CN111591056B - Transfer printing film for water transfer printing technology and preparation method and application thereof - Google Patents
Transfer printing film for water transfer printing technology and preparation method and application thereof Download PDFInfo
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- CN111591056B CN111591056B CN201910853456.5A CN201910853456A CN111591056B CN 111591056 B CN111591056 B CN 111591056B CN 201910853456 A CN201910853456 A CN 201910853456A CN 111591056 B CN111591056 B CN 111591056B
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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
- B41M5/0256—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet the transferable ink pattern being obtained by means of a computer driven printer, e.g. an ink jet or laser printer, or by electrographic means
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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
- B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble
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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
- B41M5/06—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using master sheets coated with jelly-like materials, e.g. gelatin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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Abstract
The invention provides a transfer printing film for a water transfer printing technology, which comprises the following raw material components in parts by weight: 30-80 parts of film forming resin; 30-60 parts of a diluent; 0.01-0.1 part of defoaming agent; 0.01-0.2 parts of a surfactant; 0.01-0.15 parts of a leveling agent; the film-forming resin is selected from polyester resin, wherein the polyester resin is selected from polyester resin with the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃; the diluent is not an alcohol diluent or a hydrocarbon diluent.
Description
Technical Field
The invention belongs to the technical field of water transfer printing, and particularly relates to a transfer film for a water transfer printing technology, a preparation method of the transfer film, laser printing paper and a water transfer printing method.
Background
The water transfer printing is a printing for transferring the picture and text of the transfer printing paper/transfer printing film with the color pattern by using water as a dissolving medium. With the improvement of the requirements of people on product packaging and decoration, the water transfer printing has wider and wider application. The principle of water transfer printing indirect printing and perfect printing effect solve the difficult problem of surface decoration of a plurality of products, and are mainly used for surface image-text transfer printing of various products with complicated shapes. The main flow of traditional water transfer printing, water transfer printing color pictures and texts with tearable films is as follows: (1) and (3) screen plate making: stretching a net, degreasing, drying, film-exposing, developing, drying, repairing and sealing the net; (2) printing the image-text outline of the transparent base oil on the small film base paper; (3) color offset plate making; (4) color offset printing (which must be overprinted on a transparent primer profile); (5) screen printing: respectively printing surface oil, isolation oil, ink capable of tearing film and finished product. Traditional water transfer printing is because of passing through plate-making twice, consequently, not only needs equipment more, for example: a screen printing machine, a plate printing machine, a screen stretching machine, a drying machine, an air drying frame, a four-color offset printing machine and the like, so that the printing cost is high, the investment is low, 500 million yuan is increased, and more, 500 million yuan is increased; and the procedures are complicated, the period is long, and professional printing technicians are required.
Disclosure of Invention
The invention aims to provide a transfer printing film for a water transfer printing technology and a preparation method thereof, and aims to solve the problems of high cost and complex process of the existing water transfer printing.
The invention also aims to provide laser printing paper containing the transfer film and a water transfer printing method using the laser printing paper.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a transfer printing film for a water transfer printing technology, which comprises the following raw material components in parts by weight:
the film-forming resin is selected from polyester resin, wherein the polyester resin is selected from polyester resin with the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃;
the diluent is not an alcohol diluent or a hydrocarbon diluent.
The invention provides a preparation method of a transfer printing film for water transfer printing technology, which comprises the following steps:
weighing the components according to the raw material formula of the transfer printing film, and providing water transfer printing base paper, wherein the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer;
mixing the raw materials of the transfer printing film to obtain a coating adhesive;
and depositing the film coating glue on the surface of the ink layer arranged on the water transfer printing base paper, and drying to form the transfer printing film.
The third aspect of the invention provides laser printing paper, which comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, wherein the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film.
The fourth aspect of the present invention provides a water transfer printing method, comprising the steps of:
providing laser printing paper, wherein the laser printing paper comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, and the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film;
printing a pattern to be transferred on the surface of the transfer printing film of the laser printing paper;
placing the laser printing paper printed with the pattern to be transferred into water for soaking treatment, so that the water transfer printing base paper of the laser printing paper is separated from the transfer printing film;
after cleaning the soaked laser printing paper, removing the water transfer printing base paper in a wet state, attaching one surface provided with the pattern to be transferred to the surface of an object to be transferred, and transferring the pattern to be transferred to the surface of the object to be transferred;
and heating the transfer pattern transferred to the surface of the object to be transferred.
The transfer printing film for the water transfer printing technology provided by the invention takes the polyester resin as a film forming substance, and the polyester resin, the surfactant and the flatting agent are cooperated to act together, so that the obtained transfer printing film can enable the pattern printed by a laser printer to be perfectly presented. The transfer printing film with the polyester resin as the film forming matter has high adhesion force between the pattern and the transfer printing film, and the pattern and the transfer printing film form a whole and can be firmly bonded on the surface of an object to be transferred, so that the simple and rapid transfer printing of the pattern is realized. Specifically, the polyester resin is selected from polyester resins which have the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃, so that the polyester resin has better flexibility and extensibility and is suitable for the requirements of carriers of pattern transfer; meanwhile, the polyester resin is used as film forming resin, and the obtained transfer printing film has better waterproof capacity in the water transfer printing process, so that the smooth transfer printing of the pattern to be transferred can be ensured.
The preparation method of the transfer printing film for the water transfer printing technology provided by the invention is simple and feasible, is convenient to control and is easy to realize large-scale preparation, and the transfer printing film is deposited on the water transfer printing base paper after being prepared into glue according to the raw material formula.
The invention provides laser printing paper, which comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper. The transfer printing film is the transfer printing film, the polyester resin is used as a film forming substance and is cooperated with the surfactant and the flatting agent, and the obtained transfer printing film can enable the pattern printed by the laser printer to be perfectly presented. The transfer printing film with the polyester resin as the film forming matter has high adhesion force between the pattern and the transfer printing film, and the pattern and the transfer printing film form a whole and can be firmly bonded on the surface of an object to be transferred, so that the simple and rapid transfer printing of the pattern is realized. Specifically, the polyester resin is selected from polyester resins which have the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃, so that the polyester resin has better flexibility and extensibility and is suitable for the requirements of carriers of pattern transfer; meanwhile, the polyester resin is used as film forming resin, and the obtained transfer printing film has better waterproof capacity in the water transfer printing process, so that the smooth transfer printing of the pattern to be transferred can be ensured.
The water transfer printing method provided by the invention adopts the transfer printing film as a medium, so that the pattern printed by the laser printer can be perfectly presented, the transfer printing can be simply and completely carried out, and the high-quality transfer printing pattern can be obtained.
Drawings
FIG. 1 is a schematic view of a water transfer process provided in example 1 of the present invention;
FIG. 2 is a diagram showing the effect of the water transfer printed product provided in example 1 of the present invention;
FIG. 3 is an illustration of the effect of the water transfer product provided in example 2 of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the following 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.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The first aspect of the embodiments of the present invention provides a transfer film for a water transfer printing technology, including the following raw material components in parts by weight:
wherein the film-forming resin is selected from polyester resins, wherein the polyester resins are selected from polyester resins with the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is 25 ℃ and the surface is not whitish within 60 minutes; the diluent is not an alcohol diluent or a hydrocarbon diluent.
According to the transfer printing film for the water transfer printing technology provided by the embodiment of the invention, the polyester resin is used as a film forming substance and is cooperated with the surfactant and the leveling agent, so that the obtained transfer printing film can enable the pattern printed by the laser printer to be perfectly presented. The transfer printing film with the polyester resin as the film forming matter has high adhesion force between the pattern and the transfer printing film, and the pattern and the transfer printing film form a whole and can be firmly bonded on the surface of an object to be transferred, so that the simple and rapid transfer printing of the pattern is realized. Specifically, the polyester resin is selected from polyester resins which have the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃, so that the polyester resin has better flexibility and extensibility and is suitable for the requirements of carriers of pattern transfer; meanwhile, the polyester resin is used as film forming resin, and the obtained transfer printing film has better waterproof capacity in the water transfer printing process, so that the smooth transfer printing of the pattern to be transferred can be ensured.
Specifically, in the embodiment of the present invention, the material basis of the transfer film is the film forming material, however, the difference in the properties of the film forming material directly affects the pattern transfer method.
The polyester is used as a film forming substance of the transfer film. The transfer film is used as a carrier for pattern transfer, so that the transfer film is required to have better flexibility and ductility; meanwhile, in the transfer process, particularly in the water transfer process, the transfer film inevitably needs to be in contact with water, and in order to ensure the smooth transfer of the pattern to be transferred, the transfer film has certain waterproof capability. Therefore, the film-forming material of the transfer film according to the embodiment of the present invention should have good flexibility, extensibility, and water resistance. Specifically, the polyester resin is selected from polyester resins which have a tensile breaking length of 10-200%, do not have sticky surfaces at a temperature of 120 ℃ and do not turn white for 60 minutes at a water temperature of 25 ℃. Specifically, the polyester is saturated polyester.
Preferably, the saturated polyester is selected from saturated polyester resins 601. The preferable polyester has good flexibility and weather resistance, and the obtained transfer printing film has strong bonding force with the printed pattern, so that the integrated transfer of the transfer printing film and the pattern can be realized; and under the heating condition, the bonding force of the two can be further improved, so that the film can be firmly bonded on the surface of the object to be transferred. In addition, different from the transfer printing paper adopting polyurethane as a film forming substance, the transfer printing paper adopting the saturated polyester resin 601 as the film forming resin has good adhesion and flexibility without adding other auxiliary agents, is not easy to embrittle and fall off, and can be firmly bonded on the surface of an object to be transferred.
In the embodiment of the invention, the diluent is mainly used for dissolving and diluting the film-forming material and adjusting the viscosity of the whole system. The diluent used in the embodiment of the present invention can dissolve the saturated polyester well, and at the same time, cannot react with the saturated polyester.
In some embodiments, the diluent is selected from at least one of a ketone diluent, an ester diluent, an ether diluent, and water. Such ketone diluents include, but are not limited to, cyclohexanone; ester diluents include, but are not limited to, ethyl formate, butyl acetate; the ether diluents include, but are not limited to, ethylene glycol butyl ether, propylene glycol methyl ether, dipropylene glycol methyl ether. The preferable diluent can well dissolve and dilute the film forming substance saturated polyester and adjust the viscosity of the whole system, thereby ensuring the quality of the film coating glue, enabling the surface of the produced transfer film to be smooth and flat and being beneficial to the laser printing effect. The diluent in the embodiment of the invention can be an independent ether diluent or an independent ester diluent, and in addition, the diluent can also be a mixed diluent of a water diluent, an ester diluent and an ether diluent. Preferably, the diluent is a mixed reagent of propylene glycol methyl ether, butyl acetate and cyclohexanone, and the reagent can better dissolve saturated polyester to obtain the transfer film with excellent processing performance and product performance.
In the embodiment of the invention, the defoaming agent is used for eliminating bubbles generated in a raw material system and processing production, improving the product quality of the transfer film and regulating the viscosity of the whole raw material system in cooperation with the diluent. In some embodiments, the defoamer is selected from polyether defoamers, and particularly preferably, the polyether defoamer is selected from polyether modified alkyl polysiloxane copolymer solutions, particularly, polyether modified alkyl polysiloxane copolymer solutions such as model number BYK-A525, which can substantially eliminate bubbles and facilitate the stability of the resulting raw material system when used in embodiments of the present invention.
In the embodiment of the present invention, the surfactant is a nonionic surfactant, and particularly preferably, the nonionic surfactant is selected from nonylphenol polyoxyethylene ether, and particularly, nonylphenol polyoxyethylene ether with a model number of NP-10. The obtained transfer printing film raw material has good compatibility, and is beneficial to obtaining a film layer with higher flatness, so that the transfer printing film raw material can be used as a transfer printing material.
In the embodiment of the invention, the leveling agent can form a flat and smooth coating in the process of forming a film by using a raw material system, so that the surface tension is effectively reduced, and the generation of spot and spot marks in the process of forming the film is reduced. In some embodiments, preferably, the leveling agent is selected from polysiloxane-polyether copolymer, and particularly preferably, the polysiloxane-polyether copolymer is selected from TEGO Glide 450.
The transfer film provided by the embodiment of the invention can be prepared by the following method.
Accordingly, a second aspect of the embodiments of the present invention provides a method for preparing a transfer film for use in a water transfer printing technology, including the following steps:
s01, weighing the components according to the raw material formula of the transfer printing film, and providing water transfer printing base paper, wherein the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer;
s02, mixing the raw materials of the transfer printing film to obtain a coating adhesive;
and S03, depositing the film coating glue on the surface of the ink layer arranged on the water transfer printing base paper, and drying to form the transfer printing film.
The preparation method of the transfer printing film provided by the embodiment of the invention is only required to be prepared into glue according to the raw material formula and then deposited on the water transfer printing base paper, and the preparation method is simple and easy to implement, convenient to control and easy to realize large-scale preparation.
Specifically, in the step S01, the raw material formula and the preferred condition of the transfer film are as described above, and are not described herein again for the sake of brevity.
Providing water transfer printing base paper for preparing the transfer printing film. The water transfer printing base paper is small membrane base paper, and an ink layer is arranged on at least one surface of the small membrane base paper of the water transfer printing base paper for preparing the transfer printing membrane. The ink layer is used for bearing a slurry system formed by the raw materials of the transfer printing film and forming a corresponding transfer printing film and is used as an intermediate layer, so that the water transfer printing base paper can be removed on the basis of not damaging the transfer printing film in the subsequent water transfer printing process.
The film forming material in the transfer printing paper is polyester resin, the pattern to be transferred is directly printed on the surface of the transfer printing film, and the pattern to be transferred is directly separated from the transfer printing film and is transferred to the surface of an object to be transferred. In this case, the ink layer is selected from inks other than the water transfer base oil.
In some embodiments, the water transfer base paper for preparing the transfer printing film is provided with an ink layer on one surface of the small film base paper, and is used for preparing the transfer printing film and printing the pattern to be transferred. In some embodiments, the water transfer base paper for preparing the transfer printing film is provided with ink layers on two surfaces of the small film base paper, the transfer printing films are prepared on the surfaces of the two ink layers, and then patterns to be transferred are deposited on the surfaces of the two transfer printing films, so that the water transfer efficiency is improved, and the production cost is reduced.
In step S02, the raw materials of the transfer film are mixed to obtain a coating adhesive. In some embodiments, the raw materials of the transfer film are mixed to prepare the coating glue by the following steps:
after the polyester resin with the formula amount is placed in a reaction kettle, the diluent is added for first stirring and mixing to obtain a first mixed material. Preferably, the stirring speed of the first stirring and mixing is 800-. And after the first stirring treatment is finished, respectively adding a defoaming agent, a surfactant and a flatting agent into the first mixed material, and continuing the second stirring treatment. Preferably, the stirring speed of the second stirring and mixing is 1000-2000 rpm, and the stirring time is 16-25 minutes, and more preferably 20 minutes.
The coating adhesive prepared by the method is uniform in slurry system, has proper viscosity, and has good base material adhesion to patterns to be subjected to water transfer printing.
In some embodiments, the viscosity of the coating adhesive is 500-1000CPS, which is more favorable for improving the substrate adhesive force of the pattern to be subjected to water transfer printing and is favorable for production processing and quality guarantee of the transfer printing film.
In step S03, the coating film adhesive is deposited on the surface of the ink layer of the water transfer base paper, and dried to form a film, thereby obtaining a transfer film for water transfer. The deposition of the coating film adhesive on the surface of the water transfer base paper provided with the ink layer is not strictly limited, and can be performed by a bar coating, roll coating or blade coating method.
In some embodiments, in the step of depositing the film coating adhesive on the water transfer printing base paper, the film coating speed is 4-10m/min, so that the surface of the transfer printing film in the coating process is smoother and smoother.
In some embodiments, the thickness of the silk rod is 40-120 muir in the step of depositing the coating film adhesive on the water transfer base paper, so that a suitable thickness of the transfer film can be obtained.
The third aspect of the embodiments of the present invention provides a laser printing paper, where the laser printing paper includes a water transfer base paper and a transfer film disposed on at least one surface of the water transfer base paper, where the water transfer base paper is a small film base paper having at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film.
The laser printing paper provided by the embodiment of the invention comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper. The transfer printing film is the transfer printing film disclosed by the embodiment of the invention, and the polyester resin is used as a film forming substance and is cooperated with the surfactant and the leveling agent, so that the obtained transfer printing film can enable the pattern printed by the laser printer to be perfectly presented. The transfer printing film with the polyester resin as the film forming matter has high adhesion force between the pattern and the transfer printing film, and the pattern and the transfer printing film form a whole and can be firmly bonded on the surface of an object to be transferred, so that the simple and rapid transfer printing of the pattern is realized. Specifically, the polyester resin is selected from polyester resins which have the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃, so that the polyester resin has better flexibility and extensibility and is suitable for the requirements of carriers of pattern transfer; meanwhile, the polyester resin is used as film forming resin, and the obtained transfer printing film has better waterproof capacity in the water transfer printing process, so that the smooth transfer printing of the pattern to be transferred can be ensured.
Specifically, the water transfer printing base paper for preparing the transfer printing film is provided with an ink layer on at least one surface of the small film base paper. The ink layer is used for bearing a slurry system formed by the transfer printing film raw materials and forming a corresponding transfer printing film and is used as an intermediate layer, so that the water transfer printing base paper can be removed without damaging the transfer printing film in the subsequent water transfer printing process.
The film forming material in the transfer printing paper is polyester resin, the pattern to be transferred is directly printed on the surface of the transfer printing film, and the pattern to be transferred is directly separated from the transfer printing film and is transferred to the surface of an object to be transferred. In this case, the ink layer is selected from inks other than the water transfer base oil.
In some embodiments, an ink layer is disposed on one surface of the small film base paper of the water transfer base paper for preparing the transfer film, and is used for preparing the transfer film and printing the pattern to be transferred. In some embodiments, the water transfer base paper for preparing the transfer printing film is provided with ink layers on two surfaces of the small film base paper, the transfer printing films are prepared on the surfaces of the two ink layers, and then patterns to be transferred are deposited on the surfaces of the two transfer printing films, so that the water transfer efficiency is improved, and the production cost is reduced.
The transfer film disposed on at least one surface of the water transfer base paper is as described above, and is not described herein for brevity.
A fourth aspect of an embodiment of the present invention provides a water transfer method, including the steps of:
E01. providing laser printing paper, wherein the laser printing paper comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, and the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film;
E02. printing a pattern to be transferred on the surface of the transfer printing film of the laser printing paper;
E03. placing the laser printing paper printed with the pattern to be transferred into water for soaking treatment, so that the water transfer printing base paper of the laser printing paper is separated from the transfer printing film;
E04. after cleaning the soaked laser printing paper, removing the water transfer printing base paper in a wet state, attaching one surface provided with the pattern to be transferred to the surface of an object to be transferred, and transferring the pattern to be transferred to the surface of the object to be transferred;
E05. and heating the transfer pattern transferred to the surface of the object to be transferred.
According to the water transfer printing method provided by the embodiment of the invention, the transfer printing film is used as a medium, so that the pattern printed by a laser printer can be perfectly presented, the transfer printing can be simply and completely carried out, and the high-quality transfer printing pattern can be obtained. According to the embodiment of the invention, the transfer film obtained by using the polyester resin as the film forming substance can enable the pattern printed by the laser printer to be perfectly presented. The transfer printing film using the polyester resin as the film forming material has strong bonding force between the pattern and the transfer printing film, and the pattern and the transfer printing film form a whole and can be firmly bonded on the surface of an object to be transferred, so that the simple and quick transfer printing of the pattern is realized. Specifically, the polyester resin is selected from polyester resins which have the tensile breaking length of 10-200%, the surface is not sticky under the condition of 120 ℃ and the water temperature is not whitish for 60 minutes under the condition of 25 ℃, so that the polyester resin has better flexibility and extensibility and is suitable for the requirements of carriers of pattern transfer; meanwhile, the polyester resin is used as film forming resin, and the obtained transfer printing film has better waterproof capacity in the water transfer printing process, so that the smooth transfer printing of the pattern to be transferred can be ensured.
Specifically, in the step E01, the laser printing paper includes a water transfer base paper and a transfer film disposed on at least one surface of the water transfer base paper, where the water transfer base paper is a small film base paper having at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film, so that details are not repeated here for saving space.
In the step E02, a pattern to be transferred is printed on the surface of the transfer film of the laser printing paper, so as to realize image-text output. The specific mode of the graphic output is not strictly limited, and the graphic output is preferably realized by printing with a laser printer.
In the step E03, the laser printing paper printed with the pattern to be transferred is soaked in water, so that the transfer film printed with the pattern to be transferred is separated from the water transfer base paper.
Preferably, the laser printing paper printed with the pattern to be transferred is soaked in water at normal temperature (10-35 ℃) for more than or equal to 30s, and more preferably 30-60 s.
In the step E04, after the soaked laser printing paper is cleaned, in a wet state, one side on which the pattern to be transferred is disposed is attached to the surface of the object to be transferred, and the water transfer base paper is removed, so that the pattern to be transferred is transferred to the surface of the object to be transferred. Specifically, the surface of the transfer printing film printed with the pattern to be transferred is upward, the water transfer printing substrate is downward, the lower layer of the water transfer printing substrate paper is removed, and meanwhile, the transfer printing film printed with the pattern to be transferred is adsorbed to the surface of an object to be transferred. Therefore, the printing pattern is transferred to the surface of the object to be transferred by the transfer printing film. Of course, the laser printing paper on which the pattern to be transferred is printed may be cut according to the size of the actual transfer pattern.
Furthermore, the pattern after transfer printing can be subjected to air exhaust and water drainage treatment, so that moisture and air bubbles between the transfer printing film and the object to be transferred are removed, and the adhesive force between the transfer printing pattern and the object to be transferred is enhanced.
In the step E05, the transfer pattern and the transfer film transferred to the surface of the object to be transferred are heated, so as to further enhance the adhesion between the transfer pattern and the transfer film and between the transfer film and the object to be transferred, and to firmly bond the transfer pattern and the transfer film to the surface of the object to be transferred. Preferably, the heating conditions are as follows: heating for 10-20 minutes at 170-180 ℃. The preferable heating condition can not only effectively enhance the adhesive force between the strong transfer printing pattern and the transfer printing film and between the transfer printing film and the transferred object, but also can not damage the transfer printing pattern.
In the embodiment of the invention, the heating mode can be realized by adopting an oven.
The line side is described with reference to specific embodiments.
Example 1
As shown in fig. 1, a water transfer printed product is prepared by the following method:
E11. providing laser printing paper, wherein the laser printing paper comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, and the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film; the material comprises the following raw material components in parts by weight: 45 parts of polyester; 55 parts of a diluent; 0.06 part of defoaming agent; 0.15 part of a surfactant; 0.01 part of a leveling agent; the polyester is selected from saturated polyester resin 601; the mixed diluent is propylene glycol methyl ether; the defoaming agent is a polyether modified alkyl polysiloxane copolymer solution with the model number of BYK-A525; the surfactant is selected from nonylphenol polyoxyethylene ether with the model number of NP-10; the leveling agent is a polysiloxane-polyether copolymer of TEGO Glide 450.
E12. And printing a pattern to be transferred on the surface of the transfer printing film of the laser printing paper by using a color laser printer.
E13. Placing the laser printing paper printed with the pattern to be transferred into water for soaking for 50s, so that the water transfer printing base paper of the laser printing paper is separated from the transfer printing film;
E14. the method comprises the following steps of enabling a soaked laser printing paper to be in a wet state, enabling one surface of a pattern to be transferred to face upwards and a water transfer printing substrate to face downwards, removing water transfer printing base paper, simultaneously attaching a transfer printing film provided with the pattern to be transferred to the surface of an object to be transferred, and transferring the pattern to be transferred to the surface of the object to be transferred; moisture and air bubbles were removed.
E15. And heating the transfer printing pattern transferred to the surface of the object to be transferred for 15 minutes by adopting an oven at the temperature of 180 ℃ so that the transfer printing pattern and the transfer printing film are firmly combined on the surface of the object to be transferred.
Example 2
A water transfer printing product is prepared by the following method:
E21. providing laser printing paper, wherein the laser printing paper comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, and the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film; the material comprises the following raw material components in parts by weight: 50 parts of polyester; 50 parts of a diluent; 0.05 part of defoaming agent; 0.15 part of a surfactant; 0.01 part of a leveling agent; the polyester is selected from saturated polyester resin 601; the mixed diluent is propylene glycol methyl ether; the defoaming agent is a polyether modified alkyl polysiloxane copolymer solution with the model number of BYK-A525; the surfactant is selected from nonylphenol polyoxyethylene ether with the model number of NP-10; the leveling agent is a polysiloxane-polyether copolymer of TEGO Glide 450.
E22. And printing a pattern to be transferred on the surface of the transfer printing film of the laser printing paper by using a color laser printer.
E23. Placing the laser printing paper printed with the pattern to be transferred in water for soaking for 45s, so that the water transfer printing base paper of the laser printing paper is separated from the transfer printing film;
E24. the method comprises the following steps of enabling soaked laser printing paper to be in a wet state, enabling one surface of the laser printing paper to be upwards transferred with a pattern, enabling a water transfer printing substrate to be downwards, enabling one surface of the laser printing paper to be upwards transferred with the pattern, enabling the water transfer printing substrate to be downwards, removing water transfer printing base paper, simultaneously attaching a transfer printing film provided with the pattern to be transferred to the surface of an object to be transferred, and transferring the pattern to be transferred to the surface of the object to be transferred; moisture and air bubbles were removed.
E25. And heating the transfer printing pattern transferred to the surface of the object to be transferred for 15 minutes by adopting an oven at the temperature of 175 ℃, so that the transfer printing pattern and the transfer printing film are firmly combined on the surface of the object to be transferred.
Example 1 a product obtained by using a porcelain dish as an object to be transferred and transferring by the method is shown in fig. 2, and as shown in fig. 2, the pattern printed by a laser printer can be completely transferred and perfectly presented on the surface of the porcelain dish by the transfer printing by the method. Example 2 the porcelain dish is used as the object to be transferred, and the product obtained after the transfer printing by the method is shown in fig. 3, as can be seen from fig. 3, the pattern printed by the laser printer can be completely transferred and perfectly presented on the surface of the porcelain dish by the transfer printing by the method.
The transfer products prepared in example 1 and example 2 were subjected to performance tests, and the test methods and test results were as follows:
(1) the transfer products prepared in example 1 and example 2 were soaked in water, and the color of the pattern was not changed after 24 hours of soaking treatment.
(2) Wear resistance: the pattern surfaces of the transfer products prepared in the examples 1 and 2 were scraped back and forth 20 times by using a fingernail, and the pattern surfaces were free of scratches;
(3) heat resistance: the transfer products prepared in example 1 and example 2 were heated at 120 ℃ for 30 minutes, and the patterns were not yellowed.
(4) Adhesion force: the transfer products prepared in examples 1 and 2 were scratched with a fingernail 20 times back and forth on the pattern surface without pattern dropout.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A preparation method of a transfer printing film for a water transfer printing technology is characterized by comprising the following steps:
the raw material formula of the transfer printing film for the water transfer printing technology is provided, and the raw material of the transfer printing film comprises the following raw material components in parts by weight:
the film-forming resin is selected from saturated polyester resin 601, and the diluent is propylene glycol methyl ether; the defoaming agent is a polyether modified alkyl polysiloxane copolymer solution with the model number of BYK-A525; the surfactant is selected from nonylphenol polyoxyethylene ether with the model number of NP-10; the flatting agent is a polysiloxane-polyether copolymer of TEGO Glide 450;
wherein the saturated polyester resin 601 has a tensile break length of 10 to 200%, a surface that is not tacky at a temperature of 120 ℃ and does not whiten for 60 minutes at a water temperature of 25 ℃;
providing water transfer printing base paper, wherein the water transfer printing base paper is small membrane base paper with at least one surface provided with an ink layer;
mixing the raw materials of the transfer printing film to obtain a coating adhesive;
depositing the film coating adhesive on the surface of the ink layer arranged on the water transfer printing base paper, and drying to form a transfer printing film; the transfer printing product prepared by the transfer printing film is soaked in water for 24 hours, and the color of the pattern is unchanged; the surface of the pattern of the transfer product prepared by the transfer film is scraped back and forth for 20 times by a fingernail, and the surface of the pattern has no scar; the transfer printing product prepared by the transfer printing film is heated for 30 minutes at the temperature of 120 ℃, and the pattern is not yellowed; the transfer product prepared by the transfer film is scraped back and forth on the surface for 20 times by using a fingernail, and the pattern does not fall off.
2. The method as claimed in claim 1, wherein the coating adhesive has a viscosity of 500-; and/or
Depositing the coating adhesive on the surface of the ink layer arranged on the water transfer printing base paper by adopting a bar coating, roll coating or blade coating method, wherein in the step of depositing the coating adhesive on the water transfer printing base paper, the coating speed is 4-10 m/min; and/or
In the step of depositing the coating film adhesive on the water transfer base paper, the thickness of the silk rod is 40-120 muir.
3. The laser printing paper is characterized by comprising water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, wherein the water transfer printing base paper is small film base paper with an ink layer arranged on at least one surface; the transfer film is disposed on the surface of the ink layer of the water transfer base paper, and the transfer film is according to any one of claims 1 to 2.
4. A water transfer printing method, comprising the steps of:
providing laser printing paper, wherein the laser printing paper comprises water transfer printing base paper and a transfer printing film arranged on at least one surface of the water transfer printing base paper, and the water transfer printing base paper is small film base paper with at least one surface provided with an ink layer; the transfer printing film is arranged on the surface of the ink layer of the water transfer printing base paper, and the transfer printing film is the transfer printing film according to any one of claims 1 to 2;
printing a pattern to be transferred on the surface of the transfer printing film of the laser printing paper;
placing the laser printing paper printed with the pattern to be transferred into water for soaking treatment, so that the water transfer printing base paper of the laser printing paper is separated from the transfer printing film;
after cleaning the soaked laser printing paper, removing the water transfer printing base paper in a wet state, attaching one surface provided with the pattern to be transferred to the surface of an object to be transferred, and transferring the pattern to be transferred to the surface of the object to be transferred;
and heating the transfer pattern transferred to the surface of the object to be transferred.
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