JPS59192600A - Method of coloring core material for handicraft made of foamed styrol - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] A method for coloring foamed polynarene sea bream craft core material coated with thread or the like and molded into various shapes such as roosters, chickens, other birds, and animals used as decorations. It is related to.

Recently, as interest in creation has increased, there has been a demand for handicraft products that are familiar to many people in the handicraft field.T1. Various handicraft materials have become commercially available that will revolutionize traditional handicrafts. This trend is becoming stronger and more new products are expected to be developed in the future.

However, with the recent development of synthetic resin molding, the majority of handicraft materials are now molded from synthetic resin, and expanded polystyrene in particular has a wide range of uses, including packaging materials.
However, because it is easy to use, its use in the handicraft field has gradually become more widespread.

However, due to its nature, expanded polystyrene is susceptible to organic solvents and oils. Material surface is attacked nJ
It is qualitatively unusable and cannot be sufficiently colored, so it is rarely used as a handicraft material that requires coloring, and its use has been restricted. Lacquer is usually made by dissolving cellulose nitrate, resins, plasticizers, etc. in a solvent and diluting it with a diluent, and is also an oil-based paint. It is well known that solvents are also used in synthetic resin paints.

Of course, there are also colored paints that do not have an adverse effect on expanded polystyrene, but these are undesirable because they have poor gloss and lower commercial value.

The present inventor has addressed the above-mentioned actual situation and provided a method for coloring the core material that requires partial or full coloring, with the intention of applying it to the core material for handicrafts of molded products made of foamed polyethylene. The purpose is to

That is, one of the features of the present invention is that an arbitrary animal shape such as a crow is molded out of foamed polyethylene to form a core material for handicrafts, and the core material has a covering material applied to its surface and the portion that remains exposed. The coloring method involves first forming an aqueous protective coating on the area, then applying a coloring material such as paint on the protective coating, and then applying lacquer and polishing.

) Hereinafter, the features of the present invention described above will be explained in detail one after another.

First of all, the first point of the present invention is that the foamed foam + J Sunalen force)
It is a core material for handicrafts.

υ) The core material for handicrafts made of the foamed Boris crucianum 1 can be easily molded by known molding means, and can be molded into the shapes of various animals including crows such as cocks and chickens.

However, as is customary for polysnarene foam molding, this core material has many irregular small circular spots on its surface due to the raw material beads, and it is unacceptable to use it as a core material as it is. Parts that are exposed as they are are unavoidable, and leaving them exposed as they are will inevitably make the product look bad and reduce the product value.

Therefore, it is necessary to color these parts. However, the properties of expanded polystyrene are as described above, and it is not preferable to directly color the polystyrene because it will corrode the surface of the core material.

Therefore, the second requirement of the present invention is to form a protective coating made of a water-based adhesive on the surface of the core material prior to applying the colored paint.

As the protective coating material used here, it is not preferable to use a material that affects the expanded polystyrene, and although it is possible to use a thermoplastic adhesive using a methanol solvent, generally a water-based adhesive is used.

Specific examples include those known by the trade name BOND, as well as various commercially available water-based adhesives.

Also, this aqueous protective coating may be transparent or semitransparent, but
In addition, colors that have little effect on coloring, such as white, can also be used.

These water-based protective coatings serve as fillers to cover the spots that appear on the outer surface of the expanded polystyrene core material, and protect the core material during subsequent coloring and lacquer application, so the thickness is appropriate for this purpose. to form.

After forming the above-mentioned protective film, the necessary areas are colored with a coloring agent such as paint by brush painting, brush painting, etc., and then lacquer is applied to give a glossy finish.

In this case, the colorant and lacquer should be applied as many times as necessary.
Paint.

However, if the protective coating is too thin, its effectiveness will be reduced, and this must be taken into account when applying the colorants and lacquers.

In addition, the formation of the above-mentioned protective film and the application of the coloring material and lacquer are performed using a piece of handicraft thread on the surface of the core material.

This may be done before applying a covering made of cloth or other handicraft material - if the covering material is used to cover the core material and this results in residual, exposed areas, then You may do so.

Thus, by forming an aqueous protective film on the colored portion of the expanded polystyrene handicraft core material colored in the manner described above, the core material will not be harmed in any way during the subsequent application of coloring paint or lacquer. Instead, the colored paint and lacquer are sufficiently applied to the core material, giving it a beautiful appearance as a handicraft product and improving its commercial value as a glossy product.

In particular, since the method of the present invention is easy to apply and can be easily applied by any person, it is possible to attach the respective materials (i.e., protective coating materials, paints, lacquers, etc.) and sell them together with the core material for handicrafts. □ Hereinafter, the mode of implementation will be further explained with reference to the accompanying drawings.

FIG. 1 shows a hollow-shaped core material (11) made of expanded borisnarene as an example of a material to which the method of the present invention is applied.

On the other hand, Fig. 2 shows a product finished by handicraft operations, in which a handicraft material (3) made of rayon flat yarn or the like is applied to the core material [1] except for the beak part (2). As covering materials, they are shaped into various shapes and pasted on to create products that resemble ovums.

Here, the beak part (21) is the part that has been colored by the method of the present invention, and is colored after the operation of pasting the handicraft material (3). 3)
As mentioned above, it may be colored in advance before pasting.

S v) < 5 obtained in Figure 2 is
It is used for decoration and as a pet toy.

The present invention is as described above, and is extremely effective in using expanded polystyrene core material 7 as one of the handicraft fields that explore innovative projects, and we look forward to its future implementation. .

[Brief explanation of the drawing]

FIG. 1 is an external view showing an example of a core material for handicrafts made of expanded polystyrene to which the method of the present invention is applied, and FIG. 2 is an external view of a handicraft product obtained from the core material. 8-

Claims (1)

[Claims] First, when coloring the exposed parts, first form an aqueous protective film on the exposed parts, apply the paint or other coloring material on the surface of the protective film, and then apply lacquer to give it a glossy finish. A method for coloring polystyrene foam core material for crafts.