CN102673210A - Thermal transfer coating film for metal products, preparation method thereof and metal products - Google Patents
Thermal transfer coating film for metal products, preparation method thereof and metal products Download PDFInfo
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- CN102673210A CN102673210A CN2012101629064A CN201210162906A CN102673210A CN 102673210 A CN102673210 A CN 102673210A CN 2012101629064 A CN2012101629064 A CN 2012101629064A CN 201210162906 A CN201210162906 A CN 201210162906A CN 102673210 A CN102673210 A CN 102673210A
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Abstract
The invention discloses a thermal transfer coating film for metal products, a preparation method thereof and metal products. The method for producing the thermal transfer coating film which is used for pressing and transferring, disclosed by the invention, comprises the following steps: implementing corona treatment on the surface of a BOPET film; coating; implementing gravure printing; and coating mixed resin with thermal-solidifying cross-linking reaction. The thermal transfer metal products with colorful patterns are obtained by using pressing equipment to transfer the coating pressing on the thermal transfer coating film to the surfaces of metals, later heating and then solidifying according to the suitable solidifying parameters. The products have the following advantages: the combination firmness of the surfaces of the metals is strong, the color consistency is good, the temperature resistance and the weather resistance are good, the patterns have performances of being durable and anti-scratching, color effects are non-perishable, the color is uniform, the graphic printing is fine, and the resolution ratio can reach 600 dpi.
Description
Technical field
The present invention relates to a kind of hot transfer printing coated film, its preparation method and gained metallic article thereof that is used for metallic article.
Background technology
Along with the development of social life, stainless steel and more metal materials have a wide range of applications in the particularly daily running stores of industrial products field.But its incrustation and processing are limited by the development of process for treating surface always, particularly can't realize high-resolution, multi-level, the requirement that possesses better surface property, weatherability and durability.
Summary of the invention
The purpose of this invention is to provide a kind of hot transfer printing coated film, its preparation method and gained metallic article thereof that is used for metallic article.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of preparation method who is used for the hot transfer printing coated film of metallic article comprises the steps:
A, to thickness for the 0.018-0.025mmBOPET polyester film carries out two-sided corona treatment, make two-sided surface tension all be not less than 48dyn/cm;
B, at the one side of BOPET polyester film coating antitack agent, hot setting;
C, with organic siliconresin with butanone and dilution with toluene, the another side that is uniformly coated on the BOPET film forms silicone resin coating, hot setting;
D, with after the ultraviolet photo-curing resin dilution, be coated on the silicone coatings through reticulate pattern, form protective layer through ultraviolet photo-curing;
E, mix the pigment of matching colors, be coated on the intaglio printing mode and form ink lay on the protective layer according to different colours with acrylic resin;
F, the adhesive that will contain the micro-capsule curing agent are coated on and form adhesive layer on the ink lay, are guaranteeing hot setting under the temperature that micro-capsule is not blown; Wherein, wherein the component of adhesive comprises: mylar 16-20 part, POLYBUTADIENE EPOXY RESIN 23-27 part, amino resins 13-18 part, micro-capsule curing agent 8-12 part and solvent 10-14 part, and said umber is a mass fraction;
Among the above-mentioned steps B; Temperature during curing is preferably 120 ℃; Removing the solvent in the antitack agent, the coating weight of antitack agent is can effectively isolate after guaranteeing hot transfer film and being completed for printing between carrier film and the adhesive layer because of the volume film twines anti-sticking being as the criterion that produces, and above-mentioned BOPET film is a carrier film.
Among the above-mentioned steps C, the organosilicon resin with butanone and dilution with toluene after, the mass content of organosilicon resin is preferably 24-27%, the mass ratio of butanone and toluene is preferably (0.9-1.1): (0.9-1.1); The coating weight of organic siliconresin is under the prerequisite of the even all standing in surface, and is the least possible, is preferably every square metre of 4-6g; When organosilicon resin coating high-temp solidified, temperature was preferably 170-190 ℃, and the time is preferably 4-8 second.
Among the above-mentioned steps D, ultraviolet photo-curing resin dilution back is measured for No. 3 to look into the grace cup, and viscosity is 8 seconds under 28 ℃ of conditions; It is cured as the online curing of coating, preferably uses 80w/cm
2High-pressure sodium lamp as light source, charge into nitrogen in the semi-hermetic environment; Coating speed is preferably 35m
2/ min, coating weight is as the criterion for guaranteeing the even all standing in surface, is preferably every square metre of 12-16g; The ultraviolet photo-curing resin is made up of polyurethane acrylate resin monomer and performed polymer, contains active function groups, can be by the sensitising agent initiated polymerization under UV-irradiation.
Among the above-mentioned steps E, the coating weight of printing ink is preferably: behind the engraving of the intaglio plate degree of depth more than 45 microns, ink film thickness is not less than 0.015m; The consumption of pigment depends on the factors such as color weight of required pattern, and preferred, behind the acrylic resin hybrid pigment, pigment mass content is 8%-12%.
Among the above-mentioned steps F, in order to make gained adhesive function admirable, said solvent is preferably the mixture of one or more any proportionings in n-butyl acetate, propylene glycol monomethyl ether ethyl acetate or the butanone; The mass ratio of n-butyl acetate, propylene glycol monomethyl ether ethyl acetate and butanone is (3-5) more preferably: (1-2): (4-6); The gained adhesive in order to guarantee better adhesive property, preferably adopts secondary line coating process when coating, the first pass coating weight is preferred 10-16g/m
2, second time coating thickness is preferably 4-10g/m
2, the micro-capsule curing agent in the adhesive be preferably temperature more than 130 ℃ micro-capsule blow, temperature can be voluntarily below 130 ℃ parcel; When adhesive layer is solidified temperature preferred≤120 ℃.Good in order to ensure the adhesive adhesive property, said amino resins is preferably Lauxite, melamine resin and aniline-formaldehyde resin.
The aforesaid propylene acid resin is that vinyl chloride, vinyl acetate, acrylic acid ester three copolymerization form.
A kind of hot transfer printing coated film that is used for metallic article by the said method gained.
Metallic article by above-mentioned hot transfer printing coated film gained.
The preparation method of above-mentioned metallic article comprises the steps:
(1), the patterned layer heat on the hot transfer printing coated film is transferred to the metal surface, wherein, the hybrid resin adhesive layer of hot transfer printing coated film contacts with the metal surface;
(2), the BOPET film is thrown off obtained blank, hot setting;
In the above-mentioned steps (), be 4-8kg/cm at pressure preferably through heat transfer machine
2, temperature is 180-240 ℃, speed is that the lamination that is coated with on following hot transfer printing coated film of the condition of 3-8m/min scalds transfer printing in the metal surface; Wherein, the patterned layer on the hot transfer printing coated film comprises: protective layer, ink lay and gluing layer, do not comprise silicone resin coating, and silicone resin coating can be left on the BOPET film after the transfer printing.
In the above-mentioned steps (two), preferably under temperature 150-180 ℃, blank was solidified 10-30 minute.
By the prepared hot transfer printing metallic article of above-mentioned arbitrary method.
The utensil that metals such as indication metal finger stainless steel of the present invention, copper, iron, said goods refer to use in industry or the daily life or decoration etc.
The hot transfer printing coated film of the present invention Stability Analysis of Structures, preparation are efficient, can be combined in metal junctions such as stainless steel and print out meticulous picture and text (can reach 600dpi) on the metal, can realize large-scale industrial production again.Scald transfer printing to the lamination that is coated with on the hot transfer printing coated film in the metal surface through the hot pressing transfer printing; Wherein, The gluing layer with the mode of thermosetting attached to the metal surface; Be that a kind of high temperature irreversibility is solidified, firmness and intensity were higher than the printing ink or the paint of normal temperature or low-temperature surface volatile dry far away after it solidified, and had irreplaceable advantage.
The decorations figure resolution ratio on the hot transfer printing metallic article of gained of the present invention surface can reach 600dpi, and the printing levels are rich, and bright-colored, color is full.After the hot pressing transfer printing was solidified, the printing ink layer brute force was attached to the metal surface, the wear-resisting scratch resistance of metal surface color diagram layer, and color is prolonged vivid, durable use.
The specific embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to following embodiment.
One, the production of hot transfer printing coated film
1, with the Dupont25umBOPET film, two-sided corona treatment, extremely two-sided surface tension is all more than 48 dyne.
2, in the one side of BOPET coating antitack agent (the U.S. damp Chemical Manufacture of the U.S.), guarantee even coating, 120 ℃ of baking and curing 10 seconds.
3, with KP-1153 organosilicon resin (Shanghai open flat resin Co., Ltd) with butanone, dilution with toluene (mass ratio of butanone and toluene is 1: 1); Be coated on another surface of BOPET and form even silicone resin coating, coating weight is every square metre of 4g, solidifies through high temperature crystallization; Design temperature curve in the dry run; Fully get rid of solvent, solidification temperature is 180 ℃, and the time is 6 seconds.
Typical physical attribute with organic siliconresin after butanone, the dilution with toluene is seen table 1.
Table 1
4, with ultraviolet photo-curing resin (LS8000; Shenzhen Jitian's chemical industry Co., Ltd) is 8 seconds with viscosity under butanone, dilution with toluene (the matter reason of butanone and toluene than be 1: 1) to look into the grace cup No. 3,28 ℃ conditions, forms even level and smooth protective layer with the coating of 175 order reticulate patterns.It is cured as the online curing of coating, uses 80w/cm
2High-pressure sodium lamp as light source, charge into nitrogen as condition of cure in the semi-hermetic environment, coating speed 35m
2/ min, coating weight is 14g/m
2
5, with the outer weather-proof pigment (German ECKAAT) of gravure ink acrylic resin (Japanese DIC) composite household, pigment content 8%-12%.To match colors according to different colours, call in auxiliary agent according to the requirement that is fit to intaglio printing in the resin, abundant dispersed with stirring, be ground to the fineness of 3-5um with three-roll grinder after dilution use.Be coated on the conjunctiva layer with the intaglio printing mode and form ink lay, the actual measurement build is 0.017mm, and it is fully dry that printing ink is wanted, and guarantees solvent precluded.During intaglio printing, relevant device should have electrostatic equipment to guarantee the transfer of meticulous site.For reaching printing effect preferably, pay special attention to be coated with the interlayer tension variation during operation, can obtain print distinctness preferably to successively decrease gradually.
6, in following ratio preparation adhesive; Mylar (NF5050; Ningbo south polyester Co., Ltd) 15 parts of 18 parts, 25 parts of POLYBUTADIENE EPOXY RESIN (D-17 type epoxy resin), amino resins (BX-100, the gloomy precious wood glue in Chongqing City Co., Ltd), (it prepares reference literature to the micro-capsule curing agent: chemical industry journal, 2011 09 phases; The preparation and the sign of latency 2MMZ-PS microcapsules curing agent) 10 parts with 12 parts of solvents; Solvent is made up of n-butyl acetate, propylene glycol monomethyl ether ethyl acetate, butanone, and their mass ratio is 4: 1: 5, and said umber is a mass fraction.
Micro-capsule curing agent characteristic is: blow at micro-capsule more than 130 ℃; Temperature curing agent below 130 ℃ can wrap up voluntarily; Micro-capsule is blown the rapid and resin generation cross-linking reaction of back curing agent; About 150 ℃, form solid state preferably, this solidification process is irreversible gradual disposal solidifying, and it is outstanding to solidify back bond strength and adhesive force.
The layoutprocedure of above-mentioned adhesive: fully stir after adding curing agent in the hybrid resin; Whipping process does not adopt high-speed stirred; To avoid high speed processes heating or cutting micro-capsule, produce in advance and solidify, be separated into the master with middle stirring at low speed low speed (being not more than 300 rev/mins).Be uniformly coated on formation hybrid resin adhesive layer on the ink lay with anilox roll.Employing secondary line coating process during coating, first pass is guaranteed coating weight, every square metre of coating 13g, second time coating is level and smooth bright and clean with applied assurance hybrid resin adhesive layer to be target, does not have a square metre coating 7g, with the fineness of pattern after the assurance transfer printing.Drying after the coating is a standard to get rid of solvent, guarantees to get rid of totally, and baking temperature is no more than 120 ℃.The coating weight of hybrid resin is every square metre of 20g of wet film.
7, bundling was for use after hot transfer printing coated film production was accomplished.
Two, the transfer printing process and the method for stainless steel water glass
1, stainless steel is preheated to about 100 ℃, sends into pressing machine and realize pressing boiling hot transfer printing, press the process of scalding to realize hot transfer printing coated film and the two-way location of stainless steel through the electric eye signal.Adopt high accuracy colour code probe and transmission device, positioning accuracy is about ± 0.3mm.Stainless steel and hot transfer printing coated film are heated evenly in the boiling hot process of assurance pressure, and the silica gel roller surface temperature of pressing machine is not less than 180 ℃ of just transferabilities continuously, with the speed of 4 meters of per minutes, pressure 4-8kg/cm
2Transfer printing.
Three, the BOPET film is thrown off obtained blank, hot setting;
The BOPET film thrown off obtain blank.In fact silicone resin coating is bonded on the BOPET film after the transfer printing, the BOPET film is thrown off to be actually thrown off BOPET film and silicone resin coating.Blank is carried out 10 minutes curing under 180 ℃ of temperature.After placing 48 hours at normal temperatures,, all, meet each item performance requirement through experiment according to hundred lattice tests, salt spray test, high low temperature test, senile experiment and sweat proof liquid and anti-dish-washing machine and detergent-resistant requirement.Gained normal temperature is left standstill 3 years, visual, its pattern and original pattern (pattern during the ability output) indifference.
But hot transfer printing coated film also combined vacuum coating and radium-shine embossing is produced various noble metal effects and local laser effect, reveals various illusion-colours and texture again.
Present embodiment gained stainless steel water tumbler, ink lay combines firmness strong with stainless steel, and colour consistency is good, and heatproof is weather-proof, the prolonged nondiscolouring of color effects, color is even, the picture and text printed with fine, resolution ratio reaches the characteristics of 600dpi.
Claims (21)
1. a preparation method who is used for the hot transfer printing coated film of metallic article is characterized in that: comprise the steps:
A, to thickness for the 0.018-0.025mmBOPET polyester film carries out two-sided corona treatment, make two-sided surface tension all be not less than 48dyn/cm;
B, at the one side of BOPET polyester film coating antitack agent, hot setting;
C, with organic siliconresin with butanone and dilution with toluene, the another side that is uniformly coated on the BOPET film forms silicone resin coating, hot setting;
D, with after the ultraviolet photo-curing resin dilution, be coated on the silicone coatings through reticulate pattern, form protective layer through ultraviolet photo-curing;
E, mix the pigment of matching colors, be coated on the intaglio printing mode and form ink lay on the protective layer according to different colours with acrylic resin;
F, the adhesive that will contain the micro-capsule curing agent are coated on and form adhesive layer on the ink lay, are guaranteeing hot setting under the temperature that micro-capsule is not blown; Wherein, wherein the component of adhesive comprises: mylar 16-20 part, POLYBUTADIENE EPOXY RESIN 23-27 part, amino resins 13-18 part, micro-capsule curing agent 8-12 part and solvent 10-14 part, said umber is a mass fraction.
2. preparation method as claimed in claim 1 is characterized in that: among the step B, the temperature during curing is 120 ℃.
3. preparation method as claimed in claim 1 is characterized in that: among the step C, the organosilicon resin with butanone and dilution with toluene after, the mass content of organosilicon resin is 24-27%, the mass ratio of butanone and toluene is (0.9-1.1): (0.9-1.1).
4. preparation method as claimed in claim 1 is characterized in that: among the step C, the coating weight of organic siliconresin is every square metre of 4-6g.
5. preparation method as claimed in claim 1 is characterized in that: among the step C, when organosilicon resin coating high-temp solidified, temperature was 170-190 ℃, time 4-8 second.
6. like any described preparation method of claim 1 to 5, it is characterized in that: among the step D, ultraviolet photo-curing resin dilution back is measured for No. 3 to look into the grace cup, and viscosity is 8 seconds under 28 ℃ of conditions.
7. like any described preparation method of claim 1 to 5, it is characterized in that: among the step D, ultraviolet photo-curing uses 80w/cm
2High-pressure sodium lamp as light source, charge into nitrogen in the semi-hermetic environment.
8. like any described preparation method of claim 1 to 5; It is characterized in that: among the step D, the ultraviolet photo-curing resin is made up of polyurethane acrylate resin monomer and performed polymer; Contain active function groups, can be by the sensitising agent initiated polymerization under UV-irradiation.
9. like any described preparation method of claim 1 to 5, it is characterized in that: in the step e, the coating weight of printing ink is: behind the engraving of the intaglio plate degree of depth more than 45 microns, ink film thickness is not less than 0.015mm.
10. like any described preparation method of claim 1 to 5, it is characterized in that: in the step e, behind the acrylic resin hybrid pigment, pigment mass content is 8%-12%.
11. like any described preparation method of claim 1 to 5, it is characterized in that: in the step F, said solvent is the mixture of one or more any proportionings in n-butyl acetate, propylene glycol monomethyl ether ethyl acetate or the butanone.
12. preparation method as claimed in claim 11 is characterized in that: in the step F, the mass ratio of n-butyl acetate, propylene glycol monomethyl ether ethyl acetate and butanone is (3-5): (1-2): (4-6).
13. like any described preparation method of claim 1 to 5, it is characterized in that: in the step F, hybrid resin adopts secondary line coating process when coating, and the first pass coating weight is 10-16g/m
2, second time coating thickness is 4-10g/m
2
14., it is characterized in that like any described preparation method of claim 1 to 5: in the step F, the micro-capsule curing agent temperature more than 130 ℃ micro-capsule blow, temperature can be voluntarily below 130 ℃ parcel.
15., it is characterized in that like any described preparation method of claim 1 to 5: in the step F, temperature≤120 ℃ when the hybrid resin adhesive layer is solidified.
16. like any described preparation method of claim 1 to 5, it is characterized in that: acrylic resin is that vinyl chloride, vinyl acetate, acrylic acid ester three copolymerization form.
17. by the prepared a kind of hot transfer printing coated film that is used for metallic article of any said preparation method of claim 1 to 16.
18. by the prepared a kind of prepared metallic article of hot transfer printing coated film that is used for metallic article of any said preparation method of claim 1 to 16.
19. metallic article as claimed in claim 18 is characterized in that: comprise the steps:
(1), the patterned layer heat on the hot transfer printing coated film is transferred to the metal surface, wherein, the hybrid resin adhesive layer of hot transfer printing coated film contacts with the metal surface;
(2), the BOPET film is thrown off obtained blank, hot setting.
20. preparation method as claimed in claim 19 is characterized in that: in the step (), be 4-8kg/cm at pressure through heat transfer machine
2, temperature is 180-240 ℃, speed is that the lamination that is coated with on following hot transfer printing coated film of the condition of 3-8m/min scalds transfer printing in the metal surface.
21., it is characterized in that: in the step (two), under temperature 150-180 ℃, blank was solidified 10-30 minute like claim 19 or 20 described preparation methods.
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| CN103419538A (en) * | 2013-07-23 | 2013-12-04 | 霍浩麟 | Production process for transferring and printing PET (Polyester) transfer film onto metal plate |
| CN104802541A (en) * | 2015-04-21 | 2015-07-29 | 武汉华工图像技术开发有限公司 | Heat transfer printing ink ribbon for metal material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941705A (en) * | 2012-09-29 | 2013-02-27 | 奥瑞金包装股份有限公司 | Color printing lamination metal plate and preparation method thereof |
| CN103054284A (en) * | 2012-12-31 | 2013-04-24 | 湖北联合天诚防伪技术股份有限公司 | Metallic coin stamped with holographic anti-counterfeiting pattern and manufacturing method thereof |
| CN103054284B (en) * | 2012-12-31 | 2014-10-29 | 湖北联合天诚防伪技术股份有限公司 | Metallic coin stamped with holographic anti-counterfeiting pattern and manufacturing method thereof |
| CN103419538A (en) * | 2013-07-23 | 2013-12-04 | 霍浩麟 | Production process for transferring and printing PET (Polyester) transfer film onto metal plate |
| CN103419538B (en) * | 2013-07-23 | 2016-12-28 | 霍浩麟 | A kind of PET polyester transfer film is transferred to the production technology of sheet metal |
| CN104802541A (en) * | 2015-04-21 | 2015-07-29 | 武汉华工图像技术开发有限公司 | Heat transfer printing ink ribbon for metal material |
| CN108284677A (en) * | 2018-01-22 | 2018-07-17 | 河南卓立膜材料股份有限公司 | Thermosensitive recording composite material and production process thereof |
| CN108165089A (en) * | 2018-01-24 | 2018-06-15 | 佛山市三水金恒金属制品有限公司 | A kind of metal high temperature heat-resistant transfer ink and preparation method thereof |
| CN109823036A (en) * | 2019-03-19 | 2019-05-31 | 沈志峰 | A kind of buckle process units that gluing twice can be carried out to transfer film |
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| CN102673210B (en) | 2014-05-14 |
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Effective date of registration: 20190807 Address after: 211178 Tiancheng Road, Binjiang Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Ke Hui Precision Technology Co., Ltd. Address before: 211161 No. 28 Tiancheng Road, Binjiang Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Nanjing Tec-hi Printing Technology Co., Ltd. |
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Denomination of invention: Thermal transfer coating film for metal products, preparation method thereof and metal products Effective date of registration: 20200110 Granted publication date: 20140514 Pledgee: Bank of China, Limited by Share Ltd, Nanjing Jiangning branch Pledgor: Nanjing Ke Hui Precision Technology Co., Ltd. Registration number: Y2020320000032 |
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