JP2000071700A - Manufacture of colored plastic made decorative article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify working processes and produce the same product repeatedly by using a silicone resin frame substrate formed of a heat foamable silicone resin adhesive. SOLUTION: Firstly, lines of a character, a symbol, figure or a pattern (hereafter called figure or pattern or the like) 2 are drawn and contoured 3 by using a heat-foamable silicone resin adhesive, on a substrate 1. Next, the contour line 3 representing the lines of the figure or the pattern or the like 2 is heated to cause the heat-foamable silicone resin adhesive to foam and thus the adhesive is caused to cure and adhere to the surface of the substrate 1 to obtain a foamed silicone resin frame substrate 4. Next the space 5 of the contour figure or the pattern or the like 2 is filled with a colored vinyl chloride resin 6, which is caused to cure, and further, the space 5 and an adjacent space are filled with the colored vinyl chloride resin 6 so that these respective resins come into contact with each other. Further the resins 6 are caused to cure and colored to draw a picture. Finally the cured colored vinyl chloride resin is peeled from the silicone resin frame substrate 4 to obtain a plastic decorative article 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a colored plastic decorative article having three-dimensionally colored letters, symbols, figures or patterns on the surface.

[0002]

2. Description of the Related Art Heretofore, coloring pages have been widely known as play equipment or educational materials for young children. As is well known, a coloring book consists of a sketch drawing only the outline of the picture pattern on paper, and the sketch is colored using a coloring material such as paint or crayon,
It is intended to enhance interest in painting while having fun, and to enhance the feeling of emotion.

[0003] A wide variety of colored plastic shaped products, whether soft or hard, are commercially available. For example, various products such as toys, dolls, artificial flowers, and shaped fruits are known. These colored plastic molded products are formed by punching a colored plastic sheet into a desired shape, or by using a molding die having a desired shape by injection molding, compression molding, extrusion molding, or the like. It is manufactured by a method in which heat and / or pressure, or both, are applied simultaneously to form.

[0004] However, since a shaped article manufactured from the above-mentioned colored plastic material is manufactured by the above-mentioned mechanical molding method, the shape is defined by the mold, so that the shape is made uniform and the color tone is increased. There are many drawbacks that are almost monochromatic, and monotonous products cannot be obtained.

[0005] Colored printed products of plastic sheets are commercially available. This is obtained by printing a flower pattern, a feature pattern, or the like in a desired color on a plastic sheet. However, the colored printed product of this plastic sheet does not have a three-dimensional effect because the colored surface is flat, and has a drawback that the print is peeled off when strongly rubbed or used for a long time. Was.

On the other hand, the present inventor has already produced a colored plastic painting / molded article in which a desired figure is drawn by using a colored vinyl chloride resin material by a technique such as coloring or painting and colored in a desired color tone. A fabrication method was proposed.
(JP-A-1-113300)

[0007]

SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. 1-11 / 1999
No. 3300 discloses a method for producing a colored plastic painting or molded article.
Drawing a pattern, (b) heating the metal plate, framing the sol-like colored vinyl chloride resin material along the lines of the figure / pattern in the sketch while heating the metal plate, and (c) removing the metal plate. (D) a step of extruding a sol-colored vinyl chloride resin material from a tube into a gap between the metal plate and the outline where the sketch is framed to paint a picture, and (e) drawing the metal plate with a hot plate. The method comprises a step of heating to cure the colored vinyl chloride resin, and a step of (f) cooling to peel off the cured colored vinyl chloride resin from the metal plate. The colored plastic painting / modeled article produced by this method is soft, and the convex figure of the colored vinyl chloride resin of the preliminary picture is formed on the surface, and the gap between the convex figures is transparent and / or colored vinyl chloride resin. The back surface is formed in a flat planar shape and has a feature that it can be in close contact with a planar portion.

[0008] However, this method for producing a colored plastic painting / modeled article is to perform edging with a sol-shaped colored vinyl chloride resin material on a metal plate, and to fill the edging gap with a sol-shaped material of the same material as the edging. To draw a picture using colored vinyl chloride resin material, to cure the resin and peel it off together to make a picture / molded product, it is necessary to repeat bordering again to make the same picture next time However, there are drawbacks that the number of work steps increases and that it is difficult to reproduce the same picture.

The present invention has been made in view of the above-mentioned colored plastic molded products, colored printed products of plastic sheets, and colored plastic paintings and molded products, etc., and is manufactured using a heat-foamable silicone resin adhesive. It is an object of the present invention to provide a method of manufacturing a plastic decorative article that can simplify a working process and repeatedly manufacture the same product by using the foamed silicone resin frame substrate.

The present invention also provides a soft window glass having three-dimensional colored letters, symbols, figures or patterns on the surface.
An object of the present invention is to provide a method for manufacturing a plastic decorative article which can be in close contact with a flat part such as a door or a tile and can be enjoyed as a decorative article.

[0011]

Means for Solving the Problems The first aspect of the present invention is to provide (A) drawing a line of characters, symbols, figures or patterns on a substrate by using a heat-expandable silicone resin adhesive to form a border. Heating and foaming the silicone resin adhesive to cure and adhere to the substrate to form a foamed silicone resin frame substrate; (B) a character, symbol, figure or pattern bordered while heating the substrate After filling and solidifying the sol-shaped colored vinyl chloride resin in the gaps, the sol-shaped colored vinyl chloride resin is filled and solidified so that the resins contact each other in the gaps adjacent to the gaps, and the picture is painted. Drawing process,
(C) a step of heating and curing the colored vinyl chloride resin to fuse them together; (D) a step of cooling and peeling the cured colored vinyl chloride resin from the foamed silicone resin frame substrate to form a soft back surface A step of forming a colored plastic decorative article having a flat surface shape capable of closely adhering to a flat surface portion.

It is preferable that the heat-expandable silicone resin adhesive is a two-pack heat-expandable silicone resin adhesive. It is preferable to draw lines of characters, symbols, figures or patterns on the substrate by silk printing using a heat-foamable silicone resin adhesive. A foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (D) is peeled off,
The foamed silicone resin frame substrate in the step (A) can be used repeatedly.

In a second aspect of the present invention, (a) a line of characters, symbols, figures, or patterns is drawn on a substrate by using a heat-expandable silicone resin adhesive, and a first-stage border is formed. After heating and foaming the silicone resin adhesive to cure and adhere to the substrate, the second stage of the heat-foamable silicone resin adhesive is thicker than the first stage along the outer periphery of the first stage. (B) forming a two-stage foamed silicone resin frame substrate by edging, heating and foaming the silicone resin adhesive to cure and adhere to the substrate; and (b) the first-stage edged characters, symbols, and figures. Or a step of filling each gap of the pattern with a sol-like first colored vinyl chloride resin and coloring and drawing a picture; (c) a step of heating to cure the first colored vinyl chloride resin in the gap; (d) ) Of the first colored vinyl chloride resin in the gap And filling the second bordered area with a second colored vinyl chloride resin in the form of a sol and coloring the entire surface flat. (E) Then, heating to cure the second colored vinyl chloride resin. And step (f) of integrally fusing the first and second colored vinyl chloride resins together, and then cooling, and peeling off the cured colored vinyl chloride resin from the two-stage foamed silicone resin frame substrate. A method for producing a decorative article made of colored plastic, comprising a step of forming a back surface into a flat plane shape capable of closely adhering to a plane portion.

It is preferable that the heat-expandable silicone resin adhesive is a two-pack heat-expandable silicone resin adhesive. It is preferable to draw lines of characters, symbols, figures or patterns on the substrate by silk printing using a heat-foamable silicone resin adhesive. The two-stage foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (f) is peeled can be used repeatedly as the two-stage foamed silicone resin frame substrate in the step (a).

Further, the third invention of the present invention provides the following X
And a pair of colored plastics having a symmetrical character, symbol, figure or pattern, characterized by being formed by the method of Y, and being formed into a flat flat shape which is soft and can be in close contact with a flat portion. This is a method for manufacturing decorative articles X and Y. (Method of X) (x1) A letter, symbol, figure or pattern line is drawn on a substrate using a heat-foamable silicone resin adhesive to perform first-stage edging, and then heated to foam the silicone resin adhesive. After curing and bonding on the substrate, the second step of the heat-foamable silicone resin adhesive is performed along the outer periphery of the first step and thicker than the first step, and then heated to form a silicone resin. A step of producing a two-stage foamed silicone resin frame substrate by foaming an adhesive, curing and adhering on the substrate, (x2)
A step of filling each gap of the first-stage framed letters, symbols, figures or patterns with a sol-like first colored vinyl chloride resin, coloring and drawing a picture; Curing the one colored vinyl chloride resin, (x4) applying a sol-shaped second colored vinyl chloride resin on the first colored vinyl chloride resin in the gap and in the bordered area of the second step. Filling and coloring the entire surface flat (x5), then heating to cure the second colored vinyl chloride resin and fusing the first and second colored vinyl chloride resins together (x6) Cooling and peeling the cured colored vinyl chloride resin from the two-stage foamed silicone resin frame substrate to form a soft, flat surface that can be adhered to the front or back surface with a flat surface. Method of manufacturing decorative article X (Y method) (y1) While heating the two-stage foamed silicone resin frame substrate having the first stage and the second stage border, from which the colored vinyl chloride resin cured in the step (x6) of the method X is peeled off, After filling and solidifying the sol-shaped colored vinyl chloride resin in the gaps between the letters, symbols, figures or patterns bordered by the step, the sol-shaped colored chloride is applied so that the resins come into contact with each other in the gaps and adjacent gaps. A step of filling and solidifying the vinyl resin, coloring and drawing a picture, (y2) a step of heating and curing the colored vinyl chloride resin to be fused together, and (y3) a step of cooling and curing the cured colored chloride. A method for producing a colored plastic decorative article Y, comprising a step of peeling a vinyl resin from a foamed silicone resin frame substrate to form a soft, flat back surface capable of closely adhering to a flat portion.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a method for producing a colored plastic decorative article of the present invention will be described in detail. First, the first invention of the present invention will be described with reference to the drawings.
FIG. 1 is a process chart showing one embodiment of the method for producing a colored plastic decorative article of the present invention.

First, letters, symbols, figures or patterns (hereinafter, referred to as "hereafter") are formed on a substrate 1 using a heat-foamable silicone resin adhesive.
The outline 3 is performed by drawing a line 2 (abbreviated as “graphic or pattern, etc.”). (See Fig. 1 (a))

In this framing method, a desired figure or pattern is drafted on the substrate 1 with a quick-drying ink or the like to draw a draft, and then extruded as it is along the line of the figure or pattern of the draft. A method of performing edging by tracing a heat-foamable silicone resin adhesive from a tube, or inputting a figure or pattern to a computer as described in Japanese Patent Application No. 10-80570 already filed by the present applicant, A method of extruding a heat-foamable silicone resin adhesive from the tip of a nozzle connected to the computer to draw a line such as a figure or a pattern and edging, drawing a line by silk printing using the heat-foamable silicone resin adhesive It can be performed by a method of performing edging.

In particular, when a border line such as a figure or a pattern is drawn on a substrate by silk printing using a heat-foamable silicone resin adhesive, it is possible to draw very accurately with a fine line, It is preferable because the same figure or pattern can be drawn. The thickness of a line such as a figure or a pattern of the heat-foamable silicone resin adhesive drawn by silk printing is preferably, for example, about 0.4 to 0.5 mm. It may be done repeatedly. In this case, the operations of printing, heating, foaming, and curing are repeated a plurality of times.

In this case, when the first silk printing is performed, and the foam is formed by heating, the thickness of the line increases due to the foaming, and the second silk printing is performed on the foamed line.
Since the thickness of the wire increases due to foaming as in the first case,
The number of printings for obtaining a line having a desired thickness can be reduced, and the process can be simplified.

The substrate 1 may be a substrate having heat resistance, for example, a metal plate, heat-resistant paper or a heat-resistant glass plate is preferable. Any metal plate can be used as long as it is made of a rust-resistant metal. For example, an aluminum plate, a stainless steel plate or the like is preferable.

When drawing a draft, a desired figure or pattern can be freely drawn, but the original picture is drawn on the board by laying out carbon paper or the like between the base paper on which the original picture is drawn and the board. Can be copied. When a transparent or translucent substrate is used in heat-resistant paper or a heat-resistant glass plate, place the substrate on the original paper on which the original image such as a desired figure or pattern is drawn, and make the original image visible from the substrate. By drawing as it is, it can be copied to the substrate.

Next, as shown in FIG. 1 (b), a border 3 on which a line such as a figure or a pattern 2 is drawn is heated to foam a heat-foamable silicone resin adhesive, which is cured and adhered on a substrate. The foamed silicone resin frame substrate 4 is manufactured. (Step A) The heat-foamable silicone resin adhesive has a hardness such that the resin adhesive that is extruded or printed on the sketch line does not deform at room temperature and does not flow. Are preferred.

The heat-foamable silicone resin adhesive is preferably a two-component heat-foamable silicone resin adhesive, for example, a product name of X-32 manufactured by Shin-Etsu Chemical Co., Ltd.
1737A (about 85 wt% silicone, about 15 wt% silica filler and additive) and X-32-1737B (about 85 wt% silicone, about 15 wt% silica filler and additive)
t%) two-part silicone resin adhesive (paste-like). These heat-foamable silicone resin adhesives foam when heated, foam at a heating temperature of 100 ° C. or higher for 10 to 15 minutes, and exhibit good adhesion to metals such as aluminum and glass. Further, it has physical properties that have almost no adhesiveness with a soft vinyl chloride resin.

Next, while heating the substrate, the gap 5 such as a figure or pattern bordered by the above method is filled with a sol-like colored vinyl chloride resin 6a and solidified. Are filled with a sol-like colored vinyl chloride resin 6b so as to contact with each other, solidified, painted and painted. (Step B)

Specifically, a foamed silicone resin frame substrate such as an aluminum plate is heated to about 100 ° C. on a hot plate,
While heating, the first gap is filled with a sol-like colored vinyl chloride resin and colored. After the resin in the first gap is solidified in the second gap adjacent to the first gap, the resin is filled and colored so that the resins come into contact with each other to draw a picture.

FIG. 2 is a partial sectional view of FIG. As shown in FIG. 2, each of the gaps 5 such as the bordered figure or pattern is filled with the sol-shaped colored vinyl chloride resins 6a to 6d of the adjacent gaps so as to be in contact with each other at the upper part and solidified. You.

The method of filling the gap with the resin is as follows.
When 5d is adjacent, a sol-like (liquid) colored vinyl chloride resin having low viscosity is extruded from an extrusion tube, and one of the gaps 5b, 5d is filled with the resin 6b, 6d of each color, and the gaps 5b, 5d are filled. After the resin is solidified, the other adjacent gaps 5a and 5c are filled with the resins 6a and 6c.

The sol (liquid) colored vinyl chloride resin may be any resin having a low viscosity, for example, having a viscosity of 4,000 at room temperature.
It is desirably 0 or less, preferably 1,500 to 2,500 cp.

The thickness of a line such as a figure or a pattern of the heat-foamable silicone resin adhesive drawn on the substrate by silk printing is, for example, 0.4 to 0.5 mm, and the thickness of the sol filled in the gap is 0.4 to 0.5 mm. The thickness of the colored vinyl chloride resin is preferably, for example, 1.0 to 1.5 mm.

In this manner, the foamed silicone resin frame substrate 4 on which a colored figure or pattern is drawn is placed on a hot plate, oven, oven toaster, or the like, and is heated at about 180 ° C. to 220 ° C. for 2 to 10 minutes. By heating, the colored vinyl chloride resin is cured and fused together.
(Step C)

Next, as shown in FIG. 1C, the cured colored vinyl chloride resin is cooled from water or the like, and the cured colored vinyl chloride resin is peeled off from the foamed silicone resin frame substrate 4 to form a soft, three-dimensional colored figure or pattern on the surface. And the like, and a plastic decorative article 7 having a flat back surface formed thereon can be obtained (step D). Since the border 3 of the silicone resin adhesive is formed of a foamed silicone resin, the border 3 has good releasability from the cured colored vinyl chloride resin, and is held in a state of being adhered to the foamed silicone resin frame substrate 4.

The foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (D) was peeled off was repeatedly used for the foamed silicone resin frame substrate in the step (A) again. By performing the steps (D) to (D), it is possible to produce a colored plastic decorative article such as the same figure or pattern again.

The sol colored vinyl chloride resin used in the present invention is accommodated in an extrusion tube,
A variety of primary colors such as blue, green, brown, white, and black, translucent colors such as pink, blue, yellow, and green, or transparent materials can be used.

As the translucent colored vinyl chloride resin, for example, 0.05 to 3 parts by weight, preferably 0.1 to 1 part by weight of the colored vinyl chloride resin with respect to 100 parts by weight of the transparent vinyl chloride resin.
Resins containing parts by weight are desirable. When such a translucent colored vinyl chloride resin is applied to and adhered to a white vinyl chloride resin, a vinyl chloride resin product having an enamel-like color can be obtained.

The color of the colored vinyl chloride resin material is as follows:
The color is not particularly limited to the above, and any color can be selected and used. A hot plate or oven is used to heat and cure the colored vinyl chloride resin material, and the heating means is preferably heated by electricity.

Next, the second invention of the present invention will be described with reference to the drawings. 3 and 4 are process drawings showing another embodiment of the method for producing a colored plastic decorative article of the present invention.

In FIG. 3A, a first-stage border 13a of a figure or pattern 12 is formed on a substrate 11 by using the method of the first embodiment of the present invention, using a heat-expandable silicone resin adhesive. Heat to foam and cure the silicone resin adhesive. Next, the first-stage border 13a
2nd edge 1 thicker than the first edge along the contour of
Perform 3b and heat to foam and cure the silicone resin adhesive. The first step and the second border are preferably performed by silk printing because they can be accurately drawn. The thickness of the first-stage edging is, for example, about 0.5 mm, and the thickness of the second-stage edging is, for example, preferably about 0.8 to 1 mm. In order to achieve this thickness by silk printing, the first and second borders may be formed by repeating the printing, heating, foaming, and curing operations of silk printing a plurality of times.

Next, as shown in FIG. 3B, a two-stage foamed silicone resin frame is formed by foaming and curing a silicone resin adhesive which is drawn by drawing a line of a figure or pattern 12 and adhered onto a substrate. The substrate 14 is manufactured. (Step a) Next, the first colored vinyl chloride resin 16 in the form of a sol is filled in the gaps 15 such as the figure or pattern bordered by the first step by the above-mentioned method, and the picture is drawn. (Step b)

FIG. 5 is a partial sectional view of FIG. As shown in FIG. 5, in each of the gaps 15 such as the bordered figure or pattern, a first sol-like colored vinyl chloride resin 16a in an adjacent gap is provided so that the first-stage border 13a can be seen from above. １６16d are filled so as not to contact.

Next, the foamed silicone resin frame substrate 14 is placed on a hot plate or an oven.
By heating at 220 ° C. for 2 to 10 minutes, the first colored vinyl chloride resin 16 in the gap 15 is cured. (Step c)

Next, as shown in FIG. 4 (c), a sol-like material is formed on the cured first colored vinyl chloride resin 16a to 16d in the gap 15 and in the region bordered by the second step 13b. The second colored vinyl chloride resin 26 is filled and the entire surface is colored flat. (Step d)

FIG. 6 is a partial sectional view of FIG. As shown in FIG. 6, the sol-like second colored chloride is provided in each of the gaps 15, such as the bordered figures or patterns, the first colored vinyl chloride resins 16a to 16d, and the second bordered area 13b. The vinyl resin 26 is filled so that the surface becomes flat.

In this manner, the two-stage foamed silicone resin frame substrate 14 on which the colored figure or pattern is drawn is placed on a hot plate or an oven, and is heated to about 180 ° C. to 220 ° C.
Heating for 2 to 10 minutes with the second colored vinyl chloride resin 2
6 is cured, and the first and second colored vinyl chloride resins are integrally fused. (Step e)

Next, as shown in FIG. 4D, the cured colored vinyl chloride resin is cooled with water or the like and the cured colored vinyl chloride resin is peeled off from the two-stage foamed silicone resin frame substrate 14 to form a soft three-dimensional colored pattern on the surface. Or, a plastic decorative article 17 having a pattern or the like, the front or back surface of which is formed in a flat planar shape.
Can be obtained. (Step f)

The plastic decorative article 17 manufactured according to the second invention is bordered by the second colored vinyl chloride resin 26, and the bordered gap is colored by the first colored vinyl chloride resin 16. It has a figure or a pattern. Further, the peeled two-stage foamed silicone resin frame substrate 1
Since the first and second borders of the silicone resin adhesive of No. 4 are formed of foamed silicone resin, they have good releasability from the cured colored vinyl chloride resin and are adhered to the foamed silicone resin frame substrate 14 Is held.

Further, the two-stage foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (d) is peeled off is used again for the two-stage foamed silicone resin frame substrate in the step (a). By performing the steps (b) to (e) in the same manner as in the above, it is possible to produce the same colored plastic decorative article such as the same figure or pattern again.

Next, the third invention of the present invention will be described. According to a third aspect of the present invention, a two-stage foamed silicone resin frame substrate having a border such as a figure or pattern of the silicone resin adhesive prepared in the step (a) of the second aspect of the invention is used twice, and is symmetrical to each other. This is a method for manufacturing a pair of colored plastic decorative articles having a figure or pattern, and being formed in a flat flat shape that is soft and can be in close contact with a flat surface portion.

The present invention is carried out by two independent methods of X and Y. First, the method of X is performed in the same manner as the second invention as described below using the two-stage foamed silicone resin frame substrate produced in the step (a) of the second invention, A colored plastic decorative article having the same shape as the invention is manufactured.

(Method of X) (x1) A letter, symbol, figure or pattern line is drawn on a substrate using a heat-foamable silicone resin adhesive to perform first-stage edging, and then heated to bond the silicone resin. After the foaming agent is cured and adhered on the substrate, the second-stage edging of the heat-foamable silicone resin adhesive is performed along the outer periphery of the first-stage edging to be thicker than the first-stage edging, and then heated. Forming a two-stage foamed silicone resin frame substrate by foaming the silicone resin adhesive and curing and bonding the silicone resin adhesive on the substrate, (x2)
A step of filling a sol-like first colored vinyl chloride resin into each gap of the first-stage bordered figure or pattern and painting the same, and drawing a picture; (x3) heating and first coloring in the gap Curing the vinyl chloride resin, (x4) filling the second colored vinyl chloride resin in the form of a sol on the first colored vinyl chloride resin in the gap and in the bordered area of the second step; (X5) then heating to cure the second colored vinyl chloride resin and to fuse the first and second colored vinyl chloride resins together (x5)
6) Next, a step of cooling and peeling the cured colored vinyl chloride resin from the two-stage foamed silicone resin frame substrate to form a soft, flat surface capable of adhering the front surface or the back surface to the flat portion. A method for producing a colored plastic decorative article X having the same.

Next, the method of Y uses only the first-stage border 13a of the two-stage foamed silicone resin frame substrate manufactured by the above-mentioned method X, and does not use the second-stage border 13b. Is performed in the same manner as the first invention as described below,
A colored plastic decorative article having the same shape as that of the first invention is manufactured.

(Method of Y) (y1) A two-stage foamed silicone resin frame substrate having a first-stage and a second-stage border, from which the colored vinyl chloride resin cured in step (x6) of the above-described method X is peeled off, is heated. While filling the gaps of the first-stage trimmed letters, symbols, figures or patterns with the sol-colored vinyl chloride resin and solidifying it, the sol is formed so that the resin contacts each other in the gap and the adjacent gap. (Y2) then heating and curing the colored vinyl chloride resin to fuse it together, (y3) then cooling and curing A method for producing a colored plastic decorative article Y, which comprises a step of peeling the colored vinyl chloride resin from the foamed silicone resin frame substrate to form a soft and flat back surface capable of closely adhering to the flat portion.

The pair of colored plastic decorative articles X and Y produced by the above-described methods X and Y have a symmetrical figure or pattern and are soft and closely adhered to a flat portion. Since it is formed in a flat plane shape, it can be enjoyed as an ornament related to each other.

As described above, the method for producing a plastic decorative article of the present invention simplifies the working process by using a foamed silicone resin frame substrate produced using a heat-foamable silicone resin adhesive. The same product can be repeatedly manufactured.

In addition, by using a silicone resin frame which has been trimmed using a heat-expandable silicone resin adhesive by silk printing, a high-precision foamed silicone resin frame substrate for a plastic decorative article can be manufactured in large quantities. Further, by foaming the silicone resin, the number of times of silk printing for trimming can be reduced, and the process can be simplified.

The plastic decorative article manufactured by the method of the present invention having a three-dimensional colored figure or pattern on the front surface is soft and the back surface is formed in a flat flat shape. It can be used as indoor decorations because it adheres to flat surfaces such as glass, door doors, and tiles. Further, if a part of the plastic decorative article is cut out with scissors, a cutter or the like, it is suitable as an emblem or a sticker. It can also be used as a store display.

[0057]

The present invention will be described more specifically with reference to the following examples.

Example 1 A plastic decorative article for an automobile was produced by the same method as the method for producing a plastic decorative article of the present invention shown in FIG.

On the aluminum plate 1, silk-screen printing of a car figure was performed using a two-component heat-foamable silicone resin adhesive, and the operation of foaming by heating at 150 ° C. for 2 minutes was repeated three times. An outline of an automobile consisting of a line having a width of 0.5 mm and a width of 1 mm was drawn and trimmed 3 to prepare a foamed silicone resin frame substrate 4. (See FIG. 1 (b)) As a two-part heat-foamable silicone resin adhesive, X-32-1737A / B (paste) manufactured by Shin-Etsu Chemical Co., Ltd. was used.

Next, the sol resin of each color is extruded from the tube by using a tube containing a low-viscosity colored vinyl chloride resin of a sol color of each color of red, sky blue, blue, yellow and white having the following composition. I painted the gap and painted the picture. Specifically, the aluminum plate 1 is heated to about 100 ° C. on a hot plate.
Then, while heating, a part of the gap 5 was filled with a red sol colored vinyl chloride resin and colored. Next, in the gap adjacent to the gap, after the red resin of the previous gap is solidified,
The blue resin was filled and solidified so that the resins were in contact with each other, and this operation was sequentially repeated to draw a picture. The thickness of the sol colored vinyl chloride resin filled in each gap was about 2 mm.

Low-viscosity colored vinyl chloride resin 100 parts by weight Dioctyl phthalate (plasticizer) 70 parts by weight Calcium carbonate 5 parts by weight Stabilizer (calcium-based) 2 parts by weight Pigment 1 part by weight Viscosity: 1,500 at room temperature ２，2,500 cp (Note) With the above composition, each of low-viscosity colored vinyl chloride resins was prepared using red, sky blue, blue, yellow, and white pigments as pigments.

Next, the aluminum plate 1 on which the picture was drawn in this manner was heated for about 3 to 4 minutes on a hot plate or an oven heated to 200 ° C. to cure the colored vinyl chloride resin and fuse it together.

Next, the aluminum plate was taken out of the hot plate, the aluminum plate was cooled with water, and the cured resin was gently peeled off to obtain a soft plastic decorative article 7 having a three-dimensional colored pattern on the surface. . (See Fig. 1 (c))

In the plastic decorative article thus obtained, the edge of the silicone resin adhesive is concave on the back surface, and the flat surface of the aluminum plate is transferred to the glass decorative article. It can be used as a decorative product by pressing it against a desired surface to adhere to it, or by sticking it to a desired surface using an adhesive or an adhesive as needed.

The aluminum plate from which the plastic decorative article 7 has been peeled off is a foamed silicone resin frame substrate having an automobile figure border of a silicone resin adhesive on the aluminum plate. Thus, the decorative article made of colored plastic could be produced again.

Example 2 A plastic decorative article for an automobile was manufactured by the same method as the method for manufacturing a plastic decorative article of the present invention shown in FIGS. 3 and 4.

On the aluminum plate 11, a two-component heat-foamable silicone resin adhesive is used to perform silk-printing of automobile figures, and the operation of foaming and curing by heating at 150 ° C. for 2 minutes is repeated a plurality of times. 0.5mm thick car wires,
The first-stage border 13a was drawn with a width of 1 mm. (See FIG. 3 (a).) The two-component heat-foamable silicone resin adhesive includes Shin-Etsu Chemical Co., Ltd. brand name X-32-
1737A / B (paste) was used.

Next, the second-stage edging 13b having a thickness of 0.8 m, which is thicker than the first edging, and a width of 3 mm is printed along the outer periphery of the first-stage edging 13a in the same manner as described above. Performed several times to form. (See FIG. 3B)

Next, red, sky blue, blue, yellow and white of the same composition as in the first embodiment are placed in the gaps 15 of the first and second trimmed automobiles on the aluminum plate 11. Using a first sol-like tube containing a low-viscosity colored vinyl chloride resin, the sol-like resin of each color was extruded from the tube, filled, painted, and painted. Each gap 15 was filled in such a manner that the first border was visible from above and the first sol-like colored vinyl chloride resin in the adjacent gap was not in contact with the gap.

Next, the foamed silicone resin frame substrate 14 is placed on a hot plate and heated at 200 ° C. for 3 minutes.
The first colored vinyl chloride resin 16 in the gap 15 was cured. Next, the second colored vinyl chloride resin 26 in the form of a green sol is filled on the cured first colored vinyl chloride resin 16 and in the region bordered by the second step 13b so that the entire surface becomes flat. It was painted. (Refer to FIG. 4 (c).) Then, the aluminum plate 1 on which the picture was drawn in this manner was heated at 200 ° C.
And heated for about 3 to 4 minutes to cure the second colored vinyl chloride resin and to fuse the first and second colored vinyl chloride resins together.

Next, the aluminum plate is taken out from the hot plate or the oven, and after cooling the aluminum plate with water, the cured resin is gently peeled off to remove the plastic decorative article 17 having a soft and three-dimensional colored pattern on the surface. Obtained. (See Fig. 4 (d))

The plastic decorative article thus obtained has a colored pattern in which each part of the automobile is colored first, and the border and the outer peripheral part are colored green second. When pressed against a glass window or other smooth surface, any of the back surfaces can be used as a decorative product by adhering to the surface or by sticking it to a desired surface using an adhesive or an adhesive as required.

The aluminum plate from which the plastic decorative article 17 has been peeled off is a two-stage foamed silicone resin frame substrate having a two-stage border of an automobile figure of a silicone resin adhesive on the aluminum plate. Using the step foamed silicone resin frame substrate, a colored plastic decorative article could be produced again.

Example 3 A two-stage foamed silicone resin frame substrate having an automobile edging of the silicone resin adhesive prepared in Example 2 was used twice, and it was soft and adhered to a flat surface with a symmetrical pattern. A pair of colored plastic ornaments, which are formed in a flat, planar shape, that can be made.

This example was carried out by independent methods of X and Y. First, the method of X is described in Example 2.
Using the two-stage foamed silicone resin frame substrate made in
In the same manner as in Example 2, a colored plastic decorative article X having a car pattern was manufactured.

Next, in the method of Y, the two-stage foamed silicone resin frame substrate used in the method of X is used, and only the first-stage border 13a of the two-stage foamed silicone resin frame substrate is used. A colored plastic decorative article was produced in the same manner as in Example 1 without using the two-step border 13b.

That is, each gap of the first-stage bordered automobile pattern of the two-stage foamed silicone resin frame substrate having the first-stage and second-stage borders, from which the colored vinyl chloride resin cured by the method X is peeled off. In the same manner as in Example 1, a sol-shaped colored vinyl chloride resin is filled so that the resins in adjacent gaps are in contact with each other, colored, cured, and fused integrally,
Upon cooling, the cured colored vinyl chloride resin is peeled off from the two-stage foamed silicone resin frame substrate to obtain a colored plastic decorative article Y formed into a flat, flat surface that is soft and can be in close contact with the back surface. Was.

As shown in FIG. 7, the pair of colored plastic decorative articles X and Y produced by the above-described methods X and Y have a symmetrical pattern with each other, and are soft and flat. Since it is formed in a flat planar shape that can be in close contact with the object, it can be enjoyed as an ornament related to each other.

[0079]

As described above, according to the present invention, the use of a foamed silicone resin frame substrate manufactured by using a heat-foamable silicone resin adhesive simplifies the working process and enables a desired figure or A plastic decorative article having a three-dimensional colored figure or pattern on a surface having a pattern or the like can be easily manufactured.

Also, by using the foamed silicone resin frame substrate, the same plastic decorative article can be repeatedly produced. In addition, a pair of colored plastic ornaments can be manufactured, and the ornaments have a symmetrical figure or pattern, and are formed into a flat flat shape that is soft and can be in close contact with a flat portion. Because of this, they can be enjoyed as related ornaments.

The plastic ornaments having a three-dimensional colored figure or pattern formed on the surface thereof according to the present invention are formed in a soft and flat planar shape.
It can adhere to tiles etc. and be enjoyed as a decorative item.

[Brief description of the drawings]

FIG. 1 is a process diagram showing one embodiment of a method for producing a colored plastic decorative article of the present invention.

FIG. 2 is a partial cross-sectional view of FIG.

FIG. 3 is a process chart showing the first half of another embodiment of the method for producing a colored plastic decorative article of the present invention.

FIG. 4 is a process chart showing the latter half of another embodiment of the method for producing a colored plastic decorative article of the present invention.

FIG. 5 is a partial cross-sectional view of FIG.

FIG. 6 is a partial cross-sectional view of FIG.

FIG. 7 is a schematic view of a colored plastic decorative article manufactured in Example 3.

[Explanation of symbols]

1, 11 substrate (aluminum plate) 2, 12 figure or pattern, etc. 3 edging 4 foamed silicone resin frame substrate 5, 15 gap 6, 6a, 6b, 6c, 6d colored vinyl chloride resin 7, 17 plastic decorative article 13a first Step border 13b Second step border 14 Two-step foamed silicone resin frame substrate 16, 16a, 16b, 16c, 16d First colored vinyl chloride resin 26 Second colored vinyl chloride resin

Claims (9)

[Claims] (A) A character, a symbol, a figure or a pattern line is drawn on a substrate by using a heat-foamable silicone resin adhesive to form a border, and then heated to foam the silicone resin adhesive to form a substrate. Preparing a foamed silicone resin frame substrate by curing and adhering to the substrate; (B) filling the gaps between the bordered letters, symbols, figures or patterns with a sol-shaped colored vinyl chloride resin while heating the substrate and solidifying After that, a step of filling a sol-like colored vinyl chloride resin so that the resin is in contact with the gap adjacent to the gap, solidifying the resin, painting the picture, and (C) heating the colored vinyl chloride resin (D) Then, after cooling, the cured colored vinyl chloride resin is peeled off from the foamed silicone resin frame substrate so that the back surface is soft and can be in close contact with the flat portion. Flat A method for producing a colored plastic decorative article, comprising a step of forming. 2. The heat-expandable silicone resin adhesive is a two-pack heat-expandable silicone resin adhesive.
A method for producing a colored plastic decorative article as described above. 3. The method of manufacturing a colored plastic decorative article according to claim 1, wherein a line of a character, a symbol, a figure, or a pattern is drawn on said substrate by silk printing using a heat-foamable silicone resin adhesive. 4. The colored plastic according to claim 1, wherein the foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (D) is peeled off is repeatedly used as the foamed silicone resin frame substrate in the step (A). Method of manufacturing decorative products. 5. A first step of framing a character, a symbol, a figure or a pattern line on a substrate using a heat-foamable silicone resin adhesive, and heating the foam to form a silicone resin adhesive. After curing and bonding on the substrate, the second step of the heat-foamable silicone resin adhesive is performed along the outer periphery of the first step and thicker than the first step, and then heated to form a silicone resin. The adhesive is foamed and cured on the substrate,
A step of fabricating a two-stage foamed silicone resin frame substrate by bonding, (b) filling a gap between the bordered letters, symbols, figures, or patterns of the first stage with a sol-like first colored vinyl chloride resin; (C) heating to cure the first colored vinyl chloride resin in the gap,
(D) a step of filling the second colored vinyl chloride resin in a sol state on the first colored vinyl chloride resin in the gap and in the bordered area of the second step, and coloring the entire surface flat; e)
Then, heating to cure the second colored vinyl chloride resin and fusing the first and second colored vinyl chloride resins together (f). Peel from the foamed silicone resin frame substrate,
A method for producing a decorative article made of colored plastic, comprising a step of forming a soft, flat surface in which the front or back surface can be in close contact with a flat portion. 6. The heat-foamable silicone resin adhesive is a two-pack heat-foamable silicone resin adhesive.
A method for producing a colored plastic decorative article as described above. 7. The method for producing a decorative article made of colored plastic according to claim 5, wherein a line of a character, a symbol, a figure or a pattern is drawn on said substrate by silk printing using a heat-foamable silicone resin adhesive. 8. The two-stage foamed silicone resin frame substrate from which the colored vinyl chloride resin cured in the step (f) is peeled off is repeatedly used as the two-stage foamed silicone resin frame substrate in the step (a). A method for producing a colored plastic decorative article as described above. 9. It has a symmetrical character, symbol, figure or pattern formed by the following methods X and Y, and is formed in a flat flat shape which is soft and can be in close contact with a flat portion. Manufacturing method of a pair of colored plastic decorative articles X and Y described above. (Method of X) (x1) A letter, symbol, figure or pattern line is drawn on a substrate using a heat-foamable silicone resin adhesive to perform first-stage edging, and then heated to foam the silicone resin adhesive. After curing and bonding on the substrate, the second step of the heat-foamable silicone resin adhesive is performed along the outer periphery of the first step and thicker than the first step, and then heated to form a silicone resin. A step of producing a two-stage foamed silicone resin frame substrate by foaming an adhesive, curing and adhering on the substrate, (x2)
A step of filling each gap of the first-stage framed letters, symbols, figures or patterns with a sol-like first colored vinyl chloride resin, coloring and drawing a picture; Curing the one colored vinyl chloride resin, (x4) applying a sol-shaped second colored vinyl chloride resin on the first colored vinyl chloride resin in the gap and in the bordered area of the second step. Filling and coloring the entire surface flat (x5), then heating to cure the second colored vinyl chloride resin and fusing the first and second colored vinyl chloride resins together (x6) Cooling and peeling the cured colored vinyl chloride resin from the two-stage foamed silicone resin frame substrate to form a soft, flat surface that can be adhered to the front or back surface with a flat surface. Method of manufacturing decorative article X (Y method) (y1) While heating the two-stage foamed silicone resin frame substrate having the first stage and the second stage border, from which the colored vinyl chloride resin cured in the step (x6) of the method X is peeled off, After filling and solidifying the sol-shaped colored vinyl chloride resin in the gaps between the letters, symbols, figures or patterns bordered by the step, the sol-shaped colored chloride is applied so that the resins come into contact with each other in the gaps and adjacent gaps. A step of filling and solidifying the vinyl resin, coloring and drawing a picture, (y2) a step of heating and curing the colored vinyl chloride resin to be fused together, and (y3) a step of cooling and curing the cured colored chloride. A method for producing a colored plastic decorative article Y, comprising a step of peeling a vinyl resin from a foamed silicone resin frame substrate to form a soft, flat back surface capable of closely adhering to a flat portion.