CN117626690A - Thermal transfer printing process of decorative cloth - Google Patents

Thermal transfer printing process of decorative cloth Download PDF

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Publication number
CN117626690A
CN117626690A CN202311467415.5A CN202311467415A CN117626690A CN 117626690 A CN117626690 A CN 117626690A CN 202311467415 A CN202311467415 A CN 202311467415A CN 117626690 A CN117626690 A CN 117626690A
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CN
China
Prior art keywords
decorative cloth
ink
printing
thermal transfer
blank
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Pending
Application number
CN202311467415.5A
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Chinese (zh)
Inventor
袁卫东
俞岗
施蔡敏
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Moen Textile Technology Nantong Co ltd
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Moen Textile Technology Nantong Co ltd
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Priority to CN202311467415.5A priority Critical patent/CN117626690A/en
Publication of CN117626690A publication Critical patent/CN117626690A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of thermal transfer printing of decorative cloth, and discloses a thermal transfer printing process of the decorative cloth, which comprises the following steps of selecting a decorative cloth blank required by printing, whitening and drying, dedusting the decorative cloth blank, carrying out vacuum drying to mix ink required by printing, printing ink-absorbing paint on glossy paper, and drying to form an ink-absorbing coating; printing the ink on the ink-absorbing coating in a digital ink-jet printing mode to form transferable glossy paper, placing the spare decorative cloth blank on thermal transfer equipment, then placing the transferable glossy paper on the decorative part blank, performing hot pressing by using the thermal transfer equipment, and performing hot pressing on the ink pattern on the decorative cloth blank; after printing, spraying the solid powder pigment on the ink layer of the decorative cloth to form a coating solidification heat sublimation ink layer and a solidification layer of the workpiece; performing secondary hot pressing by using a heat transfer printing device; the transfer printing effect on the decorative cloth can be improved through the processing technology.

Description

Thermal transfer printing process of decorative cloth
Technical Field
The invention belongs to the technical field of thermal transfer printing of decorative cloth, and particularly relates to a thermal transfer printing process of decorative cloth.
Background
Thermal transfer printing is a relatively emerging printing process, which has been introduced abroad for a period of no more than 10 years. The principle is that the pattern is printed on the special transfer paper by a printer, and then the pattern is precisely transferred on the fabric or leather by the special transfer machine at high temperature and high pressure.
The traditional thermal transfer printing process needs to directly transfer printing ink on the surface of the decorative cloth, and can possibly generate the problems of color penetration, insufficient clear color, weak layering, large chromatic aberration and the like when the thermal transfer printing process is placed in a natural environment for a long time, so that the transfer printing effect is poor.
For this purpose we propose a thermal transfer process for a decorative cloth.
Disclosure of Invention
The invention aims at: in order to improve the transfer printing effect on the decorative cloth, a thermal transfer printing process of the decorative cloth is provided.
The technical scheme adopted by the invention is as follows:
a thermal transfer printing process of decorative cloth comprises the following steps:
step one: selecting decorative cloth blanks required by printing, whitening and drying;
step two: dedusting the decorative cloth blank, placing the blank in a sealed container filled with nitrogen, standing for 24 hours, and then vacuum drying the blank at 0 ℃ for 24 hours for later use;
step three: the printing ink for printing is prepared from (by weight) pigment 35-50%, high-temperature resistant resin 1-2%, photoinitiator 5-12%, leveling agent 1-2%, dispersant 8-10%, leveling agent 1-7%, adhesion promoter 5-10%, and water in balance;
step four: printing ink-absorbing paint on the glossy paper, and drying to form an ink-absorbing coating; printing the required pattern on the ink-absorbing coating by the proportioned ink in a digital ink-jet printing mode to form transferable glossy paper;
step five: placing the spare decorative cloth blank on thermal transfer equipment, then placing transferable oil paper on the decorative part blank, performing hot pressing by using the thermal transfer equipment, and performing hot pressing on the ink pattern on the decorative cloth blank;
step six: when hot pressing is carried out, the temperature is controlled to be 145-160 ℃, the pressure is controlled to be 0.5-0.7mpa, the duration is 18-25 seconds, and then the glossy paper is torn off after cooling for 10-15 minutes;
step seven: after printing, spraying the solid powder pigment on the ink layer of the decorative cloth to form a coating solidification heat sublimation ink layer and a solidification layer of the workpiece;
step eight: after irradiating for 4 minutes by ultraviolet light, performing secondary hot pressing by using a heat transfer printing device, wherein the temperature of the secondary hot pressing is 140-150 ℃, and the pressure is 0.5-0.7mpa, and the duration is 20-30 seconds.
In a preferred mode of the invention, the ink receptive coating composition comprises: 67-78 parts of purified water, 18-23 parts of sodium carboxymethylcellulose CMC, 1-4 parts of extinction powder, 3-5 parts of hydroxyethyl urea and 0.5-1 part of defoamer.
In a preferred mode of the invention, the high temperature resistant resin is one or a mixture of more of polyester acrylic resin, silicone resin, polyethylene resin and epoxy acrylic resin.
In a preferred mode of the invention, the adhesion promoter is a silane coupling agent.
In a preferred embodiment of the present invention, the dispersant is any one of a fatty acid inhibitor, an aliphatic amide, and a polyethylene wax.
In a preferred mode of the invention, the leveling agent is any one of polydimethylsiloxane, polyether polyester modified organosiloxane and alkyl modified organosiloxane.
In a preferred mode of the invention, the leveling agent is any one of fatty alcohol, polyoxyethylene ether and sulfate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the ink-adsorbed glossy paper is heated, the ink is evaporated and adhered on the decorative cloth and is matched with the spraying of the solid powder coating, and simultaneously, the two hot pressing processes are assisted, so that the color effect of the sublimation ink after being transferred on the surface of the decorative cloth is improved, the color is rich in layering, bright in color and small in chromatic aberration, and the transfer printing effect on the decorative cloth is improved.
2. According to the invention, the high-temperature resistant resin is added into the ink, so that the high-temperature resistance of the decorative cloth is better in the thermal transfer process, the cloth cannot be damaged by the product due to the over-high heating temperature, and the protection effect on the decorative cloth is improved.
Drawings
FIG. 1 is a flow chart of a thermal transfer process of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A thermal transfer process of a decorative cloth according to an embodiment of the present invention will be described in detail with reference to fig. 1.
With reference to figure 1 of the drawings,
examples
Referring to fig. 1, a thermal transfer process of a decorative cloth includes the steps of: firstly, selecting a decorative cloth blank required for printing, whitening and drying; step two, dust removal is carried out on the decorative cloth blank, the blank is placed in a sealed container filled with nitrogen for standing for 24 hours, and then the blank is dried in vacuum for 24 hours at 0 ℃ for standby; specifically, dust removal and drying can be carried out through the two steps, so that the surface cleanliness of the decorative cloth to be subjected to thermal transfer printing is effectively improved, and the thermal transfer printing effect is improved.
Referring to fig. 1, step three, the printing ink required for printing is proportioned, wherein the pigment is 35-50%, the high temperature resistant resin is 1-2%, the photoinitiator is 5-12%, the leveling agent is 1-2%, the dispersing agent is 8-10%, the leveling agent is 1-7%, the adhesion promoter is 5-10%, and the balance is water; the adhesion promoter is a silane coupling agent, and specifically, the adhesion promoter can promote the further reaction of each component, so that the ink is more firmly attached to the decorative cloth; the dispersing agent is any one of fatty acid-proof, aliphatic amide or polyethylene wax, and specifically, the dispersing agent is mainly used for increasing the dispersity of each component, so that the components are uniformly mixed, the formation of defoaming is reduced, and the digital printing effect is better; the leveling agent is any one of polydimethylsiloxane, polyether polyester modified organosiloxane and alkyl modified organosiloxane, and specifically, the leveling agent can enable the printed ink to have good surface tension, so that ink dripping is avoided, and forming effect is affected; the leveling agent is any one of fatty alcohol-proof, polyoxyethylene ether and sulfate, the high-temperature resistant resin is one or a mixture of more of polyester acrylic resin, organic silicon resin, polyethylene resin and epoxy acrylic resin, and the high-temperature resistant resin is added, so that the high-temperature resistance of the decorative cloth is better in the thermal transfer process, the product damage of the cloth caused by the overhigh heating temperature is avoided, and the protection effect of the decorative cloth is improved.
Referring to fig. 1, step four, printing an ink-absorbing coating on glossy paper, and drying to form an ink-absorbing coating; printing the required pattern on the ink-absorbing coating by the proportioned ink in a digital ink-jet printing mode to form transferable glossy paper; step five, placing the spare decorative cloth blank on thermal transfer equipment, then placing transferable glossy paper on the decorative part blank, performing hot pressing by using the thermal transfer equipment, and performing hot pressing on the pattern on the decorative cloth blank; when hot pressing is carried out, the temperature is controlled to be 145-160 ℃, the pressure is controlled to be 0.5-0.7mpa, the duration is 18-25 seconds, and then the glossy paper is torn off after cooling for 10-15 minutes; step seven, after printing, the solid powder pigment is sprayed on the ink layer of the decorative cloth to form a coating solidification heat sublimation ink layer and a solidification layer of the workpiece; step eight, irradiating for 4 minutes by using infrared rays at 65 ℃, and then performing secondary hot pressing by using a heat transfer printing device, wherein the temperature of the secondary hot pressing is 140-150 ℃, and the pressure is 0.5-0.7mpa, and the duration is 20-30 seconds; the photoinitiator absorbs ultraviolet light to trigger each component to generate a crosslinking reaction to form a crosslinking structure, so that the viscosity is improved; through heating the glossy paper adsorbed with the printing ink, the printing ink is evaporated and adhered to the decorative cloth and matched with the spraying solid powder coating, and simultaneously, the two hot pressing processes are assisted, so that the color effect of the sublimation printing ink after being transferred on the surface of the decorative cloth is improved, the color is rich in layering, bright in color and small in chromatic aberration, and the transfer printing effect on the decorative cloth is improved.
The implementation principle of the thermal transfer printing process embodiment of the decorative cloth is as follows:
firstly, selecting a decorative cloth blank required for printing, whitening and drying, then removing dust from the decorative cloth blank, placing the blank in a sealed container filled with nitrogen, standing for 24 hours, then vacuum drying the blank at 0 ℃ for 24 hours for later use, proportioning ink required for printing, printing ink-absorbing paint on glossy paper, and drying to form an ink-absorbing coating; printing the required pattern on the ink-absorbing coating by the proportioned ink in a digital ink-jet printing mode to form the transferable glossy paper.
Placing the spare decorative cloth blank on a thermal transfer printing device, then placing transferable glossy paper on the decorative part blank, performing hot pressing by using the thermal transfer printing device, performing hot pressing on the pattern on the decorative cloth blank, controlling the temperature to be 145-160 ℃ and the pressure to be 0.5-0.7mpa during hot pressing, lasting 18-25 seconds, cooling for 10-15 minutes, and tearing off the glossy paper; after printing, spraying the solid powder pigment on the ink layer of the decorative cloth to form a solidified layer for cladding and solidifying the thermal sublimation ink layer and the workpiece; finally, after irradiating for 4 minutes by ultraviolet light, performing secondary hot pressing by using a heat transfer printing device, wherein the temperature of the secondary hot pressing is 140-150 ℃, and the pressure is 0.5-0.7mpa, and the duration is 20-30 seconds; through heating the glossy paper adsorbed with the printing ink, the printing ink is evaporated and adhered to the decorative cloth and matched with the spraying solid powder coating, and simultaneously, the two hot pressing processes are assisted, so that the color effect of the sublimation printing ink after being transferred on the surface of the decorative cloth is improved, the color is rich in layering, bright in color and small in chromatic aberration, and the transfer printing effect on the decorative cloth is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The heat transfer printing process of the decorative cloth is characterized by comprising the following steps of:
step one: selecting decorative cloth blanks required by printing, whitening and drying;
step two: dedusting the decorative cloth blank, placing the blank in a sealed container filled with nitrogen, standing for 24 hours, and then vacuum drying the blank at 0 ℃ for 24 hours for later use;
step three: the printing ink for printing is prepared from (by weight) pigment 35-50%, high-temperature resistant resin 1-2%, photoinitiator 5-12%, leveling agent 1-2%, dispersant 8-10%, leveling agent 1-7%, adhesion promoter 5-10%, and water in balance;
step four: printing ink-absorbing paint on the glossy paper, and drying to form an ink-absorbing coating; printing the required pattern on the ink-absorbing coating by the proportioned ink in a digital ink-jet printing mode to form transferable glossy paper;
step five: placing the spare decorative cloth blank on thermal transfer equipment, then placing transferable oil paper on the decorative part blank, performing hot pressing by using the thermal transfer equipment, and performing hot pressing on the pattern on the decorative cloth blank;
step six: when hot pressing is carried out, the temperature is controlled to be 145-160 ℃, the pressure is controlled to be 0.5-0.7mpa, the duration is 18-25 seconds, and then the glossy paper is torn off after cooling for 10-15 minutes;
step seven: after printing, spraying the solid powder pigment on the ink layer of the decorative cloth to form a coating solidification heat sublimation ink layer and a solidification layer of the workpiece;
step eight: after irradiating for 4 minutes by ultraviolet light, performing secondary hot pressing by using a heat transfer printing device, wherein the temperature of the secondary hot pressing is 140-150 ℃, and the pressure is 0.5-0.7mpa, and the duration is 20-30 seconds.
2. A thermal transfer process for a decorative cloth according to claim 1, wherein said ink receptive coating composition comprises: 67-78 parts of purified water, 18-23 parts of sodium carboxymethylcellulose CMC, 1-4 parts of extinction powder, 3-5 parts of hydroxyethyl urea and 0.5-1 part of defoamer.
3. A thermal transfer process for a decorative cloth as defined in claim 1, wherein: the high-temperature resistant resin is one or a mixture of more of polyester acrylic resin, organic silicon resin, polyethylene resin and epoxy acrylic resin.
4. A thermal transfer process for a decorative cloth as defined in claim 1, wherein: the adhesion promoter is a silane coupling agent.
5. A thermal transfer process for a decorative cloth as defined in claim 1, wherein: the dispersing agent is any one of fatty acid prevention, aliphatic amide or polyethylene wax.
6. A thermal transfer process for a decorative cloth as defined in claim 1, wherein: the leveling agent is any one of polydimethylsiloxane, polyether polyester modified organosiloxane and alkyl modified organosiloxane.
7. A thermal transfer process for a decorative cloth as defined in claim 1, wherein: the leveling agent is any one of fatty alcohol, polyoxyethylene ether and sulfate.
CN202311467415.5A 2023-11-07 2023-11-07 Thermal transfer printing process of decorative cloth Pending CN117626690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311467415.5A CN117626690A (en) 2023-11-07 2023-11-07 Thermal transfer printing process of decorative cloth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311467415.5A CN117626690A (en) 2023-11-07 2023-11-07 Thermal transfer printing process of decorative cloth

Publications (1)

Publication Number Publication Date
CN117626690A true CN117626690A (en) 2024-03-01

Family

ID=90032979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311467415.5A Pending CN117626690A (en) 2023-11-07 2023-11-07 Thermal transfer printing process of decorative cloth

Country Status (1)

Country Link
CN (1) CN117626690A (en)

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