KR20110131502A - Method of hydraulic transfer for soft articles and soft articles manufactured by using the same - Google Patents
Method of hydraulic transfer for soft articles and soft articles manufactured by using the same Download PDFInfo
- Publication number
- KR20110131502A KR20110131502A KR1020100050962A KR20100050962A KR20110131502A KR 20110131502 A KR20110131502 A KR 20110131502A KR 1020100050962 A KR1020100050962 A KR 1020100050962A KR 20100050962 A KR20100050962 A KR 20100050962A KR 20110131502 A KR20110131502 A KR 20110131502A
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- Prior art keywords
- transfer
- soft
- film
- transfer film
- article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B44C1/175—Transfer using solvent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
Landscapes
- Decoration By Transfer Pictures (AREA)
Abstract
Description
The present invention applies a hydraulic pressure transfer method, which is limited to a hard article, to a soft article such as rubber and various foams, thereby creating a more beautiful and delicate pattern on the soft article while implementing low-cost production, maintenance cost, and a simple process. The present invention relates to a hydraulic transfer method of a soft article and a soft article using the same.
In general, water pressure transfer transfers the pattern layer of the transfer film onto the three-dimensional three-dimensional transfer object while having low cost, production cost, and simple process, compared to other transfer methods such as thermal transfer. As a transfer method, a support film made of a water-soluble or water-swellable resin and a transfer film having a patterned layer are floated on the surface of water, and the decorative layer is softened with an activator. This is a method of transferring the patterned layer to the transfer target using.
However, the above-mentioned hydraulic transfer has been used only for hard articles, because of the low adhesion between the soft subject having mobility and elasticity and the transfer film, and the yellowing of the soft subject during hydrostatic transfer. Hydraulic transfer cannot be applied to soft goods'.
For example, in transferring various patterns to uppers in which midsoles, outsoles or soft leathers, etc., of shoes to which soft articles such as rubber or various foams are essentially applied are used, Korean Patent No. 20-0359454 (Shoes of Shoes) Printing apparatus), as proposed in Korean Patent Publication No. 10-2002-0035055 (pattern transfer apparatus and the transfer method of the shoe sole), Republic of Korea Patent Publication No. 10-2002-0093165 (method of forming the object surface printed pattern), Various patterns are transferred through the thermal transfer method, which is because, as described above, the application of the hydraulic transfer method is limited due to low adhesive force, yellowing, shoe sole shape, and the like.
Accordingly, there is a need for a hydraulic transfer method that can be applied to soft articles made of soft materials such as rubber and various foams.
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and developed a hydraulic pressure transfer method of a soft article that can be applied to a soft article such as rubber, various foams, etc., which is limited to a hard article. The object of the present invention is to provide a method of hydraulically transferring a soft article and to produce a soft article manufactured using the same, which can realize a high quality of the product by creating a more beautiful and delicate pattern on the soft product while maintaining a maintenance cost and a simple process.
The present invention is a washing and drying step of removing foreign matter remaining on the surface of the soft transfer target; A painting step of applying an adhesive paint to the soft subject to improve the adhesion of the transfer film pattern layer to the soft transfer object; After the transfer film floats in the transfer tank, the transfer film activation step of spraying the activator to the aqueous solution in the support film, the pattern layer, the paint layer and the transfer tank of the transfer film; Transferring the patterned layer of the transfer film to the soft transfer body by immersing the soft transfer body from the surface of the transfer film floated in the transfer tank; After the transfer step, the transfer film removal step of washing and drying the support film of the remaining transfer film, and applying and drying the liquid paint to the transfer target to form a coating layer on the surface of the soft transfer target transfer the pattern layer The method of hydraulic transfer of a soft article including a coating film forming step is a problem solving means.
In addition, the soft article, the pattern is pressure-transferred by the pressure transfer method of the soft article as another problem solving means.
On the other hand, the washing and drying step, after the surface cleaning process using isopropyl alcohol (isopropyl alcohol), it is preferable to wash and dry at 20 ℃, air pressure of 0.3MPa.
In addition, in the coating step, it is preferable to apply an adhesive paint to the soft subject to a thickness of 10 to 30㎛, and to dry for 10 to 30 minutes at 60-100 ℃.
In addition, in the transfer film activating step, it is preferable to float the transfer film in an aqueous solution in the transfer tank, wait for 2 minutes, and then spray the activator at 15 ~ 25g / ㎠.
In addition, the transfer step, by inclining the soft transfer object to 10 to 40 ° from the transfer film to pressurize at a speed of 1 to 2 m / min, and then settled for 10 seconds, lifted at a speed of 2 to 3 m / min It is preferable to transfer.
In the removing of the transfer film, 20 to 50 minutes of water of the remaining transfer film is sprayed for 20 to 50 minutes to remove the support film, and it is preferable to dry at 40 to 80 degrees for 20 to 50 minutes.
In addition, the coating film forming step, it is preferable that the liquid coating is applied to a thickness of 5 to 35㎛ and dried at 40 to 80 ℃ for 10 to 40 minutes.
In addition, it is preferable that the pattern layer of the transfer film is a polyurethane resin containing cyclohexanone, dimethylformamide (DMF, dimethylformamide) and a pigment.
According to the present invention, it is possible to apply the water pressure transfer method, which is limited to hard articles, to soft articles such as rubber and various foams, so that it is more beautiful to the soft products while implementing low production, maintenance costs and simple processes. It creates high quality and delicate patterns.
1 is a flow chart showing a hydraulic transfer method of a soft article according to the present invention.
The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.
Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and effect of the preferred embodiment of the present invention.
1 is a flow chart illustrating a method of hydraulically transferring a soft article according to the present invention. The present invention relates to a soft article (hereinafter, referred to as a "soft subject") such as rubber, various foams, for example, a shoe midsole or an outsole. The present invention relates to a method of hydraulically transferring various patterns including shapes, colors, and the like, and includes a washing and drying step (S10), a coating step (S20), a transfer film activation step (S30), a transfer step (S40), and a transfer film removal step. It includes a (S50) and the coating film forming step (S60).
The washing and drying step (S10) is a step of removing foreign matters such as fine dust or oil remaining on the surface of the soft transfer target, and when oil remains on the surface of the soft transfer target, the adhesive is firmly applied to the corresponding portion. Since it does not have a washing and drying process as described above.
The washing and drying process performs a washing process and a water drying process, and performs a degreasing process using a cleaning agent.
As the cleaning agent, a surface conditioner, a coating agent, or a degreasing cleaner may be used. Specifically, isopropyl alcohol, normal heptane (n-heptane) or a similar solvent may be used. Ultraviolet rays may be irradiated onto the surface, or ultrasonic or distilled water may be washed and then heat dried.
However, in consideration of production efficiency such as production cost and time, a sufficient surface cleaning effect can be achieved by only a step of wiping the surface of the soft transfer object with isopropyl alcohol or the like. In one embodiment, isopropyl alcohol is used. It is effective to wash and dry by air pressure of 20 degreeC and 0.3 Mpa after surface-cleaning process by using.
The coating step (S20) is a process for improving the adhesive force of the pattern layer of the support film and the pattern layer constituting the transfer film to the soft transfer object, various adhesive paints such as enamel-based adhesive paint is used It is preferable to apply an adhesive paint to the soft subject to a thickness of 10-30㎛, and to dry for 10-30 minutes at 60-100 ℃, in one embodiment to form a 15㎛ thick adhesive coating layer Drying at 80 ° C. for 8 minutes is effective.
At this time, the coating is generally a spraying method using a spray, it may be applied by dividing the circuit several times so that the paint is uniformly formed on the soft transfer object.
The transfer film activating step (S30) is a process for increasing the transfer effect of the transfer film to the adhesive paint, the support film, the pattern layer, the paint layer and the transfer tank of the transfer film floated in the aqueous solution in the transfer tank. It is preferable to spray the activator to the aqueous solution at 15 ~ 25g / ㎠, in one embodiment, float the transfer film in the aqueous solution in the transfer tank, wait for 2 minutes to activate the support film, and then 15 ~ 25g activator Spraying at / cm 2 is effective.
The transfer film used in the present invention is a resin for adjusting the viscosity of 5 to 20% by weight, adhesion, post-processing, coating properties, solids to implement resistance, heat, alkali igration (Nigration), etc. ~ 20% by weight, resin dissolution, viscosity properties, 30 to 60% by weight solvent for adjusting the drying rate and 1-8% by weight of the preparation to improve the coating properties and stabilize the printability using a transfer film It is preferable.
The activator is toluene, xylene, xylene, ethyl cellosolve, butyl cellosolve, butyl carbitol, butyl carbitol acetate, butyl caritol acetate, Methyl isobutyl ketone, carbitol, carbitol acetate, cellosolve acetate, ethyl acetate, ethyl acetate, butyl acetate, isobutyl acetate acetate), isobutyl alcohol, isopropyl alcohol, isopic acetate, sorrpict acetate, isoamyl acetate, amyl acetate, methyl isoamyl ketone ( methyl isoamyl ketone) and mixtures thereof may be used. The degree of dissolution of the transfer film pattern layer and the physical and chemical properties of the soft transfer target are determined by the amount of the activator to be sprayed.
At this time, when the D-limonene is added to the activator, the softening phenomenon and surface activation of the pattern layer occurs at the same time to greatly improve the transfer effect, and at the same time it is possible to extend the service life of the aqueous solution in the transfer bath.
The transfer step (S40) is a step of transferring the pattern layer of the transfer film to the soft transfer material, the soft transfer material is pressurized from the upper surface of the transfer film floated on the surface of the aqueous solution to sink and then transfer the transfer. do.
Acrylic, polyurethane, epoxy, urea or polyester resin is used as the pattern layer of the transfer film to be transferred, but it is preferable to apply a polyurethane resin when considering the swelling by the activator and the soft property of the transfer object, In one embodiment it is effective to apply a polyurethane resin mixed with additives such as cyclohexanone, dimethylformamide (DMF, dimethylformamide), pigments.
On the other hand, in pressing the soft subject to the upper surface of the transfer film, in order to increase the transfer effect, it is preferable to incline and press the soft transfer object from the transfer film, the inclination angle is in accordance with the shape and size of the soft transfer object Although it may vary, it is preferable to pressurize to about 10 ~ 40 ° to minimize the surface vibration, in one embodiment, press the transfer object from the top of the transfer film at a speed of 2m / min to sink in water, for 10 seconds It is effective to lift and transfer at a speed of 3 m / min after staying.
The transfer film removing step (S50) is a step of washing and drying the support film of the transfer film after the transfer of the transfer film pattern layer, the support film of the transfer film is a water-soluble or water-swellable resin, polyvinyl alcohol ( PVA, polyvinyl alcohol, polyvinylpyrrolidone (PVP), acetylcellulose, acetylcellulose, polyacrylamide, acetyl butyl cellulose, gelatin, glue, sodium alginate alginate), hydroxyethyl cellulose or carboxymethyl cellulose.
Among them, polyvinyl alcohol is easily dissolved in water, and is most commonly used because it is easily available.
In the washing method, the support film is removed by spraying water at 20 to 60 ° C. for 20 to 50 minutes and dried at 40 to 80 ° C. for 20 to 50 minutes. In one embodiment, the pattern layer of the transfer film is coated. After transferring to the carcass, it is effective to remove the support film by spraying water at a temperature of 25 ° C. for 40 minutes at a pressure of 0.1 MPa.
The coating film forming step (S60) is to form a coating layer to protect the surface of the soft transfer object transferred to the pattern layer of the transfer film, the liquid paint is applied to the transfer member and dried, the liquid paint Mix and spray organic solvents with a spray gun or use a roll coater or curtain flow coater, etc., and dry them. It is preferable to dry for 10-40 minutes at -80 degreeC, and it is effective to dry at 80 degreeC for 30 minutes in one Example.
The liquid paint may be epoxy, polyester, epoxy-polyester, acrylic or polyurethane.
In drying the applied liquid paint, active energy ray irradiation or heat drying may be applied, and active energy ray means visible ray, ultraviolet ray, electron ray, gamma ray, and all may be used, but especially ultraviolet ray is suitable, As the ultraviolet light source, a sun ray, a low pressure mercury lamp, a high pressure mercury lamp, an ultra high pressure mercury lamp, a carbon arc lamp, a metal halide lamp, a xenon lamp, or the like can be used.
As described above, the present invention provides a method for hydraulically transferring various patterns to a soft article such as rubber, various foams, for example, a shoe midsole or outsole.
In addition, the biggest reason why the conventional 'hydraulic transfer can not be applied to the soft article' is imprinted due to the yellowing phenomenon of the soft article occurring after the hydrostatic transfer.
Therefore, a yellowing test was carried out on the soft article which was hydraulically transferred by the method described above.
1. Manufacture of soft article that has transferred the pattern
(Example)
As a washing and drying step, the soft transfer body is subjected to a surface cleaning process using isopropyl alcohol at 20 ° C., followed by washing and drying at 0.3 MPa air pressure at 20 ° C., and as a coating step, the soft transfer body is 80 ° C. After drying for 8 minutes to form an adhesive coating layer having a thickness of 15㎛, as a transfer film activation step, a transfer film consisting of a support film and a pattern layer (polyurethane resin) in the aqueous solution of the transfer tank to float and activate the support film After waiting for 2 minutes, spraying the activator at 25g / ㎠ to the surface (support film and pattern layer) of the transfer film and waiting 20 seconds, as a transfer step, the transfer target at a speed of 2m / min, After pressing from the upper surface of the transfer film to sink in water and staying for 10 seconds, the transfer film is lifted and transferred at a speed of 3 m / min, and the transfer film is removed. To wash the film, polyvinyl alcohol, which is a support film, is removed by spraying water at a temperature of 25 ° C. for 40 minutes at a pressure of 0.1 MPa, and as a coating film forming step, the pattern is transferred, and the liquid on the soft transfer member from which the support film is removed. The coating material was applied, dried at 80 ° C. for 30 minutes, and a soft article obtained by transferring a pattern through hydraulic transfer was prepared.
(Comparative Example)
A soft article obtained by transferring a pattern was manufactured by a general heat transfer method.
2. Yellowing test
The degree of change was measured on a gray scale and evaluated at a grade of 1 to 5 when left for 24 hours at a temperature of 40 ° C. using a 300W UV lamp according to ASTM 1148. At this time, the higher the gray scale means that there is no discoloration of the product, the results are shown in Table 1 below.
As described above, it can be judged that the yellowing phenomenon does not occur because it is evaluated by the 3-4 grade that yellowing is not identified with the naked eye, but the comparative example has produced yellowing phenomenon that can be visually identified.
As described above, the present invention was to be applied to the water pressure transfer method used to be limited to a hard article to a soft article such as rubber, various foams, etc., thereby implementing a low production, maintenance cost and a simple process It creates more beautiful and delicate patterns on soft products, making it possible to realize high quality products.
The present invention is not limited to the above-described embodiments and the accompanying drawings, and various changes, modifications and variations may be made without departing from the scope of the present invention. Will be apparent to those of ordinary skill in the art.
S10: washing and drying step S20: painting step
S30: transfer film activation step S40: transfer step
S50: transfer film removing step S60: coating film forming step
Claims (9)
A painting step of applying an adhesive paint to the soft subject to improve the adhesion of the transfer film pattern layer to the soft transfer object;
After the transfer film floats in the transfer tank, the transfer film activation step of spraying the activator to the aqueous solution in the support film, the pattern layer, the paint layer and the transfer tank of the transfer film;
Transferring the patterned layer of the transfer film to the soft transfer body by immersing the soft transfer body from the surface of the transfer film floated in the transfer tank;
After the transfer step, the transfer film removal step of washing and drying the support film of the remaining transfer film and
And a coating film forming step of applying and drying a liquid paint on the transfer target to form a coating layer on the surface of the soft transfer target to which the pattern layer is transferred.
The washing and drying step,
After the surface cleaning process using isopropyl alcohol (isopropyl alcohol), the pressure transfer method of a soft article characterized in that the washing and drying at 20 ℃, air pressure of 0.3MPa.
The painting step,
An adhesive coating is applied to a soft subject to a thickness of 10 to 30 µm, and dried at 60 to 100 ° C. for 10 to 30 minutes.
The transfer film activation step,
The transfer film is floated in an aqueous solution in the transfer tank, and after waiting for 2 minutes, the pressure-sensitive transfer method of the soft article, characterized in that for spraying the activator at 15 ~ 25g / ㎠.
The transfer step,
The soft transfer object is inclined at 10 to 40 ° from the transfer film, pressurized at a speed of 1 to 2 m / min, settled, stayed for 10 seconds, and lifted at a speed of 2 to 3 m / min to transfer. Hydrostatic transfer of goods.
The transfer film removing step,
20 to 60 DEG C of water in the transfer film, which remains, to remove the support film, and to dry at 40 to 80 DEG C for 20 to 50 minutes.
The coating film forming step,
Hydraulic liquid coating method of the soft article, characterized in that the liquid coating is applied to a thickness of 5 to 35㎛ and dried at 40 to 80 ℃ for 10 to 40 minutes.
Patterned layer of the transfer film,
A method of hydraulic transfer of a soft article, characterized in that it is a polyurethane resin containing cyclohexanone, dimethylformamide (DMF, dimethylformamide) and a pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100050962A KR20110131502A (en) | 2010-05-31 | 2010-05-31 | Method of hydraulic transfer for soft articles and soft articles manufactured by using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100050962A KR20110131502A (en) | 2010-05-31 | 2010-05-31 | Method of hydraulic transfer for soft articles and soft articles manufactured by using the same |
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| Publication Number | Publication Date |
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| KR20110131502A true KR20110131502A (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020100050962A KR20110131502A (en) | 2010-05-31 | 2010-05-31 | Method of hydraulic transfer for soft articles and soft articles manufactured by using the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317931A (en) * | 2013-06-17 | 2013-09-25 | 惠州华阳通用电子有限公司 | Surface processing technology of plastic base material panel |
| CN104015540A (en) * | 2014-05-29 | 2014-09-03 | 重庆市魏来雄鑫橡塑制品有限责任公司 | Preparation method for plastic products subjected to water transfer printing |
| CN107953693A (en) * | 2017-12-25 | 2018-04-24 | 昆山仁铨镭射科技有限公司 | Environment-friendly water transfer printing technique and corresponding component surface structure |
-
2010
- 2010-05-31 KR KR1020100050962A patent/KR20110131502A/en not_active Application Discontinuation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317931A (en) * | 2013-06-17 | 2013-09-25 | 惠州华阳通用电子有限公司 | Surface processing technology of plastic base material panel |
| CN103317931B (en) * | 2013-06-17 | 2016-01-20 | 惠州华阳通用电子有限公司 | A kind of surface processing technique of plastic base material panel |
| CN104015540A (en) * | 2014-05-29 | 2014-09-03 | 重庆市魏来雄鑫橡塑制品有限责任公司 | Preparation method for plastic products subjected to water transfer printing |
| CN107953693A (en) * | 2017-12-25 | 2018-04-24 | 昆山仁铨镭射科技有限公司 | Environment-friendly water transfer printing technique and corresponding component surface structure |
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