JPH0298441A - Decorative material and manufacture thereof - Google Patents

Abstract

PURPOSE:To obtain decorative material excellent in cubic effect ad decorativeness by a method wherein transparent ultraviolet curing resin is applied onto pattern part, which is formed on the top surface of non-rigid foamed base material or foamable base material, so as to be cured through the irradiation of ultraviolet rays and foaming is done by heating in the case of the foamable resin, resulting in developing continuous creping pattern. CONSTITUTION:Pattern portions 2 ad 2' are formed with foamable or non- foamable polyvinyl chloride(PVC) paste ink and other coloring material on the top surface of base material 1, which is 0.5-7mm thick and made of non-rigid foamed sheet such as PVC urethane sheet or the like or of foamable sheet containing foaming agent such as azodicarbonamide or the like. Thin layer 3 having a preferable thickness of 100-600mum of PVC paste is formed on the pattern parts 2 and 2. Further, urethane-based or acrylic UV resin 4 is applied by a thickness of 10-250mum onto said PVC paste so as to cure the UV resin 4 by irradiating the surface of the resin 4 with an UV lamp 5 in order to obtain a laminate 6. In case of the foaming agent-containing foamable base material, continuous creping patterns 7 and 7' are developed on the UV resin layer 4 by heating the laminate 6.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention has a three-dimensional texture and is applied to decorative materials such as flooring materials with excellent design.

(Prior Art) Conventionally, flooring materials coated with ultraviolet curing (UV) resin have smooth and glossy surfaces and have been praised as wax-free types. However, since UV resin is hard, it is extremely difficult to form an embossed pattern on it, and there has been a need for a decorative material with more subtle variations.

(Problems to be Solved by the Present Invention) The present invention is an invention that solves the above-mentioned problems, and aims to provide a decorative material that has a delicate horizontal texture on the surface and has an excellent three-dimensional effect and design. purpose.

(Means for Solving the Problems) The method for manufacturing the decorative material of the present invention includes the steps of forming a pattern on the upper surface of a soft foam base material or a foamable base material, and coating the pattern with a transparent ultraviolet curing resin. A method for producing a decorative material, which comprises a step of curing the resin by irradiating it with ultraviolet rays, and heating the cured resin to foam it in the case of a foamable base material and to develop a continuous grain pattern. This is a summary and will be explained below based on the drawings.

1 and 2 are cross-sectional views of the manufacturing process of the present invention.
A rotary screen or other stencil is used on the upper surface of a foamed flexible sheet substrate made of polyvinyl chloride (PVC) polyurethane, polyolefin, etc. or a foamed sheet substrate containing a blowing agent such as azodicarbonamide, with a thickness of 0.5 to 7 mm. , or randomly foamed PvC or non-foamed Pv
A pattern portion 2.2' is formed using C paste ink or other coloring material.

In addition, a patterned portion can be obtained by applying a coloring material such as PvC paste using a coater, or by transferring and imprinting the same paste layer onto a brigelized layer.

A thin layer 3 of preferably 100 to 600 μm of PvC paste is formed on the patterned portion 2.2′ obtained, and a thin layer 3 of preferably 10 to 250 μm of urethane, acrylic, or urethane-acrylic type UV resin 4 is applied. A lamp 5 is used to irradiate the surface of the resin 4 to cure the UV resin, thereby obtaining a laminate 6.

Note that the PvC paste layer does not need to be provided when the product does not require much strength.

By heating the laminate 6 at 80 to 260°C for 10 seconds to 15 minutes, in the case of a foamable base material containing a foaming agent, this foams and UV4! If a continuous grain pattern appears on the fat layer 4.

FIG. 3 is a sectional view of the decorative material of the present invention.

The decorative material of the present invention has a pattern on the upper surface of a soft foam base material, and a transparent ultraviolet curable resin with a horizontal texture is laminated on the pattern with or without a thin layer of polyvinyl chloride paste. A decorative material characterized in that a patterned portion 2.2' is formed on the above-mentioned soft foam layer 1, and a PvC base (preferably 100 to 600 μm thick) 8 layer 3 is formed on top of the patterned portion 2.2'. Furthermore, a transparent UV resin layer 4 with a thickness of 10 to 250 μm is formed thereon.

Since the pattern part 2.2' has a certain thickness, the Pv above it
When the C thin layer 3 and the UV resin layer 4 are uniformly applied, these resin layers are thinner on the patterned portions. When the UV resin layer is heated in this state, a sharp grain pattern 7 is continuously formed on the patterned portion 2.2', and a gentle grain pattern 7' is formed in the non-patterned portion. In this way, the UV resin is appropriately deformed, and a decorative material 8 with a richly varied grain pattern is obtained.

Effect of the Invention After the UV resin layer is cured, the entire laminate is heated to cause the foamed or foamable base material to expand or foam, and the pressure is applied to the UV resin.

Since the UV resin layer is hard, it can withstand the above pressure until it reaches a certain critical temperature, but once the critical temperature is exceeded, it softens and the thinnest part is pushed up, creating a sharp grain, while the other parts are gentle. It becomes grainy. In this way, the pattern of the decorative material of the present invention is obtained.

In the present invention, the degree of appearance of the grain pattern can be changed by controlling the UV resin coater. For example, the thickness of the UV resin layer can be changed by changing the thickness of the pattern part or the thickness of the 270 layer to be undercoated. As a result, sharp grains can be formed on the UV resin layer above the pattern.

Further, by using a foaming inhibitor in combination, sharp grains can be obtained in the convex portions of the chemical embossing, and gentle grains can be obtained in the concave portions. Incidentally, even when only the foamed BRIGEL layer is used as the pattern, the surface of the BRIGEL layer has a large number of irregularities, and a fine horizontal pattern of grains can be obtained in accordance with these irregularities.

Furthermore, as shown in the embodiment diagram of FIG.
Glitter particles 9 such as metal pieces, crushed metal vapor-deposited sheets, and pearlescent pieces are added to the upper pattern portion 2.2', and glitter particles 10 are added to the PVC paste thin layer and UV resin layer. It is possible to enhance the glossy design.
7.7' is a grain pattern.

5ei! l is a perspective view with a part of the decorative material cut away;
There is a grain pattern 7 on the surface of the V resin layer 4, which is combined with the pattern 11 under the UV resin to obtain the decorative material 8 of the present invention.

(Effects of the Invention) ■A novel three-dimensional UV resin grain pattern rich in design is obtained.

■The pattern underneath can be seen through the grain pattern and the transparent UV resin, and the combination of these creates an attractive appearance.

■ Not only does it have antifouling properties using UV resin, but it also has a non-slip effect.

■Furthermore, by adding glitter particles, the design quality is greatly improved.

■ The direction of graining can be adjusted by the coating conditions of the UV resin or the setting of the pattern section.

Example] Non-foaming PvC was added to a soft PvC sheet base material made by blending an azodicarbonamide foaming agent onto PvC paste and foaming it.
Form a printed pattern with paste ink, then form a thin layer of transparent PvC paste with a thickness of 200 μm on top, and then apply a thin layer of transparent PvC paste with a thickness of 300 μm.
After applying the UV resin, the resin was cured by irradiation with U-clamp UV, and then heated at 200° C. for 1 minute to obtain a decorative material with a grained horizontal surface.

Example g42 A pattern similar to Example 1, a transparent PvC layer, and a UV resin layer were formed on a base material made of a PvC paste containing an azodicarbonamide part mixed with 100 parts by weight of PvC resin, and then heated at 200°C for 30 minutes. The brigellated substrate was foamed while heating for a minute.

Example 3 A decorative material was produced in the same manner as in Example 1, except that the transparent PvC thin layer was removed. The design was the same as in Example 1.

Example 4 Except that a pattern was formed on the base material by a part of non-foaming PvC paste ink and a part of foamable paste ink,
A decorative material was created in the same manner as in Example 1.

A decorative material was produced in the same manner as in Example 1 except for this.

As a result, the luster and the unique gloss of UV resin are combined, further improving the design.

5゜

[Brief explanation of the drawing]

1 and 2 are views of the manufacturing state of the decorative material of the present invention, FIG. 3 is a sectional view of the decorative material, FIG. 4 is a view of another embodiment of the decorative material, and FIG.
The figure is a partially cutaway view of the decorative material. l is the base material, 2.2' is the pattern part, 4 is the UV resin layer, 7.7
′ is a grain pattern, and 8 is a decorative material. Above Example 5

Claims (1)

[Scope of Claims] 1. A transparent ultraviolet curable resin having a pattern on the upper surface of a flexible foam base material, on which a textured pattern is applied with or without a thin layer of polyvinyl chloride paste. A decorative material characterized by being made of laminated layers. 2. The decorative material according to claim 1, wherein the ultraviolet curing resin has a particle size of 10 to 250μ. 3. The decorative material according to claim 1, wherein glittering particles are added to the patterned portion or the ultraviolet curing resin. 4. A step of forming a pattern on the upper surface of a soft foam base material or a foamable base material, a step of coating a transparent ultraviolet curable resin on the pattern portion and curing the resin by irradiating ultraviolet rays, and a step of curing the resin. 1. A method for producing a decorative material, which comprises heating a foam base material to foam the base material and to develop a continuous grain pattern.