JPS5855991B2 - TASAIMO YORTRIYO - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a multi-colored paint that can provide a coated film appearance with a rich three-dimensional effect in a single coating step.

Multicolored paint is a product in which liquid or solid particles of several different colors are independently dispersed in an oil-based or aqueous dispersion medium without being dissolved in this dispersion medium, and different colors can be created in one painting process. It is conventionally known to provide a coating film appearance consisting of a combination of droplet-like, granular-like or cloud-like shapes.

Regarding the manufacturing method, for example, US Pat. No. 259190'4, US Pat.
No. 09119, No. 2964417, No. 30241
No. 24, No. 3038869, No. 3058931,
No. 3058932, No. 3458328, No. 3573237, and No. 3725089.

In these conventional multi-colored paints, the dispersed particles dispersed in the dispersion medium are all colored particles using pigments with high hidden pigments, so the resulting paint film is due to the difference in tone between the colored particles. All that can be achieved is a uniform, two-dimensional pattern.

The inventors of the present invention have conducted various studies on multi-colored paints that can give depth to the planar tonal patterns in the conventional multi-colored paints and obtain color patterns with a rich three-dimensional effect. It has been discovered that the object of the present invention can be achieved by containing transparent or translucent dispersed particles in addition to the particles.

In the present invention, the transparent or translucent dispersed particles, which are essential components, do not contain any colored pigments and the main component is only a paint vehicle or a vehicle containing calcium carbonate, barium sulfate, talc, clay, silicon dioxide, etc. It is a dispersion of extender pigments.

The method for producing the multi-colored paint of the present invention and the materials used are not special and are conventionally known.

For example, highly viscous lacquer enamel or synthetic resin enamel and lacquer or synthetic resin paint without colored pigments are dispersed as particles of a size visible to the naked eye in an aqueous sol dispersion medium such as methyl cellulose and sodium alginate. These include those in which an emulsion paint is encapsulated with an aqueous gel and dispersed in an aqueous sol.

Furthermore, by appropriately changing the types of dispersion medium and dispersed particles, a multi-colored paint consisting of a combination of (1) an oily dispersion medium and oily particles, (2) an oily dispersion medium and aqueous particles, and (3) a vehicle and solid particles can be obtained.

The coating method by which the most effective pattern can be obtained with the paint of the present invention is spray painting, but the coating method is not limited to this, and by applying known coating methods such as brush, roller, curtain flow coater, etc. It is also possible to obtain unique patterns that take advantage of the characteristics of the law.

The paint of the present invention can be applied to architectural boards such as concrete boards, asbestos cement boards, asbestos perlite boards, bird boards, plaster boards, calcium silicate boards, ABS resins, styrene resins, acrylic resins, vinyl chloride resins, melamine resins, and polyester resins. Plastics, iron plates, aluminum plates, etc.
It can be applied to a wide range of materials, including metals such as tin plates and galvanized iron plates, wood, synthetic wood, glass, and ceramics.

The multicolored pattern paint of the present invention contains transparent or semi-transparent dispersed particles in addition to colored dispersed particles, so when the paint is applied, each colored particle is entirely or partially transparent. Or, semi-transparent particles overlap with each other at various thicknesses, resulting in subtle changes in tone even between particles of the same tone, resulting in a depth that cannot be achieved with conventional multicolored pattern paints that only disperse colored particles. A coating film with a rich three-dimensional effect can be obtained.

Furthermore, as the transparent or semi-transparent particles are compounded in multiple layers, the hiding power of the paint decreases, so the color tone of the object to be coated can appear as it is as the background color of a multicolored pattern, resulting in even better designs. A painted surface is obtained.

Specific examples of the present invention will be explained in detail with reference to the following examples.

Note that all formulation examples described below are in parts by weight.

Example 1 Composition A (dispersion medium) When composition F obtained as described above was spray-painted on a white cement board using a soufflage gun at an air pressure of 2 kg/-, translucent particles were partially visible on the white background. The appearance of black spots of various color depths was obtained by overlapping the entire surface or the entire surface, resulting in a coated surface rich in depth and three-dimensionality.

In addition, the colored cement board painted yellow in the same way has a black spot-like pattern with the depth of the color of various kinds,
By adding the yellow color of the base, a painted surface with an even better three-dimensional effect was obtained.

Comparative Example 1 Composition G (White Emulsion Base) A white emulsion base was prepared in the same manner as in Composition B of Example 1, using titanium dioxide (Tiebake R550 manufactured by 6 Hara Sangyo Co., Ltd.) in place of black iron oxide.

When the composition (2) obtained above was applied to a white cement board in the same manner as in Example 1, only a spot-like pattern with a mixture of white and black was obtained, and the result was a flat pattern with poor three-dimensionality. It was a colored painted surface.

Similarly, when a yellow cement board was painted, the color tone of the base was completely hidden by the white and black colored particles, resulting in a plain painted surface that was exactly the same as the white cement board.

Example 2 Composition J (Blue emulsion base) Composition L (Yellow emulsion dispersion) Among the components of Composition J, a cadmium yellow pigment dispersion (solid content in water 45%) was used in place of the cobalt blue pigment dispersion.
A yellow emulsion base was prepared in the same manner using the same method, and a yellow emulsion dispersion was obtained with the same composition.

Composition M (transparent emulsion dispersion) Using a transparent emulsion base obtained by excluding the cobalt fruit pigment dispersion among the components of composition J, group 11f was prepared.
A transparent emulsion dispersion was prepared in a similar manner to fiK.

When the composition N obtained above was applied to an ABS resin board in the same manner as in Example 1, a subtle change in color tone occurred due to the addition of transparent particles in addition to the blue and yellow spotted patterns, and a three-dimensional A colorful pattern rich in texture was obtained.

Comparative Example 2 A paint prepared by mixing the composition of Example 2 and L in equal amounts and uniformly dispersing the mixture was spray-painted on an ABS board in the same manner as in Example 2.

The resulting painted surface had only a two-dimensional mixture of blue and yellow spot patterns and lacked three-dimensional effect.

Claims (1)

[Claims] 1. In a multicolored pattern paint consisting of a dispersion medium and colored dispersion particles dispersed without being dissolved in the dispersion medium, in addition to the above-mentioned colored dispersion particles, a paint vehicle or a transparent or translucent paint consisting of a paint vehicle and an extender pigment is used. A multi-colored paint characterized in that liquid particles are dispersed in the dispersion medium without being dissolved.