CN103360541B - Acrylic acid emulsion for laser holographic information record material and preparation method thereof - Google Patents
Acrylic acid emulsion for laser holographic information record material and preparation method thereof Download PDFInfo
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- CN103360541B CN103360541B CN201310309380.2A CN201310309380A CN103360541B CN 103360541 B CN103360541 B CN 103360541B CN 201310309380 A CN201310309380 A CN 201310309380A CN 103360541 B CN103360541 B CN 103360541B
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- emulsifier
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- deionized water
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- 239000000463 material Substances 0.000 title claims abstract description 38
- 239000000839 emulsion Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 title abstract 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012874 anionic emulsifier Substances 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 239000012875 nonionic emulsifier Substances 0.000 claims abstract description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 7
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 6
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 230000003472 neutralizing effect Effects 0.000 claims description 10
- 239000004094 surface-active agent Substances 0.000 claims description 8
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 241000237502 Ostreidae Species 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 235000020636 oyster Nutrition 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 229960002887 deanol Drugs 0.000 claims description 2
- 239000012972 dimethylethanolamine Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 abstract description 7
- 229920000178 Acrylic resin Polymers 0.000 abstract description 6
- 239000004925 Acrylic resin Substances 0.000 abstract description 6
- 239000003960 organic solvent Substances 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 102100026735 Coagulation factor VIII Human genes 0.000 abstract 1
- 239000004641 Diallyl-phthalate Substances 0.000 abstract 1
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 abstract 1
- 239000004159 Potassium persulphate Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002736 nonionic surfactant Substances 0.000 abstract 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 abstract 1
- 235000019394 potassium persulphate Nutrition 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000058 polyacrylate Polymers 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The invention discloses an acrylic acid emulsion for laser holographic information record material and a preparation method thereof. The acrylic acid emulsion is prepared from the following raw materials and auxiliary materials: deionized water, methyl methacrylate, isobutyl acrylate, HEMA, styrene, diallyl phthalate, a nonionic surfactant, a non-ionic emulsifier, an anionic emulsifier, a neutralizer and a 10% potassium persulphate aqueous solution. The acrylic acid emulsion replaces traditional solvent type acrylic resin to be used as a laser holographic information record material. Thus, excellent use performance of the original solvent type resin is retained, and environmental pollution produced by discharge of an organic solvent during the production process is also reduced. In addition, there is no organic solvent residual in the laser holographic information record material.
Description
Technical field
The present invention relates to a kind of ACRYLIC EMULSION for laser hologram information-recording material and preparation method thereof, belong to antiforge laser holographic Material Field.
Background technology
Holographic false proof is a kind of antifalse technology that application laser holography grows up.At present, holographic false proof thermoprint material has been widely used in the fields such as packaging, card, ticket.Conventional photographic false proof thermoprint material is made up of five layers of different material layer usually, comprises the film substrate layer, release layer, information recording layer, medium layer and the glue line that are coated with successively from top to bottom.Wherein, information recording layer material is generally solvent type polyacrylate analog thermoplastic high molecular polymer, and its effect is recording laser holographic anti-fake information.But there is following shortcoming in applicable material system: (1) conventional solution-type polyacrylate type resin, in coating use procedure, has a large amount of aromatic hydrocarbons, ester or ketone volatile solvent to discharge, easily causes serious environmental pollution; (2) to have dissolvent residual in the holographic false proof thermoprint material of solvent type polyacrylate resinoid prepared by information recording layer, when holographic false proof thermoprint material uses as anti-fake product, easily residual organic solvent is brought in the such as foodstuff such as tobacco bale, wine bag packaging and the pharmaceutical packing of product, finally affects consumer health.
Summary of the invention
In order to overcome above-mentioned weak point of the prior art, applicant has developed a kind of environmental type laser hologram information recording layer material and preparation technology thereof.Through verification experimental verification, this laser hologram information recording layer material, while the use properties remaining original solvent type resin system excellence, also greatly reduces the pollution level to environment, and does not have organic solvent residual.
Based on this, the object of the present invention is to provide a kind of ACRYLIC EMULSION for laser hologram information-recording material and preparation method thereof.When preparing laser hologram information-recording material, adopt environment-friendly water-soluble acrylic resin of the present invention can replace traditional solvent-borne acrylic resin.
To achieve these goals, the present invention is explored by lot of experiments and studies, and finally obtains following technical scheme:
For an ACRYLIC EMULSION for laser hologram information-recording material, described ACRYLIC EMULSION is prepared from by the supplementary material comprising following component: deionized water, methyl methacrylate, isobutyl acrylate, β-hydroxyethyl methacrylate, vinylbenzene, Phthalic acid, diallyl ester, nonionic surface active agent, nonionic emulsifier, anionic emulsifier, neutralizing agent and 10% persulfate aqueous solution.
Preferably, the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, by with weight part is wherein: deionized water 600 ~ 800; Methyl methacrylate 4 ~ 10; Isobutyl acrylate 200 ~ 250; β-hydroxyethyl methacrylate 600 ~ 700; Vinylbenzene 100 ~ 150; Phthalic acid, diallyl ester 150 ~ 200; Nonionic emulsifier 50 ~ 60; Anionic emulsifier 5 ~ 10; Nonionic surface active agent 3 ~ 10; Neutralizing agent 3 ~ 5; 10%(w/w) persulfate aqueous solution 20 ~ 35.
Further preferably, the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, wherein said nonionic surface active agent is one in polyvinyl alcohol and Sodium dodecylbenzene sulfonate or two kinds of mixtures.
Further preferably, the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, wherein said anionic emulsifier is styroyl phenol polyoxyethylene polyoxypropylene ether.
Further preferably, the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, wherein said neutralizing agent can adopt organic amine (such as N,N-DMAA, triethylamine, dimethylethanolamine) or inorganic ammonia (such as ammoniacal liquor) or mineral alkali (such as sodium hydroxide, potassium hydroxide etc.).
Further preferably, the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, wherein said nonionic emulsifier is Vinlub.
According to a preparation method for the above-mentioned ACRYLIC EMULSION for laser hologram information-recording material, comprise the steps:
(1) by monomers whole in raw material, nonionic surface active agent, 1/2 ionized water, 1/2 anionic emulsifier mixing, emulsification 20-40 minute, obtains pre-emulsion;
(2) in the reactor that agitator, rinser, temperature regulator and reflux exchanger are housed, add residue deionized water and be heated to 85 ± 5 DEG C, then 10% persulfate aqueous solution is added, pre-emulsion and the residual emulsifier of above-mentioned preparation is added immediately in 3-5 hour, temperature of reaction remains on 85 ± 5 DEG C, then whole system is carried out reaction 2h again at 90 DEG C, obtained dispersion liquid is cooled to 25 DEG C, add neutralizing agent adjust ph to 7 ~ 8, filtering net leaches, obtained oyster white dispersion liquid.
Compared with prior art, the ACRYLIC EMULSION for laser hologram information-recording material that the present invention relates to and preparation method thereof tool has the following advantages and marked improvement: when preparing laser hologram information-recording material, adopts environment-friendly water-soluble acrylic resin of the present invention can replace traditional solvent-borne acrylic resin.Prepared laser hologram information recording layer material, while the use properties remaining original solvent type resin system excellence, also greatly reduces the pollution level to environment, and does not have organic solvent residual.
Embodiment
Form below by way of concrete preparation example is described in further detail foregoing of the present invention again, but this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following example, all technology realized based on foregoing of the present invention all belong to scope of the present invention.
(1) deionized water 700 parts is taken by weight; Methyl methacrylate 8 parts; Isobutyl acrylate 200 parts; β-hydroxyethyl methacrylate 650 parts; Vinylbenzene 125 parts; Phthalic acid, diallyl ester 200 parts; Nonionic emulsifier Vinlub 50 parts; 8 parts, anionic emulsifier styroyl phenol polyoxyethylene polyoxypropylene ether; Nonionic surface active agent polyvinyl alcohol 5 parts; Neutralizing agent N,N-DMAA 4 parts, for subsequent use.
(2) by monomers whole in raw material, tensio-active agent, 350 parts of deionized waters, 4 parts of anionic emulsifier mixing, emulsification 30 minutes, obtains pre-emulsion.
(3) agitator is being housed, rinser, in the reactor of temperature regulator and reflux exchanger, add residue deionized water, and be heated to 85 DEG C, then 30 parts of 10%(mass percents are added) persulfate aqueous solution, add pre-emulsion and the residual emulsifier of above-mentioned preparation immediately at the appointed time, temperature of reaction remains on about 85 DEG C, then whole system is carried out reaction 2h again at 90 DEG C, obtained dispersion liquid is cooled to 25 DEG C, add neutralizing agent adjust ph to 7 ~ 8, filtering net leaches, obtained solid ingredient 48%(w/v) oyster white dispersion liquid.
Effect test example
Using the ACRYLIC EMULSION prepared by this experimental technique as laser hologram information layer recording materials, concrete operation is: with PET basement membrane for carrier, be coated with release, be coated with ACRYLIC EMULSION made by the inventive method again as laser hologram information layer material, last moulding laser holographic information is also aluminized, and obtains product 1.In addition, adopt conventional solution-type acrylic resin as laser hologram information layer material, according to above-mentioned same technique, obtain product 2.By product 1,2 respectively by vapor-phase chromatography, carry out volatile organic compounds (VOCs) and detect, its specific targets are as follows:
From list data, the ACRYLIC EMULSION adopting the inventive method obtained is as laser hologram information layer material, compared with being the false proof thermoprint product prepared of information recording layer material with traditional solvent-borne polyacrylate type resin, organic solvent content obviously reduces, and greatly reduces the pollution to environment.
Claims (4)
1. for an ACRYLIC EMULSION for laser hologram information-recording material, it is characterized in that described ACRYLIC EMULSION is prepared from by the supplementary material comprising following component: deionized water, methyl methacrylate, isobutyl acrylate, β-hydroxyethyl methacrylate, vinylbenzene, Phthalic acid, diallyl ester, nonionic surface active agent, nonionic emulsifier, anionic emulsifier, neutralizing agent, 10% persulfate aqueous solution; By with weight part be: deionized water 600 ~ 800; Methyl methacrylate 4 ~ 10; Isobutyl acrylate 200 ~ 250; β-hydroxyethyl methacrylate 600 ~ 700; Vinylbenzene 100 ~ 150; Phthalic acid, diallyl ester 150 ~ 200; Nonionic emulsifier 50 ~ 60; Anionic emulsifier 5 ~ 10; Nonionic surface active agent 3 ~ 10; Neutralizing agent 3 ~ 5; 10% persulfate aqueous solution 20 ~ 35.
2. the ACRYLIC EMULSION for laser hologram information-recording material according to claim 1, it is characterized in that: described neutralizing agent is selected from following one or more: N,N-DMAA, triethylamine, dimethylethanolamine, ammoniacal liquor, sodium hydroxide, potassium hydroxide.
3. the ACRYLIC EMULSION for laser hologram information-recording material according to claim 1, is characterized in that: described nonionic emulsifier is Vinlub.
4., according to claim 1 for a preparation method for the ACRYLIC EMULSION of laser hologram information-recording material, it is characterized in that described preparation method comprises the steps:
(1) by monomers whole in raw material, nonionic surface active agent, 1/2 deionized water, 1/2 anionic emulsifier mixing, emulsification 20-40 minute, obtains pre-emulsion;
(2) in the reactor that agitator, rinser, temperature regulator and reflux exchanger are housed, add residue deionized water and be heated to 85 ± 5 DEG C, then 10% persulfate aqueous solution is added, pre-emulsion and the residual emulsifier of above-mentioned preparation is added immediately in 3-5 hour, temperature of reaction remains on 85 ± 5 DEG C, then whole system is carried out reaction 2h again at 90 DEG C, obtained dispersion liquid is cooled to 25 DEG C, add neutralizing agent adjust ph to 7 ~ 8, filtering net leaches, obtained oyster white dispersion liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310309380.2A CN103360541B (en) | 2013-07-23 | 2013-07-23 | Acrylic acid emulsion for laser holographic information record material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310309380.2A CN103360541B (en) | 2013-07-23 | 2013-07-23 | Acrylic acid emulsion for laser holographic information record material and preparation method thereof |
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| CN103360541A CN103360541A (en) | 2013-10-23 |
| CN103360541B true CN103360541B (en) | 2015-05-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881508B (en) * | 2014-04-02 | 2016-04-27 | 武汉华工图像技术开发有限公司 | A kind of embossed holographic information-recording material |
| CN112300345A (en) * | 2020-11-02 | 2021-02-02 | 深圳市裕同包装科技股份有限公司 | Method for preparing holographic recording layer of laser holographic photoetching material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667006A (en) * | 2009-09-25 | 2010-03-10 | 武汉科技学院 | Novel optical holographic recording material and preparation method |
| CN101717611A (en) * | 2009-11-20 | 2010-06-02 | 中钞特种防伪科技有限公司 | Aqueous hot stamping glue, and applications and preparation method thereof |
| CN102060954A (en) * | 2010-11-23 | 2011-05-18 | 广州慧谷化学有限公司 | Acrylic emulsion as well as preparation method and application thereof |
| CN102463758A (en) * | 2010-11-12 | 2012-05-23 | 武汉华工图像技术开发有限公司 | Holographic anti-counterfeiting hot stamping film and preparation method thereof |
| CN102676094A (en) * | 2011-02-25 | 2012-09-19 | 日东电工株式会社 | Removable water-dispersible acrylic pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet |
| CN102838952A (en) * | 2012-09-12 | 2012-12-26 | 北京高盟新材料股份有限公司 | Water-soluble cigarette packet laser transferring glue and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3914211B2 (en) * | 2004-03-03 | 2007-05-16 | 株式会社東芝 | Hologram recording medium |
-
2013
- 2013-07-23 CN CN201310309380.2A patent/CN103360541B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667006A (en) * | 2009-09-25 | 2010-03-10 | 武汉科技学院 | Novel optical holographic recording material and preparation method |
| CN101717611A (en) * | 2009-11-20 | 2010-06-02 | 中钞特种防伪科技有限公司 | Aqueous hot stamping glue, and applications and preparation method thereof |
| CN102463758A (en) * | 2010-11-12 | 2012-05-23 | 武汉华工图像技术开发有限公司 | Holographic anti-counterfeiting hot stamping film and preparation method thereof |
| CN102060954A (en) * | 2010-11-23 | 2011-05-18 | 广州慧谷化学有限公司 | Acrylic emulsion as well as preparation method and application thereof |
| CN102676094A (en) * | 2011-02-25 | 2012-09-19 | 日东电工株式会社 | Removable water-dispersible acrylic pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet |
| CN102838952A (en) * | 2012-09-12 | 2012-12-26 | 北京高盟新材料股份有限公司 | Water-soluble cigarette packet laser transferring glue and preparation method thereof |
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Effective date of registration: 20161024 Address after: 101116 Beijing City, Taiwan town Tongzhou District village to the west of Taiwan Lake Patentee after: BEIJING LIMADUN PACIFIC PACKAGING CO., LTD. Patentee after: Wuhan Huagong Image Technology & Development Co., Ltd. Address before: 430223 East Lake Hubei New Technology Development Zone, Wuhan, Hunan Province, Huazhong University of Science and Technology science and Technology Park, Chinese laborers image Park Patentee before: Wuhan Huagong Image Technology & Development Co., Ltd. |
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Effective date of registration: 20191118 Address after: 432800 Chengguan Town Industrial Park, Dawu County, Xiaogan City, Hubei Province Patentee after: HUBEI ZHONGXIN JINGHUA COLOR PRINTING CO., LTD. Address before: 430223 Wuhan East Lake New Technology Development Zone, Hubei Patentee before: Wuhan Huagong Image Technology & Development Co., Ltd. |
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Effective date of registration: 20200416 Address after: 430223 Hubei city of Wuhan province East Lake Development Zone China Science and Technology Park Patentee after: WUHAN HUAGONG IMAGE TECHNOLOGY & DEVELOPMENT Co.,Ltd. Address before: 432800 Chengguan Town Industrial Park, Dawu County, Xiaogan City, Hubei Province Patentee before: HUBEI JINGHUA COLOR PRINTING Co.,Ltd. |