JP7452912B1 - Gradient coloring method for paper for artificial flowers - Google Patents

Abstract

[Problem] The object of the present invention is to create a gradation color for paper for artificial flowers that can give directionality to shading and color tone changes by combining the flow direction of paper fibers and the dyeing direction using capillary force. Our goal is to provide a ring method. [Solution] The gradation coloring method of paper for artificial flowers of the present invention includes a container for a dyeing solution containing a dye to be dyed, a heater, a colorless or arbitrary colored paper to be dyed, and a jig that can be raised and lowered. heating the container of the dyeing solution to a predetermined temperature with a heater; fixing the paper to be dyed on a jig that can be moved up and down; dyeing the paper with the jig that can be moved up and down. It is characterized by comprising the steps of immersing the paper in the dyeing solution and pulling up the paper to be dyed after a predetermined period of time after being immersed in the dyeing solution, and dyeing is carried out by the capillary force of the paper to be dyed. [Selection diagram] Figure 14

Description

The present invention relates to a method for gradation coloring of paper for artificial flowers, for applying arbitrary shading or color gradation to paper. This invention relates to a gradation coloring method for paper for artificial flowers, which can easily create a natural and subtle gradation of "fluctuation" that cannot be obtained by coating paper. The gradation-colored paper of the present invention is particularly desired to have a wide variety of natural tones, and is also ideal for producing artificial flowers that reproduce flowers with natural shading and natural color tone changes.

Colored paper in various tones is required for printed matter, packaging paper, and the like. Colored paper used for such purposes is generally manufactured by coating colorless paper with various dyes. At present, an extremely wide variety of dyes have been developed using chemical synthesis technology, and it is possible to produce paper in any color tone upon request.
In recent years, with advances in digital printing technology that combines coating technology using finely machined nozzles and digital technology to control this, image forming devices that can reproduce various finely controlled shades and color gradations have become available. As disclosed in Patent Document 1, it has become possible to create a block for multicolor printing of paintings with gradation of light and shade and coloring.

Under the influence of the application of digital printing technology that enables mass production and reproduction, there is an increasing demand for the development of a coloring method with gradation of shades and colors that are close to natural.
Artificial flowers are provided that artificially reproduce short-lived fresh flowers and allow them to be appreciated continuously in flower arrangements of flowers with a wide variety of colors. However, with resin-based artificial flowers, while it is possible to produce molded products with shapes that are close to real ones using resin processing technology, it is difficult to reproduce the natural coloring that approximates real flowers.
To this end, flower arrangements have been proposed in which artificial flowers are molded in white and colored with built-in LED lighting, instead of being colored in colors that are close to natural, using digitally controllable LED lighting coloring control (Patent Document 2 ).
However, since digital technology using such electronic devices requires specialized knowledge, technology, and equipment, it has been difficult for many users to easily use it for various purposes.

On the other hand, paper has traditionally been widely used as a convenient material, and if gradation color paper with natural shading and coloring can be obtained, it is expected to be used in a variety of applications.
The applicant has so far provided a method for coloring paper that can be easily colored in any manner (Patent Document 3). However, with conventional methods, it has been difficult to create gradations, particularly natural shading and natural color tone changes, and to provide directionality to these shading and color tone changes.

The prior art has the above-mentioned problems as a paper gradation coloring method suitable for artificial flowers with natural shading and natural color tone changes, which is the object of the present invention.
To this end, the applicant focused on the coloring of plant leaves and flowers and explored a method for gradation coloring of paper for artificial flowers.
Plants absorb water from the soil through capillary action through the root hairs of their roots and transport water to the stems and leaves through ducts. Some of the water is transpired through the leaf stomata. Nutrients absorbed along with water from roots are used for respiration, growth, and flowering, and the color of plant leaves and flowers is mainly expressed by four types of pigment components: flavonoids, carotenoids, betalains, and chlorophyll.

Currently, a wide variety of paper materials are used depending on the purpose, including Japanese paper made of natural cellulose, various coated papers, processed papers, printing papers, and even physiological and sanitary paper materials with a focus on water absorption. There is.
In this invention, we focused on the capillary phenomenon that is closely related to the transport of water in plants and the color development of leaves and flowers, and also focused on the directionality of capillary force observed in the ducts of plants to create gradation colors for paper for artificial flowers. I explored the ring method.
As an application of paper that focuses on capillary phenomenon, a water supply tool for planting using rayon string containing a large amount of cellulose component that utilizes the directionality of capillary force has been proposed (Patent Document 4).
Further, absorbent bodies for absorbent articles containing various cellulose-based water absorbent fibers have been disclosed (Patent Document 5).
However, no proposal has been made for a method of gradation coloring of paper for artificial flowers using capillary action.
In view of the above-mentioned prior art, the applicant focused on the color development of leaves and flowers due to capillary action in plants, conducted extensive research, and completed the present invention.

Japanese Patent Application Publication No. 2012-195727 Japanese Patent Application Publication No. 2016-102281 Patent No. 4058714 Patent No. 4615341 Japanese Patent Application Publication No. 2022-031459

An object of the present invention is to provide a gradation coloring method for paper for artificial flowers that provides natural shading and natural color tone changes and directionality to these shading and color tone changes when coloring paper.
More specifically, we provide a gradation coloring method for paper for artificial flowers that can give directionality to changes in shade and tone by combining the flow direction of paper fibers and the dyeing direction using capillary force. It's about doing.

The gradation coloring method for paper for artificial flowers of the present invention to solve the above problems is as follows:
A step of preparing a container for a dyeing solution containing a dye to be dyed, a heater, colorless or arbitrary colored paper to be dyed, and a jig that can be raised and lowered;
heating the dye solution container to a predetermined temperature with a heater;
fixing the paper to be dyed on a jig that can be moved up and down so that the flow direction of the fibers of the paper to be dyed and the dipping direction are at an angle of 0 degrees or more and 90 degrees or less;
immersing one end of the paper to be dyed in a dyeing solution using a jig that can be raised and lowered, and pulling up the paper to be dyed after a predetermined period of time after being immersed in the dyeing solution;
It is characterized by dyeing by the capillary force of the paper to be dyed.

The gradation color paper of the present invention has natural shading and natural color tone changes due to being dyed by capillary force, and these shading and color tone changes have directionality along the capillary force, and are suitable for use in artificial flowers and flower arrangements. It is characterized by being suitable for.

According to the present invention, the gradation color of paper for artificial flowers is achieved by combining the flow direction of the paper fibers, the dipping direction, and the capillary force to create natural shading and natural color tone changes, as well as directionality in these shading and color tone changes. ring method can be provided.

This is a gradation color paper obtained by the gradation coloring method for paper for artificial flowers of the present invention, and the A1-A1' edges were immersed in a dyeing solution. This is a gradation color paper obtained by the gradation coloring method for paper for artificial flowers of the present invention, in which the A1-A1' edges are immersed in a dyeing solution, and the dyeing solution contains two dyes, each of which is different from the other. This is the case when they separate and appear as a band structure. This is a gradation color paper obtained by the gradation coloring method for paper for artificial flowers of the present invention, and when it appears as a fan shape obtained by dipping the apex (A1) of the paper to be dyed cut into an equilateral triangle in a dyeing solution. be. This is a two-color gradation color paper obtained by further immersing the B1-B1' edge of the first gradation color paper shown in FIG. 1 in a second dye solution. The A1-A1' edge and the A2-A2' edge of the first gradation color paper obtained by immersing the B1-B1' edge of the two-fold dyed paper folded at B1-B1' in the dyeing solution. FIG. 2 is a plan view of the two-color gradation color paper obtained by further immersing it in a second dyeing solution with the fold line B1-B1′ expanded. FIG. 6 is a plan view showing a two-color gradation color paper folded in half along line B1-B1' in FIG. 5, with its inner side glued along line C1-C1', and a 1/2 flag valve for cutting. FIG. 7 is a plan view of a flag valve (a) in which a 1/2 flag valve cut from the two-fold two-color gradation color paper of FIG. 6 is unfolded; This shows how the cut outline is partially divided and pulled in both directions of the arrows to create ``chijijiri''. 6 is a diagram illustrating that the two-color gradation color paper of FIG. 5 is folded inward along the line C2-C2', and further folded inward along the line C3-C3' to make three folds. FIG. On the two-color gradation color paper folded into three in Figure 8, outlines of a wing flap (b) in the center and two keel flaps (c) were drawn on the outside along lines D1-D1' and D2-D2'. FIG. From this, three wing valves (b) and two keel valves (c) which are folded in half along the C2-C2' line and the C3-C3' line are obtained. FIG. 10 is a plan view of the wing valve (b) taken from the center of FIG. 9; This shows how the cut outline is partially divided and pulled in both directions of the arrows to create ``chijijiri''. The triangle in which the two keel flaps (c) are drawn is obtained by cutting the trifold in Figure 8 along the D1-D1' line and the D2-D2' line, which is folded in half along the C3-C3' line. Explain that a keel valve with a bulging center can be obtained by joining along the C3-C3' line so as to wrap around a wire stem made of paper rolled into a bean shape on the plan view of the keel flap (c) expanded. It is a diagram. FIG. 5 is a plan view showing a flag valve (a), a wing valve (b), and a keel valve (c) manufactured from the two-color gradation color paper of FIG. 4; This is a photograph of an artificial flower of Suitopea made from the flag petal (a), wing petal (b), keel petal (c), and stem (e) of FIG. 12. This is a photograph of a flower arrangement using the artificial sweet pea flowers shown in FIG. 13.

Embodiments of the present invention will be described in detail below. This description is for explaining the present invention, and is not intended to limit the technical scope of the present invention. The present invention can be implemented with various modifications without departing from the technical scope of the present invention.

The gradation coloring method for paper for artificial flowers of the present invention is as follows:
A step of preparing a container for a dyeing liquid containing a dye to be dyed, a heater, colorless or arbitrary colored paper to be dyed, and a jig that can be raised and lowered;
heating the dye solution container to a predetermined temperature with a heater;
fixing the paper to be dyed on a jig that can raise and lower the paper to be dyed;
immersing the paper to be dyed in a dyeing solution using a jig that can be raised and lowered, and pulling up the paper to be dyed after a predetermined period of time after being immersed in the dyeing solution;
It can be dyed by the capillary force of the paper to be dyed.

According to an embodiment of the gradation coloring method for paper for artificial flowers of the present invention, before immersing the paper to be dyed in the dyeing liquid, a part or all of the paper to be dyed is pre-soaked in water for a predetermined time. may further include.

The paper to be dyed in the gradation coloring method for artificial flowers of the present invention is high-quality paper, matte paper, art post paper, kraft paper, matte post paper, Kent paper, Japanese paper, crepe paper, or paper with an embossed surface. Alternatively, it may be paper containing water-absorbing natural pulp, such as non-woven paper.

Furthermore, paper that has been folded and creases added before gradation coloring can be used as paper to be dyed. Gradation coloring can be achieved by dipping the folded edges of the paper to be dyed in a dyeing solution.

A gradation coloring method obtained with an embodiment of the paper for artificial flowers of the present invention will be described with reference to the drawings.
When one end of white paper to be dyed, for example, the A1-A1' edge in Fig. 1, is immersed in a dyeing liquid (for example, red), the dyed water is sucked up against gravity by capillary action, and as shown in Fig. A staining gradation as shown in 1 is obtained.

The direction in which the paper to be dyed is immersed in the dyeing solution can be immersed at any angle relative to the liquid level of the dyeing solution, but in the present invention, the direction in which the paper to be dyed is immersed in the dyeing solution is referred to as the "immersion direction". Unless otherwise specified, the term "dipping" refers to immersion in a direction perpendicular to one end of the paper to be dyed and perpendicular to the surface of the dyeing solution.

Paper to be dyed has a structure in which cellulose fibers are accumulated, and the hydrophilic cellulose fibers absorb water, and the accumulation of cellulose fibers creates a porous structure in which minute gaps are created between adjacent cellulose fibers. This corresponds to a capillary tube, and the staining solution is sucked up by capillary force. Due to the distribution of variations in minute gaps within the paper surface, the dye contained in water is transported as the dye solution is sucked up (transported), resulting in a concentration distribution with natural and subtle "fluctuations". It becomes like this.

The spread of the concentration distribution of this dye gradation is due to the transport speed varying depending on adsorption and desorption based on the interaction between the dye component and the cellulose fibers. For example, if a dye solution containing two or more dye components is used, and the transport speed of each dye component is significantly different, the position of the suction tip may differ for each dye component. It may appear as a band structure as shown in .

Depending on the dye component used, the concentration of the dye, the temperature of the dye solution, the immersion time, and the combination of paper to be dyed, the resulting gradation may have a high concentration at the tip of the wick.
In particular, when the interaction between the dye component and the cellulose fibers is small and the transport speed is high, a band structure as shown in FIG. 2 appears. This phenomenon that appears as a band structure is applied to paper chromatography to separate and identify each component from a mixed component liquid.

Paper is manufactured by using a machine to flow fibers extracted from pulp in a fixed direction, so the fibers tend to align in the direction of papermaking, creating a flow of fibers (paper grain). For example, paper in which the fibers run parallel to the long sides of the cut paper (whole paper) is called "long grain". The relationship between the flow direction of the fibers of the paper to be dyed and the dipping direction is important in the gradation coloring method of the present invention that utilizes capillary force.
When the fiber flow direction of the paper to be dyed is parallel to the dipping direction and the angle between the fiber flow direction and the dipping direction is 0 degrees, the dyeing solution is efficiently absorbed by the capillary force along the fiber flow direction. Wicking occurs and a gradation along the direction of fiber flow occurs.

On the other hand, if the fiber flow direction and the dipping direction are not parallel, or if the angle between the fiber flow direction and the dipping direction is between more than 0 degrees and 90 degrees or less, macroscopically, the dyeing solution is affected by capillary force along the dipping direction. At the same time, microscopically, the dye solution is also sucked up by capillary force along the flow of the fibers, resulting in a different gradation than when the direction of fiber flow and dipping direction of the paper to be dyed are parallel. .

For example, if the fiber flow direction and the dipping direction are not parallel, and the angle between the fiber flow direction and the dipping direction is 45 degrees, the dye solution pulling speed will be The shape of the dye solution suction tip is more disturbed from the straight line than when the fiber flow direction and the dipping direction are parallel, and the dye solution is drawn up darker than when it is drawn up to the same position. A color gradation was obtained.
As described above, depending on the angle between the fiber flow direction and the dipping direction, color tone changes and gradation coloring of paper with different shading and color tone changes can be achieved.

The gradation color obtained by the gradation coloring method of paper for artificial flowers of the present invention depends not only on the angle between the fiber flow direction and the dipping direction but also on the shape of the paper in the area dipped in the dye solution.
According to an embodiment of the gradation coloring method of paper for artificial flowers of the present invention, the shape of the paper in the area to be dipped in the dye solution is such that one end of the paper to be dyed to be dipped in the dye solution is in a straight line or It can be in the shape of linear peaks and valleys or curved peaks and valleys.

According to an embodiment of the gradation coloring method of paper for artificial flowers of the present invention, the edge of one end of the paper to be dyed that is dipped in a dyeing solution is not in a straight line but in the shape of linear peaks and valleys or curved peaks and valleys. In the case of paper, the entire peak-and-valley-shaped region can be immersed in the dyeing solution, or a portion can be immersed in the dyeing solution.

If the edge of one end of the paper to be dyed to be dipped in the dyeing liquid is not in a straight line, but has a linear peak and valley or curved peak and valley shape, and a part of the peak and valley shape on the edge is immersed in the dyeing solution, The transport of the staining solution (sucking up the staining solution) by capillary force becomes uneven depending on the shape of the peaks and valleys.
Particularly, at the initial stage of immersion, the shape of the tip of the dyeing solution sucking up the dyeing solution may have a pattern that changes depending on the shape of the peaks and troughs in the immersed area.

For example, a paper to be dyed cut out into an equilateral triangle with the perpendicular line from the apex (Fig. 3 A1) to the base (Fig. 3 B1-B1') and the direction of fiber flow parallel to the dyeing solution is applied from the apex (Fig. 3 A1). When the fibers were immersed so that the dipping direction and the fiber flow direction were parallel to each other, a gradation in which the tip of the suction tip opened in a fan shape from the apex as shown in FIG. 3 was obtained.

As shown in Figure 3, the tip of the dyeing solution suction can form a gradation that depends on the shape of one end of the paper to be dyed that is dipped in the dyeing solution, making it a gradation coloring paper with a pattern suitable for petals in artificial flowers. can be obtained.
In particular, by combining the conditions shown in Figure 2 in which the dye components of the dye solution separate and appear as a band structure and the shape of one end of the paper to be dyed that is immersed in the dye solution, the complex pattern of the petals of artificial flowers can be created. It can be applied as a gradation coloring method to reproduce.

According to another embodiment of the present invention, a gradation color paper (hereinafter referred to as "first gradation coloring method") dyed using the gradation coloring method of the present invention (hereinafter referred to as "first gradation coloring method") is used as paper to be dyed. ) can be used.

In a gradation coloring method using the first gradation coloring paper (hereinafter referred to as the "second gradation coloring method"), if dyes of different colors from the first gradation coloring method are used, two-color gradation coloring paper (hereinafter referred to as "the second gradation coloring method") is used. , referred to as "second gradation color paper") can be manufactured. At this time, the direction of the gradation obtained along the dipping direction may be different from or the same as the first gradation coloring method.

A case will be described in which the direction of gradation in the second gradation coloring method is different from that in the first gradation coloring method.
FIG. 4 shows that the direction of the gradation is different, which is obtained by dipping the B1-B1' edge of the first gradation color paper (for example, red gradation) shown in FIG. An example of second gradation colors of two colors (red and willow color) is shown. In FIG. 4, an undyed area (white in the case of white paper to be dyed) is left, especially in the center.
The two second gradation colors shown in FIG. 4 can be used as petals of various artificial flowers, as shown in the example of artificial flower production described later. For example, in the second gradation color of two colors, red can be on the tip side of the petal, and willow color can be on the calyx side.

When the second gradation coloring method is performed so that the two colors are mixed without leaving an undyed area in the center as shown in FIG. 4, the center becomes a mixed color gradation area where the two colors are mixed. A color gradation of three colors will be obtained.

Further, when colored paper to be dyed is used instead of white paper as the paper to be dyed, a color gradation of a mixed color in which two colors are mixed unevenly depending on the location of the dyed paper can be obtained by the second gradation coloring method.

Furthermore, when the second gradation coloring method uses a dye of a different color from the first gradation coloring method, the first gradation coloring method and the second gradation coloring method are performed in the dipping direction from the same edge. A mixed color gradation of the two colors with the same gradation direction is obtained. Depending on the dye, a gradation color having a band structure as shown in FIG. 2 may be obtained.

As described above, the gradation coloring method for paper for artificial flowers of the present invention is based on the coloring of the paper to be dyed, the angle between the fiber flow direction and the dipping direction, the gradation direction, and the coloring method of the paper for artificial flowers of the present invention. It is possible to apply a wide variety of combinations of colors such as gradation coloring and the shape of the immersion area.

The procedure for gradation coloring according to the method of the present invention will be explained using paper for artificial flowers as an example.

<Dye>
As the dye used in the present invention, commercially available water-soluble dyes can be used as long as they are suitable for the present purpose. Alternatively, dyes extracted from colored paper can be used. As this colored paper for coloring (hereinafter referred to as "base paper for coloring"), for example, dye extracted from New Color R (manufactured by Lintec Corporation) can be used. The relationship between New Color R and the color of the dye taken out is shown in Table 1 below. These base papers for coloring can be used not only for coloring but also as paper to be dyed in a gradation coloring method.

As two typical types of gradation coloring dyed paper for artificial flowers, we will explain gradation coloring dyed paper for pink to orange petals and green gradation coloring dyed paper for leaves.
First, the base paper for coloring is folded to an appropriate size, then submerged in water in a container, and the water in the container is heated. Shortly after boiling, the water is colored by eluting the dye, creating a dyeing solution, which can be kept at boiling temperature to create gradation coloring.

The paper to be dyed with gradation coloring is selected depending on the use of the paper after dyeing. For example, when using the paper as a material for artificial flowers, select a paper suitable for making flowers and leaves, such as crepe paper or soft paper, and fix the paper to be dyed on a dipping fixture. At this time, the angle between the fiber flow direction and the dipping direction is fixed so as to be maintained at a predetermined angle between 0 degrees and 90 degrees. To fix the paper to be dyed, prepare a jig that can not only fix the paper by spreading it flat, but also fix it while it is folded or rolled into a cylindrical shape. An important function of the fixture is that it can be raised and lowered while maintaining the angle between the fiber flow direction and the dipping method at a predetermined angle.

A lifting mechanism immerses the edge of the paper to be dyed into the boiling colored dyeing liquid. When the edge of the paper to be dyed is submerged in colored water, the dye dissolved in the water is sucked up by capillary action and absorbed into the paper, creating gradation coloring within a few seconds to several minutes. If the paper to be dyed has folds, wrinkles, crepes, or embossments, for example, the folds of the paper have a broken paper structure, so the degree of capillary action is different, and the dye easily enters the area, making it darker. After being dyed, the dyed paper leaves wrinkles in a pattern, giving it a subtle appearance. The paper to be dyed is then removed from the dye solution, spread out and dried to obtain the desired color gradation.

When using colored paper, the color tone of the paper to be dyed after gradation coloring is a combination of the original color of the paper to be dyed and the color tone of the dye eluted from the color base paper. This final color tone is unique and different from both the color base paper and the dyed paper.
For example, if you use dark red drawing paper as the color base paper and light cream crepe paper as the paper to be dyed, the color tone of the paper to be dyed after gradation coloring will be a pale orange color. . Moreover, this pale orange gradation has a subtle color tone similar to that of natural flowers. Furthermore, even if the combination of color base paper and paper to be dyed is the same, gradations with different hues, lightness, and saturation can be created by changing the time of immersion in the dyeing solution and the temperature of the dyeing solution.

The dyed paper colored with gradation in this way has a unique color gradation, so it can be widely used for various purposes such as wrapping paper and greeting cards, but it is especially suitable for artificial flowers. It is used as a material.
According to the present invention, depending on the combination of the dye and the color tone of the paper to be dyed and the conditions of the gradation coloring process, it is possible to obtain an extremely delicate color gradation, and it is easy to obtain a color tone close to that of natural flowers. Not only can you create artificial flowers in a variety of colors, but you can also create artificial flowers in novel tones that do not exist in nature.
Furthermore, by changing the direction of the gradation coloring, it is also possible to create patterns similar to those seen on flower petals.

Below, an example of making artificial flowers according to the gradation coloring method of paper for artificial flowers of the present invention will be described. Although the gradation color paper produced according to the present invention is suitable for the production of artificial flowers, it is limited to the production of artificial flowers. It is not something that will be done.

[Staining solution 1]
Four pieces of New Color R Enji (manufactured by Lintec Corporation) were selected as the color paper, folded into four, and placed at the bottom of a 500 mL container. Next, 300 mL of water was added to the container, and then heated to boil and maintain the boiling temperature. During heating, the color of the water gradually turns red, creating a red dyeing solution.

[First production of gradient color paper]
First, an example of monochromatic gradation coloring as shown in FIG. 1 will be described.
The dyed paper that becomes the petals of artificial flowers can be high-quality paper containing water-absorbing natural pulp, matte paper, art post paper, kraft paper, matte post paper, Kent paper, Japanese paper, crepe paper, or a surface with an embossed finish. Paper or non-woven paper can be used.
As an example, Salva (registered trademark) 30 cm x 34 cm (manufactured by Hakujuji Co., Ltd.) was prepared, rolled into a cylinder, and fixed to a jig that can be raised and lowered so that the direction of fiber flow and dipping direction were parallel. Then, gradation coloring was performed by dipping it in a red staining solution [Staining Solution 1]. The immersion time can be appropriately set depending on the color tone and concentration of the dyeing solution, the color tone of the paper to be dyed, the concentration of a predetermined color, etc., but generally about 2 seconds to 1 minute is sufficient. Furthermore, although the paper to be dyed is rubbed prior to dipping, coloring may be performed without rubbing.
The process was completed when 1/3 of the entire area of the paper to be dyed was dipped in gradation coloring and a white area remained.
After finishing, the paper to be dyed was taken out from the dyeing solution, spread loosely while still wet, and then air-dried to obtain a paper to be dyed for petals. This paper to be dyed changed to a deep pink color by gradation coloring for 30 seconds. A first gradation color paper as shown in FIG. 1 was obtained.

[Staining solution 2]
Next, a willow-colored dye solution was prepared in the same manner as [Dyeing solution 1] using New Color R Yanagi (manufactured by Lintec Corporation) as a color base paper.

[Manufacture of second gradient color paper]
An example of manufacturing the second gradation color paper of two colors shown in FIG. 4 will be described.
The paper to be dyed with the pink gradation coloring of [Example 1] (first gradation color paper) is rolled into a cylinder shape so that the direction of fiber flow and dipping direction are parallel to each other, and the paper that is not dyed is The white edge (B1-B1′ edge shown in FIG. 1) of the sample was fixed to a jig that could be raised and lowered so as to be immersed.
A second gradation coloring method was performed using a willow-colored staining solution [Staining solution 2]. The process was completed when 1/3 of the entire area of the paper to be dyed was dipped in gradation coloring. What is important at the end is that there remains a white area in the center that has not been gradated to any color.
After finishing, the paper to be dyed was taken out from the dyeing solution, spread loosely while still wet, and then air-dried to obtain a paper to be dyed for petals. The dyed paper for petals was immersed in gradation coloring for 30 seconds, and the immersed area changed to a deep willow color. A second gradation color paper of two colors as shown in FIG. 4 was obtained.

An example of manufacturing two-color gradation color paper, which is a two-fold dyed paper, in which the dyed paper shown in FIG. 5 is folded in half at the center (B1-B1' in FIG. 5) will be described.
First, according to [Manufacture of first gradation color paper], the non-folded edges (A1-A1', A2-A2' in Fig. 5) of the paper to be dyed, which is folded in half, are dipped in [Dyeing solution 1] to dye it pink. A first gradation color paper was obtained.
Next, according to [Production of second gradation color paper], the edges of the fold (B1-B1' in Figure 5) are dipped in [Dyeing solution 2] to obtain second gradation color paper of pink and willow color. Ta.
The two-folded paper to be dyed with two-color gradation coloring was spread out to obtain a second gradation-colored paper of two colors, pink and willow color, for petals as shown in FIG. 5.
The process of manufacturing three types of flower petals, flag petals, wing petals, and keel petals, using this second gradation color paper of two colors, pink and willow, will be described.

In Figure 6, the second gradation color paper of two colors is folded in half along B1-B1' in Figure 5, and the inside is glued in a line along C1-C1', and the flag valve is cut out by folding it in half. This is a depiction of 1/2 flag valve.

Figure 7 is made by cutting along the glue line C1-C1' in Figure 6, cutting along the outline of the flag valve, spreading it out, partially dividing the periphery of the cut flag valve, and pulling it in the direction of the arrow. , shows the process of reproducing the "chijire" of flag valve (a).

Next, a process for manufacturing wing valves and keel valves using trifold second gradation colored paper of two colors, pink and willow, will be described.
The two-color second gradation color paper shown in FIG. 8 is folded inward along line C2-C2', and further folded inward along line C3-C3' in FIG. 8 to form three folds as shown in FIG.

As shown in FIG. 9, draw the outline of the wing valve (b) in the center along the D1-D1' line and the D2-D2' line on the two-color gradation color paper made by folding FIG. The outlines of the two keel flaps (c) are drawn.
By cutting out the wing valves (b) and keel valves (c) drawn on the three-folded two-color gradation color paper in Figure 9, three wing valves (b) are created, along the C2-C2' line and the C3-C3' line. Two keel flaps (c) are obtained by folding in two along the .

As shown in FIG. 10, the cut out wing valve (b) can reproduce the "chirping" of the wing valve (b) by partially dividing and pulling the cut peripheral parts.

Figure 11 shows two (c) keel flaps drawn along the C3-C3' line, which are obtained by cutting out the trifold in Figure 8 along the D1-D1' and D2-D2' lines. It is a plan view of the (c) keel flap which is folded in two and unfolded.

A piece of paper (d) rolled into a small bean shape is fixed to the tip of the wire (e), and the paper (d) rolled into a small bean shape is fixed to the wire (e) along line C3-C3' in Figure 10. Place it on the keel valve (c), fold it along the C3-C3' line so that it wraps around the paper (d), join it, and cut it out.The center will bulge and it will be fixed to the tip of the wire (e). A keel flap is obtained. The wire is wrapped in willow colored paper and fluffed to form the stem.

FIG. 12 shows a flag valve (a), a wing valve (b), and a keel valve (c) obtained from two second gradation color papers.

The parts of the two wing valves (b) with the willow gradation coloring overlap, and are combined and fixed to the keel valve attached to the stem, and finally the opposite side of the two wing valves (b) By fixing the flag petal (a) to the wafer, an artificial Suitopea flower shown in FIG. 13 is manufactured.

As shown in Figure 13, the base of the petal is a dark willow color, which forms the base of the calyx, and has a natural gradation toward the end of the petal. On the other hand, the end of the petal is dark pink, creating a flag petal with a natural gradation toward the base of the petal.
As described above, the two-color second gradation color paper can be widely applied to petals of various artificial flowers.

In Examples 1 and 2 above, the case where the flow direction of the fibers of the paper to be dyed and the dipping direction are parallel to each other is explained.
As shown in FIGS. 6 and 9, the obtained flag valve (a) and wing valve (b) are cut out along the C1-C1' line in FIG. 6 and the D2-D2' line in FIG. 9, respectively. That is, in the flag valve (a), the C1' side is the side attached to the calyx, and in the wing valve (b), the D2' side is the side attached to the calyx.

In order to obtain a color gradation from the calyx to the tip of the petal, another embodiment can be a gradation coloring in which the direction of flow of the fibers of the paper to be dyed is not parallel to the dipping direction.
For example, when manufacturing a flag valve (a), the direction of flow of the fibers to be dyed and the dipping direction are set in advance so that the direction of flow of the fibers to be dyed is parallel to line C1-C1' in Fig. 6. By using the second gradation colored paper of two colors obtained by the first and second gradation coloring methods, the fibers are colored from the calyx to the periphery of the flag valve (a) (from C1' to C1 direction in Fig. 7). Flowing, a flag valve (a) with a more natural gradation color can be obtained.
When manufacturing the wing valve (b), if the flow direction and dipping direction of the fibers to be dyed are set in advance so that the flow direction of the fibers to be dyed is parallel to the line D2-D2' in FIG. As in the case of (a), the fibers flow from the calyx to the periphery of the wing valve (b) (from D2' to D2 in Fig. 9), resulting in a more natural gradation color of the wing valve (b). can be obtained.

The gradation coloring method uses not only white dyed paper but also pre-colored dyed paper to create not only a monochromatic gradation of the dye but also a mixed color gradation with the pre-colored dyed paper. It will be done.
Table 2 below shows examples of color mixing of [Dyeing solution 1] with various colored papers to be dyed using red dye.

Next, we will describe an example of gradation coloring that uses pre-colored dyed paper to create leaves for artificial flowers.

[Manufacture of mixed color gradation color paper]
New Color R Usumidori (manufactured by Lintec Corporation) was used as the paper to be dyed to become the leaves of the artificial flowers, and the paper was immersed in the dye solution [Dyeing solution 1] for about 1 minute, and then pulled out. Thereafter, it was lightly spread and air-dried to obtain a mixed gradation color paper for leaves that was olive green with a reddish gradation color.

In addition, using New Color R Yanagi (manufactured by Lintec Corporation) as the paper to be dyed, we applied gradation coloring using [Dyeing Solution 1] to create willow-colored leaf gradation coloring paper with a reddish gradation. Obtained.
When creating artificial flowers, in order to obtain a richer color variation, dyed papers of various tones are used and soaking times are varied to reproduce artificial flowers of various tones. The flower arrangement shown in FIG. 14 can be created.

Note that the artificial flower manufacturing process described above is merely an example, and the present invention is not limited thereto.

The gradation coloring method of paper for artificial flowers of the present invention does not require special equipment or knowledge of digital technology, and uses paper that has been widely used as a convenient material. It is possible to easily create a natural and subtle "fluctuation" gradation that cannot be obtained by applying ordinary dyes. In particular, the gradation colored paper of the present invention is desired to have a wide variety of natural tones, and is not only ideal for artificial flower paper that reproduces flowers with natural shading and natural color tone changes, but also for a variety of other purposes. It is expected that it will be used in various applications, and it can be said that it has great potential for industrial use.

(a) Flag valve (b) Wing valve (c) Keel valve (e) Stem

Claims (4)

A step of preparing a container for a dyeing liquid containing a dye to be dyed, a heater, colorless or arbitrary colored paper to be dyed, and a jig that can be raised and lowered;
heating the dye solution container to a predetermined temperature with a heater;
fixing the paper to be dyed to the up/down movable jig so that the flow direction of the fibers of the paper to be dyed and the dipping direction are at least 0 degrees and no more than 90 degrees;
immersing one end of the paper to be dyed in the dyeing solution using the elevating and lowering jig; and pulling up the paper after a predetermined period of time after being immersed in the dyeing solution;
The paper to be dyed is nonwoven paper,
In the step of immersing the paper in the dyeing solution, one edge of the paper to be dyed that is immersed in the dyeing solution has a linear shape of peaks and valleys, and the shape of the peaks and valleys is triangular, and from the vertex of the triangle to the Immerse a part of the triangle in the dyeing solution so that the dipping direction and the direction of fiber flow are parallel to each other,
A gradation coloring method for paper for artificial flowers , characterized in that the shape of the dyeing by capillary force of the paper to be dyed is a gradation in the shape of a fan opening from the apex of the triangle . A step of preparing a container for a dyeing liquid containing a dye to be dyed, a heater, colorless or arbitrary colored paper to be dyed, and a jig that can be raised and lowered;
heating the dye solution container to a predetermined temperature with a heater;
fixing the paper to be dyed to the up/down movable jig so that the flow direction of the fibers of the paper to be dyed and the dipping direction are at least 0 degrees and no more than 90 degrees;
immersing one end of the paper to be dyed in the dyeing solution using the elevating and lowering jig;
the step of pulling up the dyed paper after a predetermined period of time after being immersed in the dyeing solution;
The paper to be dyed is nonwoven paper,
In the step of immersing in the dyeing solution, one end of the paper to be dyed to be immersed in the dyeing solution has a curved peak and valley shape, and a part of the peak and valley shape is immersed in the dyeing solution,
A gradation coloring method for paper for artificial flowers, characterized in that the shape of the paper to be dyed by capillary force changes depending on the shape of the peaks and troughs to be dipped. The artificial flower according to claim 1 or 2 , further comprising the step of pre-immersing part or all of the paper to be dyed in water for a predetermined time before immersing the paper to be dyed in the dyeing liquid. Gradient coloring method for paper. Instead of the non-woven paper, the paper to be dyed may be high-quality paper, matte paper, art post paper, kraft paper, matte post paper, Kent paper, Japanese paper , or water-absorbent paper with an embossed surface. 4. The method for gradation coloring of paper for artificial flowers according to claim 3 , wherein the paper contains a certain natural pulp.