CN110816095A - Printing process of green environment-friendly packaging box - Google Patents
Printing process of green environment-friendly packaging box Download PDFInfo
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- CN110816095A CN110816095A CN201910875530.3A CN201910875530A CN110816095A CN 110816095 A CN110816095 A CN 110816095A CN 201910875530 A CN201910875530 A CN 201910875530A CN 110816095 A CN110816095 A CN 110816095A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D155/00—Coating compositions based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C09D123/00 - C09D153/00
- C09D155/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a printing process of a green environment-friendly packaging box, which comprises the following steps: s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer; s2, preparation before printing: synchronizing the patterns drawn in the step into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment; s3, spraying liquid: spraying the hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying the hydrophilic agent to the position needing not to be printed. According to the invention, the hydrophilic agent is sprayed to the position to be printed on the printing substrate, and the hydrophilic agent is sprayed to the position not to be printed, so that the printing area and the non-printing area can be well distinguished, meanwhile, the hydrophilic agent can enhance the adhesive force of the printing ink on the printing substrate, the printing effect is improved, the hydrophilic agent can prevent the printing ink from being stuck to the non-printing area, and the tidiness of the printing surface is ensured.
Description
Technical Field
The invention relates to a printing process, in particular to a printing process of a green environment-friendly packaging box.
Background
Packages, as their name implies, are boxes used to package products, which can be classified by materials such as: carton, iron box, wooden box, cloth box, leather case, ya keli box, flute packing carton, pvc box etc. also can classify according to the name of product and say: moon cakes box, tea box, medlar box, candy box, exquisite gift box, local specialty box, wine box, chocolate box, food and drug health product box, food packaging box, tea packaging box, stationery box, etc. The function of the packing box is as follows: the safety of products in transportation is ensured, and the grade of the products is improved.
As for the printing process, the Chinese patent discloses an environment-friendly and energy-saving packaging box printing process (publication number: CN107379799A), which comprises the following steps: 1) drawing a packaging box structure to be printed and a printing pattern on the surface of the packaging box according to the packaging box pattern design, and drawing a packaging box structure drawing through drawing software; 2) printing, cutting and marking the drawing of the packaging box structure drawn in the step 1) on a base material, and cutting the base material into the size and the structure required by manufacturing the packaging box; 3) making a mounting paper with a required pattern, and printing the required pattern on the mounting paper; 4) surface treatment; 5) coating the curing resin on the outer surface of the substrate by a screen printing mode; 6) attaching the mounting paper to the curing resin; 7) printing ultraviolet curing printing ink on the inner surface of the base material; 8) carrying out ultraviolet curing on the ultraviolet curing printing ink by an ultraviolet curing lamp; 9) and (3) drying and bonding the base material treated in the step (7) to form the environment-friendly and energy-saving packaging box finished product. The stability of the ink printed on the substrate is poor, so that the ink and paper have poor viscosity, ink connection, double images and other phenomena are easily generated, the printing effect is poor, and the printed patterns are often scratched in the subsequent process under the condition that an ink cluster exists at the boundary between a printing area and an unprinted area.
Disclosure of Invention
The invention aims to solve the defects of poor printing effect, unclear boundary between a printing area and an unprinted area and poor pattern protection in the prior art, and provides a printing process of a green environment-friendly packaging box.
In order to achieve the purpose, the invention adopts the following technical scheme:
a printing process of a green environment-friendly packaging box comprises the following steps:
s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer;
s2, preparation before printing: synchronizing the patterns drawn in the step into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment;
s3, spraying liquid: spraying a hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying a hydrophilic agent to the position needing not to be printed;
s4, printing: printing the printing substrate sprayed with the hydrophilic agent and the lipophilic agent according to the designed cluster;
s5, drying and solidifying: the printed printing substrate passes through a drying area, and the drying area dries the printing substrate and the printing ink to stably print patterns;
s6, flattening and fixing: strongly flattening the printed substrate in the S5 through a plurality of groups of compression rollers;
s7, hot-pressing film coating: and gluing the two sides of the printing substrate in the S6, and hot-pressing and attaching the protective films to the two sides of the printing substrate.
Preferably, the printing substrate is a leather-grain paper.
Preferably, the method further comprises a post-processing step of carrying out embossing and die cutting processes on the printed substrate after hot-pressing lamination.
Preferably, the protrusions are in the form of a pattern printed on the printed substrate protruding from the surface thereof.
Preferably, the die cutting is cutting the printed substrate.
Preferably, the hydrophilic agent comprises the following components in parts by weight: solution A: 5-16 parts of gum arabic, 3-12 parts of magnesium nitrate, 0.5-2 parts of citric acid, 0.5-2 parts of phosphoric acid, 0.5-2 parts of disodium hydrogen phosphate, 0.01-0.05 part of ethylene oxide/propylene oxide block copolymer, 0.1-0.5 part of preservative, 0.1-0.5 part of defoaming agent and the balance of deionized water; and B, liquid B: 25-45 parts of ethylene glycol, 40-70 parts of 2-butoxyethanol, 3-6 parts of 3-5 dimethyl-1-acetylene-3 alcohol and 1-5 parts of 2, 4, 7, 9-tetramethyl-5 decyne-4, 7 diol; and C, liquid C: 30-60 parts of ammonium xylene sulfonate and the balance of deionized water.
Preferably, 20ml of the solution A is added into every 1L of deionized water, 31mlB solution is added, and 24ml of the solution C is added.
Preferably, the oleophilic agent comprises the following components in parts by weight: 10-20 parts of ABS-Na (30%), 10-20 parts of AES (70%), 1-3 parts of OP-l0 (70%), 0.05-2 parts of EDTA (ethylene diamine tetraacetic acid), 2-8 parts of triethanolamine, 0.1-1 part of sodium benzoate, 1-3 parts of sodium chloride, 0.5-3 parts of trace additive and the balance of deionized water.
Preferably, the trace additive comprises essence and sodium carbonate, and the weight ratio of the essence to the sodium carbonate is 1: 1.
Compared with the prior art, the invention has the beneficial effects that:
according to the printing process of the green environment-friendly packaging box, a liquid spraying process is added before printing ink printing, the position needing to be printed on the printing substrate is sprayed with the oleophilic agent, the position needing not to be printed is sprayed with the hydrophilic agent, the oleophilic agent has the oleophilic and hydrophobic characteristics, and the hydrophilic agent has the hydrophilic and oleophobic characteristics, so that the printing area and the unprinted area can be well distinguished when the oleophilic agent is respectively sprayed and printed on the printing substrate, meanwhile, the adhesion of the printing ink can be enhanced by the oleophilic agent, the printing effect is improved, the ink can be prevented from being adhered to the unprinted area by the hydrophilic agent, the neatness of the printing layout is ensured, the protective film can be tightly adhered to the printing substrate by hot-pressing film covering, the printed pattern and the whole substrate are protected, and the pulling resistance and the waterproof.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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.
Example one
A printing process of a green environment-friendly packaging box comprises the following steps:
s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer;
s2, preparation before printing: synchronizing the patterns drawn in the steps into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment, wherein the printing substrate is dermatoglyph paper;
s3, spraying liquid: spraying a hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying a hydrophilic agent to the position needing not to be printed;
s4, printing: printing the printing substrate sprayed with the hydrophilic agent and the lipophilic agent according to the designed cluster;
s5, drying and solidifying: the printed printing substrate passes through a drying area, and the drying area dries the printing substrate and the printing ink to stably print patterns;
s6, flattening and fixing: strongly flattening the printed substrate in the S5 through a plurality of groups of compression rollers;
s7, hot-pressing film coating: and gluing the two sides of the printing substrate in the S6, and hot-pressing and attaching the protective films to the two sides of the printing substrate.
The method also comprises a post-processing step, wherein the printing substrate after hot-pressing and film covering is subjected to embossing and die cutting, the embossing is to print a shape which is protruded out of the surface of the printing substrate, and the die cutting is to cut the printing substrate.
The hydrophilic agent comprises the following components in parts by weight: solution A: 5 parts of gum arabic, 3 parts of magnesium nitrate, 0.5 part of citric acid, 0.5 part of phosphoric acid, 0.5 part of disodium hydrogen phosphate, 0.01 part of ethylene oxide/propylene oxide block copolymer, 0.1 part of preservative, 0.1 part of defoaming agent and the balance of deionized water; and B, liquid B: 25 parts of ethylene glycol, 40 parts of 2-butoxyethanol, 3 parts of 3-5 dimethyl-1-acetylene-3 alcohol and 1 part of 2, 4, 7, 9-tetramethyl-5 decyne-4, 7 diol; and C, liquid C: 30 parts of ammonium xylene sulfonate and the balance of deionized water; 20ml of A solution, 31mlB solution and 24ml of C solution are added into each 1L of deionized water.
The oleophilic agent comprises the following components in parts by weight: 10 parts of ABS-Na (30%), 10 parts of AES (70%), 1 part of OP-l0 (70%), 0.05 part of EDTA, 2 parts of triethanolamine, 0.1 part of sodium benzoate, 1 part of sodium chloride, 0.5 part of trace additive and the balance of deionized water; the trace additive comprises essence and sodium carbonate, and the weight ratio of the essence to the sodium carbonate is 1: 1.
Example two
A printing process of a green environment-friendly packaging box comprises the following steps:
s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer;
s2, preparation before printing: synchronizing the patterns drawn in the steps into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment, wherein the printing substrate is dermatoglyph paper;
s3, spraying liquid: spraying a hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying a hydrophilic agent to the position needing not to be printed;
s4, printing: printing the printing substrate sprayed with the hydrophilic agent and the lipophilic agent according to the designed cluster;
s5, drying and solidifying: the printed printing substrate passes through a drying area, and the drying area dries the printing substrate and the printing ink to stably print patterns;
s6, flattening and fixing: strongly flattening the printed substrate in the S5 through a plurality of groups of compression rollers;
s7, hot-pressing film coating: and gluing the two sides of the printing substrate in the S6, and hot-pressing and attaching the protective films to the two sides of the printing substrate.
The method also comprises a post-processing step, wherein the printing substrate after hot-pressing and film covering is subjected to embossing and die cutting, the embossing is to print a shape which is protruded out of the surface of the printing substrate, and the die cutting is to cut the printing substrate.
The hydrophilic agent comprises the following components in parts by weight: solution A: 5 parts of gum arabic, 3 parts of magnesium nitrate, 0.5 part of citric acid, 0.5 part of phosphoric acid, 0.5 part of disodium hydrogen phosphate, 0.01 part of ethylene oxide/propylene oxide block copolymer, 0.1 part of preservative, 0.1 part of defoaming agent and the balance of deionized water; and B, liquid B: 25 parts of ethylene glycol, 40 parts of 2-butoxyethanol, 3 parts of 3-5 dimethyl-1-acetylene-3 alcohol and 1 part of 2, 4, 7, 9-tetramethyl-5 decyne-4, 7 diol; and C, liquid C: 30 parts of ammonium xylene sulfonate and the balance of deionized water; 20ml of A solution, 31mlB solution and 24ml of C solution are added into each 1L of deionized water.
The oleophilic agent comprises the following components in parts by weight: 10 parts of ABS-Na (30%), 10 parts of AES (70%), 1 part of OP-l0 (70%), 0.05 part of EDTA, 2 parts of triethanolamine, 0.1 part of sodium benzoate, 1 part of sodium chloride, 0.5 part of trace additive and the balance of deionized water; the trace additive comprises essence and sodium carbonate, and the weight ratio of the essence to the sodium carbonate is 1: 1.
EXAMPLE III
A printing process of a green environment-friendly packaging box comprises the following steps:
s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer;
s2, preparation before printing: synchronizing the patterns drawn in the steps into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment, wherein the printing substrate is dermatoglyph paper;
s3, spraying liquid: spraying a hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying a hydrophilic agent to the position needing not to be printed;
s4, printing: printing the printing substrate sprayed with the hydrophilic agent and the lipophilic agent according to the designed cluster;
s5, drying and solidifying: the printed printing substrate passes through a drying area, and the drying area dries the printing substrate and the printing ink to stably print patterns;
s6, flattening and fixing: strongly flattening the printed substrate in the S5 through a plurality of groups of compression rollers;
s7, hot-pressing film coating: and gluing the two sides of the printing substrate in the S6, and hot-pressing and attaching the protective films to the two sides of the printing substrate.
The method also comprises a post-processing step, wherein the printing substrate after hot-pressing and film covering is subjected to embossing and die cutting, the embossing is to print a shape which is protruded out of the surface of the printing substrate, and the die cutting is to cut the printing substrate.
The hydrophilic agent comprises the following components in parts by weight: solution A: 16 parts of gum arabic, 12 parts of magnesium nitrate, 2 parts of citric acid, 2 parts of phosphoric acid, 2 parts of disodium hydrogen phosphate, 0.05 part of ethylene oxide/propylene oxide block copolymer, 0.5 part of preservative, 0.5 part of defoaming agent and the balance of deionized water; and B, liquid B: 45 parts of ethylene glycol, 70 parts of 2-butoxyethanol, 6 parts of 3-5 dimethyl-1-acetylene-3 alcohol and 5 parts of 2, 4, 7, 9-tetramethyl-5 decyne-4, 7 diol; and C, liquid C: 60 parts of ammonium xylene sulfonate and the balance of deionized water; 20ml of A solution, 31mlB solution and 24ml of C solution are added into each 1L of deionized water.
The oleophilic agent comprises the following components in parts by weight: 20 parts of ABS-Na (30%), 20 parts of AES (70%), 3 parts of OP-l0 (70%), 2 parts of EDTA, 8 parts of triethanolamine, 1 part of sodium benzoate, 3 parts of sodium chloride, 3 parts of trace additives and the balance of deionized water; the trace additive comprises essence and sodium carbonate, and the weight ratio of the essence to the sodium carbonate is 1: 1.
A control experiment was performed, setting control group: the printing effect of the printing base without printing oleophilic agent and hydrophilic agent is compared with the printing effect of the printing base of the first embodiment, the second embodiment and the third embodiment, and the comparison result is shown in the following table:
according to the table, after the liquid spraying process is added, the lipophilic agent and the hydrophilic agent are sprayed on the printing substrate, so that the printing effect and the quality are greatly improved, and the hot-pressing film can more quickly and tightly attach the protective film on the surface of the substrate, so that the waterproof performance and the anti-pulling capacity of the protective film are improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The printing process of the green environment-friendly packaging box is characterized by comprising the following steps of:
s1, designing a printing pattern: designing and drawing the pattern to be printed on the packaging box by a drawing tool on a computer;
s2, preparation before printing: synchronizing the patterns drawn in the step into printing equipment, injecting printing ink, a hydrophilic agent and a lipophilic agent, installing a printing substrate and a protective film on the printing equipment, and starting the printing equipment;
s3, spraying liquid: spraying a hydrophilic agent to the position needing to be printed on the moving printing substrate, and spraying a hydrophilic agent to the position needing not to be printed;
s4, printing: printing the printing substrate sprayed with the hydrophilic agent and the lipophilic agent according to the designed cluster;
s5, drying and solidifying: the printed printing substrate passes through a drying area, and the drying area dries the printing substrate and the printing ink to stably print patterns;
s6, flattening and fixing: strongly flattening the printed substrate in the S5 through a plurality of groups of compression rollers;
s7, hot-pressing film coating: and gluing the two sides of the printing substrate in the S6, and hot-pressing and attaching the protective films to the two sides of the printing substrate.
2. The printing process of green environmental protection type packaging box according to claim 1, wherein the printing substrate is a leather paper.
3. The printing process of an environment-friendly packing box according to claim 1, further comprising a post-processing step of performing embossing and die cutting processes on the printed substrate after the hot press lamination.
4. The printing process of green environmental protection type packing box according to claim 3, wherein said protrusions are formed by printing on the printing substrate in a shape protruding from the surface thereof.
5. The printing process of green and environment-friendly packing box according to claim 3, wherein the die cutting is cutting the printing substrate.
6. The printing process of the green and environment-friendly packaging box according to claim 1, wherein the hydrophilic agent comprises the following components in parts by weight: solution A: 5-16 parts of gum arabic, 3-12 parts of magnesium nitrate, 0.5-2 parts of citric acid, 0.5-2 parts of phosphoric acid, 0.5-2 parts of disodium hydrogen phosphate, 0.01-0.05 part of ethylene oxide/propylene oxide block copolymer, 0.1-0.5 part of preservative, 0.1-0.5 part of defoaming agent and the balance of deionized water; and B, liquid B: 25-45 parts of ethylene glycol, 40-70 parts of 2-butoxyethanol, 3-6 parts of 3-5 dimethyl-1-acetylene-3 alcohol and 1-5 parts of 2, 4, 7, 9-tetramethyl-5 decyne-4, 7 diol; and C, liquid C: 30-60 parts of ammonium xylene sulfonate and the balance of deionized water.
7. The printing process of green environmental protection type packaging box according to claim 6, wherein 20ml of A solution, 31mlB solution and 24ml of C solution are added into 1L of deionized water.
8. The printing process of the green environment-friendly packaging box according to claim 1, wherein the oleophilic agent comprises the following components in parts by weight: 10-20 parts of ABS-Na (30%), 10-20 parts of AES (70%), 1-3 parts of OP-l0 (70%), 0.05-2 parts of EDTA (ethylene diamine tetraacetic acid), 2-8 parts of triethanolamine, 0.1-1 part of sodium benzoate, 1-3 parts of sodium chloride, 0.5-3 parts of trace additive and the balance of deionized water.
9. The printing process of the green and environment-friendly packaging box according to claim 8, wherein the trace additive comprises essence and sodium carbonate, and the weight ratio of the essence to the sodium carbonate is 1: 1.
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| CN201910875530.3A CN110816095A (en) | 2019-09-17 | 2019-09-17 | Printing process of green environment-friendly packaging box |
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| CN112140761A (en) * | 2020-09-23 | 2020-12-29 | 昆山飞林彩印包装有限公司 | Printing process for environment-friendly and energy-saving packaging box |
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Application publication date: 20200221 |