KR20010089159A - The photography printing paper using the Korean paper thereof a method - Google Patents

Abstract

PURPOSE: Provided is photo printing paper for Korean paper which uses typical Korean paper as neutral paper in printing photograph so that it utilizes the characteristics of Korean paper like durability, permeability, flexibility, humidity adjusting power or so on. CONSTITUTION: The production process of photo printing paper for Korean paper comprises the steps of: (i) using a certain size of Korean paper to produce typical Korean paper; (ii) coating aqueous gelatine solution diluted in water on the upper part of typical Korean paper; (iii) drying the typical Korean paper coated by gelatine solution at low temperature to form a gelatine layer; (iv) coating sensitive emulsion on the gelatine layer; and (v) drying the Korean paper coated by emulsion at low temperature and in a vacuum state.

Description

Hanji Photo Paper and its production method {The photography printing paper using the Korean paper according a method}

The present invention relates to photographic paper using Korean paper and a method of manufacturing the same. More specifically, using Korean paper of a photosensitive emulsion absorption preventing structure, a photo paper is formed at a central portion thereof and a mimi is formed at a periphery thereof. It is about a method.

Conventional photo paper is formed by applying a photosensitive emulsion to rollers on RC (resin coated) paper and variety (Baryta, Fiber base) paper with a roller to form a photosensitive layer. The ability to faithfully reverse to positive has been emphasized, and in the images obtained from such photo paper, it is difficult to express the elegance of the color tone, the profoundness, and the lyricalness or tranquility such as Oriental landscape painting. There is a problem that does not satisfy the user's desire for a variety of photo media, such as not properly express the emotion.

In order to satisfy the user's desire for various photo media like this, in recent years, printing techniques such as print paper, cloth, and wood have been developed and used, but appropriate photo paper that can capture lyricity and tranquility such as oriental landscape painting Due to the necessity of researching on photo paper using Hanji, the research is in progress. However, traditional Korean paper has many difficulties in producing photo paper using traditional Korean paper due to its high absorbency and spreadability. It was necessary to make traditional Korean paper.

The present invention was conceived in view of the above-described conventional technique, using a traditional Korean paper made by making four times 100% of Korean paper made of 100% Doc to have a photosensitive emulsion absorption preventing structure. The purpose is to provide a photo paper made of Hanji.

In addition, another object of the present invention is to provide a method for producing a Hanji photo paper.

Hanji photo paper of a preferred embodiment according to the present invention for achieving the above object, the photo paper is formed in the center of the traditional hanji made using a certain size of paper made of 100% Doc, the peripheral portion of the photo print It is characterized by consisting of a mimi that is naturally generated in the process of making traditional hanji by direct or inverse contact with a certain size hanji.

In addition, the manufacturing method of the hanji photo paper according to the present invention for achieving the above another object, the process of making traditional hanji using a certain size of hanji made of 100% Doc, water and a certain ratio on top of the traditional hanji Applying a gelatin aqueous solution diluted with water, forming a gelatin layer by low temperature drying the traditional hanji coated with the gelatin aqueous solution, applying a photosensitive emulsion on the dried gelatin layer, and It is characterized by consisting of the process of drying the traditional Korean paper coated with a photosensitive emulsion at low temperature and vacuum.

The traditional hanji can be made by applying gelatin on top of a double-sized Korean paper made of 100% Doc, and double-folding the Korean paper on it again. However, most preferably, it is better to use traditional Hanji immersed after 4 times irrespective of forward or reverse contact.

In addition, the photosensitive emulsion can be applied to the traditional Korean paper by spraying the photosensitive emulsion with a 0.01 mm nozzle using a photosensitive emulsion spraying system. In this case, the image of the photo paper is adjusted by adjusting the number of times of application of the photosensitive emulsion. Contrast can be adjusted, and preferably, a photo printing unit is formed at the center of the traditional paper by using a curtain coating method instead of the spray coating method.

1 is a partial cross-sectional view of the photo printing unit of the hanji photo paper according to the present invention,

Figure 2 is a perspective view showing a part of the separate hanji to show the state of the traditional hanji four times in accordance with the present invention,

Figure 3 is a partial cross-sectional view for showing the ventilation hole structure of the traditional Hanji four times the alternating forward or reverse contact according to the present invention,

Figure 4 is a perspective view showing the shape of the Mimi formed around the Hanji photo paper according to the present invention,

Figure 5 is a detailed cross-sectional view of the connection between the Mimi and the central photo print portion of the hanji photo paper according to the present invention,

Figure 6 is a sequential flow chart for explaining the manufacturing process of hanji photo paper according to the present invention,

7 is a view for explaining the concept of the photosensitive emulsion curtain film coating method according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: traditional hanji 20: gelatin layer

30,75: Photosensitive emulsion 11, 12, 13, 14: Korean paper

15: vent 41: Mimibu

71: roller 72: carrier

73: gelatin layer formed traditional hanji 74: glaze container

Hereinafter, with reference to the accompanying drawings will be described in more detail an embodiment of a hanji photo paper and a manufacturing method according to the present invention.

Figure 1 is a partial cross-sectional view of the photo printing portion of the hanji photo paper according to the present invention, Figure 2 is a perspective view showing a part of the separate hanji to show the state of the traditional Korean paper four times according to the present invention, Figure 3 Partial cross-sectional view for showing the ventilation structure of the traditional Hanji four times the alternating forward or reverse backing according to, Fig. 4 is a perspective view showing the shape of the Mimi formed on the periphery of the photo paper according to the invention, Fig. 5 is a detailed cross-sectional view of the connecting portion of the fine paper and the central portion of the photo paper according to the present invention, Figure 6 is a sequential flow chart for explaining the manufacturing process of the hanji photo paper according to the present invention, Figure 7 is a photosensitive photo according to the present invention It is a figure for demonstrating the concept of an emulsion curtain film application method.

First, Figure 1 shows a cross-sectional view of the central portion of the photo paper portion of the paper photo paper according to the present invention, the gelatin layer 20 is formed on the top of the traditional Korean paper 10 made using a certain size made of 100% Doc The photosensitive emulsion is applied to the upper part of the gelatin layer 20 to form a dry photosensitive layer 30. The peripheral part of the central photo paper is shown in FIG. 4 as shown in FIG. 4. Mimi portion 41 is naturally generated in the process of making a traditional Korean paper 10 by forward or reverse contact, Figure 5 is one side cross-sectional view for showing in detail the miji state of the periphery of the photo paper.

The traditional Korean paper 10 is made of a rectangular frame (not shown in the figure), for example, made in a size of 20 × 25, 27.5 × 35, 40 × 50, 50 × 60 (cm), etc. to make various sizes. To make a, and then cut the edges of the Korean paper made in a natural state without cutting the edges twice, and then gelatin aqueous solution mixed with water and gelatin in a certain ratio to prevent absorption of the photosensitive emulsion on top of it. After that, the traditional Korean paper 10 is produced by continuously double-folding the above-mentioned Korean paper, and at this time, the miji portion 41 formed by mixing the gelatin and the edges of the Korean paper at the periphery of the traditional paper 10 In general, by using the edge of the paper cut in the production of traditional Korean paper as it is to create a special shape of the Mimi portion 41, to make the photo paper of the artistic sense by utilizing the texture of the paper Will.

In addition to the method described above, the traditional Korean paper 10 is made of traditional Korean paper 11, 12, 13, and 14 that is made of a certain size as shown in FIG. 10) can be used. The forward fold and reverse fold contact is made to be arranged in the opposite direction to each other made of a certain size, as shown in Figure 3, a partial cross-sectional view of the traditional Hanji made so that the dense vents 15 of the paper Due to the blocking in the back-batch process, it will have a structure that prevents the oil from being absorbed deeply from the surface of the traditional paper in the subsequent application of the emulsion.

Traditional Korean paper of the most preferred embodiment of the photosensitive emulsion absorption preventing structure, as described above, was made by making a four-fold contact after irrespective of the positive or reverse contacting the Korean paper made to a certain size as described above, 'S vents are completely blocked, so the emulsion will hardly be absorbed below the surface of traditional Korean paper, so it is recommended to use them to produce quality Korean paper.

Figure 6 is a sequential flow chart for explaining an embodiment of a method for manufacturing a Korean paper photo paper according to the present invention. First, the photosensitive emulsion is primarily prevented from being absorbed into the interior of the traditional Korean paper on the upper portion of the traditional Korean paper 61 manufactured as described above using 100% Doc, and improves the adsorption power of the traditional Korean paper and the photosensitive oil. In order to increase the gelatin solution in which water and gelatin are mixed in a predetermined ratio, 62 is applied. At this time, it is preferable to mix water and gelatin at a ratio of 20 to 30: 1, and as a result of the applicant's experiment, the higher the concentration of the water mixture of gelatin, the texture of the traditional Korean paper coated with gelatin aqueous solution is improved. Could.

Subsequently, the traditional Korean paper coated with gelatin solution as described above is sufficiently dried in a low temperature of 7 ° C. or less, and a gelatin layer is formed. Then, the photosensitive emulsion is applied onto the gelatin layer (63). At this time, as a method of applying the photosensitive emulsion on the traditional hanji, using a photosensitive emulsion injection system can be applied by spraying the photosensitive emulsion with a 0.01 mm diameter nozzle, in this case, the number of spray coating times of the photosensitive emulsion 1 By adjusting the difference, secondary, ..., the image contrast of the photo paper can be adjusted. However, in this spray coating method, not only bubbles may be generated on the photographic paper, but also the chemical loss ratio of the photosensitive emulsion may be very large. Preferably, the curtain film coating method shown in FIG. 7 is used instead of the spray coating method. It is good to use.

The curtain coating method is that when the photosensitive emulsion 75 is supplied to the glaze container 74 made of the V-shaped hopper shape, a certain amount of the photosensitive emulsion is supplied from the emulsion outlet hole formed at the bottom, and the gelatin layer is formed as described above. When the Korean paper 73 is placed at a predetermined position on the carriage 72 which is moved back and forth by the roller 71, the photosensitive oil is uniformly applied onto the photographic printing unit of the traditional Korean paper according to the transportation of the carriage. to be.

Subsequently, if the traditional Korean paper coated with the photosensitive emulsion is dried in a low temperature state of about 4 to 7 ° C. in the above-described process, the hanji photo paper of the present invention is completed.

According to the Hanji photo paper of the present invention as described above, if the life of the conventional photo paper has a long life of about 100 years, the traditional Hanji as a paper, especially neutral paper, hundreds of years, or a thousand years if the chemical treatment in the photo printing process well This paper can provide high quality Hanji photo paper with breathability, flexibility, humidity control, etc., and it is soft and beautiful, so the image obtained from the photo paper is not only elegance and profoundness of color. In addition, it can express the Korean emotions that are subtlely cut out together with lyricism such as oriental landscape painting and tranquility such as tranquility, which has the advantage of satisfying users' various desires for photographic media.

Claims (4)

The photo paper is formed in the center of the traditional paper made using 100% of the paper made of 100% Doc, and naturally created in the process of making the traditional paper by directly or reversely Hanji photo paper, characterized in that made with Mimi. The photographic paper of claim 1, wherein the traditional Korean paper is manufactured by performing four times of forward-facing or reverse-folding of Korean paper of a predetermined size. The photographic paper of claim 1, wherein the traditional Korean paper is produced by gluing and doubling the Korean paper of a certain size irrespective of forward or backward contact. The process of making a traditional hanji prepared with rice using a certain size of Hanji made of 100% Doc, the process of applying a gelatin aqueous solution diluted water and gelatin at a ratio of 20 to 30: 1 on top of the traditional Hanji The process of forming a gelatin layer by drying the traditional Korean paper coated with the gelatin solution at a low temperature of 4 to 7 ° C., and applying a photosensitive emulsion on the dried and formed gelatin layer by the spray coating method or the curtain film coating method. And vacuum drying the traditional Korean paper coated with the photosensitive oil at a low temperature of 4 to 7 ° C.