CN103555105B - The holographic transfer coatings composition and method of making the same of environment-friendly type anti-copying - Google Patents
The holographic transfer coatings composition and method of making the same of environment-friendly type anti-copying Download PDFInfo
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- CN103555105B CN103555105B CN201310508268.1A CN201310508268A CN103555105B CN 103555105 B CN103555105 B CN 103555105B CN 201310508268 A CN201310508268 A CN 201310508268A CN 103555105 B CN103555105 B CN 103555105B
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Abstract
The present invention relates to the holographic transfer coatings composition and method of making the same of a kind of environment-friendly type anti-copying; Described coating composition comprises each component of following weight percent content: aqueous acrylic emulsion 30 ~ 65%, aqueous polyurethane 20 ~ 50%, water-soluble polymer 2 ~ 10%, deionized water 4.7 ~ 15%, ethanol 5 ~ 15%, defoamer 0.1 ~ 0.5%, flow agent 0.2 ~ 0.5%.The resin that coating composition of the present invention adopts is aqueous acrylic emulsion, aqueous polyurethane and water-soluble polymer, and adopting deionized water and ethanol as solvent, is a kind of environmentally friendly extra package coating; In addition, in the present invention, the existence of certain proportion water-soluble polymer ensures this coating acid-alkali-corrosive-resisting, its surface is obviously destroyed through the security pattern of special processing, reaches anti-copying effect.
Description
Technical field
The invention belongs to paint field, be specifically related to the holographic transfer coatings composition and method of making the same of a kind of environment-friendly type anti-copying.
Background technology
Traditional holographic laser anti-counterfeit package transfer coatings, adopts acrylic resin, urethane resin, celluosic resin, vinyl chloride-vinyl acetate resin more, plays decoration function at plated surface last layer metallic aluminium.Conventional photographic anti-counterfeit package transfer coatings, all adopts oleoresin as filmogen, use be all organic solvent, there is on the one hand certain potential safety hazard, environment be unfriendly, larger to operator's harm; Because of it, there is extremely strong acid-alkali-corrosive-resisting on the other hand, very easily carved again by reprint, lose false proof provide protection.
Summary of the invention
The object of the invention is to overcome the defect existed in prior art, provide a kind of environment-friendly type anti-copying holographic transfer coatings composition and method of making the same.
The object of the invention is to be achieved through the following technical solutions:
First aspect, the present invention relates to the holographic transfer coatings composition of a kind of environment-friendly type anti-copying, described coating composition comprises each component of following weight percent content:
Preferably, described coating composition comprises each component of following weight percent content:
Preferably, described aqueous acrylic emulsion is the mixing of self-crosslinking acrylic emulsion, pure acrylic acid copolymer emulsion, anionic acrylic emulsion a kind of or two kinds.
Preferably, described aqueous polyurethane is the mixing of polyesterpolyol polyurethane, negatively charged ion aliphatic polyurethane, polybutadiene diol urethane a kind of or two kinds.
Preferably, described water-soluble polymer is one or both the mixing in semi-synthetic aqueous high molecular, synthesizing water-solubility polymer.
Preferably, described semi-synthetic aqueous high molecular is carboxymethyl starch, starch acetates, Walocel MT 20.000PV or carboxymethyl cellulose; Described synthesizing water-solubility polymer is polyacrylamide (PAM), hydro-polyacrylamide (HPAM), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polyvinyl butyral acetal or sodium polyacrylate.
Preferably, described defoamer is the one in BYK141, BYK070, BYK080 of Bi Ke chemical company.
Preferably, described flow agent is the one in BYK333, BYK-UV3500, Tego435 of Bi Ke chemical company.
Second aspect, the invention still further relates to the preparation method of the holographic transfer coatings of above-mentioned environment-friendly type anti-copying, comprises the steps:
A, described deionized water and ethanol fully to be mixed, heat to 40 ~ 60 DEG C, stir 10 ~ 30min;
B, add described aqueous acrylic emulsion, aqueous polyurethane, aqueous high molecular, stir more than 30min;
C, add described defoamer and flow agent again, fully stir, obtain the holographic transfer coatings composition of described environment-friendly type anti-copying.
The resin that coating composition of the present invention adopts is aqueous acrylic emulsion, aqueous polyurethane and water-soluble polymer, and adopting deionized water and ethanol as solvent, is a kind of environmentally friendly extra package coating.The existence of certain proportion water-soluble polymer ensures this coating acid-alkali-corrosive-resisting in addition, its surface is obviously destroyed through the security pattern of special processing, reaches anti-copying effect.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention adopts cheap aqueous acrylic emulsion and aqueous polyurethane as matrix resin, the advantage such as ensure the high gloss of filmogen, quick-drying, water-fast, oil resistant, heat-resisting, consistency is good;
(2) aqueous polyurethane that adopts of the present invention and aqueous acrylic emulsion take water as solvent, and adopt water and ethanol as solvent, be a kind of pollution-free, odorlessness, safe and reliable, environmentally friendly coating simultaneously.
(3) existence that coating of the present invention adds certain proportion water-soluble polymer makes the acid-alkali-corrosive-resisting of this coating poor, its surface is obviously destroyed through the security pattern of special processing, reaches anti-copying effect.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
comparative example 1
What comparative example 1 related to is conventional photographic anti-counterfeit package transfer coatings, its preparation method is specially: get each component respectively according to the weight percent content shown in table 1, ethyl acetate, first ethyl butyl ketone and n-propyl acetate solvent first will be gone fully to mix, again acrylic resin, vinyl chloride-vinyl acetate resin, urethane are added in reactor, stir more than 30min; Finally add auxiliary agent B YK-UV3500 again, fully stir more than 30min, to obtain final product.
Table 1
| Comparative example 1 | Component | Concrete material | Content |
| 1 | Acrylic resin | Methacrylic resin, acrylic resin | 15％ |
| 2 | Vinyl chloride-vinyl acetate resin | Vinyl chloride-vinyl acetate resin | 5％ |
| 3 | Urethane | Polyether-polyurethane | 2％ |
| 4 | Ethyl acetate | Ethyl acetate | 27.9％ |
| 5 | First ethyl butyl ketone | First ethyl butyl ketone | 25％ |
| 6 | N-propyl acetate | N-propyl acetate | 25％ |
| 7 | Auxiliary agent | BYK--UV3500 | 0.1％ |
embodiment 1 ~ 4
Embodiment 1 ~ 4 each provides the holographic transfer coatings of the environment-friendly type anti-copying applying to extra package, its preparation method is specially: get each component respectively according to the weight percent content shown in table 2 ~ 5, first deionized water and alcohol solvent are fully mixed, heat to 40 ~ 60 DEG C, stir 10 ~ 30min, again by aqueous acrylic emulsion, aqueous polyurethane, aqueous high molecular, add in reactor, stir more than 30min; Finally add defoamer and flow agent again, fully stir, to obtain final product.
Table 2
| Embodiment 1 | Component | Concrete material | Content |
| 1 | Aqueous acrylic emulsion | Self-crosslinking acrylic emulsion, pure-acrylic emulsion | 30％ |
| 2 | Aqueous polyurethane | Polyesterpolyol polyurethane | 50％ |
| 3 | Water-soluble polymer | Polyvinyl alcohol, Natvosol | 10％ |
| 4 | Solvent | Deionized water | 4.7％ |
| 5 | Ethanol | 5％ | |
| 6 | Defoamer | The BYK141 of Bi Ke chemical company | 0.1％ |
| 7 | Flow agent | BYK--UV3500 | 0.2％ |
Table 3
Table 4
Table 5
embodiment 5, performance verification
The product that comparative example 1 obtains is coated PET, is placed in baking oven baking and curing, obtain special-effect pattern through simple mold pressing, aluminize.Implementation result: test it under different acid-base condition, after metallic aluminum is cleaned completely, observes the destructiveness of the special processing pattern on coating, as shown in table 6:
Table 6
| Test condition | 20％NaOH*25℃ | 20％NaOH*50℃ | 20％NaOH*25℃ | 20％H 2SO 4*25℃ |
| Destructiveness | Pattern is complete not to be destroyed | Pattern is complete not to be destroyed | Pattern is complete not to be destroyed | Pattern is complete not to be destroyed |
The product that embodiment 1 ~ 4 obtains is used according to the following steps, comprises the steps: to coat PET, be placed in baking oven baking and curing, obtain special-effect pattern through simple mold pressing, aluminize.Implementation result: test it under different acid-base condition, after metallic aluminum is cleaned completely, observe the destructiveness of the special processing pattern on coating: as shown in table 7:
Table 7
| Test condition | 20％NaOH*25℃ | 20％NaOH*50℃ | 20％NaOH*25℃ | 20％H 2SO 4*25℃ |
| Embodiment 1 | Pattern collapses 50% | Pattern collapses 55% | Pattern collapses 20% | Pattern collapses 20% |
| Embodiment 2 | Pattern collapses 25% | Pattern collapses 30% | Pattern collapses 15% | Pattern collapses 20% |
| Embodiment 3 | Pattern collapses 80% | Pattern collapses 85% | Pattern collapses 50% | Pattern collapses 50% |
| Embodiment 4 | Pattern collapses 50% | Pattern collapses 60% | Pattern collapses 20% | Pattern collapses 25% |
Compared by comparative example 1 and embodiment 1 ~ 4, can find out, the effect of embodiment is all better than comparative example 1, comparative example 1, adopts acrylic resin, vinyl chloride-vinyl acetate resin as film forming main substance, this film-forming polymer, special effect pattern is obtained through mold pressing, under certain acidic conditions, after aluminium lamination is washed away completely, due to the strong acid-proof alkaline of acrylic resin and celluosic resin, special effect pattern has not a particle of destruction, make rival, by simple means, special effect pattern can be stolen, replicated product.And the present invention adopts aqueous acrylic emulsion and waterborne polyurethane resin to be matrix resin system, introduce water-soluble polymer simultaneously, make after aluminium lamination is washed away completely, filmogen also has destruction in various degree, so destruction special effect pattern, rival is made to be difficult to steal the pattern of special processing, imitation products.Wherein embodiment 3 is under different acid-base condition, and the degree that special effect pattern is destroyed is all maximum, therefore elects preferred embodiment as.
Tradition relatively, the maximum bright spot of the present invention adds certain proportion water-soluble polymer while maintenance is based on vinylformic acid and urethane resin, make the acid-alkali-corrosive-resisting of holographic dope relatively poor, thus ensure that holographic information also has damage to a certain degree while breakdown of coating, be difficult to be replicated; Coating of the present invention adopts cheap aqueous acrylic emulsion and aqueous polyurethane as matrix resin in addition, the advantage such as ensure high gloss, quick-drying, the oil resistant of filmogen, heat-resisting, consistency is good; And aqueous polyurethane and aqueous acrylic emulsion take water as solvent, also adopting deionized water and ethanol as solvent in system of the present invention, is a kind of pollution-free, odorlessness, safe and reliable, environmentally friendly coating.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. the holographic transfer coatings composition of environment-friendly type anti-copying, it is characterized in that, described coating composition is made up of each component of following weight percent content:
Aqueous acrylic emulsion 30 ~ 65%,
Aqueous polyurethane 20 ~ 50%,
Water-soluble polymer 2 ~ 10%,
Deionized water 4.7 ~ 15%,
Ethanol 5
~15%,
Defoamer 0.1
~0.5%,
Flow agent 0.2
~0.5%;
Described water-soluble polymer is one or both the mixing in semi-synthetic aqueous high molecular, synthesizing water-solubility polymer; Described semi-synthetic aqueous high molecular is carboxymethyl starch, starch acetates, Walocel MT 20.000PV or carboxymethyl cellulose; Described synthesizing water-solubility polymer is polyacrylamide, hydro-polyacrylamide, polyvinylpyrrolidone, polyvinyl alcohol, polyvinyl butyral acetal or sodium polyacrylate;
Described aqueous acrylic emulsion is the mixing of self-crosslinking acrylic emulsion, pure acrylic acid copolymer emulsion, anionic acrylic emulsion a kind of or two kinds;
Described aqueous polyurethane is a kind of in polyesterpolyol polyurethane, negatively charged ion aliphatic polyurethane, polybutadiene diol urethane or two kinds mixing.
2. the holographic transfer coatings composition of environment-friendly type anti-copying according to claim 1, it is characterized in that, described coating composition is made up of each component of following weight percent content:
Aqueous acrylic emulsion 45%,
Aqueous polyurethane 25%,
Water-soluble polymer 5%,
Deionized water 12%,
Ethanol 12.6%,
Defoamer 0.15%,
Flow agent 0.25%.
3. the holographic transfer coatings composition of environment-friendly type anti-copying according to claim 1 and 2, it is characterized in that, described defoamer is BYK141, BYK070 or BYK080 of Bi Ke chemical company.
4. the holographic transfer coatings composition of environment-friendly type anti-copying according to claim 1 and 2, it is characterized in that, described flow agent is BYK333, BYK-UV3500 or Tego435 of Bi Ke chemical company.
5. a preparation method for the holographic transfer coatings composition of environment-friendly type anti-copying according to claim 1, it is characterized in that, described preparation method comprises the steps:
A, described deionized water and ethanol fully to be mixed, heat to 40 ~ 60 DEG C, stir 10 ~ 30min;
B, add described aqueous acrylic emulsion, aqueous polyurethane, water-soluble polymer, stir more than 30min;
C, add described defoamer and flow agent again, fully stir, obtain the holographic transfer coatings composition of described environment-friendly type anti-copying.
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| CN104592812B (en) * | 2014-12-26 | 2017-03-15 | 上海乘鹰新材料有限公司 | A kind of alcohol-soluble and water-soluble transfer coatings and preparation method thereof |
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| CN110105861B (en) * | 2019-06-03 | 2021-05-18 | 云南玉溪东魅包装材料有限公司 | Full-aqueous release coating for electrochemical aluminum hot stamping foil and preparation method thereof |
| CN114302937A (en) * | 2019-09-03 | 2022-04-08 | 泰国聚乙烯有限公司 | Water-based barrier adhesives |
| CN114395271A (en) * | 2022-01-18 | 2022-04-26 | 四川省宜宾普拉斯包装材料有限公司 | Anti-copy material, film layer and anti-copy film thereof |
| CN117363190B (en) * | 2023-10-30 | 2024-08-02 | 四川省宜宾普拉斯包装材料有限公司 | Anti-copying film-forming coating composition and preparation method thereof |
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