JP2002339263A - Wall paper or decorative paper and method for producing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly safe wall paper or decorative paper generating no toxic gas such as dioxins when burnt, capable of preventing sickhouse syndrome during use, and constructed of raw materials all of which are biodegradable, thus considering disposal thereof as well. SOLUTION: This wall paper or decorative paper is produced by sticking a lining paper 4 via an adhesive 3 on one side of a base fabric 2 comprising a natural material such as cotton or hemp, a biodegradable fibrous material or the like and providing the other side with a water-resistant coating film layer 5 having antistatic function and the function to adsorb and scavenge toxic substances and then drying the base fabric.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wallpaper or decorative paper and a method for producing the same, and more particularly, to a wallpaper or decorative paper excellent in health and environmental problems and a method for producing the same.

[0002]

2. Description of the Related Art At present, about 750 million square meters of wallpaper are produced annually, of which about 700 million square meters still use vinyl chloride products.

[0003]

However, it is widely known that dioxin is generated, for example, when burning such a vinyl chloride product wallpaper, and it raises various problems during disposal. Then, formaldehyde and VOC emitted from plywood etc.
Sick house syndrome (chemical sensitivity) caused by (volatile organic compounds) has become a major social problem.

The present invention solves the above-mentioned problems, and in particular, does not generate harmful gases such as dioxin during combustion, and can prevent sick house syndrome during use and can be disposed of when all materials are biodegradable. An object of the present invention is to propose a highly safe wallpaper or decorative paper and a method for manufacturing the same.

[0005]

Means for Solving the Problems As means for solving the above problems, the invention according to claim 1 is directed to a method in which one surface of a base fabric made of a natural material such as cotton or hemp or a biodegradable fiber material is used. Affixes a backing paper via an adhesive, forms a water-resistant coating layer having the function of preventing static electricity generation and removing harmful substances from being absorbed on the other surface of the base fabric, and drying the base fabric. It is characterized by being formed.

According to a second aspect of the present invention, the coating layer is formed by applying a coating agent obtained by stirring and mixing a baked scallop shell powder, a biodegradable water-dispersible thermosetting water-resistant resin, and a pigment. What was done is preferred.

Further, the invention according to claim 3 is a first method in which a backing paper is adhered to one surface of a base fabric made of a natural material such as cotton or hemp or a biodegradable fiber material via an adhesive. Step, a second step of stirring and mixing the baked scallop shell powder, a biodegradable water-dispersed thermosetting water-resistant resin and a pigment to form a coating agent, and a backing paper stuck to one surface A third step of applying the coating agent formed in the second step to the other surface of the base fabric to form a coating layer, and a backing paper being attached to one surface and the other surface Drying at a predetermined temperature the base fabric having the coating layer formed thereon.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a wallpaper or decorative paper according to the present invention. This wallpaper or decorative paper 1 is cotton,
A backing paper 4 is adhered to one surface (back surface) of a base fabric 2 made of a natural material such as hemp or a biodegradable fiber material via an adhesive 3. In this case, in consideration of environmental problems, the adhesive 3 is made of starch. Also, the backing paper 4 should avoid synthetic paper. The adhesive 3 is not limited to a starch-based adhesive, and may be, for example, a natural resin or a biodegradable resin.

Next, on the other surface (surface) of the base fabric 2, there is formed a coating layer 5 having a function of preventing water from being generated and absorbing and removing harmful substances by water resistance. It is formed by applying a coating agent 6 formed by stirring and mixing a shell powder, a biodegradable water-dispersed thermosetting water-resistant resin and a pigment, and then drying the base fabric 2 at a temperature of 140 ° C. for a predetermined time. You. And what was formed in this way should just be made to wind up.

The coating layer 5 is made of powdered scallops of about 1000
Baked scallop shell powder 7 baked at a temperature, a biodegradable water-dispersed thermosetting water-resistant resin (trade name Randy CP100S) 8 manufactured by Miyoshi Oil & Fat Co., Ltd., and a commercially available pigment 9 are mixed by stirring. It is formed by applying a coating material 6.
In addition, what is necessary is just to apply by knife drawing, spraying, etc. as a coating method.

According to the wallpaper or decorative paper 1 as described above,
Because it is made of natural materials that return to nature in consideration of environmental issues, sufficient consideration is given to disposal and there is no concern about environmental destruction.

The baked scallop shell powder 7 forming the coating layer 5 provided on the other surface (surface) of the base cloth 2 has a function of adsorbing and decomposing formaldehyde and VOC (volatile organic compound). And VOC
Sick house syndrome (chemical sensitivity) caused by can be prevented.

Further, since the biodegradable water-dispersed thermosetting water-resistant resin 8 has a function of preventing water from being generated and preventing the generation of static electricity, it makes it possible to wipe off dirt and to prevent the adhesion of floating dust due to static electricity. Can be prevented.

Next, a method of manufacturing the wallpaper or decorative paper 1 according to the present invention will be described with reference to FIGS.

First, in a first step, a backing paper 4 is adhered to one surface (back surface) of a base fabric 2 made of a natural material such as cotton or hemp via an adhesive 3. In this case, it is optimal that the adhesion of the adhesive 3 and the attachment of the backing paper 4 are automatically and mechanically performed depending on the shape of the base cloth 2. However, it may be performed manually. The adhesive 3 is preferably a starch-based adhesive that is commercially available, and the backing paper 4 is preferably a natural paper rather than a synthetic paper.

Next, in the second step, the baked scallop shell powder 7, the biodegradable water-dispersed thermosetting water-resistant resin 8 and the pigment 9 are charged into a container 12 of a stirrer 11 as shown in FIG. Then, the coating material 6 is formed by mixing and stirring with the blades 13 arranged in the container 12. The baked scallop shell powder 7 is obtained by firing powdered scallop shell at about 1000 ° C., and the biodegradable water-dispersed thermosetting water-resistant resin 8 and the pigment 9 are the same as those described above. Use those. By the way, the blade 13 is fixed to the tip of the output shaft 16 of the motor 15 arranged on the upper part of the container 12.

In the third step, the backing paper 4 is adhered to the ten thousand surfaces via the adhesive 3 in the first step, and is formed in the second step on the other surface (front surface) of the base fabric 2. Paint 6
Is applied to form a coating layer 5 as shown in FIG. In this case, the application of the coating agent 6 is preferably performed automatically and mechanically, but may be performed manually as needed.

Next, in a fourth step, the backing paper 2 having the backing paper 4 adhered to one side and the coating layer 5 formed on the other side is placed in the dryer 18 shown in FIG. It is passed and dried at a predetermined temperature by a heat source 19 comprising a heater inside. By this method, wallpaper or decorative paper 1 can be manufactured. The heat source 19 is not limited to this, and may be, for example, far infrared rays, electromagnetic waves, warm air, or the like, and the temperature is preferably about 140 degrees.

According to the method for producing wallpaper or decorative paper as described above, since it can be produced by a simple process, mass production becomes possible and an inexpensive product can be obtained.

[0021]

According to the first aspect of the present invention, the wallpaper or the decorative paper is made of a backing paper made of a natural material such as cotton or hemp or a biodegradable fiber material on one side of the backing paper through an adhesive. To form a coating layer having the function of preventing water from being generated and preventing static electricity from being absorbed and removing harmful substances on the other surface of the base fabric, and drying the base fabric. Also, due consideration is given to disposal, and there is no concern about environmental destruction.

According to the second aspect of the present invention, the wallpaper or decorative paper has a coating layer formed by stirring and mixing a baked scallop shell powder, a biodegradable water-dispersed thermosetting water-resistant resin, and a pigment. The baked scallop shell powder 7 having the composition of the coating agent is formed by applying formaldehyde or VO.
Since it has a function of adsorbing and removing C (volatile organic compound), it is possible to prevent sick house syndrome (chemical substance sensitivity) caused by the formaldehyde and VOC.

Next, since the biodegradable water-dispersed thermosetting water-resistant resin has a water resistance and a function of preventing the generation of static electricity, it enables the wiping of dirt and the adhesion of floating dust due to static electricity. Can be prevented.

As described above, since the wallpaper or the decorative paper is formed only of a material that can be decomposed by microorganisms, there is no problem in terms of disposal, and there is no concern about the generation of harmful gases such as dioxin even when incinerated. be able to.

Further, according to the third aspect of the present invention, a backing paper is adhered to one surface of a base fabric made of a natural material such as cotton or hemp or a biodegradable fiber material via an adhesive. And a second step of forming a coating agent by stirring and mixing the baked scallop shell powder, the biodegradable water-dispersed thermosetting water-resistant resin and the pigment, and the backing paper is adhered to one surface. A third step of applying the coating agent formed in the second step to the other surface of the base fabric to form a coating layer, and a backing paper being attached to one surface and the other A wallpaper or decorative paper can be manufactured by a simple method comprising drying the base fabric having the coating layer formed on the surface thereof at a predetermined temperature, thereby enabling mass production. Inexpensive products can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wallpaper or decorative paper according to the present invention and a wallpaper or decorative paper manufactured by the method of manufacturing the wallpaper or decorative paper in a partially broken state.

FIG. 2 is an explanatory view showing a process of preparing a coating agent for forming a coating layer on a base cloth.

FIG. 3 is an explanatory view showing a state in which a coating layer formed by applying a coating agent to a base fabric is dried.

[Explanation of symbols]

 1 Wallpaper or decorative paper 2 Base cloth 3 Adhesive 4 Backing paper 5 Coating layer

Claims (3)

[Claims] 1. A backing paper is adhered to one surface of a base fabric made of a natural material such as cotton or hemp or a biodegradable fiber material via an adhesive, and the other surface of the base fabric is A wallpaper or decorative paper formed by forming a coating layer having a function of preventing static electricity generation and removing harmful substances by absorbing water, and drying the base fabric. 2. The wallpaper according to claim 1, wherein the coating layer is formed by applying a coating agent obtained by stirring and mixing a baked scallop shell powder, a biodegradable water-dispersed thermosetting water-resistant resin, and a pigment. Or decorative paper. 3. A first step of attaching a backing paper to one surface of a base fabric made of a natural material such as cotton or hemp, a biodegradable fiber material, or the like via an adhesive, and baked scallop shell powder. A second step of forming a coating agent by stirring and mixing a biodegradable water-dispersed thermosetting water-resistant resin and a pigment, and on the other surface of the base fabric with a backing paper attached to one surface. A third step of forming a coating layer by applying the coating agent formed in the second step, and a backing paper is attached to one surface, and the coating layer is formed on the other surface. And a fourth step of drying the base fabric at a predetermined temperature.