KR20050046311A - Water-based foam wallpaper using natural materials - Google Patents

Abstract

The present invention relates to an aqueous foam wallpaper using a natural material and an aqueous foaming agent.

Description

Waterborne foam wallpaper using natural materials {omitted}

The present invention relates to an aqueous foam wallpaper using a natural material and an aqueous foam material.

As a result of developing and producing the wallpaper using the existing natural materials (Special Publication No. 1998-0019564), various problems occur and suggest a new concept of production method.

Existing biodegradable wallpaper is composed of wallpaper paper-adhesive-biodegradable plaster-top coating layer.

In this way, it is impossible to print the difference in comparison with the general wallpaper (not possible due to the roughness of the surface), and the impossibility of the embossing work (natural materials have strong restoring force and there is no component that can be compressed even under pressure) When painting on the back during construction, a large amount of water is transferred to the natural material, so that the water dissolving work can be performed for a long time (usually, the water dissolving time is 4 to 12 hours, but within 30 minutes to 2 hours for wallpaper using natural materials) When the wallpaper is suitable, if the time elapses, the wallpaper is weak due to moisture and tearing occurs, or the glued back contact surfaces adhere to each other and dry on the adhesive surface during water dissolving work. It is a limiting point for the generalization of the state where the wallpaper construction is impossible due to the transfer of water to the grass).

An aqueous foaming agent is added to the synthetic resin to form a compressed layer under pressure during embossing and to form flatness on the surface to improve printability to provide a new type of wallpaper.

When described in detail with reference to the accompanying drawings an embodiment of the present invention.

As shown in Figure 1, the difference between the adhesive when the water-based foaming agent is added to the wallpaper base material and the adhesive of the existing product (biodegradable wallpaper), the adhesive of the existing product is any one of acrylic, PE, EVA-based adhesive 1㎥ Apply about 30-50g of sugar and dry natural materials.

As such, when the general adhesive is used, the above phenomenon occurs when the water is melted by pasting the back of the wallpaper during the construction of the product after the completion of the product.

Such a phenomenon is that general adhesive is not completely formed into film even after it is applied to wallpaper paper and dried, so it is easy to permeate moisture. Also, if film is formed too much, water cannot be melted during construction, which makes it difficult to install wallpaper. Lose. In addition, since there is no pressing layer due to pressure during embossing, there is no embossability.

In the present invention solves this problem by forming a foam layer that can be compressed during proper water passage and embossing work, any one or a mixture of acrylic, EVA, water-based urethane-based adhesive or 20 to 50% by weight, water 5 ~ 10% by weight, 5-10% by weight methanol and alcohol, 2-7% by weight aqueous foaming agent, 0.1-0.5% by weight emulsifier, 20-40% by weight of Ca Co3, 5-10% by weight of talc and mica, TiO2 2 ~ 5% by weight, 2-5% by weight of far-infrared ray emitting material, 0.1-0.1% by weight of ammonia water, 0.1-0.2% by weight of thickener, 0.1-0.5% by weight of dispersant, 0.1-0.5% by weight of antifoaming agent, etc. Apply about 50 ~ 150g (solid content) per 1㎡ by comma-cotta, gravure copper plate and rotary screen method.

At this time, the use of methane and alcohol in the formulation is used to control the penetration rate of the adhesive to the wallpaper base material and to improve the drying speed, and the use of emulsifier to add the aqueous foaming agent during the gelling operation (drying) and during the mixing of liquid It is used to improve the fluidity. It can be used either of nonionic emulsifier, anionic emulsifier, cationic emulsifier or amphoteric emulsifier. Aqueous foaming agent uses aqueous foaming agent filled with GAS such as isobutane, iso, pentane, etc. The use of far-infrared radiation materials is applied to the wallpaper base with comma-cotta, gravure roll, rotary screen, etc., and then the surface of the water-based foam tona is dried first due to the high temperature heat of the drying oven during gelling operation. And the coating surface is swelled ideally, or the foaming nonuniformity of the aqueous foaming agent occurs.

This phenomenon occurs because only the surface is dried first and the moisture inside can not evaporate. In the present invention, in order to solve such a phenomenon by adding far-infrared radiation materials such as elite, jade, banban, ceramic, feldspar, zeolite, germanium to improve the internal drying of the aqueous foamed soil or coating layer by using the radiant heat of the radiation material The uniformity of drying should be given. In addition, the use of ammonia water is used to maintain the pH between 7 and 8 after mixing to prevent shock phenomenon during mixing by adjusting the pH between the raw materials in aqueous foaming soil or blending.

In addition, the antifoaming agent used in the formulation uses a silicone-based and non-silicone-based thickener is Collulose Type-based and acrylic. The dispersant may be any system such as special anion, anion complex, and special nonionic complex.

In this way, after applying a certain amount of water-foamed tona mixed with the above-mentioned mixture to the wallpaper base material, materials such as wood flour, royal chicken powder, green powder, mugwort powder, hay powder, dry water grass powder, mineral charcoal powder, and thermally swelled vermiculite, etc. Separation (Used by dividing into 40 to 60 mesh, 60 to 80 mesh, 80 to 100 mesh, 100 to 120 mesh, etc.) Electrostatic charging method (aka: used as flocking method in fiber), that is, high voltage current (about 60,000 W To generate static electricity, so that natural materials can be adhered to the water-based foam or the upper part by the magnetic of static electricity (50-150g / m2 per 1m2). , After bonding by the squetling method or the like, to the upper part of the aqueous balcona again by applying a comma coat about 50 to 300 g / m 2 (based on solid content), and gelling work (between 150 and 200 ° C.)-printing process-top coating work Thread After the time is embossed. At this time, the reason of recoating aqueous foam tona on top of natural materials is to form smoothness to enable printing work and to improve the embossability during embossing work.

In addition, the top coating is carried out to prevent the fouling resistance of the wallpaper and to protect the print film. The top coating agent is an aqueous wax (using high temperature paraffin, PE, carnava wax, etc.) and an aqueous meramine resin, in an acrylic or urethane resin. One to two or more parts by weight of aqueous epoxy and silicone water-repellents are mixed or added, and 10 to 50 g / m 2 is applied in a solid content mood (solid content basis). (At this time, natural materials can be used singly or in mixture of two kinds.)

In addition, the method shown in FIG. 2 is coated with 100 to 300 g / m 2 (based on solids) of the aqueous foam toner on a wallpaper base material, and then the natural material is adhered to the upper portion thereof. It raises about -4,000 CPS, and is performed in the order of comma kota work-drying-embossing work.

At this time, an aqueous blowing agent may be added to the top coating liquid (2-5% by weight) to impart embossing moldability.

In this case, when the flame retardancy is given to the wallpaper, the flame retardant treated wallpaper is generally used, and the flame retardant is an inorganic flame retardant of aluminum hydroxide.

At this time, the mixing ratio is 20 to 50% by weight, 5 to 10% by weight of water, 5 to 10% by weight of methanol and alcohol, 2 to 5% by weight of TiO2, isobutane under single or mixed acrylic, EVA and aqueous urethane resins. And 2 to 7 wt% of an isopentane based aqueous foaming agent, 1 to 0.5 wt% of an emulsifier, 5 to 10 wt% of talc and soft mica, 2 to 5 wt% of far-infrared radiant such as jade, and 20 to 30 wt% of aluminum hydroxide based flame retardant. %, Ammonia water 0.01 to 0.1% by weight thickener 0.1 to 0.2% by weight, dispersant 0.1 to 0.5% by weight, antifoaming agent 0.1 to 0.5% by weight and the like.

The present invention is to provide an eco-friendly wallpaper that is applied by laminating the aqueous foaming tona and the above natural materials to the wallpaper paper by adding an aqueous foaming agent to the synthetic resin.

1 is a cross-sectional view of the aqueous foam wallpaper of the first embodiment of the present invention using a natural material

2 is a sectional view of the second embodiment;

<Explanation of symbols for main parts of drawing>

1, 1: wallpaper base 2: aqueous foaming adhesive 3: natural material layer

       4: aqueous foaming layer 5: printed layer 6: top coating layer

2, 1: wallpaper base 2: aqueous foaming adhesive 3: natural material layer

       4: Top Coating Layer

Claims (2)

Apply the liquid mixture of the above-mentioned water-based foaming agent and water-soluble synthetic resin to a predetermined thickness in a comma-cota and gravure method on the wallpaper paper of a predetermined width, and then attach natural materials to the upper part by the electrostatic method or the squetling method. After coating the above water-based foamed tona again on top of it, gelling-printing-top coating-embossing and wallpaper coating water-based foaming tona-natural material adhesion-gelling-top coating-embossing Water-based foam wallpaper. The flame-retardant wallpaper base material is coated with an aqueous foamed toner mixed with the flame retardant specified above to a predetermined thickness, and then coated with an aqueous-based foamed toner mixed with a natural flame-retardant-gelling-printing-top coating- Flame-retardant water-based foam wallpaper using natural materials that can be produced in order of embossing work and flame retardant-treated wallpaper papers mixed with flame retardant-natural material adhesion-top coating-embossing work.