CN101850671A - Mixed base thermal transfer ink ribbon coated by hot melting and production method thereof - Google Patents
Mixed base thermal transfer ink ribbon coated by hot melting and production method thereof Download PDFInfo
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- CN101850671A CN101850671A CN201010187098.8A CN201010187098A CN101850671A CN 101850671 A CN101850671 A CN 101850671A CN 201010187098 A CN201010187098 A CN 201010187098A CN 101850671 A CN101850671 A CN 101850671A
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Abstract
The invention discloses a mixed base thermal transfer ink ribbon used in thermal transfer imaging, which is composed of a backing tape, a back coating, a releasing layer and an ink layer and is characterized in that the ink layer is coated by a hot melting manner and contains polar wax, nonpolar wax, two polymers, pigments and an auxiliary agent, wherein the two polymers are respectively dissolved in the polar wax and the nonpolar wax, and the total mass of the polymers accounts for 30-50 wt% of the mass of the ink layer. The invention also discloses a production method of the ink ribbon, respectively comprising the following steps: coating the back coating, the releasing layer and the ink layer. The production method is characterized in that adopting the hot melting manner is adopted to coat the ink layer and a dilute solvent is not used in the process. The invention has the advantages that production cost is lowered while avoiding environment pollution, and the product has favorable printing effect and durability, favorable scratch resistance, chemical corrosion resistance and the like.
Description
Technical field
The present invention relates to employed mixed base thermal transfer red ink paste used for seals band and production method thereof in a kind of thermal transfer imaging, this colour band is particularly useful for the printing of bar code.
Background technology
It is that Mille invented in nineteen fifty-three that heat shifts formation method, as a kind of computer peripheral equipment output equipment of contactless printing, has become the very high class special printer of occupation rate of market.Its image-forming principle is that the computer output signal drives the electrothermal semiconductor head, and (Thermal Transfer Ribbon, TTR) fusion is transferred to and is subjected to the picture medium, forms the process of writings and image to make heat transfer colour ribbon.
The basic comprising of TTR: a) terylene of Bao Erqiang or other high density material tape bases; B) priming coat in tape base front is to guarantee complete transfer good colour and mass colour when printing; C) wax or resin-based mass colour layer; When d) external coating on the mass colour layer is printed with protection mass colour and enhancing and by the tack of printed material matter; E) back coating of tape base plays antistatic, and soaking and the effect that reduces friction can be protected printhead, have prolonged service life.
The TTR product that can simply be divided three classes:
Cerul colour band (Wax ribbon): the cerul raw material (ratio of wax is greater than 65%) that contains high percentage usually, these raw materials have determined the fusing point of carbon ribbon, the energy level that the fusing point influence needs when printing, in general, because the fusing point of wax is far below resin, print the energy level that needs with the cerul carbon ribbon when printing with mixed base and resin-based; Because most waxes are softer than resin, the durability of cerul carbon ribbon printing curve is not as mixed base and resin-based again.The cerul colour band has the characteristics of high density, high sensitivity usually, is applied to paper labels, and printing effect is good, cost economy, and most cerul colour band has only one deck coating.
Wax/mixed with resin primary colours band (Wax/Resin): the resinous principle raw material (ratio of resin is between 30%-50%) that generally contains high percentage, this has determined that the fusing point of this colour band is higher, compare with the cerul colour band and also to need higher energy level when printing with this carbon ribbon, because most resins is harder than wax, the scratch resistant property and the anti-chemical corrosivity of the figure that prints are also good than cerul colour band.Most mixed base colour bands are by two-layer or more multi-layered the composition.The mixed base colour band has letter quality printing effect and endurance quality concurrently, is widely used, and valency is imitated all good.
Resin-based (Resin) colour band: contain the most a high proportion of resinous principle, advance the energy level of needs also than cerul and mixed base height in printing, because most resins is harder than wax, the tool durability of this carbon ribbon, wear-resisting wiping, performance such as heat-resisting, corrosion-resistant, some prescription can vapor-proof pressure, and some then can be through washing or dry-cleaning etc., but it is the highest that the printing cost is compared with the first two class, and medium adaptability is the poorest.
The user can wait and select carbon ribbon according to employed printer and print media and desired printing effect such as scratch resistance (friction), anti-scratching property, anti-pollution, heat-resisting, anti-solvent, wash resistant, anti-bleaching, absorption of perspiration, anti-flatiron, anti-optical activity.
Along with the continuous expansion of the fast development of China's information technology and computer application field and deeply, people are increasing to the printing demand of high speed, high-quality output, and traditional printing type is difficult to satisfy the omnibearing demand of user at aspects such as price, print quality, print speed on the market.
Because mixed base thermal transfer red ink paste used for seals band possesses very high technology content, company mainly concentrated on Japan, the U.S., Korea S, France producing this enterprise producing this product surplus the whole world had only 10.Comprise well-known large enterprises such as Ricoh, DNP, Fujicopy, IImak, ITW, Armor.Technical elements, the mixed base bar code carbon ribbon of world's main flow all adopts the solvent-borne type coating method, and its solvent that adopts is generally organic solvents such as gasoline, toluene, dimethylbenzene, ethyl acetate, butyl acetate, butanone and cyclohexanone, can cause certain pollution to environment.
The patent No. is ZL02115333.7, name is called in the Chinese patent of " heat transfer colour ribbon and manufacturing process thereof " and discloses a kind of heat transfer colour ribbon and manufacturing process thereof, this heat transfer colour ribbon in the claims the ratio of resin between 7-12%, belong to the cerul heat transfer colour ribbon, the scratch resistant property of the image that this colour band prints and anti-chemical corrosivity are weak more a lot of than mixed base thermal transfer red ink paste used for seals band, are the Eco-power colour bands of a class.It has adopted three kinds of diverse ways to make ink lay, obtains solvent-borne type slurry, oil-in-water type slurry and molten slurry respectively, and the shortcoming of solvent slurry has been to use harmful solvent, can cause the raising of environmental pollution and cost; The shortcoming of oil-in-water type slurry is owing to introduced softer emulsifying agent in system, may make image the problem that wearability descends and stains occur.Though mentioned melt coating in the documents, but the ratio of its resin lower (7-12%), resin is melted in the wax easily, the viscosity of its melt can be too not high, can adopt melt coating, belongs to current techique in the cerul heat transfer colour ribbon, but because the ratio of resin is lower, therefore the colour band persistence of making is not enough, scratch-resistant not, and print quality is relatively poor.
Summary of the invention
Technical problem to be solved by this invention is to overcome deficiency of the prior art and provide a kind of when having stopped environmental pollution, has reduced the mixed base thermal transfer red ink paste used for seals band and the production method thereof of the heat seeling coating of product cost again.
The technical scheme that the present invention solves the problems of the technologies described above employing is: the mixed base thermal transfer red ink paste used for seals band of this heat seeling coating, the ink lay that comprises PET tape base, back coating, releasing layer and heat seeling coating, its characteristics are: comprise polar waxes and nonpolar wax in the described ink lay, and two kinds of polymer that are fused to polar waxes and nonpolar wax respectively, pigment and auxiliary agent constitute.The ratio that two kinds of its gross masses of polymer account for the ink lay quality is between 30-50%, and the print image that can guarantee colour band has good printing effect and endurance quality, good scratch resistance and anti-chemical corrosivity.Adopting the wax of two kinds of opposed polarities is to control the good fusion of two kinds of resins in wax, different two kinds the polymer of polarity is when mixing mutually and disperseing, can not cause molten fully mutually, in the printing ink melt, realized the micro phase separation structure of micro/nano-scale, thereby reduced the viscosity of molten system significantly, realized the heat seeling coating of mixed base thermal transfer red ink paste used for seals band.
Polar waxes of the present invention is an ester type waxes, and nonpolar wax is chloroflo.
The described polymer that is fused to polar waxes of the present invention is meant a kind of in EVA resin, acrylic resin, acrylic copolymer, polyester, polyamide, chlorinated polyether, vinyl chloride-vinyl acetate resin, Merlon, phenolic resins, abietic resin, modified rosin resin, acrylic acid modified polyurethane resin, polyketone resin, aldehyde resin, aldehyde ketone resin, the terpene resin.
The polymer that is fused to nonpolar wax of the present invention is meant a kind of in polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyformaldehyde, other polyolefin copolymer, polysulfones, polyphenylene oxide, polybutadiene, polyisoprene, butadiene-styrene rubber (SBS, SEBS, SIS), natural rubber (NB), butadiene rubber CR, EP rubbers, the Petropols.
Tape base of the present invention is the PET film, and its thickness is the 3-6 micron.
Ester type waxes of the present invention is Brazil wax wax, montanin wax, S wax or OP wax, and described chloroflo is natural paraffin or synthetic wax.
The technical scheme that the present invention solves the problems of the technologies described above employing also comprises: the production method of the mixed base thermal transfer red ink paste used for seals band of this heat seeling coating, its characteristics are may further comprise the steps: in the PET of 3-6 micron tape base one side, coating organic silicon emulsion or silicon modified organic polymer emulsion or polyimide solution, be cross-linked to form back coating through super-dry, coating thickness is the 0.05-0.2 micron; Releasing layer is by the dry another side at the PET tape base of wax breast coating, and coating thickness is the 0.1-0.2 micron; Heat seeling coating ink lay on releasing layer at last, coating thickness is the 2-4 micron.Anilox roll, silk rod, air knife or metallic spatula mode are adopted in the coating of back coating, and baking temperature is controlled at 40-120 ℃, and preferred temperature is coated with and can crosslinkedly be advisable with the back of the body; Ceramic anilox roller, silk rod, air knife or metallic spatula mode are adopted in the coating of releasing layer, the mode of preferably ceramic anilox roll and metal anilox roll, and baking temperature is controlled at 50-100 ℃; The coating of ink lay adopts the heat of ceramic anilox roller and metal anilox roll to melt coating method, the preferred mode that adopts ceramic anilox roller, the typing of ink lay is a process that temperature progressively reduces, temperature is advisable at 100-40 ℃, it is too fast that temperature reduces, and two limits of film can produce curling phenomenon.Three coatings can be coated with respectively, also can disposablely be coated with, the preferably disposable coating of finishing three coatings.
Ink lay its preparation method of the present invention is respectively two kinds of polymer to be fused in polar waxes and the nonpolar wax, under the effect of high shear dispersion machine, disperses to mix, and adds pigment and dispersant, disperses, and mills, and makes the molten ink that is suitable for heat seeling coating.High shear disperse be will be molten not exclusively mutually different two kinds the polymer of polarity at the micro phase separation structure that can realize micro/nano-scale, thereby reduced the viscosity of molten system significantly, by milling, the fineness of pigment can be controlled at the 1-10 micron, preferably be controlled at the 2-5 micron, fineness is low excessively, may cause the thixotroping of printing ink, fineness is too high, the quality of influence coating.
The present invention compared with prior art has following beneficial effect: the mixed base thermal transfer red ink paste used for seals band of heat seeling coating of the present invention is made of the ink lay of PET tape base, back coating, releasing layer and the heat seeling coating of 3-6 micron, ink lay is to adopt the heat fusing mode to be coated with, the preparation of printing ink is to adopt two kinds of polymer that are fused in polarity and the nonpolar wax under the peptizaiton of high-strength shearing, in the printing ink melt, realized the micro phase separation structure of micro/nano-scale, reduce the viscosity of molten system significantly, realized the heat seeling coating of mixed base thermal transfer red ink paste used for seals band.The print image that heat of the present invention is melted coating mixed base thermal transfer red ink paste used for seals band has performances such as good printing effect and endurance quality, good scratch resistance and anti-chemical corrosivity.Compare with traditional solvent-borne type coating mixed base thermal transfer red ink paste used for seals band production process, heat of the present invention is melted coating mixed base thermal transfer red ink paste used for seals band, owing to use solvent-free molten system, the realization product is made, environmental pollution or the solvent recovery pressure of having avoided organic solvent to bring reduce production costs simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Further specify the present invention below in conjunction with embodiment.
The mixed base thermal transfer red ink paste used for seals band of heat seeling coating, ink lay 4 by PET tape base 1, back coating 2, releasing layer 3 and heat seeling coating constitutes, its characteristics are may further comprise the steps: in the PET of 3-6 micron tape base 1 one side, coating organic silicon emulsion or silicon modified organic polymer emulsion or polyimide solution, be cross-linked to form back coating 2 through super-dry, coating thickness is the 0.05-0.2 micron; Releasing layer 3 is by the dry another side at PET tape base 1 of wax breast coating, and coating thickness is the 0.1-0.2 micron; Heat seeling coating ink lay 4 on releasing layer 3 adopts the ceramic anilox roller coating at last, and coating thickness is the 2-4 micron.
Hot melt printing ink of the present invention is to adopt following steps to finish: under 80-150 ℃ of temperature, after ester type waxes and chloroflo are melted separately, add two kinds of polymer that are fused to ester type waxes and chloroflo respectively, when reaching good molten condition, the solubility parameter that is fused to ester type waxes is between 6-20, preferably between 7-13, above-mentioned two kinds of mixing of materials under the effect of high shear dispersion machine, disperse to mix together, on apparent, be rendered as continuous fluid, add pigment and dispersant, disperse, on three roller grinding mills or the sand mill or on the blue formula grinding mill, mill, make fineness at the 2-5 micron, the molten ink that is suitable for heat seeling coating.
In the ink lay, the polar waxes mass ratio is 20%-40%, and nonpolar wax mass ratio is 10%-30%, be fused to the polymer 15%-25% of polar waxes, be fused to the polymer 10%-25% of nonpolar wax, the gross mass ratio of two kinds of polymer is 30%-50%, pigment 10%-18% and auxiliary agent 1%-5%.Described auxiliary agent comprises dispersant, antistatic additive, slipping agent, row's infusion etc., and auxiliary agent and selection of pigment are current techique.
Embodiment 3
Embodiment 4
Embodiment 5
Embodiment 6
Embodiment 7
Embodiment 8
Because reduce the needs of the viscosity of printing ink melt, the different polymer of polarity have been selected, according to the similar compatibility principle, so adopt polarity and nonpolar two kinds of waxes in the ink lay of the present invention respectively, melting media as two kinds of polymer, mix again afterwards, make that the fusion of two-phase is insufficient, realized reducing the target of viscosity.General polar waxes is ester type waxes such as Brazil wax, montanin wax etc.Nonpolar wax is chloroflo such as natural paraffin, synthetic wax etc.
Need certain polarity and have thermoplastic consideration for polymer, so the polymer that is fused to polar waxes that adopts among the present invention is meant a kind of in EVA resin, acrylic resin, acrylic copolymer, polyester, polyamide, chlorinated polyether, vinyl chloride-vinyl acetate resin, Merlon, phenolic resins, abietic resin, acrylic acid modified polyurethane resin, polyketone resin, aldehyde resin, aldehyde ketone resin, the terpene resin.
For the polarity of polymer a little less than, take into account thermoplastic consideration simultaneously, therefore the nonpolar wax polymer that is fused to that adopts among the present invention is meant: polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyformaldehyde, other polyolefin copolymer, polysulfones, polyphenylene oxide, chlorinated polyether, a kind of in polybutadiene, polyisoprene, butadiene-styrene rubber (SBS, SEBS, SIS), natural rubber (NB), butadiene rubber CR, EP rubbers, the Petropols.
The printing ink that the foregoing description 1-8 makes can be fit to the thermosol coating of ceramic anilox roller, and environmental pollution or the solvent recovery pressure of having avoided organic solvent to bring reduce production costs simultaneously.
The mixed base thermal transfer red ink paste used for seals band that the foregoing description 1-8 makes has performances such as good printing effect and endurance quality, good scratch resistance and anti-chemical corrosivity.Image or Word message make its fusion by the heat of thermal head through the ink lay 4 that PET tape base 1 is passed to releasing layer 3 and heat seeling coating, and the ink lay 5 of hot transfer printing under the certain pressure effect is transferred to and is subjected to picture medium 6 (as label, paper, film etc.), finishes the process of printout.
Though the present invention with embodiment openly as above; but it is not in order to limit protection scope of the present invention; any technical staff who is familiar with this technology, change and the retouching done in not breaking away from design of the present invention and scope all should belong to protection scope of the present invention.
Claims (8)
1. the mixed base thermal transfer red ink paste used for seals band of a heat seeling coating, described colour band is made of tape base, back coating, releasing layer and ink lay, it is characterized in that: described ink lay adopts the heat fusing mode to be coated with, contain polar waxes and nonpolar wax in this ink lay, be fused to two kinds of polymer, pigment and auxiliary agents of polar waxes and nonpolar wax respectively, two kinds of its gross masses of polymer account for the ratio of ink lay quality between 30%-50%.
2. the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 1, it is characterized in that: described polar waxes is an ester type waxes, nonpolar wax is chloroflo.
3. the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 1 is characterized in that: the described polymer that is fused to polar waxes is meant a kind of in EVA resin, acrylic resin, acrylic copolymer, polyester, polyamide, chlorinated polyether, vinyl chloride-vinyl acetate resin, Merlon, phenolic resins, abietic resin, modified rosin resin, acrylic acid modified polyurethane resin, polyketone resin, aldehyde resin, aldehyde ketone resin, the terpene resin.
4. the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 1 is characterized in that: the described polymer that is fused to nonpolar wax is meant a kind of in polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyformaldehyde, other polyolefin copolymer, polysulfones, polyphenylene oxide, polybutadiene, polyisoprene, butadiene-styrene rubber (SBS, SEBS, SIS), natural rubber (NB), butadiene rubber CR, EP rubbers, the Petropols.
5. the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 1, it is characterized in that: described tape base is the PET film, its thickness is the 3-6 micron.
6. the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 2, it is characterized in that: described ester type waxes is Brazil wax wax, montanin wax, S wax or OP wax, described chloroflo is natural paraffin or synthetic wax.
7. the production method of the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 1, it is characterized in that may further comprise the steps: in PET tape base one side, coating organic silicon emulsion or silicon modified organic polymer emulsion or polyimide solution, be cross-linked to form back coating through super-dry, coating thickness is the 0.05-0.2 micron; Releasing layer is by the dry another side at the PET tape base of wax breast coating, and coating thickness is the 0.1-0.2 micron; Heat seeling coating ink lay on releasing layer at last, coating thickness is the 2-4 micron.
8. the production method of the mixed base thermal transfer red ink paste used for seals band of heat seeling coating according to claim 7, it is characterized in that: described ink lay its preparation method is respectively two kinds of polymer to be fused in polar waxes and the nonpolar wax, under the effect of high shear dispersion machine, disperse to mix, add pigment and dispersant, disperse, mill, make the molten ink that is suitable for heat seeling coating.
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| CN102173234A (en) * | 2011-03-14 | 2011-09-07 | 杭州天地数码科技有限公司 | Water-based resin thermal transfer printing ribbon and preparation method thereof |
| CN102303459A (en) * | 2011-07-26 | 2012-01-04 | 大连富士山办公设备有限公司 | High-resolution thermal transfer colored tape |
| CN102558964A (en) * | 2012-01-05 | 2012-07-11 | 汕头市华天富工业发展有限公司 | Printing ink special for photographic paper identification printing |
| CN103042845A (en) * | 2013-01-15 | 2013-04-17 | 杭州兴甬复合材料有限公司 | Thermal transfer ribbon |
| CN103314061A (en) * | 2010-12-15 | 2013-09-18 | Sk新技术株式会社 | Composition of rotogravure hotmelt ink containing polypropylene carbonate |
| CN103709841A (en) * | 2013-12-16 | 2014-04-09 | 江苏波波熊纺织品有限公司 | PVC (Polyvinyl chloride) hot-stamping ribbon |
| CN104725927A (en) * | 2015-03-18 | 2015-06-24 | 珠海天博打印耗材有限公司 | Printer, ribbon, ribbon fragrant ink and manufacturing method thereof |
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| CN106433303A (en) * | 2016-09-30 | 2017-02-22 | 广州元禄信息科技有限公司 | Quick-drying ink for clothing pattern printing |
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| CN115558336A (en) * | 2022-10-11 | 2023-01-03 | 福建鸣友新材料科技有限公司 | Ink layer material suitable for thermal transfer printing intelligent printing carbon ribbon and preparation method thereof |
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| CN103314061A (en) * | 2010-12-15 | 2013-09-18 | Sk新技术株式会社 | Composition of rotogravure hotmelt ink containing polypropylene carbonate |
| CN102173234A (en) * | 2011-03-14 | 2011-09-07 | 杭州天地数码科技有限公司 | Water-based resin thermal transfer printing ribbon and preparation method thereof |
| CN102173234B (en) * | 2011-03-14 | 2012-11-21 | 杭州天地数码科技有限公司 | Water-based resin thermal transfer printing ribbon and preparation method thereof |
| CN102303459A (en) * | 2011-07-26 | 2012-01-04 | 大连富士山办公设备有限公司 | High-resolution thermal transfer colored tape |
| CN102303459B (en) * | 2011-07-26 | 2013-11-06 | 大连富士山办公设备有限公司 | High-resolution thermal transfer colored tape |
| CN102558964A (en) * | 2012-01-05 | 2012-07-11 | 汕头市华天富工业发展有限公司 | Printing ink special for photographic paper identification printing |
| CN102558964B (en) * | 2012-01-05 | 2013-12-18 | 汕头市华天富工业发展有限公司 | Printing ink special for photographic paper identification printing |
| CN103042845A (en) * | 2013-01-15 | 2013-04-17 | 杭州兴甬复合材料有限公司 | Thermal transfer ribbon |
| CN103042845B (en) * | 2013-01-15 | 2015-05-13 | 杭州兴甬复合材料有限公司 | Thermal transfer ribbon |
| CN103709841A (en) * | 2013-12-16 | 2014-04-09 | 江苏波波熊纺织品有限公司 | PVC (Polyvinyl chloride) hot-stamping ribbon |
| CN104725927A (en) * | 2015-03-18 | 2015-06-24 | 珠海天博打印耗材有限公司 | Printer, ribbon, ribbon fragrant ink and manufacturing method thereof |
| CN106381063A (en) * | 2016-08-30 | 2017-02-08 | 杭州天地数码科技股份有限公司 | Thermal transfer ribbon used for proximal margin printing and production method thereof |
| CN106380962A (en) * | 2016-08-30 | 2017-02-08 | 浙江天浩数码科技有限公司 | Aqueous resin-based thermal transfer colored tape and preparation method thereof |
| CN106381063B (en) * | 2016-08-30 | 2018-10-30 | 杭州天地数码科技股份有限公司 | A kind of heat transfer colour ribbon and preparation method thereof near side (ns) printing |
| CN106433303A (en) * | 2016-09-30 | 2017-02-22 | 广州元禄信息科技有限公司 | Quick-drying ink for clothing pattern printing |
| CN107163675A (en) * | 2017-06-06 | 2017-09-15 | 荆门七色龙油墨有限公司 | Manufacturing process for the heat molten type solid ink of intaglio printing |
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Address after: Hangzhou City, Zhejiang province 311106 Xinlu Kang Linping Qianjiang Economic Development Zone No. 600 Patentee after: HANGZHOU TODAYTEC DIGITAL CO.,LTD. Address before: Hangzhou City, Zhejiang province 311106 dragon boat Yuhang Qianjiang Economic Development Zone Hollywood Road No. 101 Patentee before: HANGZHOU TODAYTEC DIGITAL Co.,Ltd. |
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Commission number: 4W112395 Conclusion of examination: The patent right for invention No. 201010187098.8 is partially invalidated, and the patent is maintained valid on the basis of claims 1-8 submitted by the patentee on April 19, 2018 Decision date of declaring invalidation: 20211011 Decision number of declaring invalidation: 52044 Denomination of invention: Hot-melt coated mixed-base thermal transfer ribbon and method for producing the same Granted publication date: 20110928 Patentee: HANGZHOU TODAYTEC DIGITAL CO.,LTD. |
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