CN102786840A - Optically-variable ink for screen printing - Google Patents

Optically-variable ink for screen printing Download PDF

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CN102786840A
CN102786840A CN2012102978700A CN201210297870A CN102786840A CN 102786840 A CN102786840 A CN 102786840A CN 2012102978700 A CN2012102978700 A CN 2012102978700A CN 201210297870 A CN201210297870 A CN 201210297870A CN 102786840 A CN102786840 A CN 102786840A
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magnetic
optically
screen printing
variable
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CN2012102978700A
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姚卫
孙明珠
孟庆飞
张世范
张妤
徐莹
杨鹏
袁国林
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中国印钞造币总公司
中钞油墨有限公司
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Publication of CN102786840A publication Critical patent/CN102786840A/en

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Abstract

The invention provides an optically-variable ink for screen printing, which is prepared from the following components by weight: 5-20 parts of magnetic layered optically-variable pigment, 5-20 parts of magnetic liquid crystal pigment, 25-60 parts of ultraviolet-light cured resin, 0-40 parts of organic solvent, 1-10 parts of photoinitiator, 0-3 parts of a leveling agent and 0-3 parts of an antifoaming agent. The optically-variable ink for screen printing contains the magnetic optically-variable pigment, can realize the rolling type optically-variable dynamic characteristic of the printed product on the printing equipment with a magnetic positioning device, is visually recognizable, has an obvious optically-variable effect under the polarizer and has the hidden two-wire anti-counterfeiting characteristic. Therefore, the optically-variable ink for screen printing is the one-wire and two-wire optical anti-counterfeiting (optically-variable and polarized) magnetic positioning anti-counterfeiting ink and can achieve the rolling type optically-variable effect and the circularly-polarized optically-variable properties on the magnetic positioning screen printing equipment.

Description

用于丝网印刷的光变油墨 For screen printing optical variable ink

技术领域 FIELD

[0001] 本发明涉及一种丝网光变油墨,尤其涉及一种具有圆偏振特征的可磁定位的丝网光变油墨。 [0001] The present invention relates to an optically variable screen printing ink, in particular, relates to a magnetically locatable screen having circular polarization characteristics of optically variable ink.

背景技术 Background technique

[0002] 在印刷行业,特别是在防伪印刷领域,光变油墨、液晶油墨作为高端防伪技术,已经在钞票、证件中广泛使用。 [0002] In the printing industry, particularly in the field of security printing, optically variable ink, liquid crystal ink as a high anti-counterfeiting technology, has been widely used in bank notes, the certificates. 随着磁性定位技术在印刷过程中应用,一些具有磁性特征同时具有光学特征的油墨正显示出极佳的一线防伪性能。 With the magnetic positioning technology in the printing process, the ink having a number of magnetic features while having optical characteristic line is showing excellent security performance. 具有磁性特征与光变特征的Sicpa公司的Spark油墨已在推广应用,但该油墨仅有出色的一线光学防伪特征,而无二线偏振光学防伪特征。 Sicpa's characteristics and magnetic optically variable ink features Spark has application, but only excellent ink optical security feature line, second-line without polarizing optical security feature. 因此,在高端防伪领域的应用,具有一定的局限。 Therefore, the high-end applications in the field of security, has certain limitations.

发明内容·· SUMMARY ·

[0003] 本发明的目的在于提供一种用于丝网印刷的光变油墨,以克服现有技术存在的上述缺陷,满足有关领域的需要。 [0003] The object of the present invention to provide an optical variable ink for screen printing, to overcome the above drawbacks of the prior art, the art related needs.

[0004] 本发明所述的丝网光变油墨,由如下重量份数的组分组成制备的: [0004] The screen of the present invention, optically variable ink, prepared from the following components in parts by weight of the composition:

[0005] [0005]

磁性层状光变颜料 5〜20份 Magnetic optically variable pigments layered 5~20 parts

磁性液晶颜料 5〜20份 The magnetic liquid crystal pigments 5~20 parts

紫外光固化树脂 25〜60份 Ultraviolet-curable resin 25~60 parts

有机溶剂 O〜40份 Parts of an organic solvent O~40

光引发剂 I〜10份 Parts photoinitiator I~10

流平剂 O〜3份 O~3 parts of leveling agent

消泡剂 O〜3份 Defoamers O~3 parts

[0006] 优选的,由如下重量份数的组分组成制备的: [0006] Preferably, the components prepared from the following composition by weight:

[0007]磁性层状光变颜料 5〜10份 [0007] The layered magnetic optically variable pigment 5 to 10 parts

磁性液晶颜料 5〜10份 5 to 10 parts of a magnetic liquid crystal pigments

紫外光固化树脂 35〜50份 Ultraviolet-curable resin 35~50 parts

有机溶剂 27〜43.5份 27~43.5 parts of an organic solvent

光引发剂 I〜6f分 Photoinitiator points I~6f

流平剂 I〜0.5份 I~0.5 parts of leveling agent

消泡剂 0〜I份。 Defoamers 0~I copies.

[0008] 所述磁性层状光变颜料为真空蒸镀或溅射制备的五层或七层结构的光变颜料,中·间层(五层结构的第三层或七层结构的第四层)为磁性层,其材料为铁、钴、镍,或其氧化物,钡铁氧体、镍铬合金或钛钴合金,可采用如惠州华阳光学公司牌号为COG的磁性光变颜料产品; [0008] The layered magnetic optically variable pigment is optically variable pigment or a five-layer or seven-layer structure is prepared by vacuum evaporation sputtering, the fourth (the third layer of the five-layer structure or a seven-structure interlayer layer) of a magnetic layer, which material is iron, cobalt, nickel, or oxides, barium ferrite, nickel-chromium alloy, cobalt alloy, or titanium, may be employed as Foryou designation optical magnetic optically variable pigment products COG ;

[0009] 所述磁性液晶颜料为胆留型液晶颜料与磁粉的共混物,或是中间为磁性层两面为液晶层的三层结构磁性液晶颜料。 [0009] The magnetic liquid crystal pigments as bile pigments and left liquid crystal magnetic powder blend, both surfaces of a magnetic layer or an intermediate three-layer structure of the liquid crystal layer of the magnetic liquid crystal pigments.

[0010] 所述胆留型液晶颜料包括但不限于手性甲基脂肪酸、烷烯酸胆留醇酯、胆留醇植物油酸枝或胆留醇苯甲酸酯; [0010] The bladder left liquid crystal pigments include, but are not limited to, chiral methyl fatty acid alkyl esters of the cholesteric, cholesteric or cholesteric wood vegetable benzoate;

[0011] 所述磁粉的材料为铁、钴、镍,或其氧化物,钡铁氧体、镍铬合金、钛钴合金; [0011] The said magnetic powder material is iron, cobalt, nickel, or oxides, barium ferrite, nickel-chromium alloy, titanium, a cobalt alloy;

[0012] 所述磁性液晶颜料优选中国发明CN102529215A的产品; [0012] Preferably the magnetic liquid crystal pigments invention CN102529215A Chinese products;

[0013] 所述紫外光固化树脂为反射率为紫外油墨通用紫外光固化树脂,如可采用BASF公司牌号为Laromer系列的紫外光固化丙烯酸树脂; [0013] The reflectance of the ultraviolet-curable resin is an ultraviolet curable resin UV ink universal, can be used as designation by BASF Laromer series UV-curable acrylic resin;

[0014] 所述有机溶剂为丝网油墨通用的醇类或酯类溶剂或其混合物,优选的为乙二醇乙醚醋酸酯、丙酸一3 —乙醚乙酯或丙二醇甲醚醋酸酯中的一种以上; [0014] The organic solvent is an alcohol general screen ink or an ester solvent or mixtures thereof, preferably ethylene glycol ethyl ether acetate, a propionate, 3 - ether acetate or propylene glycol methyl ether acetate in a species above;

[0015] 所述光引发剂、流平剂和消泡剂均为紫外固化丝网油墨通用助剂; The [0015] photoinitiators, leveling agents and defoamers are common UV curable screen ink additives;

[0016] 所述光引发剂选自BASF公司的I-羟基环己基苯基酮、2,4,6 (三甲基苯甲酰基)二苯基氧化勝、2-轻基-2-甲基-I-苯基丙酮; [0016] The photoinitiator is selected from BASF I- hydroxycyclohexyl phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide wins, 2-methyl-2- light -I- phenyl acetone;

[0017] 所述流平剂选自华夏助剂的聚醚改性聚二甲基硅氧烷、芳烷基改性的聚甲基烷基硅氧烷溶液、有机改性聚硅氧烷溶液; [0017] The leveling agent is selected from China auxiliary polyether-modified polydimethylsiloxanes, aralkyl-modified methylalkylpolysiloxane solution, the organic modified polysiloxane solution ;

[0018] 所述消泡剂选自华夏助剂不含有机硅的破泡聚合物溶液、破泡聚硅氧烷溶液、破泡物质和聚硅氧烷。 [0018] The defoaming agent is selected from China aids, silicone free foam destroying the polymer solution, a solution of foam destroying polysiloxanes, and silicone defoaming substance.

[0019] 本发明的制备方法如下:将以上材料按油墨配方混合搅拌均匀,优选的加料方式是先将颜料与溶剂混合浸润后,再与其他材料混合均匀,即可获得产品。 [0019] A method of the present invention is as follows: The above material is mixed by stirring ink formulations, the preferred feeding method is first mixed with a solvent pigment wetting, and then evenly mixed with other materials, products can be obtained.

[0020] 本发明有以下优点: [0020] The present invention has the following advantages:

[0021] 本发明的用于丝网印刷的光变油墨,含有磁性光变颜料,可在具有磁性定位装置的印刷设备上实现印品具有滚动光变的动态特征,视觉易于识别,在偏振片下可观察到明显的光变效果,具有隐蔽的二线防伪特征,因此,本发明是一直具有一线与二线光学防伪(光变与偏振)相结合的可磁定位防伪油墨,该油墨可在磁定位丝网印刷设备上实现具有滚动的光彩光变效果和圆偏振变色性能。 [0021] The optically variable screen printing ink for the present invention, comprising a magnetic optically variable pigment, printed materials having realized the dynamic characteristics of the optically variable rolling magnetic positioning means of the printing apparatus, easy visual identification, the polarizer under can be clearly observed optically variable effect, having a concealed wire security feature, therefore, the present invention is to always have the first line and second-line optical security (optically variable polarization) combining magnetically locatable security inks, the ink can be positioned in a magnetic implemented with rolling brilliance and optically variable effect on the performance of the circular polarized color screen printing apparatus.

具体实施方式 Detailed ways

[0022] 实施例I [0022] Example I

[0023]配方: [0023] formula:

[0024] [0024]

磁性层状光变颜料(红变绿) 10份 Layered magnetic optically variable pigment (red to green) 10 parts

磁性液晶颜料(红变绿) 5价 Magnetic liquid crystal pigments (red to green) pentavalent

紫外光固化丙烯酸树脂 35份· UV-curable acrylic resin 35 parts

丙酸一3—乙醚乙酯 43.5份 Acid ether acetate 43.5 parts of a 3-

I-轻基环己基苯基酮 5份 Light I- cyclohexyl phenyl ketone 5 parts

聚醚改性聚二甲基硅氧烷 I份 Polyether-modified polydimethylsiloxane parts I

[0025] [0025]

不含有机硅的破泡聚合物溶液 0.5份 Solution of foam destroying polymers, non-silicone 0.5 parts

[0026] 制备方法: [0026] Preparation:

[0027] 先将磁性层状光变颜料,磁性液晶颜料与丙酸一3 —乙醚乙酯浸润后,再与剩余其他材料搅拌混合均匀。 [0027] The first magnetic layer optically variable pigments, magnetic liquid crystal pigments with a propionic acid 3 - after infiltration ethyl ether, stirred uniformly mixed with the remaining other materials.

[0028] 以上方法制备的油墨在具有磁性定位装置的印刷设备上实现印品具有滚动光变的动态特征,易于识别,同时在偏振片下可观察到明显的光变效果,具有隐蔽的二线防伪特征。 [0028] The ink prepared above method is implemented in a printing apparatus having a magnetic positioning means of the dynamic characteristics of printed materials rolling it becomes light, easily identifiable, while clearly observed optically variable effect under polarizing plate, a wire with a concealed security feature.

[0029] 实施例2 [0029] Example 2

[0030]配方: [0030] formula:

[0031]磁性层状光变颜料(红变绿) 5份 [0031] The layered magnetic optically variable pigment (red to green) 5 parts

磁性液晶颜料(红变绿) 10份 Magnetic liquid crystal pigments (red to green) 10 parts

紫外光固化丙烯酸树脂 50 f分 UV-curable acrylic resin 50 f minutes

丙二醇甲醚醋酸酯 27份 27 parts of propylene glycol methyl ether acetate

2,4,6(三甲基苯甲酰基)二苯基氧化膦6份芳烷基改性的聚甲基烷基硅氧烷溶液I份 2,4,6 (trimethyl benzoyl) diphenyl phosphine oxide in 6 parts of aralkyl-modified methylalkylpolysiloxane parts of a solution of I

破泡聚硅氧烷溶液 I份 Parts of a solution of foam destroying polysiloxanes I

[0032] 先将配方量的磁性层状光变颜料,磁性液晶颜料与HDBE混合二元酸酯浸润后,再与剩余其他材料搅拌混合均匀。 [0032] Formulation amount of the first magnetic layer of optically variable pigments, magnetic liquid crystal pigments mixed with dibasic ester HDBE infiltration, stirred uniformly mixed with the remaining other materials. · ·

[0033] 以上方法制备的油墨在具有磁性定位装置的印刷设备上实现印品具有滚动光变的动态特征,易于识别,同时在偏振片下可观察到明显的光变效果,具有隐蔽的二线防伪特征。 [0033] The ink prepared above method is implemented in a printing apparatus having a magnetic positioning means of the dynamic characteristics of printed materials rolling it becomes light, easily identifiable, while clearly observed optically variable effect under polarizing plate, a wire with a concealed security feature.

Claims (7)

1.用于丝网印刷的光变油墨,其特征在于,由如下重量份数的组分组成制备的: 磁性层状光变颜料 5〜20份磁性液晶颜料 5〜20份紫外光固化树脂 25〜60份有机溶剂 0〜40份光引发剂 I〜10份流平剂 0〜J份消泡剂 0〜3份。 1. A screen printing optically variable ink, characterized in that, prepared from the following components in parts by weight of the composition: a magnetic optically variable pigment layered magnetic liquid crystal pigments 5~20 5~20 parts of ultraviolet-curable resin 25 parts ~ 60 0 to 40 parts of organic solvent parts photoinitiator I~10 leveling agent 0~J parts parts parts defoamer 0~3.
2.根据权利要求I所述的用于丝网印刷的光变油墨,其特征在于,由如下重量份数的组分组成制备的: 磁性层状光变颜料 5〜10份磁性液晶颜料 5〜_10份紫外光固化树脂 35〜50份有机溶剂 28〜30份光引发剂 I〜6份流平剂 I〜0.5份消泡剂 0〜I份。 The optical variable ink for screen printing according to claim I, wherein, prepared from the following components in parts by weight of the composition: a magnetic layer of the magnetic optically variable pigment 5 to 10 parts of liquid crystal pigments -5 to resin parts of 35~50 parts by UV curing organic solvent _10 parts of 28~30 parts photoinitiator I~6 leveling agent I~0.5 parts defoamer 0~I parts.
3.根据权利要求I或2所述的用于丝网印刷的光变油墨,其特征在于,所述磁性层状光变颜料为真空蒸镀或溅射制备的五层或七层结构的光变颜料,中间层为磁性层,其材料为铁、钴、镍,或其氧化物,钡铁氧体、镍铬合金或钛钴合金; 所述磁性液晶颜料为胆留型液晶颜料与磁粉的共混物,或是中间为磁性层两面为液晶层的三层结构磁性液晶颜料,所述磁粉的材料为铁、钴、镍,或其氧化物,钡铁氧体、镍铬合金、钛钴合金。 The I or optical variable ink for screen printing according to claim 2, wherein said magnetic optically variable pigment is layered light five or seven-layer vacuum deposition or sputtering prepared variable pigments, the intermediate layer is a magnetic layer, which material is iron, cobalt, nickel, or oxides, barium ferrite, nickel-chromium alloy, cobalt alloy, or titanium; the magnetic liquid crystal pigments as bile pigments and left liquid crystal magnetic powder blend, the intermediate magnetic layer or three-layer structure on both sides of the liquid crystal layer of the magnetic liquid crystal pigments, said magnetic powder material is iron, cobalt, nickel, or oxides, barium ferrite, nickel-chromium alloy, titanium, cobalt, alloy.
4.根据权利要求3所述的用于丝网印刷的光变油墨,其特征在于,所述胆留型液晶颜料包括但不限于手性甲基脂肪酸、烷烯酸胆留醇酯、胆留醇植物油酸枝或胆留醇苯甲酸酯。 The optical variable ink for screen printing according to claim 3, wherein said bladder to remain liquid crystal pigments include, but are not limited to, chiral methyl fatty acid alkyl esters of the cholesteric, bile left a vegetable oil or wood alcohol cholesteric benzoate.
5.根据权利要求3所述的用于丝网印刷的光变油墨,其特征在于,所述紫外光固化树脂为紫外光固化丙烯酸树脂。 The optical variable ink for screen printing according to claim 3, wherein said ultraviolet-curable resin is an ultraviolet light curable acrylic resins.
6.根据权利要求3所述的用于丝网印刷的光变油墨,其特征在于,所述有机溶剂为为乙二醇乙醚醋酸酯、丙酸一3 —乙醚乙酯或丙二醇甲醚醋酸酯中的一种以上。 The optical variable ink for screen printing according to claim 3, wherein said organic solvent is ethylene glycol ether acetate, a propionate, 3 - ether acetate or propylene glycol methyl ether acetate one or more types.
7.根据权利要求3所述的用于丝网印刷的光变油墨,其特征在于,所述光引发剂选自BASF公司的I-羟基环己基苯基酮、2,4,6 (三甲基苯甲酰基)二苯基氧化膦、2-羟基-2-甲基-I-苯基丙酮;所述流平剂选自华夏助剂的聚醚改性聚二甲基硅氧烷、芳烷基改性的聚甲基烷基硅氧烷溶液、有机改性聚硅氧烷溶液;所述消泡剂选自华夏助剂的不含有机硅的破泡聚合物溶液、破泡聚硅氧烷溶液、破泡物质和聚硅氧烷。 The optical variable ink for screen printing according to claim 3, wherein the photoinitiator is selected from BASF I- hydroxycyclohexyl phenyl ketone, 2,4,6 (trimethylsilyl benzoyl) diphenyl phosphine oxide, 2-methyl-phenyl -I- acetone; the leveling agent is selected from China polyether-modified polydimethylsiloxane aids, aryl alkyl-modified methylalkylpolysiloxane solution, the organic modified polysiloxane solution; the defoaming agent is selected from a solution of foam destroying polymers, silicone free China aids, silicone foam breaking alumoxane solution, foam breaking substance and polysiloxanes.
CN2012102978700A 2012-08-20 2012-08-20 Optically-variable ink for screen printing CN102786840A (en)

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Cited By (7)

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CN104277539A (en) * 2013-07-02 2015-01-14 江苏凯尚节能科技有限公司 Nanometer heat-insulation paint
CN104277539B (en) * 2013-07-02 2017-09-19 江苏中兴博盈商贸集团有限公司 A kind of nanometer heat isolation paint
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