CN112721398A - Preparation method of laser transfer paper - Google Patents
Preparation method of laser transfer paper Download PDFInfo
- Publication number
- CN112721398A CN112721398A CN202011611363.0A CN202011611363A CN112721398A CN 112721398 A CN112721398 A CN 112721398A CN 202011611363 A CN202011611363 A CN 202011611363A CN 112721398 A CN112721398 A CN 112721398A
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- China
- Prior art keywords
- transfer paper
- laser transfer
- laser
- steps
- following
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The preparation method of the laser transfer paper provided by the invention comprises the following steps: s1, preheating the transfer glue; s2, preheating a guide roller; s3, gluing; s4, natural curing, curing and condensing in natural environment to make the information layer reliably attached to the paper base layer, thereby obtaining a semi-finished product of the laser transfer paper; and S5, separating the base film, and separating the base film from the laser film to obtain the laser transfer paper as a finished product. According to the scheme, the single-component polyurethane is used for replacing the water-based polymer to serve as the material of the transfer adhesive, high-temperature baking and curing are not needed, reliable attachment can be achieved by curing and condensing in a natural environment, energy consumption is effectively reduced, the process is easy to control, the laser transfer paper has high-softness toughness, and printing color burst and freezing resistance of the laser transfer paper are improved.
Description
Technical Field
The invention belongs to the technical field of laser transfer paper, and particularly relates to a preparation method of laser transfer paper.
Background
At present, laser transfer paper obtains large-scale application in the field of packaging and printing, however, the existing laser transfer paper is laminated by adopting butylbenzene, polyurethane and acrylic acid polymerization aqueous emulsion, the chemical materials can be laminated only by polymerizing and stirring the aqueous polymer in an emulsion state in water and a solvent, the water content in the emulsion after polymerization is 52-55%, and high-temperature baking and curing are needed to volatilize water under a high-temperature environment, so that the production energy consumption is high, in addition, the aqueous polymer achieves an adhesion effect through dehydration drying, the stability is determined according to the drying condition and water loss, and the technical process is difficult to control.
Disclosure of Invention
The invention mainly aims to provide a preparation method of laser transfer paper, which effectively reduces energy consumption and is easy to control a technological process.
In order to achieve the main purpose, the preparation method of the laser transfer paper provided by the invention comprises the following steps: s1, preheating the transfer adhesive to 80-90 ℃ to enable the transfer adhesive to be in a fluid state, wherein the transfer adhesive is made of single-component polyurethane; s2, preheating a guide roller; s3, gluing and attaching, namely uniformly coating transfer glue on the surface of a laser film, attaching an information layer of the laser film to a paper base layer through a composite device, wherein the transfer glue is positioned between the laser film and the paper base layer, the adjacent gap of guide rollers is 0.098-0.012mm, the attaching speed is 90-110m/min, the metering speed ratio is 50-60%, the glue homogenizing speed ratio is 85-95%, and the coating amount is 2.8-3.6 g/square meter; s4, natural curing, curing and condensing in natural environment to make the information layer reliably attached to the paper base layer, thereby obtaining a semi-finished product of the laser transfer paper; and S5, separating the base film, and separating the base film from the laser film to obtain the laser transfer paper as a finished product.
According to the scheme, the single-component polyurethane is used for replacing the water-based polymer to serve as the material of the transfer adhesive, high-temperature baking and curing are not needed, reliable attachment can be achieved by curing and condensing in a natural environment, energy consumption is effectively reduced, the process is easy to control, the laser transfer paper has high-softness toughness, and printing color burst and freezing resistance of the laser transfer paper are improved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a flowchart of an embodiment of a method for manufacturing laser transfer paper according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the method for preparing laser transfer paper provided in this embodiment includes:
step S1, preheating the transfer adhesive to 80-90 ℃ to enable the transfer adhesive to be in a fluid state, wherein the transfer adhesive is made of single-component polyurethane;
step S2, preheating a guide roller, wherein the preheated guide roller can enable the transfer glue to be uniform;
step S3, gluing and attaching, namely uniformly coating transfer glue on the surface of a laser film, attaching an information layer of the laser film to a paper base layer through composite equipment, wherein the transfer glue is positioned between the laser film and the paper base layer, the adjacent gap of guide rollers is 0.098-0.012mm, the attaching speed is 90-110m/min, the metering speed ratio is 50-60%, the glue homogenizing speed ratio is 85-95%, the coating amount is 2.8-3.6 g/square meter, and the composite equipment adopts known composite equipment;
step S4, natural curing, curing and condensing in natural environment to make the information layer reliably adhere to the paper base layer, thereby obtaining a semi-finished product of the laser transfer paper;
step S5, separating a base film, separating the base film from the laser film to obtain the laser transfer paper as a finished product, and separating the base film by adopting known compound equipment or cutting equipment;
and S6, cutting the laser transfer paper as a finished product to obtain the laser transfer paper with a preset size.
The number of the guide rollers is not less than two, the adjacent gap of the guide rollers is 0.098mm or 0.01mm or 0.012mm, and in the embodiment, the adjacent gap of the guide rollers is 0.01 mm.
The bonding speed is 90m/min or 100m/min or 110m/min, and in the embodiment, the bonding speed is 100 m/min.
The paper substrate is paperboard or copperplate paper.
The single-component polyurethane is adopted to replace an aqueous polymer to serve as a material of the transfer adhesive, high-temperature baking and curing are not needed, curing and condensation can be carried out in a natural environment to realize reliable attachment, the process stability is ensured, the adhesion effect is not needed to be achieved through dehydration drying as in the prior art, the stability of the laser transfer paper is not needed to be determined according to the drying condition and the water loss amount, the process is easy to control, the energy consumption is effectively reduced to achieve the environment-friendly effect, the laser transfer paper has high-softness toughness, and the printing color burst and freezing resistance of the laser transfer paper are improved. Moreover, the traditional solvent-free process only applies plastic-plastic compounding at present, A, B bi-component compound glue is adopted, and the single-component polyurethane can effectively reduce the cost and is convenient for large-scale application of the laser transfer paper.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only the preferred embodiments of the invention have been described above, and the present invention is not limited to the above-described embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of laser transfer paper is characterized by comprising the following steps:
s1, preheating transfer glue to 80-90 ℃ to enable the transfer glue to be in a fluid state, wherein the transfer glue is made of single-component polyurethane;
s2, preheating a guide roller;
s3, gluing and attaching, namely uniformly coating the transfer glue on the surface of a laser film, attaching an information layer of the laser film to a paper base layer through a composite device, wherein the transfer glue is positioned between the laser film and the paper base layer, the adjacent gap of guide rollers is 0.098-0.012mm, the attaching speed is 90-110m/min, the metering speed ratio is 50-60%, the glue homogenizing speed ratio is 85-95%, and the coating amount is 2.8-3.6 g/square meter;
s4, natural curing, curing and condensing in natural environment to ensure that the information layer is reliably attached to the paper base layer, thereby obtaining a semi-finished product of the laser transfer paper;
and S5, separating a base film, and separating the base film from the laser film to obtain the laser transfer paper as a finished product.
2. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the adjacent clearance of deflector roll is 0.098 mm.
3. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the adjacent clearance of deflector roll is 0.01 mm.
4. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the adjacent clearance of deflector roll is 0.012 mm.
5. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the bonding speed is 90 m/min.
6. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the bonding speed is 100 m/min.
7. The method for preparing laser transfer paper according to claim 1, wherein the method comprises the following steps:
the attaching speed is 110 m/min.
8. The method for preparing laser transfer paper according to any one of claims 1 to 7, wherein:
the preparation method further comprises the following steps:
and S6, cutting, namely cutting the laser transfer paper as a finished product to obtain the laser transfer paper with a preset size.
9. The method for preparing laser transfer paper of claim 8, wherein the method comprises the following steps:
the paper base layer is made of paperboard.
10. The method for preparing laser transfer paper of claim 8, wherein the method comprises the following steps:
the paper base layer is made of copper plate paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011611363.0A CN112721398A (en) | 2020-12-29 | 2020-12-29 | Preparation method of laser transfer paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011611363.0A CN112721398A (en) | 2020-12-29 | 2020-12-29 | Preparation method of laser transfer paper |
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| Publication Number | Publication Date |
|---|---|
| CN112721398A true CN112721398A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011611363.0A Pending CN112721398A (en) | 2020-12-29 | 2020-12-29 | Preparation method of laser transfer paper |
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| CN (1) | CN112721398A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070748A1 (en) * | 2001-09-27 | 2003-04-17 | Canon Kasei Kabushiki Kaisha | Processes for manufacturing blade member of developer quantity control blade and manufacturing the blade |
| CN101041767A (en) * | 2006-03-21 | 2007-09-26 | 成都赛特克科技有限公司 | Adhesive agent and preparation method and usage |
| CN105002773A (en) * | 2014-04-18 | 2015-10-28 | 上海紫江喷铝环保材料有限公司 | Laser aluminum plating anti-counterfeiting lottery ticket paper and manufacturing method thereof |
| CN111532002A (en) * | 2020-06-12 | 2020-08-14 | 贵州劲嘉新型包装材料有限公司 | A kind of solvent-free aluminized composite transfer in-line printing structure and printing method |
-
2020
- 2020-12-29 CN CN202011611363.0A patent/CN112721398A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070748A1 (en) * | 2001-09-27 | 2003-04-17 | Canon Kasei Kabushiki Kaisha | Processes for manufacturing blade member of developer quantity control blade and manufacturing the blade |
| CN101041767A (en) * | 2006-03-21 | 2007-09-26 | 成都赛特克科技有限公司 | Adhesive agent and preparation method and usage |
| CN105002773A (en) * | 2014-04-18 | 2015-10-28 | 上海紫江喷铝环保材料有限公司 | Laser aluminum plating anti-counterfeiting lottery ticket paper and manufacturing method thereof |
| CN111532002A (en) * | 2020-06-12 | 2020-08-14 | 贵州劲嘉新型包装材料有限公司 | A kind of solvent-free aluminized composite transfer in-line printing structure and printing method |
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Application publication date: 20210430 |
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