Preparation method of printing type transparent fiber cigarette wrap paper

Abstract

The invention discloses a preparation method of printing type transparent fiber cigarette wrap paper, which comprises the following steps: providing wood pulp cellulose base paper, drying, and coating a layer of polyacrylamide hydrosolvent containing silicon ions on the surface; feeding into a printing machine, and printing water-based ink; after printing is completed, the color layer ink is dried through hot air; wood pulp cellulose base paper is subjected to hot pressing treatment at the temperature of 80-120 DEG C under the pressure of 0.5-5 MPa for 5-30 min, and a layer of polytetrafluoroethylene film is subjected to hot pressing; after hot pressing is completed, the wood pulp cellulose base paper is fed into a hot stamping machine, and one-color gold stamping is conducted on the hot stamping machine; and slitting, punching and warehousing. The transparent effect is provided through the wood pulp cellulose base paper, then the polyacrylamide hydrosolvent layer containing the silicon ions is coated to improve the paper surface strength, the partial area of the surface of the printed matter is transparent and the attractiveness is enhanced by printing ink, and finally the polytetrafluoroethylene film is hot-pressed to protect the outer layer to improve the durability.

Description

Technical Field

[0001] The invention belongs to the technical field of cigarette wrapping paper, and in particular relates to a method for preparing a printed transparent fiber cigarette wrapping paper. Background Art

[0002] In the prior art, cigarette shaping papers are all made of opaque base paper, the internal packaging effect cannot be seen, the format is also stereotyped, lacking in aesthetics and anti-counterfeiting effects, and the market application scenarios are single. Although transparent inks are currently popular, the inks themselves often become unstable during the coloring process, and are prone to precipitation, sedimentation, gelation, etc., so they are not commonly used in the field of transparent shaping papers.

[0003] Therefore, a new type of tipping paper with strong anti-counterfeiting properties, good durability and good transparency is in urgent need of research. Summary of the invention

[0004] In view of this, the technical problem to be solved by the present invention is to provide a method for preparing printed transparent fiber cigarette plugging paper, so as to avoid the problems of conventional tipping paper lacking transparency, poor anti-counterfeiting and poor durability.

[0005] In order to solve the above technical problems, the present invention discloses a method for preparing a printed transparent fiber cigarette wrapping paper, which comprises: Step a. Provide wood pulp cellulose base paper, which is dried and fed into a glue coating machine at a speed of 150-250 m / min, and a layer of polyacrylamide water solvent containing silicon ions is coated on the surface of the wood pulp cellulose base paper, and preheated at 35-45°C; Step b. The wood pulp cellulose base paper is continuously fed into the printing press at a machine speed of 150-250 m / min, and the printing screen roller is printed with 60-120 lines / cm and a depth of 30-45 microns, and the water-based ink is printed with a water-based ink having a ration of 0.1-2.0 g / m2 per layer; Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. hot pressing the wood pulp cellulose base paper at a temperature of 80-120°C, a pressure of 0.5-5MPa, and a time of 5-30min, and hot pressing a layer of polytetrafluoroethylene film; Step e. After the hot pressing is completed, the wood pulp cellulose base paper is fed into the hot stamping machine at a machine speed of 150-250m / min, and a single color hot stamping is performed on the hot stamping machine; Step f. Cutting, punching and storage.

[0006] According to one embodiment of the present invention, the polyacrylamide content in the polyacrylamide water solvent is 15-25%.

[0007] According to one embodiment of the present invention, the aqueous ink is printed in 1 to 4 layers.

[0008] According to one embodiment of the present invention, the polytetrafluoroethylene film is configured as a microporous membrane, and the micropore diameter is 20-300 nm.

[0009] According to one embodiment of the present invention, the polytetrafluoroethylene film is pre-immersed in an organic silicon solution for 2-3 hours before hot pressing.

[0010] According to one embodiment of the present invention, the water-based ink is selected from one of gold, silver, red, orange, yellow, green, blue, purple, and black, or a mixture of the above-mentioned colors in any proportion.

[0011] Compared with the prior art, the present invention can achieve the following technical effects: The wood pulp cellulose base paper is used to provide a transparent effect, and then a layer of polyacrylamide water solvent containing silicon ions is coated to improve the strength of the paper surface. After printing ink, some areas on the surface of the printed product are transparent to enhance the appearance. Finally, a layer of polytetrafluoroethylene film is hot-pressed for outer protection to improve durability.

[0012] Of course, any product implementing the present invention does not necessarily need to achieve all of the above-mentioned technical effects at the same time. DETAILED DESCRIPTION

[0013] The following will describe the implementation methods of the present invention in detail with reference to examples, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0014] The invention discloses a method for preparing a printed transparent fiber cigarette wrapping paper, which comprises: Step a. Provide wood pulp cellulose base paper, and after drying, feed it into a glue coating machine at a machine speed of 150-250m / min, coat a layer of polyacrylamide water solvent containing silicon ions on the surface of the wood pulp cellulose base paper, and preheat it at 35-45°C; the polyacrylamide content in the polyacrylamide water solvent is 15-25%, and the silicon ions combined with the polyacrylamide water solvent can effectively strengthen the wood pulp cellulose base paper, and in the subsequent printing and hot pressing process, it can maintain a high deformation resistance and better product quality.

[0015] Step b. Continue to feed the wood pulp cellulose base paper into the printing machine at a machine speed of 150-250m / min, and print water-based ink with a printing screen roller of 60-120 lines / cm and a depth of 30-45 microns. The ink quantity of each layer of the water-based ink is 0.1-2.0g / m2; 1-4 layers of water-based ink are printed. The ink is clear and bright, and has high durability, which can not only improve the aesthetics of the packaging, but also can be used for anti-counterfeiting.

[0016] Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. hot pressing the wood pulp cellulose base paper at a temperature of 80-120°C, a pressure of 0.5-5MPa, and a time of 5-30min, and hot pressing a layer of polytetrafluoroethylene film; Step e. After the hot pressing is completed, the wood pulp cellulose base paper is fed into the hot stamping machine at a machine speed of 150-250m / min, and a single color hot stamping is performed on the hot stamping machine; Step f. Cutting, punching and storage.

[0017] In one embodiment of the present invention, the polytetrafluoroethylene film is configured as a microporous film, and the micropore diameter is 20-300 nm. The polytetrafluoroethylene film has excellent waterproof and breathable effects, and can greatly enhance the moisture-proof and breathable properties of wood pulp cellulose base paper and improve its durability.

[0018] Furthermore, the polytetrafluoroethylene film is pre-immersed in a silicone solution for 2-3 hours before hot pressing to enhance its surface strength and ensure durability before and after hot pressing.

[0019] The water-based ink is selected from one of gold, silver, red, orange, yellow, green, blue, purple, and black, or mixed in any proportion to form different colors, and finally printed evenly through the gravure printing process. In addition, the color layer ink is full, text or pattern, thereby providing novel color pattern specifications on the surface of the cigarette tipping base paper, which is widely used. Example 1

[0020] Step a. Provide wood pulp cellulose base paper, which is dried and fed into a glue coating machine at a speed of 150-250 m / min, and a layer of polyacrylamide water solvent containing silicon ions is coated on the surface of the wood pulp cellulose base paper, and preheated at 35-45°C; Step b. The wood pulp cellulose base paper is continuously fed into the printing press at a machine speed of 150-250 m / min, and the printing screen roller is printed with 60-120 lines / cm and a depth of 30-45 microns, and the water-based ink is printed with a water-based ink having a ration of 0.1-2.0 g / m2 per layer; Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. hot pressing the wood pulp cellulose base paper at a temperature of 80-120°C, a pressure of 0.5-5MPa, and a time of 5-30min, and hot pressing a layer of polytetrafluoroethylene film; Step e. After the hot pressing is completed, the wood pulp cellulose base paper is fed into the hot stamping machine at a machine speed of 150-250m / min, and a single color hot stamping is performed on the hot stamping machine; Step f. Cutting, punching and storage. Example 2

[0021] Step a. Providing wood pulp cellulose base paper, after drying, feeding it into a glue coating machine at a machine speed of 150-250m / min, coating a layer of acrylic glue on the surface of the wood pulp cellulose base paper, and preheating it at 35-45°C; Step b. The wood pulp cellulose base paper is continuously fed into the printing press at a machine speed of 150-250 m / min, and the printing screen roller is printed with 60-120 lines / cm and a depth of 30-45 microns, and the water-based ink is printed with a water-based ink having a ration of 0.1-2.0 g / m2 per layer; Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. After drying, the wood pulp cellulose base paper is fed into a hot stamping machine at a machine speed of 150-250 m / min, and a single color hot stamping is performed on the hot stamping machine; Step f. Cutting, punching and storage. Example 3

[0022] Step a. Provide wood pulp cellulose base paper, which is dried and fed into a glue coating machine at a speed of 150-250 m / min, and a layer of polyacrylamide water solvent containing silicon ions is coated on the surface of the wood pulp cellulose base paper, and preheated at 35-45°C; Step b. The wood pulp cellulose base paper is continuously fed into the printing press at a machine speed of 150-250 m / min, and the printing screen roller is printed with 60-120 lines / cm and a depth of 30-45 microns, and the water-based ink is printed with a water-based ink having a ration of 0.1-2.0 g / m2 per layer; Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. After drying, the wood pulp cellulose base paper is fed into a hot stamping machine at a machine speed of 150-250 m / min, and a single color hot stamping is performed on the hot stamping machine; Step e. Cutting, punching and storage.

[0023] After testing, the cigarette wrapping paper of Example 1 has a transparent effect and good formability. The surface tensile strength of the wrapping paper of Examples 2-3 is lower than that of Example 1, and the moisture-proof and breathable properties are poor. The color layer ink has a great interference and damage on the transparent cigarette wrapping paper, affecting the transparency of its paper base.

[0024] In summary, the present invention provides a transparent effect by using wood pulp cellulose base paper, and then coats a layer of polyacrylamide water solvent layer containing silicon ions to improve the strength of the paper surface. After printing ink, a partial area of ​​the printed surface is made transparent to enhance the appearance. Finally, a layer of polytetrafluoroethylene film is hot-pressed for outer layer protection to improve durability.

[0025] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A method for preparing printed transparent fiber cigarette wrapping paper, characterized in that: include: Step a. Providing a wood pulp cellulose base paper, which is dried and fed into a glue coating machine at a speed of 150-250 m / min, coating the surface of the wood pulp cellulose base paper with a layer of polyacrylamide aqueous solvent containing silicon ions and preheating to 35-45 ° C; Step b. The wood pulp cellulose base paper is continued to be fed into the printing press at a speed of 150-250m / min, with a printing screen roller of 60-120 lines / cm and a depth of 30-45 microns, and printed with water-based ink. The ink quantity of the water-based ink is 0.1-2.0g / m2 per layer; Step c. After printing is completed, the color layer ink is dried by hot air at a temperature of 45-100°C; Step d. The wood pulp cellulose base paper is hot-pressed at a temperature of 80-120°C, a pressure of 0.5-5MPa, and a time of 5-30min, and a layer of polytetrafluoroethylene film is hot-pressed; Step e. After the hot pressing is completed, the wood pulp cellulose base paper is fed into the hot stamping machine at a speed of 150-250m / min, and a single color hot stamping is performed on the hot stamping machine; Step f. Cutting, punching and storage.

2. The method for preparing printed transparent fiber cigarette wrapping paper according to claim 1, characterized in that: The polyacrylamide content in the polyacrylamide water solvent is 15-25%.

3. The method for preparing printed transparent fiber cigarette wrapping paper according to claim 1, characterized in that: The water-based ink is printed in 1-4 layers.

4. The method for preparing printed transparent fiber cigarette wrapping paper according to claim 1, characterized in that: The polytetrafluoroethylene film is configured as a microporous membrane, and the micropore diameter is 20-300 nm.

5. The method for preparing printed transparent fiber cigarette wrapping paper according to claim 1, characterized in that: The polytetrafluoroethylene film is pre-immersed in an organic silicon solution for 2-3 hours before hot pressing.

6. The method for preparing printed transparent fiber cigarette wrapping paper according to claim 1, characterized in that: The water-based ink is selected from one of gold, silver, red, orange, yellow, green, blue, purple, and black, or a mixture of the above colors in any proportion.