CN113635688B - Gilt printing process - Google Patents
Gilt printing process Download PDFInfo
- Publication number
- CN113635688B CN113635688B CN202110977930.2A CN202110977930A CN113635688B CN 113635688 B CN113635688 B CN 113635688B CN 202110977930 A CN202110977930 A CN 202110977930A CN 113635688 B CN113635688 B CN 113635688B
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- CN
- China
- Prior art keywords
- film
- glue
- polyamide
- gold stamping
- zinc acetate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/22—Metallic printing; Printing with powdered inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Coloring (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a gold stamping printing process, which comprises the following steps of S1, polyamide modified polyurethane glue: adding polyamide into a reactor, heating and melting, adding polyurethane glue under continuous high-speed stirring, and slowly dropwise adding zinc acetate solution after uniformly mixing to obtain modified glue; s2, sizing a gold stamping film; s3, a compounding procedure; bonding the nylon cotton fabric and the rubberizing surface of the gold stamping film, wherein the temperature of an oven is 80-90 ℃, and pressurizing by a hot rolling and padder to smoothly complete the compounding of the gold stamping film and the nylon cotton fabric; s4, separating gold. According to the invention, the polyamide and polyurethane are utilized to form a network structure after being solidified, so that the impact strength, tensile strength, adhesive force and toughness of the printing are enhanced, the success of low-temperature compounding and the compounding strength are ensured, the nano zinc oxide inorganic antibacterial agent can be well dispersed in the polyamide, agglomeration is avoided, and the printing is endowed with good ultraviolet resistance and antibacterial property and high added value.
Description
Technical Field
The invention belongs to the technical field of fabric hot stamping, and particularly relates to a hot stamping printing process.
Background
At present, with the rapid development of social economy, the performance requirements of people on textile fabrics are increasing. The gilt fabric is taken as a fabric with special style on the surface, and is more and more popular with people.
The Chinese patent publication (CN 108049227A) discloses a gold stamping process of a fabric, which comprises the following steps of firstly, a gold stamping film sizing procedure, namely, passing glue water through a glue trough on the surface of the gold stamping film through a pattern roller, so that glue forms a pattern on the gold stamping film, the pattern roller adopts a gravure plate engraved by laser, the gold stamping film adopts an electric aluminum foil with colors on the film, and the electric aluminum foil on the film is stuck on the fabric to form a pattern through sizing; step two, a gold stamping film and fabric compounding procedure; adhering the surface material to the rubberizing surface of the gilt film, passing through a baking oven after the gilt film is rubberized, drying the water-based glue at the temperature of 105 ℃, pressurizing the gilt film and the surface material together through a hot rolling machine and a padder, smoothly finishing the compounding of the gilt film and the surface material, and simultaneously rolling the gilt film and the surface material into a semi-finished product; step three, gold separating procedure: and separating the gold stamping film from the fabric on a gold separating machine.
In order to meet the functional requirements of clients, the antibacterial performance of the fabric is generally obtained from antibacterial modification of yarns or antibacterial finishing paths of the fabric, and no report of obtaining the antibacterial performance from a gilding printing process is known. Moreover, the antibacterial powder added in the antibacterial modification of the yarn has the defects of agglomeration and non-uniformity, and the general choice of an organic antibacterial agent in the antibacterial finishing process enables the inorganic antibacterial agent to be uniformly applied to the gold stamping film, which is also the important research content of the application.
Disclosure of Invention
The invention aims to provide a gold stamping printing process which can be applied to a nylon cotton fabric to obtain the performances of high adhesive force and uniform antibacterial property.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the gold stamping printing process specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding polyamide into a reactor, heating to 220-240 ℃ for melting, adding polyurethane glue under continuous high-speed stirring, slowly dropwise adding zinc acetate solution after uniformly mixing, wherein the dropwise adding amount is 200-250 g of zinc acetate solution per kilogram of polyamide glue, and obtaining modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s4, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine.
Preferably, the polyamide in the step S1 is PA6 or PA610.
Preferably, the mass ratio of the polyamide to the polyurethane glue in the step S1 is 1:4-6.
Preferably, the preparation method of the zinc acetate solution comprises the steps of using zinc acetate as a precursor and dissolving the zinc acetate into glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%.
Preferably, the dripping rate of the zinc acetate solution in the step S1 is 2-4ml/hr per kilogram of the polyamide glue.
Preferably, the gilt printing process also comprises a plasma treatment step of the brocade cotton fabric before compounding, specifically: the surface of the thermoprinting area of the nylon cotton fabric is treated by argon plasma and is exposed in the air for a period of time, the power supply frequency is 40 kHz-50 kHz, the power is 30W-40W, and the argon pressure is 6 Pa-8 Pa.
Compared with the prior art, the invention has the following beneficial effects:
the modified glue used in the invention firstly utilizes polyamide and polyurethane to form a network structure after being cured, so that the impact strength, tensile strength, adhesive force and toughness of the printing are enhanced, secondly, the success of low-temperature compounding and the compounding strength are ensured, thirdly, the nano zinc oxide inorganic antibacterial agent can be well dispersed in the polyamide without agglomeration, and further, the printing is endowed with good ultraviolet resistance and antibacterial property, and the added value is high. In addition, the nylon-cotton fabric is treated by plasma before compounding, so that the bonding strength of the fabric and the gold stamping film can be further enhanced.
Detailed Description
Example 1
The embodiment provides a gold stamping printing process, which specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding PA6 into a reactor, heating to 220-240 ℃ for melting, and adding polyurethane glue under continuous high-speed stirring, wherein the mass ratio of polyamide to polyurethane glue is 1:5; zinc acetate is used as a precursor and is dissolved in glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%, after the zinc acetate solution is uniformly mixed, the zinc acetate solution is slowly and dropwise added, the dropwise adding amount of the zinc acetate solution is 220 g of zinc acetate solution per kilogram of polyamide glue, and the dropwise adding rate is 2ml/hr per kilogram of polyamide glue, so as to obtain modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s4, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine.
Example 2
The embodiment provides a gold stamping printing process, which specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding PA610 into a reactor, heating to 220-240 ℃ for melting, and adding polyurethane glue under continuous high-speed stirring, wherein the mass ratio of polyamide to polyurethane glue is 1:6; zinc acetate is used as a precursor and is dissolved in glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%, after the zinc acetate solution is uniformly mixed, the zinc acetate solution is slowly and dropwise added, the dropwise adding amount of the zinc acetate solution is 250 g of zinc acetate solution per kilogram of polyamide glue, and the dropwise adding rate is 2ml/hr per kilogram of polyamide glue, so as to obtain modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s4, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine.
Example 3
The embodiment provides a gold stamping printing process, which specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding PA610 into a reactor, heating to 220-240 ℃ for melting, and adding polyurethane glue under continuous high-speed stirring, wherein the mass ratio of polyamide to polyurethane glue is 1:4; zinc acetate is used as a precursor and is dissolved in glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%, after the zinc acetate solution is uniformly mixed, the zinc acetate solution is slowly dropwise added, the dropwise adding amount of the zinc acetate solution is 200 g of zinc acetate solution per kilogram of polyamide glue, and the dropwise adding rate is 4ml/hr per kilogram of polyamide glue, so as to obtain modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, plasma treatment of a nylon cotton fabric: the surface of the thermoprinting area of the nylon cotton fabric is treated by argon plasma and is exposed in the air for a period of time, the power frequency is 50kHz, the power is 30W, and the argon pressure is 6Pa.
S4, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s5, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine.
Example 4
The embodiment provides a gold stamping printing process, which specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding PA6 into a reactor, heating to 220-240 ℃ for melting, and adding polyurethane glue under continuous high-speed stirring, wherein the mass ratio of polyamide to polyurethane glue is 1:5; zinc acetate is used as a precursor and is dissolved in glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%, after the zinc acetate solution is uniformly mixed, the zinc acetate solution is slowly dropwise added, the dropwise adding amount of the zinc acetate solution is 210 g of zinc acetate solution per kilogram of polyamide glue, and the dropwise adding rate is 3ml/hr per kilogram of polyamide glue, so as to obtain modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, plasma treatment of a nylon cotton fabric: the surface of the thermoprinting area of the nylon cotton fabric is treated by argon plasma and is exposed in the air for a period of time, the power frequency is 40kHz, the power is 40W, and the argon pressure is 8Pa.
S4, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s5, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine.
The gilt printed fabrics of the above examples 1-4 are tested according to GB/T20944.3-2008 oscillation method, the staphylococcus aureus and the escherichia coli can reach more than 94%, and the candida albicans can reach more than 90%.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (2)
1. A gold stamping printing process is characterized in that: the method specifically comprises the following steps:
s1, polyamide modified polyurethane glue: adding polyamide into a reactor, heating to 220-240 ℃ for melting, adding polyurethane glue under continuous high-speed stirring, slowly dropwise adding zinc acetate solution after uniformly mixing, wherein the dropwise adding amount is 200-250 g of zinc acetate solution per kilogram of polyamide glue, and obtaining modified glue;
s2, gold stamping film sizing: the surface of the gold stamping film is passed through a gold stamping glue groove by a gravure printing roller, so that the modified glue forms a pattern on the surface of the gold stamping film;
s3, a compounding procedure; binding the brocade cotton fabric and the rubberizing surface of the gilt film, passing through a baking oven at 80-90 ℃ after the gilt film is rubberized, drying the modified glue, pressurizing the gilt film and the fabric together through a hot roller and a padder, smoothly finishing the compounding of the gilt film and the brocade cotton fabric, and simultaneously rolling the gilt film and the brocade cotton fabric into a semi-finished product;
s4, gold separating process: separating the gold stamping film from the nylon cotton fabric on a gold separating machine;
the polyamide in the step S1 is PA6 or PA610, and the mass ratio of the polyamide to the polyurethane glue is 1:4-6;
the preparation method of the zinc acetate solution comprises the steps of using zinc acetate as a precursor and dissolving the zinc acetate into glacial acetic acid water solution to prepare zinc acetate solution with the mass concentration of 10% -20%; the dripping rate of the zinc acetate solution is 2-4ml/hr per kilogram of polyamide glue.
2. The gilding process of claim 1 wherein: the method also comprises the plasma treatment step of the nylon-cotton fabric before compounding, and specifically comprises the following steps: the surface of the thermoprinting area of the nylon cotton fabric is treated by argon plasma and is exposed in the air for a period of time, the power supply frequency is 40 kHz-50 kHz, the power is 30W-40W, and the argon pressure is 6 Pa-8 Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977930.2A CN113635688B (en) | 2021-08-25 | 2021-08-25 | Gilt printing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110977930.2A CN113635688B (en) | 2021-08-25 | 2021-08-25 | Gilt printing process |
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| CN113635688A CN113635688A (en) | 2021-11-12 |
| CN113635688B true CN113635688B (en) | 2023-05-12 |
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