosphine oxide, 2,4, one or more in 6-trimethylbenzoyl-diphenyl phosphine oxide;
Described auxiliary agent is one or more in γ-aminopropyl triethoxysilane, γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, the vinyltrimethoxy silane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210485537 CN102925063A (en) | 2012-11-26 | 2012-11-26 | Ultraviolet curing transfer glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210485537 CN102925063A (en) | 2012-11-26 | 2012-11-26 | Ultraviolet curing transfer glue |
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| CN102925063A true CN102925063A (en) | 2013-02-13 |
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| CN 201210485537 Pending CN102925063A (en) | 2012-11-26 | 2012-11-26 | Ultraviolet curing transfer glue |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745140A (en) * | 2015-04-09 | 2015-07-01 | 广州惠利电子材料有限公司 | Glass reinforced UV adhesive and preparation method thereof |
| CN109504324A (en) * | 2017-09-14 | 2019-03-22 | 湖北银琅兴科技发展有限公司 | A kind of laser hologram image transfer UV solidification glue and preparation method thereof |
| CN109575865A (en) * | 2018-12-18 | 2019-04-05 | 东莞市贝特利新材料有限公司 | A kind of ultraviolet light solidification joint adhesive and preparation method 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 |
| CN115403996A (en) * | 2022-09-05 | 2022-11-29 | 惠州市全胜德新材料有限公司 | UV external texture spraying glue and application method thereof |
| CN117264551A (en) * | 2023-11-22 | 2023-12-22 | 汕头市恒顺包装材料有限公司 | Multifunctional cold transfer gold stamping film and manufacturing method thereof |
-
2012
- 2012-11-26 CN CN 201210485537 patent/CN102925063A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745140A (en) * | 2015-04-09 | 2015-07-01 | 广州惠利电子材料有限公司 | Glass reinforced UV adhesive and preparation method thereof |
| CN109504324A (en) * | 2017-09-14 | 2019-03-22 | 湖北银琅兴科技发展有限公司 | A kind of laser hologram image transfer UV solidification glue and preparation method thereof |
| CN109575865A (en) * | 2018-12-18 | 2019-04-05 | 东莞市贝特利新材料有限公司 | A kind of ultraviolet light solidification joint adhesive and preparation method 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 |
| CN115403996A (en) * | 2022-09-05 | 2022-11-29 | 惠州市全胜德新材料有限公司 | UV external texture spraying glue and application method thereof |
| CN117264551A (en) * | 2023-11-22 | 2023-12-22 | 汕头市恒顺包装材料有限公司 | Multifunctional cold transfer gold stamping film and manufacturing method thereof |
| CN117264551B (en) * | 2023-11-22 | 2024-02-06 | 汕头市恒顺包装材料有限公司 | Multifunctional cold transfer gold stamping film and manufacturing method thereof |
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Application publication date: 20130213 |