CN106700727A - Gluing-free thermal transfer printing ink with release function - Google Patents
Gluing-free thermal transfer printing ink with release function Download PDFInfo
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- CN106700727A CN106700727A CN201510788534.XA CN201510788534A CN106700727A CN 106700727 A CN106700727 A CN 106700727A CN 201510788534 A CN201510788534 A CN 201510788534A CN 106700727 A CN106700727 A CN 106700727A
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- ink
- thermal transfer
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- release function
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Abstract
The invention discloses gluing-free thermal transfer printing ink with a release function. The ink is prepared from the following ingredients in percentage by weight: 15% to 25% of polymethacrylate resin, 1.5% to 2.5% of cellulose acetate resin, 1% to 3% of flexible resin, 7% to 30% of pigment, 45% to 63% of mixed solvent, 0% to 2% of auxiliaries, 0% to 1% of mute powder and 0% to 2% of wax powder. According to the ink provided by the invention, a transfer print film with a polyester film//transfer printing ink structure is achieved, so that a printing production process for the transfer print film is simplified, and the production cost of the transfer print film is greatly reduced. Meanwhile, the flexible resin is introduced during the design of a formula of the ink, so that the brittle problem of transfer print films printed with multiple layers of ink is solved.
Description
Technical field
The present invention relates to a kind of ink, more particularly to one kind for being transferred to polyvinyl chloride (PVC)
Exempt from gluing thermal transfer ink with release function in material.
Background technology
Thermal-printing Technology refers to first in specific ground [such as poly- terephthaldehyde by ink by press printing
Sour glycol ester (PET) film] on be made transfer film, then will print figuratum transfer film by one
Fixed temperature and pressure, transfers pattern to target ground (such as photo frame, furniture facade, macromolecule plate
Material, stationery plastic cement etc.) on a kind of technology.Transfer printing process can be divided into according to transfer temperature difference
Cold transfer and thermal transfer, traditional transfer membrane printing process are " PET film // mould release // transfer ink
// glue " structure, mould release play a part of after transfer with PET film peel off, if not from
Type agent, using the technique of PET film // transfer ink // glue, can occur ink layer and PET in transfer
Film layer peel off not totally with ink layer and PET film layer attachment fastness it is very good and peel off do not get off or
Exerted oneself during stripping excessive situations such as cause the fracture of PET film.Ink layer main composition transfer film it is each
Plant printed patterns.Glue layer then plays a part of to bond ink layer and final transfer ground so that ink
Pattern is firmly attached on ground after transfer.
Although present conventional transfer membrane printing process comparative maturity, its printing process slightly complicated, from
Type agent and glue just account for twice print sequence (some need twice glue must three roads print sequence), it is general
Six-color printing press can only just leave four print sequences and do color chromatography, therefore the complicated pattern of any is accomplished by
Could be completed by being printed on the machine twice, compare influence production efficiency.Simultaneously because transfer film life now
Product producer is numerous, and product competition is extremely fierce, therefore each transfer film manufacturer wants to reduces cost
Ask very urgent.But if only cost-effective from conventional angle, many bad quality can be caused to ask
Topic：The consumption of reduction mould release is peeled off not smooth when can cause to transfer；The consumption of less ink can cause color
Not enough, pattern printing is unintelligible for concentration and vividness；Reducing the consumption of glue can cause transfer fastness to become
Difference.
The transfer ground of PVC materials is more conventional a kind of material in caloric transfer printing technology, is mainly used in
All kinds of low and middle-end commodity such as stationery, washbowl, toy etc..Due to dog-eat-dog, PVC is thus be accordingly used in
The cost of the heat transfer film of material is always to transfer the problem that film manufacturer is paid close attention to very much.
Except the problem in efficiency and cost, thermal transfer ink in the market also has a comparing tight
The deficiency of weight, precisely due to the resin of thermal transfer ink in the market is mainly used based on acrylate,
It is more crisp after itself film forming.When there is four layers or more than four layers of ink layer on transfer film, transfer
The ink film layer of film can become crisp in the extreme, and slightly external force is collided with, and ink film layer will be fractured and flaked off, and be made
Obtain transfer film to scrap, this causes very big puzzlement to the transfer film producer and user
The content of the invention
It is an object of the invention to solve the deficiencies in the prior art, there is provided on a kind of exempting from release function
Glue thermal transfer ink so that the transfer film of " polyester film // transfer ink " structure is achieved, so that
Simplify transfer film print production technique, its production cost is greatly reduced.Designing this ink formulations simultaneously
When introduce flexible resin, solve the brittleness problems of the transfer film of printing multilayer ink.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of to exempt from gluing thermal transfer ink with release function, it is prepared from the following ingredients in percentage by
Composition：Polymethacrylate resin 15-25%, cellulose acetate resin 1.5-2.5%, flexible resin
1-3%, pigment 7-30%, mixed solvent 45-63%, auxiliary agent 0-2%, mute powder 0-1%, wax powder 0-2%；
The mixed solvent is ethyl acetate, n-propyl acetate, isopropyl acetate, butyl acetate, first
In benzene, butanone, methylisobutylketone, isopropanol, propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate
Two or more the mixed solvent combined according to preset ratio, the auxiliary agent for dispersion
One or more mixture in agent, antistatic additive and organosilicon levelling agent, the mute powder is
Aerosil, the wax powder is polymer micro mist wax.
Further, the polymethacrylate resin is by polymethyl methacrylate and poly- methyl
Butyl acrylate is collectively constituted, and wherein polymethyl methacrylate accounts for total polymethacrylates in ink
The 90% of resin quality.
Further, the percentage by weight that dispersant accounts for ink in the auxiliary agent is 0-0.5%, organosilicon
The percentage by weight that levelling agent accounts for ink is 0-1%, and the percentage by weight that antistatic additive accounts for ink is
0-0.5%.
Further, the molecular weight of the polymethacrylate resin is between 50000-120000,
Glass transition temperature (Tg) is between 60-120 DEG C.
Further, cellulose acetate resin exists with the weight ratio of polymethacrylate resin in ink formulations
Between 0.06-0.1.
Further, flexible resin is added in ink formulations to improve the crisp of film layer after ink setting film forming
Property, in 1-3%, the species of flexible resin is vinyl chloride-vinyl acetate resin or polyurethane resin to the addition of flexible resin.
Further, the pigment is organic pigment, and organic pigment accounts for ink formulations weight than 7-15%,
The organic pigment by red pigment, yellow uitramarine, blue pigment, viridine green, orange pigment and
One or more compositions in violet pigment.
Further, the pigment is inorganic pigment, the weight percent of ink shared by the inorganic pigment
Than being 15-30%, the inorganic pigment by black pigment, Chinese white, red pigment, yellow uitramarine,
One or more compositions in blue pigment.
Further, the polymer micro mist wax is Tissuemat E, polypropylene wax and polytetrafluoroethylwax wax
In one or more composition mixtures.
Further, the dispersant is the one kind in polyester-type or polyether-type hyper-dispersant, described anti-
Electrostatic agent is quaternary ammonium compound.
Further, the transfer printing process that the ink is applicable for it is cold transfer and temperature be not more than 220 DEG C,
Pressure is 3-10kg/cm2Thermal transfer.
The beneficial effects of the invention are as follows：
(1) thermal transfer ink of the present invention not only has conventional transfer ink properties such as color dense
Degree, vividness, excellent printability and heat resistance, but also with excellent release and with it is poly-
The cohesive of vinyl chloride material, it can be used to produce and is different from traditional " polyester film // mould release // transfer
The transfer film of new " polyester film // transfer ink " structure of ink // glue " structure.
(2) thermal transfer ink of the present invention has similar polyacrylic resin system thermal transfer ink
Not available pliability so that because of ink during production, transport and the use of multilayer ink transfer film
The loss of film layer rupture is greatly reduced.
(3) transfer ink of the present invention can make used release in conventional transfer film production process
Agent, ink and glue are merged into and only use ink, are effectively simplified the production printer of transfer film
Skill, greatlys save the production cost of production transfer film, improves the efficiency of printing transfer film.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
Each raw material is convenient source purchased in market in embodiment.
Particularly say, the mixed solvent is ethyl acetate, n-propyl acetate, isopropyl acetate, vinegar
Acid butyl ester, toluene, butanone, methylisobutylketone, isopropanol, propylene glycol monomethyl ether and propane diols list first
Two or more the mixed solvent combined according to preset ratio in ether acetate, wherein,
In preset ratio, ketone need to account for more than the 30% of mixed solvent ratio, and other solvents can be arbitrarily comparing
Example mixing.
Embodiment 1：, it is a kind of exempt from gluing thermal transfer ink with release function, its composition is such as table 1
It is shown：
The transfer ink each component and its percentage by weight of the embodiment 1 of table 1.
Wherein the molecular weight of polymethyl methacrylate is 90000, and glass transition temperature is 80 DEG C, should
With release function to exempt from gluing thermal transfer ink preparation method as follows：First by resin and a part of molten
Agent dispersing and dissolving resin liquid, is uniformly dispersed, then during pigment and auxiliary agent then are put into resin liquid
It is qualified to fineness to be ground by sand mill, and then by residual solvent, mute powder and wax powder are added, high
Fast dispersed with stirring is obtained final product for 20 minutes.
Embodiment 2：
A kind of to exempt from gluing thermal transfer ink with release function, its composition is as shown in table 2：
The transfer ink each component and its percentage by weight of the embodiment 2 of table 2.
Wherein the molecular weight of polymethyl methacrylate is 70000, and glass transition temperature is 100 DEG C；
The molecular weight of polybutyl methacrylate is 50000, and glass transition temperature is 60 DEG C.Transfer oil
Ink can be prepared in the following manner：First by resin and a part of solvent dispersing and dissolving resin liquid,
Then be uniformly dispersed in pigment and auxiliary agent being put into resin liquid, then by sand mill be ground to
Fineness is qualified, then adds residual solvent, mute powder and wax powder, and high-speed stirred dispersion is obtained final product for 20 minutes.
Embodiment 3
A kind of to exempt from gluing thermal transfer ink with release function, its composition is shown in Table 3.
The transfer ink each component and its percentage by weight of the embodiment 3 of table 3.
Wherein the molecular weight of polymethyl methacrylate is 90000, and glass transition temperature is 120 DEG C；
The molecular weight of polybutyl methacrylate is 70000, and glass transition temperature is 75 DEG C.Transfer oil
Ink can be prepared in the following manner：First by resin and a part of solvent dispersing and dissolving resin liquid,
Then be uniformly dispersed in pigment and auxiliary agent being put into resin liquid, then by sand mill be ground to
Fineness is qualified, then adds residual solvent, mute powder and wax powder, and high-speed stirred dispersion is obtained final product for 20 minutes.
Embodiment 4
A kind of to exempt from gluing thermal transfer ink with release function, its composition is shown in Table 4
Table 4. applies the transfer ink each component and its percentage by weight of example 4
Wherein the molecular weight of polymethyl methacrylate is 80000, and glass transition temperature is 100 DEG C；
The molecular weight of polybutyl methacrylate is 70000, and glass transition temperature is 75 DEG C；Poly- methyl-prop
The molecular weight of olefin(e) acid isobutyl ester is 55000, and glass transition temperature can pass through for 65 DEG C of transfer inks
It is prepared by the following manner：First by resin and a part of solvent dispersing and dissolving resin liquid, then by pigment
It is uniformly dispersed in putting into resin liquid with auxiliary agent, it is qualified to fineness to be then ground by sand mill,
Then residual solvent and wax powder are added, high-speed stirred dispersion is obtained final product for 20 minutes.
Thermal transfer ink is obtained to embodiment 1 to embodiment 4 carries out performance test, tests assessment method：
1. fineness：Performed according to GB/T13217.3, evaluation result is in units of μ.
2. tinting strength, tinting power：Performed according to GB/T13217.6, evaluation result is in units of %.
3. release：First by transfer ink with opening dilute solvent (ethyl acetate：N-propyl acetate=7:3, matter
Amount score ratio) open dilute to grace 3# flow cups are looked into 16 seconds, then use 5# on PET film non-process face
Scraper is by from carrying out thermal transfer ink to scrape sample；It is 180 DEG C that sample is scraped in temperature, and pressure is 5kg/cm2
Under conditions of be transferred in PVC board after PET film is peeled off.Detect whether smoothly peel off and shell
The residual degree of transfer ink on PET film under, evaluation result is 1-5 points, and 5 points is smoothly stripping
From and PET film on per 100cm2Ink residue point is no more than 3 points, and 1 point is smoothly to peel off,
And per 100cm on PET film2Ink residue o'clock is more than 20 points.
4. fastness is transferred：First by transfer ink with opening dilute solvent (ethyl acetate：N-propyl acetate=7:3,
Mass fraction ratio) open dilute to grace 3# flow cups are looked into 16 seconds, then used on PET film non-process face
5# scrapers are by from carrying out thermal transfer ink to scrape sample；It is 180 DEG C that sample is scraped in temperature, and pressure is 5kg/cm2
Under conditions of be transferred in PVC board after PET film is peeled off.Then cross-cut methods are pressed with 3M adhesive tapes
The attachment fastness (referring to GB/T13217.7) of test oil layer of ink, evaluation result is the lattice for not falling the effect of ink layer
Number is removed in 100.
5. pliability：First by transfer ink with opening dilute solvent (ethyl acetate：N-propyl acetate=7:3, matter
Amount score ratio) open dilute to grace 3# flow cups are looked into 16 seconds, it is then continuous with 5# scrapers in PET film
3 layers of sample is scraped, sample then will be scraped and with the hands be rubbed 5 times, observe ink layer of ink rupture event.Evaluation knot
Fruit is 1-5 points, and 5 points do not rupture completely for layer of ink, and 1 point for layer of ink is completely severed and comes off.
The test result of performance test is carried out to embodiment 1-4 see table 5.
The performance test of the embodiment of table 5.
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Fineness | The μ of ＜ 18 | The μ of ＜ 15 | The μ of ＜ 15 | The μ of ＜ 15 |
| Tinting strength, tinting power | 95-105% | 95-105% | 95-105% | 95-105% |
| Release | 5 | 5 | 5 | 5 |
| Transfer fastness | >95% | >95% | >95% | >95% |
| Pliability | 5- | 5 | 5 | 5+ |
Embodiment described above is a kind of preferably scheme of the invention, and not the present invention is appointed
What formal limitation, also has other on the premise of without departing from the technical scheme described in claim
Variant and remodeling.
Claims (12)
- It is 1. a kind of to exempt from gluing thermal transfer ink with release function, it is characterised in that：It is by following heavy Measure the component composition of percentage：Polymethacrylate resin 15-25%, cellulose acetate resin 1.5-2.5%, flexible resin 1-3%, pigment 7-30%, mixed solvent 45-63%, auxiliary agent 0-2%, Mute powder 0-1%, wax powder 0-2%；The mixed solvent is ethyl acetate, n-propyl acetate, isopropyl acetate, butyl acetate, first In benzene, butanone, methylisobutylketone, isopropanol, propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate Two or more the mixed solvent combined according to preset ratio, the auxiliary agent for dispersion One or more mixture in agent, antistatic additive and organosilicon levelling agent, the mute powder is Aerosil, the wax powder is polymer micro mist wax.
- 2. it is according to claim 1 to exempt from gluing thermal transfer ink, its feature with release function It is：The polymethacrylate resin is by polymethyl methacrylate and polymethylacrylic acid fourth Ester is collectively constituted, and wherein polymethyl methacrylate accounts for total polymethacrylate resin quality in ink 90%.
- 3. it is according to claim 1 to exempt from gluing thermal transfer ink, its feature with release function It is：The percentage by weight that dispersant accounts for ink in the auxiliary agent is 0-0.5%, and organosilicon levelling agent is accounted for The percentage by weight of ink is 0-1%, and the percentage by weight that antistatic additive accounts for ink is 0-0.5%.
- 4. gluing thermal transfer ink is exempted from release function according to claim 1 or 2 or 3, It is characterized in that：The molecular weight of the polymethacrylate resin between 50000-120000, Glass transition temperature (Tg) is between 60-120 DEG C.
- 5. gluing thermal transfer ink is exempted from release function according to claim 1 or 2 or 3, It is characterized in that：Cellulose acetate resin exists with the weight ratio of polymethacrylate resin in ink formulations Between 0.06-0.1.
- 6. gluing thermal transfer ink is exempted from release function according to claim 1 or 2 or 3, It is characterized in that：Flexible resin is added in ink formulations to improve the fragility of film layer after ink setting film forming, In 1-3%, the species of flexible resin is vinyl chloride-vinyl acetate resin or polyurethane resin to the addition of flexible resin.
- 7. gluing thermal transfer oil is exempted from release function according to claim 1 or 2 or 3 Ink, it is characterised in that：The pigment is organic pigment, and organic pigment accounts for ink formulations weight ratio 7-15%, the organic pigment is by red pigment, yellow uitramarine, blue pigment, viridine green, orange One or more compositions in color pigment and violet pigment.
- 8. gluing thermal transfer oil is exempted from release function according to claim 1 or 2 or 3 Ink, it is characterised in that：The pigment is inorganic pigment, the weight hundred of ink shared by the inorganic pigment Point than be 15-30%, the inorganic pigment by black pigment, Chinese white, red pigment, yellow uitramarine, One or more compositions in blue pigment.
- 9. gluing thermal transfer oil is exempted from release function according to claim 1 or 2 or 3 Ink, it is characterised in that：The polymer micro mist wax is Tissuemat E, polypropylene wax and polytetrafluoroethylene (PTFE) The mixture of one or more compositions in wax.
- 10. gluing thermal transfer oil is exempted from release function according to claim 1 or 2 or 3 Ink, it is characterised in that：The dispersant is the one kind in polyester-type or polyether-type hyper-dispersant, described Antistatic additive is quaternary ammonium compound.
- 11. exempt from gluing thermal transfer oil according to claim 1 or 2 or 3 with release function Ink, it is characterised in that：The transfer printing process that the ink is applicable for it is cold transfer and temperature be not more than 220 DEG C, Pressure is 3-10kg/cm2Thermal transfer.
- 12. exempt from gluing thermal transfer oil according to claim 1 or 2 or 3 with release function Ink, it is characterised in that：What this had a release function exempts from obtained transfer printed by gluing thermal transfer ink The transfer ground that film is applicable is polyvinyl chloride (PVC) material, including pure PVC, regeneration PVC and All kinds of blending materials of the composition containing PVC up to more than 75%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510788534.XA CN106700727A (en) | 2015-11-17 | 2015-11-17 | Gluing-free thermal transfer printing ink with release function |
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| CN201510788534.XA CN106700727A (en) | 2015-11-17 | 2015-11-17 | Gluing-free thermal transfer printing ink with release function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178947A (en) * | 2018-01-06 | 2018-06-19 | 嘉兴凯兴达新材料科技有限公司 | A kind of film transfer ink and preparation method thereof |
| CN110564230A (en) * | 2019-07-26 | 2019-12-13 | 四川羽玺新材料股份有限公司 | Environment-friendly nano composite material coating |
| CN111961378A (en) * | 2020-09-01 | 2020-11-20 | 重庆韩拓科技有限公司 | High-brightness scratch-resistant release composition using aluminum carbide and preparation method thereof |
| CN112280416A (en) * | 2020-10-27 | 2021-01-29 | 浙江龙游道明光学有限公司 | Manufacturing method of transfer film release agent |
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| CN103602143A (en) * | 2013-11-29 | 2014-02-26 | 洋紫荆油墨（浙江）有限公司 | Transfer printing ink with release function |
| CN105419475A (en) * | 2014-09-11 | 2016-03-23 | 洋紫荆油墨（浙江）有限公司 | Gluing-free thermal transfer printing ink having release function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178947A (en) * | 2018-01-06 | 2018-06-19 | 嘉兴凯兴达新材料科技有限公司 | A kind of film transfer ink and preparation method thereof |
| CN110564230A (en) * | 2019-07-26 | 2019-12-13 | 四川羽玺新材料股份有限公司 | Environment-friendly nano composite material coating |
| CN111961378A (en) * | 2020-09-01 | 2020-11-20 | 重庆韩拓科技有限公司 | High-brightness scratch-resistant release composition using aluminum carbide and preparation method thereof |
| CN112280416A (en) * | 2020-10-27 | 2021-01-29 | 浙江龙游道明光学有限公司 | Manufacturing method of transfer film release agent |
| CN112280416B (en) * | 2020-10-27 | 2021-12-24 | 浙江龙游道明光学有限公司 | Manufacturing method of transfer film release agent |
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Application publication date: 20170524 |