阅读说明：本技术 一种水转印全息防伪花纸及其印制方法 (Water transfer printing holographic anti-counterfeiting stained paper and printing method thereof ) 是由 金继忍 梅新春 于 2020-05-18 设计创作，主要内容包括：本发明公开一种水转印全息防伪花纸,全息防伪花纸包括水转印纸、可撕膜和印刷原料；一种水转印全息防伪花纸的印制方法包括以下步骤：S1：选择水转印纸,S2：全息防伪图案设计,S3：菲林片制作,S4：制作全息防伪图案丝印网版,S5：底油涂布,S6：采用S4中制作的全息防伪图案丝印网版,S7：油墨印刷,S8：干燥烫金底墨,S9：转印烫金,S10：不需要烫金的图案,S11：面油干燥。本发明防伪花纸采用醇类/水稀释对UV防爆底油进行稀释,在不影响正常使用的条件下,醇类/水的挥发速度大于UV防爆底油的挥发速度,有利于底油的干燥,降低底油成本；在干燥后在底层上印刷隔离膜,避免在干燥后油墨脱离,确保产品的品质。(The invention discloses a water transfer printing holographic anti-counterfeiting stained paper, which comprises water transfer printing paper, a tearable film and printing raw materials; a printing method of water transfer printing holographic anti-counterfeiting stained paper comprises the following steps: s1: selecting water transfer paper, S2: holographic security pattern design, S3: film preparation, S4: manufacturing a holographic anti-counterfeiting pattern silk-screen printing plate, S5: base coat application, S6: adopting the holographic anti-counterfeiting pattern silk-screen printing plate manufactured in S4, S7: ink printing, S8: drying the gold stamping base ink, S9: transfer gold stamping, S10: pattern not requiring bronzing, S11: drying the surface oil. The anti-counterfeiting stained paper disclosed by the invention is used for diluting the UV anti-explosion base oil by adopting alcohol/water dilution, and the volatilization speed of the alcohol/water is greater than that of the UV anti-explosion base oil under the condition of not influencing normal use, so that the drying of the base oil is facilitated, and the cost of the base oil is reduced; and after drying, an isolation film is printed on the bottom layer, so that ink is prevented from being separated after drying, and the quality of a product is ensured.)

1. The utility model provides a holographic anti-fake stained paper of water transfer printing which characterized in that, holographic anti-fake stained paper includes water transfer printing paper, can tear film and printing raw materials, can tear the film and include according to part by weight: 6-10 parts of a shrinkage agent and 4-8 parts of a viscosity reducer;

the printing raw materials comprise the following components in parts by weight: 80-90 parts of UV explosion-proof base oil, 80-85 parts of gold stamping base ink, 80-90 parts of blue ink, 85-95 parts of red ink, 75-85 parts of surface oil, 20-30 parts of UV resin and 40-45 parts of isolating resin;

the UV explosion-proof base oil comprises, by weight, 10-14 parts of a first diluent, 2-4 parts of a base oil auxiliary agent and 70-82 parts of acrylate;

the red ink and the blue ink respectively comprise 6 to 10 parts of second thinner and 0.5 to 1.5 parts of gloss oil according to parts by weight;

the flour oil comprises 4-6 parts of flour oil auxiliary agent, 8-12 parts of second diluent and 4-8 parts of flour oil leveling agent in parts by weight;

the UV resin comprises, by weight, 10-14 parts of unsaturated polyester, 6-10 parts of epoxy acrylate, 12-16 parts of polyurethane acrylate, 18-22 parts of polyester acrylate, 5-10 parts of polyether acrylate, 8-12 parts of acrylic resin, 15-20 parts of epoxy resin and 20-24 parts of organic silicon oligomer;

the isolation resin comprises the following components in parts by weight: 35-75 parts of prepolymer, 10-30 parts of diluent, 15-80 parts of formaldehyde solution, 5-35 parts of surface modified nano particles, 0.5-4 parts of photoinitiator, 6-12 parts of ethyl acrylate, 8-14 parts of acrylic acid and 0-4 parts of other auxiliary agents.

2. The water transfer printing holographic anti-counterfeiting stained paper according to claim 1, wherein the UV anti-explosion base oil is diluted by alcohol/water before use, and the dilution ratio is that the UV anti-explosion base oil: alcohol/water ratio is 0.8-1.2:0.7-1, and the mixture is stirred uniformly for use.

3. The water transfer printing holographic anti-counterfeiting stained paper according to claim 1, wherein the UV resin is used at a temperature of 30-35 ℃.

4. A printing method of water transfer printing holographic anti-counterfeiting stained paper is characterized by comprising the following steps:

s1: selective water transfer paper

Cutting the water transfer printing paper according to the product specification;

s2: holographic anti-counterfeiting pattern design

Utilizing a computer to design and manufacture pictures and texts;

s3: preparation of film

Manufacturing patterns with different colors according to S2, and manufacturing film sheets respectively according to the method for manufacturing the same film sheets with different colors;

s4: screen printing plate for making holographic anti-fake pattern

Manufacturing a holographic anti-counterfeiting pattern silk-screen printing plate according to the number of the film, wherein gold patterns need to be subjected to gold stamping, and red and blue patterns do not need to be subjected to gold stamping;

s5: primer coating

Uniformly coating a layer of UV (ultraviolet) explosion-proof base oil on the water transfer printing paper;

s6: printing blue ink on the water transfer paper by adopting the holographic anti-counterfeiting pattern silk-screen printing plate manufactured in the S4, and then printing a layer of isolation resin with a protection effect to prevent the blue ink from falling off on the water transfer paper;

s7: ink printing

Printing red ink on the isolating resin in the S5 by using UV resin by using the screen printing plate manufactured in the S4 to form gold stamping bottom ink;

s8: dry gold stamping base ink

Carrying out photocuring on the UV resin under ultraviolet irradiation, wherein the photocuring speed is 3500-;

s9: transfer printing gold stamping

Transferring the electrochemical aluminum foil with the holographic anti-counterfeiting characters and the holographic anti-counterfeiting patterns onto the UV resin obtained in S7 by using a stamping machine;

s10: pattern without gold stamping

Printing patterns which do not need to be subjected to gold stamping on water transfer printing paper by adopting the silk-screen printing plate manufactured in the S4 and adopting common water transfer printing ink, and uniformly coating a layer of surface oil;

s11: drying the flour oil

Carrying out photocuring drying by using an ultraviolet curing machine;

s12: tearable film coating

And uniformly coating a layer of tearable film on the dried surface oil.

5. The printing method of the water transfer printing holographic anti-counterfeiting decal paper according to claim 4, wherein the drying time of the coating oil in the S5 is 20-26 hours, and the drying temperature is 28-38 ℃.

6. The printing method of the water transfer printing holographic anti-counterfeiting decal paper according to claim 4, wherein the drying time is 10-14 hours after the printing in S6, and the drying temperature is 35-40 ℃.

7. The method for printing the water transfer printing holographic anti-counterfeiting decal paper as claimed in claim 4, wherein the transfer printing gold in S9 is transferred onto the UV resin at a temperature of 100 ℃ and 140 ℃ and under four standard atmospheric pressures.

8. The printing method of water transfer printing holographic anti-counterfeiting decal paper according to claim 4, wherein the wavelength of ultraviolet rays when the top oil is dried in S11 is 200-555nm, and the curing time is 2S-10S.

Technical Field

The invention relates to anti-counterfeiting stained paper and a printing method thereof, in particular to water transfer printing holographic anti-counterfeiting stained paper and a printing method thereof.

Background

The stained paper is a kind of craft paper with printed pattern on the surface of base paper, and has three kinds of paper, including butyral film paper, coarse underglaze stained paper, water transfer stained paper, etc. according to the paper property. In the process of printing of stained paper in the prior art, the time consumed by drying is long, the production efficiency is influenced, the production benefit is reduced, the printing ink is not completely dried due to short drying time, the printing effect is influenced, the anti-counterfeiting purpose cannot be achieved, the stained paper is extremely easy to counterfeit, the further operation is performed on the dried bottom layer, and the printing ink is extremely easy to separate from the water transfer paper, so that the product quality is influenced.

Disclosure of Invention

The invention aims to provide water transfer printing holographic anti-counterfeiting stained paper and a printing method thereof, wherein alcohol/water dilution is adopted to dilute UV (ultraviolet) anti-explosion base oil, and under the condition of not influencing normal use, the volatilization speed of the alcohol/water is greater than that of the UV anti-explosion base oil, so that the drying of the base oil is facilitated, and the cost of the base oil is reduced; and after drying, an isolation film is printed on the bottom layer, so that ink is prevented from being separated after drying, and the quality of a product is ensured.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a holographic anti-fake stained paper of water transfer printing, holographic anti-fake stained paper includes water transfer printing paper, can tear film and printing raw materials, can tear the film and include according to parts by weight: 6-10 parts of a shrinkage agent and 4-8 parts of a viscosity reducer.

The printing raw materials comprise the following components in parts by weight: 80-90 parts of UV explosion-proof base oil, 80-85 parts of gold stamping base ink, 80-90 parts of blue ink, 85-95 parts of red ink, 75-85 parts of surface oil, 20-30 parts of UV resin and 40-45 parts of isolating resin.

The UV explosion-proof base oil comprises, by weight, 10-14 parts of a first diluent, 2-4 parts of a base oil auxiliary agent and 70-82 parts of acrylate.

The red ink and the blue ink respectively comprise 6 to 10 parts of second thinner and 0.5 to 1.5 parts of gloss oil according to parts by weight.

The flour oil comprises, by weight, 4-6 parts of a flour oil additive, 8-12 parts of a second diluent and 4-8 parts of a flour oil leveling agent.

The UV resin comprises, by weight, 10-14 parts of unsaturated polyester, 6-10 parts of epoxy acrylate, 12-16 parts of polyurethane acrylate, 18-22 parts of polyester acrylate, 5-10 parts of polyether acrylate, 8-12 parts of acrylic resin, 15-20 parts of epoxy resin and 20-24 parts of organic silicon oligomer.

The isolation resin comprises the following components in parts by weight: 35-75 parts of prepolymer, 10-30 parts of diluent, 15-80 parts of formaldehyde solution, 5-35 parts of surface modified nano particles, 0.5-4 parts of photoinitiator, 6-12 parts of ethyl acrylate, 8-14 parts of acrylic acid and 0-4 parts of other auxiliary agents.

Further, the UV explosion-proof base oil is diluted by alcohol/water before use, and the diluted ratio is that the UV explosion-proof base oil: alcohol/water ratio is 0.8-1.2:0.7-1, and the mixture is stirred uniformly for use.

Further, the using temperature of the UV resin is 30-35 ℃.

A printing method of water transfer printing holographic anti-counterfeiting stained paper comprises the following steps:

s1: selective water transfer paper

And cutting the water transfer printing paper according to the product specification.

S2: holographic anti-counterfeiting pattern design

And designing and manufacturing the pictures and texts by using a computer.

S3: preparation of film

And (5) manufacturing patterns with different colors according to S2, and manufacturing the film sheets respectively according to the method for manufacturing the same film sheets with different colors.

S4: screen printing plate for making holographic anti-fake pattern

And manufacturing the holographic anti-counterfeiting pattern silk-screen printing plate according to the number of the film, wherein gold patterns need to be subjected to gold stamping, and red and blue patterns do not need to be subjected to gold stamping.

S5: primer coating

And uniformly coating a layer of UV (ultraviolet) explosion-proof base oil on the water transfer printing paper.

S6: and printing the blue ink on the water transfer printing paper by adopting the holographic anti-counterfeiting pattern silk-screen printing plate manufactured in the S4, and then printing a layer of isolation resin with a protection effect to prevent the blue ink from falling off on the water transfer printing paper.

S7: ink printing

Using the screen printing plate manufactured in S4, the red ink was printed on the release resin in S5 using UV resin to form a bronzing base ink.

S8: dry gold stamping base ink

The UV resin is photo-cured under the irradiation of ultraviolet rays, and the photo-curing speed is 3500-.

S9: transfer printing gold stamping

And (4) transferring the electrochemical aluminum foil with the holographic anti-counterfeiting characters and the holographic anti-counterfeiting patterns onto the UV resin obtained in the step S7 by using a stamping machine.

S10: pattern without gold stamping

And (5) adopting the silk-screen printing plate manufactured in the S4, adopting common water transfer printing ink, and printing the pattern which does not need to be gilded on the water transfer printing paper to uniformly coat a layer of surface oil.

S11: drying the flour oil

And (4) carrying out photocuring drying by using an ultraviolet curing machine.

S12: tearable film coating

And uniformly coating a layer of tearable film on the dried surface oil.

Further, the base oil in the S5 is dried for 20-26 hours after being coated, and the drying temperature is 28-38 ℃.

Further, after printing in the S6, drying is carried out for 10-14 hours, and the drying temperature is 35-40 ℃.

Further, the transfer bronzing in S9 is transferred onto the UV resin at 100-140 ℃ and four standard atmospheric pressures.

Further, the wavelength of ultraviolet light when the top oil is dried in S11 is 200-555nm, and the curing time is 2S-10S.

The invention has the beneficial effects that:

1. the anti-counterfeiting stained paper disclosed by the invention is used for diluting the UV anti-explosion base oil by adopting alcohol/water dilution, and the volatilization speed of the alcohol/water is greater than that of the UV anti-explosion base oil under the condition of not influencing normal use, so that the drying of the base oil is facilitated, and the cost of the base oil is reduced;

2. the printing method of the anti-counterfeiting stained paper prints the isolation film on the bottom layer after drying, avoids ink separation after drying, and ensures the quality of products.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.