CN105733389B - A kind of cured transfer glue of LED-UV and preparation method thereof - Google Patents
A kind of cured transfer glue of LED-UV and preparation method thereof Download PDFInfo
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- CN105733389B CN105733389B CN201610226513.3A CN201610226513A CN105733389B CN 105733389 B CN105733389 B CN 105733389B CN 201610226513 A CN201610226513 A CN 201610226513A CN 105733389 B CN105733389 B CN 105733389B
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of LED ultraviolet lights（LED-UV）Cured transfer glue and preparation method thereof.The transfer glue includes following component, by mass percentage：Modified epoxy acrylic ester is 10-15%, aliphatic urethane acrylate 20-35%, special functional group's acrylate are 30-40%, reactive diluent 10-20%, photoinitiator 4-6%, adhesion promoter 2-5%.The application method of transfer glue prepared by the present invention is this transfer glue first to be coated on workpiece, then transfer cover transfer ink film on gel coating herein, achievees the effect that pattern transfers by the solidification of LED ultraviolet light.Transfer glue prepared by the present invention is full solid content UV glue, efficiently uses LED-UV Lower Energy Consumption Curing light source, rapid deep zone solidification, and low energy consumption has excellent adhesive force, excellent water resistance, can be widely applied on the various workpiece for needing to transfer pattern.
Description
Technical field
The content of present invention is related to ultraviolet photocureable material field, and in particular to a kind of LED ultraviolet light for ink transfer
（LED-UV）Solidification glue and preparation method thereof.
Background technique
Traditional solvent type adhesive contains a large amount of VOC solvent, and curing rate is slow, and production efficiency is low, production and use
Very major injury is caused to the health of people in the process.As environmental protection cry grows to even greater heights, the environmental protection of adhesive becomes one
Important development trend.Ultraviolet light in recent years（UV）Curing transfer glue is with the advantages such as its environmental protection, efficient, high quality, wide adaptability
As novel environment friendly adhesive of greatest concern, possess huge development prospect.LED ultraviolet light in the present invention（LED-UV）Gu
Changing adhesive is to stick a kind of novel optic-solidified adhesive to grow up on the basis of agent in former ordinary high pressure mercury lamp ultraviolet cured adhesive
Glutinous agent.
Ultraviolet light（UV）Curing transfer glue generally uses ordinary high pressure mercury lamp UV light source to solidify, and high-pressure sodium lamp is in work shape
The UV energy accounting about 30% occurred under state, wherein being greatly infrared energy.Due to a large amount of infrared energies
Generation makes in solidification process workpiece surface temperature excessively high and causes workpiece impaired.The ultraviolet light of high-pressure sodium lamp transmitting is concentrated mainly on
280-320nm wave-length coverage, the ultraviolet ray intensity in specific band are not concentrated, and penetration capacity is low, especially in dark colour ink
When transfer, coating interlayer poor adhesive force is caused since ultraviolet light penetration power is not enough unable to reach deep cure when curing of coatings
Problem, and the ultraviolet light that LED-UV light source generates can concentrate on required particular range of wavelengths, and there is good coating to penetrate
Coating deep cure when demonstrate,proving the transfer of dark colour ink of trying hard to keep is complete.In addition, the calorific value during the work time of LED-UV curing apparatus
It is low, thermal damage is not caused to workpiece surface.In conjunction with the cured plurality of advantages of LED-UV, the present invention provides a kind of and LED-UV and solidifies
The LED-UV transfer glue to match, the transfer glue have high solids content, rapid deep zone solidification, Lower Energy Consumption Curing, adhesive force good and excellent
It the features such as different water resistance, can be widely applicable on the various workpiece for needing to transfer pattern.
Summary of the invention
The present invention is intended to provide a kind of cured transfer glue of LED-UV, which there is high solids content, rapid deep zone to solidify, is low
It can solidify, the features such as adhesive force is good and excellent water resistance, can be widely applicable on the various workpiece for needing to transfer pattern.
Above-mentioned purpose of the invention is achieved by following scheme：A kind of LED-UV photocuring transfer glue, formula by
The raw material of following each weight percent is constituted：
Modified epoxy acrylic ester：10-15%
Aliphatic urethane acrylate 20-35%
Special functional group's acrylate 30-40%
Reactive diluent 10-20%
Photoinitiator 4-6%
Adhesion promoter 2-5%,
Wherein：Modified epoxy acrylic ester is fatty acid or anhydride modified Epocryl, modified ring
Oxypropylene acid esters have the advantages that viscosity it is low, it is fast solidification, flexibility is good, adhesive force is good；Aliphatic urethane acrylate is two
The aliphatic urethane acrylate of function or polyfunctionality；Special functional group's acrylate is a kind of adhesive force resin；It is described
Photoinitiator be mainly 365,395nm characteristic absorption wavelength photoinitiator two or more.
A kind of preparation method of the cured transfer glue of LED-UV of the present invention is as follows：
By modified epoxy acrylic ester resin, aliphatic urethane acrylate, special functional group's acrylate, work
Property diluent mixing, 60 DEG C of dispersion 1h are heated under the mixing speed of 800-1000r/min, add photoinitiator, wait consolidate
Adhesion promoter is added in state photoinitiator after being completely dissolved, can be obtained cured turn of LED-UV of the invention after dispersing 1-2h
Print glue.
A kind of performance requirement of the cured transfer glue of LED-UV according to the present invention, the present invention carry out raw material extensive
Test screen is tested for the property and assesses to various types of modified epoxy acrylic esters, finally obtains and be suitable for the present invention
It is required that modified epoxy acrylic ester resin, for a kind of fatty acid modified Epocryl, which has fast solid
Change, the feature that flexibility is good, adhesive force is good；Its role is to provide toughness and adhesive force for the paint film of final transfer glue, promote
Transfer glue reaches performance requirement in terms of curing rate and adhesive force.Above-mentioned modified epoxy acrylic ester resin uses commercial product
The present invention can be achieved, such as our company's HY217 type resin on sale or the 6100D of commercially available Jiangmen Heng Guang new material Co., Ltd
Deng.
Matrix resin of the above-mentioned aliphatic urethane acrylate as transfer glue is two functions of one kind or polyfunctionality
Aliphatic urethane acrylate resin, itself have that low viscosity, fast solidification, lower shrinkage stress, flexibility is good, adhesive force is good
The characteristics of；Aliphatic long carbon chain structure can reduce film forming coatings generated internal contraction in rapid curing and answer in the resin
Power has preferable adhesive force to transfer ink after being conducive to the film forming coatings film-forming of transfer glue；The rouge of polyfunctionality simultaneously
Fat adoption urethane acrylate resin crosslink density when film forming coatings solidify is big, and curing rate is fast, further satisfaction film forming coatings
The cured performance requirement of rapid deep zone.Above-mentioned aliphatic urethane acrylate resin can realize the present invention using commercial product,
Such as 5104D of Changxing chemical industry.
Above-mentioned special functional group's acrylate is a kind of adhesive force resin, in strand containing it is a large amount of-
OH ,-COOH isopolarity group can have good spreading wetting to transfer ink film, have after film forming coatings solidification good
Chemical bonds；So that film forming coatings have excellent adhesive force after hardening；While resin curing rate itself is fast, after film forming
Water resistance it is excellent；Its effect is the characteristic for making film forming coatings realize excellent adhesive force and water resistance.Above-mentioned special official
Energy base acrylate can realize the present invention using commercial product, such as the JS402 type resin that our company is on sale.
Above-mentioned reactive diluent is dipropylene glycol diacrylate, tripropylene glycol diacrylate, 1,6- hexylene glycol two
One kind or more of acrylate, ethoxylated neopentylglycol diacrylate, ethoxylated trimethylolpropane triacrylate
Kind.It mainly provides diluting effect in formula, while improving the crosslink density of paint film and having certain adhesive force, for transfer
Glue provides good workability and levelability.
Above-mentioned photoinitiator be two kinds and two kinds in crack type photoinitiator and the dedicated photoinitiator of LED-UV with
On, the photoinitiator is 2- hydroxy-2-methyl-phenylacetone -1（1173）, 1- hydroxy-cyciohexyl Benzophenone（184）,2,
4,6- trimethylbenzoy-dipheny phosphine oxide（TPO）, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides (819),
2,4,6- trimethylbenzoyl-phenyl phosphine oxide（TEPO）, the radical initiators such as the dedicated photoinitiator of LED-UV.It is above-mentioned
The present invention can be achieved using commercial product in the dedicated photoinitiator of LED-UV, such as 27 series of products of Tianjin long day.
Above-mentioned adhesion promoter is the one or more that can enhance the Special Resin of adhesive force；Above-mentioned adhesive force promotes
Agent can realize the present invention, such as the CD-9051 of Sartomer using commercial product.
Coating technique method of the present invention is as follows：→ coating UV is filled and led up in the common priming paint bottoming of dalle → coating UV
Sanding → coating LED-UV transfer glue → transfer ink film overlay film → LED-UV solidifies → tears oil after color bottom → ultraviolet light solidification
Subsequent protection coating and coating finish → finished product after protective film on black film.
Compared with prior art, the present invention has the advantages that：
1. the present invention use solidify fastly, flexibility is good, adhesive force is good modified epoxy acrylate resin is as matrix resin,
Toughness and adhesive force are provided for the paint film of transfer glue, the film forming coatings of transfer glue is promoted to reach in terms of curing rate and adhesive force
Performance requirement；
2. the present invention uses aliphatic polyurethane acrylic resin and special functional group's acrylate as main body tree
Rouge, it is generated interior in rapid curing that the aliphatic long carbon chain structure of aliphatic polyurethane acrylic resin reduces film forming coatings
Contain a large amount of-OH ,-COOH isopolarity group, energy in portion's shrinkage stress and special functional group's acrylate in strand
It is enough to have good spreading wetting to transfer ink film, there are good chemical bonds after film forming coatings solidification, realizes film forming
The characteristic of the excellent adhesive force of coating and good water resistance；
3. the present invention is added to a small amount of adhesion promoter, transfer glue film-forming coating is further enhanced to transfer
The adhesive force of ink film；
4. the cured transfer glue of LED-UV of the invention compares common UV curing transfer glue, dedicated light-initiated using LED
Agent, the ultraviolet light that effective use LED-UV light source generates concentrate on required particular range of wavelengths, there is good coating to penetrate
Try hard to keep when demonstrate,proving the transfer of dark colour ink coating deep cure completely and also LED-UV curing apparatus calorific value is low during the work time,
Thermal damage is not caused to workpiece surface.In summary the advantages of, the cured transfer glue of LED-UV of the invention can be widely applicable to
On the various workpiece for needing to transfer pattern.
Specific embodiment
The present invention will be further described combined with specific embodiments below, but specific embodiment does not appoint the present invention
What is limited.
Embodiment 1
A kind of cured transfer glue of LED-UV, including following component, by mass percentage：
Modified epoxy acrylic ester：12%
Aliphatic urethane acrylate 30%
Special functional group's acrylate 36%
HDDA 15%
Photoinitiator 4%
Adhesion promoter 3%,
Above-mentioned modified epoxy acrylic ester resin has sold HY-217 using our company；
Above-mentioned aliphatic urethane acrylate resin uses Changxing chemical industry 5104D；
Above-mentioned special functional group's acrylate JS402 self-produced using company；
Above-mentioned photoinitiator uses 1- hydroxy-cyciohexyl Benzophenone（184）, 2,4,6- trimethylbenzoy-dipheny
Phosphine oxide（TPO）, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides (819), 27 series of products of Tianjin long day；
Above-mentioned adhesion promoter uses the CD-9051 of Sartomer.
Embodiment 2
A kind of cured transfer glue of LED-UV, including following component, by mass percentage：
Modified epoxy acrylic ester：15%
Aliphatic urethane acrylate 20%
Special modification acrylate 36%
HDDA 20%
Photoinitiator 5%
Adhesion promoter 4%,
Above-mentioned modified epoxy acrylic ester resin has sold HY-217 using our company；
Above-mentioned aliphatic urethane acrylate resin uses Changxing chemical industry 5104D；
Above-mentioned special functional group's acrylate JS402 self-produced using company；
Above-mentioned photoinitiator uses 1- hydroxy-cyciohexyl Benzophenone（184）, 2,4,6- trimethylbenzoy-dipheny
Phosphine oxide（TPO）, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides (819), 27 series of products of Tianjin long day；
Above-mentioned adhesion promoter uses the CD-9051 of Sartomer.
Embodiment 3
A kind of cured transfer glue of LED-UV, including following component, by mass percentage：
Modified epoxy acrylic ester：10%
Aliphatic urethane acrylate 32%
Special modification acrylate 40%
HDDA 12%
Photoinitiator 4%
Adhesion promoter 2%,
Above-mentioned modified epoxy acrylic ester resin has sold HY-217 using our company；
Above-mentioned aliphatic urethane acrylate resin uses Changxing chemical industry 5104D；
Above-mentioned special functional group's acrylate JS402 self-produced using company；
Above-mentioned photoinitiator uses 1- hydroxy-cyciohexyl Benzophenone（184）, 2,4,6- trimethylbenzoy-dipheny
Phosphine oxide（TPO）, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides (819), 27 series of products of Tianjin long day；
Above-mentioned adhesion promoter uses the CD-9051 of Sartomer.
The preparation method of the above-mentioned cured transfer glue of LED-UV is as follows：
Modified epoxy acrylic ester resin, aliphatic urethane acrylate, special functional group's acrylate, HDDA are mixed
It closes, 60 DEG C of dispersion 1h is heated under the mixing speed of 800-1000r/min, photoinitiator are added, to solid-state photoinitiator
Adhesion promoter is added after being completely dissolved, the cured transfer glue of a kind of LED-UV of the invention can be obtained after dispersing 1-2h.
The present embodiment is prepared into the cured transfer glue of obtained LED-UV and carries out performance measurement, by its performance test with it is general
Logical UV curing transfer glue compares, and the results are shown in Table 1：
Table 1
Come as can be seen from Table 1, the LED-UV curing transfer glue in the present embodiment has relative to common UV curing transfer glue
There is apparent comprehensive advantage.LED-UV curing transfer glue compares common UV curing transfer glue in the present invention, is solidified using LED-UV
Equipment is solidified, and without preheating when use, long service life, solidification energy is low, and low energy consumption, and LED-UV curing light source does not generate
Excessive heat can reduce the temperature of workpiece surface, prevent from causing workpiece mass defect occur since temperature is excessively high；LED-UV is solid
Change transfer glue to use large arch dam, solidify fastly, the modified epoxy acrylic ester that adhesive force is good, aliphatic urethane acrylate, spy
The raw materials such as different functional group's acrylate, improve the toughness of film forming coatings, increase the curing rate of film forming coatings, reduce film forming
The shrinkage stress of coating, and film forming coatings have significant advantage in terms of adhesive force and water resistance.
Claims (7)
1. a kind of cured transfer glue of LED-UV, it is characterised in that its composition of raw materials by following weight percent each component group
At：
Modified epoxy acrylic ester：10-15%
Aliphatic urethane acrylate 20-35%
Special functional group's acrylate 30-40%
Reactive diluent 10-20%
Photoinitiator 4-6%
Adhesion promoter 2-5%,
Wherein：Modified epoxy acrylic ester is fatty acid or anhydride modified Epocryl；Aliphatic polyurethane third
Olefin(e) acid ester is the aliphatic urethane acrylate of two functions or polyfunctionality；Special functional group's acrylate is a kind of adhesive force
Resin；The photoinitiator is mainly two or more of the photoinitiator of 365,395nm characteristic absorption wavelength.
2. the cured transfer glue of a kind of LED-UV according to claim 1, which is characterized in that the reactive diluent
It is one of difunctional or multi-functional propylene acid esters or a variety of.
3. according to claim 1 or a kind of cured transfer glue of LED-UV described in 2, which is characterized in that the acrylic acid
Esters monomer includes dipropylene glycol diacrylate（DPGDA）, tri (propylene glycol) diacrylate (TPGDA), 1,6- oneself two
Alcohol diacrylate (HDDA), ethoxylated neopentylglycol diacrylate (NPG2PODA), ethoxyquin trimethylolpropane tris
Acrylate (TMP3EOTA) it is one or more.
4. the cured transfer glue of a kind of LED-UV according to claim 1, it is characterised in that：The photoinitiator is
Two or more collocation in crack type photoinitiator and the dedicated photoinitiator of LED-UV.
5. according to claim 1 or a kind of cured transfer glue of LED-UV described in 4, it is characterised in that：Described is light-initiated
Agent is 2- hydroxy-2-methyl -1- phenyl -1- acetone（1173）, 1- hydroxy-cyciohexyl Benzophenone（184）, 2,4,6- trimethylbenzene
Formoxyl-diphenyl phosphine oxide（TPO）, bis- (2,4,6- trimethylbenzoyl) phenyl phosphine oxides (819), 2,4,6- trimethyl
Benzoyl-ethoxyl phenenyl phosphine oxide（TEPO）, two or more in the dedicated photoinitiator of LED-UV.
6. the cured transfer glue of a kind of LED-UV according to claim 1, it is characterised in that：The adhesive force promotes
Agent is that can enhance the one or more of the Special Resin of adhesive force.
7. a kind of preparation method of the cured transfer glue of LED-UV described in a kind of claim 1, it is characterised in that including such as
Lower step：According to composition of raw materials described in claim 1, by modified epoxy acrylic ester, aliphatic urethane acrylate, special
Functional group's acrylate, reactive diluent mixing, are heated to 60 DEG C of dispersion 1h under the mixing speed of 800-1000r/min, then
Photoinitiator is added, adhesion promoter is added after solid-state photoinitiator is completely dissolved, LED- can be obtained after dispersing 1-2h
The cured transfer glue of UV.
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| CN103059697B (en) * | 2012-12-28 | 2015-07-15 | 上海乘鹰新材料有限公司 | Ultraviolet curing coating composition for metallic yarn protective layer |
| CN103555152A (en) * | 2013-09-27 | 2014-02-05 | 上海乘鹰新材料有限公司 | UV light-cured transfer adhesive composition |
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