WO2014129937A1

WO2014129937A1 - Moisture-resistant wallpaper (variants)

Info

Publication number: WO2014129937A1
Application number: PCT/RU2014/000111
Authority: WO
Inventors: Вадим Геннадиевич САВКО
Original assignee: Savko Vadim Gennadievich
Priority date: 2013-02-21
Filing date: 2014-02-20
Publication date: 2014-08-28

Abstract

The invention relates to the cellulose paper industry, in particular to the manufacture of wallpaper and can be used in the manufacture of moisture-resistant wallpaper which is resistant to abrasion. The technical result of the claimed invention both according to the first variant and according to the second variant consists in reducing the tendency of wallpaper to curl on wetting, in reducing the cost of the method for the manufacture of the wallpaper and in increasing Wet Abrasion resistance according to Class C3. This technical result according to the first variant is achieved in that, in the known light-resistant wallpaper, an individually formed polymeric film with a thickness of no greater than 80 µm is attached to a substrate comprising natural fibres as a protective coating thereon, wherein the ratio of the thickness of the protective film to the thickness of the substrate is equal to 0.10‑0.25. The technical result according to the second variant of the invention is achieved in that in the known moisture-resistant and light-resistant wallpaper in the form of a substrate coated with a layer comprising a polymer, a pattern is formed on a synthetic substrate, and an individually formed polymeric film with a thickness of no greater than 110 µm is attached as polymeric coating to the substrate, wherein the ratio of the thickness of the protective film to the thickness of the substrate is equal to 0.6‑0.9.

Description

Moisture resistant wallpaper (options)

FIELD OF THE INVENTION

The invention relates to the pulp and paper industry, in particular to the manufacture of failures, and can be used in the manufacture of moisture-resistant wallpaper, resistant to abrasion.

State of the art

Currently, the most popular moisture-proof wallpaper is embossed wallpaper obtained using foam:

- Wallpaper with foamed vinyl coating;

- vinyl foamed wallpaper;

- acrylic foam wallpaper with foam acrylic coatings.

In the patent DE 262 051 B2, publ. 12/07/1978 described wallpaper, which is a base paper coated with foam with the addition of polyvinyl chloride.

Vinyl moisture-proof wallpapers consisting of a base paper coated with acrylic foam containing polyurethane are known from the invention patent RU N ° 2338024. From the patent for the invention RU N ° 2335589 known wallpaper based on the fibrous layer, on which is applied a layer of foam containing polymer polyvinyl acetate. Wallpaper is made by applying acrylic foam to the fibrous base, then pre-drying the applied layer at a temperature of 80-120 ° C and foaming the foam layer by drying at a temperature of 120-160 ° C. Before applying acrylic foam to the fibrous substrate, a printed pattern is applied, and before foaming, a 25-30% aqueous composition is applied to the foam layer containing a binder based on a polyvinyl acetate copolymer and decorative material with a ratio of 1: 1 to 1, respectively. : 0.2 in the amount of 8-10% by weight of the foam.

From the invention patent RU N ° 2315144, wallpapers are known made of a nonwoven material, mainly non-woven, with a foam coating applied on it based on a water-polymer acrylic dispersion. The ink contains a polymer based on alkyl methacrylate or butyl acrylate or styrene. Thus, the above-mentioned known wallpapers are coated with a protective polymer layer “embedded in the foam”. The presence of a paint layer increases the curl of the wallpaper during installation due to differences in the “wetness” of both layers. In addition, since the polymer coating is “embedded” in the foam, its protective properties against moisture, light and abrasion are insufficient.

The disadvantages of these wallpapers are high cost, insufficient light fastness and low rates of resistance to wet abrasion, high cost. In addition, due to the significant difference between the two layers in their ability to absorb moisture during wetting, in preparation for gluing, the wallpaper sheet is twisted into a tube due to a change in linear values. At the same time, it is quite difficult to straighten the curled sheet on the wall - since even strong adhesives do not always provide the degree of adhesion necessary for straightening on the wall.

The technical solution according to the patent RU N ° 2338024 was chosen as a prototype according to the 1st and 2nd warrants of the invention.

Disclosure of the invention

The technical result of the claimed invention as in version 1, version 2, is to reduce the curl of the wallpaper when wet, to reduce the cost of its manufacturing method and to increase resistance to wet abrasion according to the SZ class.

This technical result according to the first embodiment of the invention is achieved by the fact that in the known light-resistant wallpapers made in the form of a substrate coated with a layer containing a polymer, the pattern is made on a substrate containing natural fibers, and as a protective coating on the substrate, a separately made a polymer film whose thickness does not exceed 80 μm, while the ratio of the thickness of the protective film to the thickness of the substrate is 0.1-1.25.

Preferably, on a moisture resistant wallpaper with a pattern on a substrate of natural fiber, a polypropylene film is fixed on the substrate as a polymer film. Preferably, on a moisture resistant wallpaper with a pattern on a substrate of natural fiber, a polyethylene film is fixed on the substrate as a polymer film.

This technical result according to the second embodiment of the invention is achieved by the fact that in known moisture and lightfast wallpaper made in the form of a substrate coated with a layer containing a polymer, the pattern is made on a synthetic substrate, and a separately made polymer film is fixed on the substrate as a polymer coating, thickness which does not exceed P O μm, while the ratio of the thickness of the protective film to the thickness of the substrate is 0.6-0.9.

Preferably, on a moisture resistant wallpaper with a pattern on a synthetic substrate, a film of monomeric PVC is fixed as a polymer film on the substrate to ensure maximum uniformity of the layers.

Preferably, on a moisture resistant wallpaper with a pattern on a synthetic substrate, a polyethylene film is fixed on the substrate as a polymer film.

Preferably, on a moisture resistant wallpaper with a pattern on a synthetic substrate, a polypropylene film is fixed on the substrate as a polymer film.

Preferably, on moisture resistant wallpaper with a pattern on a synthetic substrate, the substrate is made of a polyvinyl chloride film or fiberglass.

List of drawings

The invention is illustrated in Fig 1, which depicts moisture-resistant wallpaper.

The number 1 shows the substrate, and the number 2 is the layer containing the polymer, i.e. polymer protective film (polymer coating).

DETAILED DESCRIPTION OF THE INVENTION

The inventive moisture-resistant wallpaper is made as follows. On the basis of 1, made of natural fibers (for example, from paper, interlining, textiles, etc.) or from polymer, printed rice is applied. knock offset or silk-screened or digital or inkjet or otherwise, corresponding to the method of dyes. Then the canvas is dried for the time necessary for the dye to completely dry. After that, a protective coating 2 is applied to the surface.

To do this, use a finished film made of polyethylene or polypropylene or polyethylene terephthalate or another similar polymer film with a thickness not exceeding PO microns, which is applied to the dried base canvas with a printed pattern and fixed. The protective polymer film and the backing are selected so thick that for the backing with natural fibers (non-woven, paper, textile, etc.) their ratio is 0, 10–0, 25. and for synthetic backing (PVC, fiberglass and other) this ratio is 0, 6 - 1.

. Fixation can be carried out by all known methods. For example, by thermal pressing using a Seal industrial plant.

If the fixation is carried out using glue, then a transparent polymer adhesive is applied to the base, for example, Multifoil acrylate adhesive F026 or SMAC 5501, after which the polymer film is mounted, for example, using a Buble-FREE machine.

It is also possible to use specialized ready-made polymer protective films, for example Ultra Bond, which have a layer of ethylene-vinyl acetate adhesive as an adhesive base. Fixation in this case can be done using the machine YDFM-1200 Wnt Company or RSH-1650 Royal Sovereign.

When using protective monomeric PVC films with an adhesive layer based on a polyacrylate dispersion, GMP equipment can be used for fixing.

The obtained 2-layer wallpapers have good water-repellent properties and correspond to abrasion according to the SZ class. They are easily twisted into a roll, and during installation give minimal twisting into a “tube”. Example 1

In the above-described way, wallpaper is made, the basis of which is a paper web with a density of 150 g / m2 and a thickness of 180 microns. As a polymer film, a polypropylene film 32 μm thick was selected

Thermal fixation of the protective coating.

The ratio of the film thickness to the thickness of the base is 0, 1. The resulting wallpaper, when glued to the wall, is minimally twisted.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 7 points. Wallpaper has a high level of moisture resistance - 140 and more humid abrasions with the presence of detergent according to the method of GOST 6810-2002.

Example 2

In the above-described way, wallpaper is made, the basis of which is a cellulose (non-woven) fabric with a density of 125 g / m2 and a thickness of 250 μm. As a polymer film, a polypropylene film with a thickness of Zbmkm was chosen.

The adhesive coating of the protective coating was carried out:

the ratio of film thickness to base thickness is 0, 14.

When glued to the wall, the resulting wallpaper is twisted minimally.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 7 points. Wallpaper has a high level of moisture resistance - 150 or more wet abrasions with the presence of detergent according to the method of GOST 6810-2002. Example 3

In the above-described manner, wallpaper is made, the basis of which is a paper web with a density of 250 g / m2 and a thickness of 128 microns. A 32 micron thick polypropylene film was selected as the polymer film. The film was glued to the base.

When glued to the wall, the resulting wallpaper is twisted minimally.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 6 points. Wallpaper has a high level of moisture resistance - 160 and more wet abrasions with the presence of detergent according to the method of GOST 6810-2002.

The ratio of film thickness to base thickness is 0.25. Example 4

In the above-described way, wallpaper is made, the basis of which is a paper web with a density of 200 g / m2 and a thickness of 210 microns. As a polymer film, a polypropylene film 36 μm thick was selected

The film was fixed to the base.

When glued to the wall, the resulting wallpaper is twisted minimally.

The ratio of film thickness to base thickness is 0, 17.

Example 5

In the above-described way, according to option 2, wallpaper is made, the basis of which is a PVC canvas with a density of 12 g / m2 and a thickness of 122 microns. As a polymer film, a polymeric PVC film with a thickness of 1 1 Ohm was chosen.

The resulting wallpaper does not curl when glued.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 7 points. Wallpaper has a high level of moisture resistance - 200 or more wet abrasions with the presence of detergent according to the method of GOST 6810-2002.

The ratio of film thickness to base thickness is 0.9.

Example 6

In the above-described way, option 2 is made wallpaper, the basis of which is a PVC canvas with a density of 120 g / m2 and a thickness of 10 microns. As a polymer film, a calendared monomeric PVC film with a thickness of 100 μm was selected.

The resulting wallpaper when glued to the wall does not curl.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 6 points. Wallpaper has a high level of moisture resistance - 160 or more wet abrasions with the presence of detergent according to the method of GOST 681 0-2002. The ratio of the film thickness to the thickness of the base is 0.9

Example 7

In the above-described way, option 2 made wallpaper, the basis of which is a PVC canvas with a density of 1 10 g / m2 and a thickness of 80 μm. As a polymer film, a polymeric PVC film with a thickness of 80 μm was selected.

The resulting wallpaper when glued to the wall does not curl.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 6 points. Wallpaper has a high level of moisture resistance - 160 or more wet abrasions with the presence of detergent according to the method of GOST 6810-2002. The ratio of the film thickness to the thickness of the base is 1 Example 8

In the above-described way, option 2 made wallpaper, the basis of which is fiberglass with a density of 250 g / m2 and a thickness of 160 microns. As a polymer film, a film with a thickness of 100 μm was selected.

The resulting wallpaper when glued to the wall does not curl.

The ratio of film thickness to base thickness is 0.6.

Example 9

In the above-described way, option 2 made wallpaper, the basis of which is a PVC canvas with a density of 13 g / m2 and a thickness of 100 microns. As a polymer film, a polypropylene film 60 μm thick was selected.

The resulting wallpaper when glued to the wall does not curl.

They have good water-repellent properties and are resistant to abrasion. The color fastness of wallpaper to light corresponds to 6 points. Wallpaper has a high level of moisture resistance - 160 or more wet abrasions with the presence of detergent according to the method of GOST 6810-2002. The ratio of the film thickness to the thickness of the base is 0.6. When using substrates and films that go beyond the boundary values specified in the formula, the curl of the wallpaper increased, which made them inconvenient during installation and led to overuse of the material.

Industrial applicability

The present invention is implemented using universal equipment widely used in industry.

Claims

CLAIM

1. Moisture-proof wallpaper made in the form of a substrate of natural fibers, on which the drawing is made, and coated with a layer containing a polymer, characterized in that a separately made polymer film is fixed on the substrate as a polymer coating, while the ratio of the thickness of the protective film to the thickness the substrate is 0, 10 - 0.25.

2. Wallpaper according to claim 1, characterized in that a polyethylene film is fixed on the substrate as a polymer film.

3. Wallpaper according to claim 1, characterized in that a polypropylene film is fixed on the substrate as a polymer film.

4. Moisture-resistant wallpaper made in the form of a substrate based on synthetic materials on which the drawing is made and coated with a layer containing a polymer, characterized in that a separately made polymer film is fixed on the substrate as a polymer coating, the thickness of which does not exceed 1 10 microns, while the ratio of the thickness of the protective film to the thickness of the substrate is 0.6-0.9.

5. Wallpaper according to claim 1 or claim 4, characterized in that a polyethylene film is fixed on the substrate as a protective film.

6. Wallpaper according to claim 1 or claim 4, characterized in that a polypropylene film is fixed on the substrate as a protective film.

7. Wallpaper according to claim 1 or claim 4, characterized in that a polyvinyl chloride film is fixed on the substrate as a protective film.

8. Wallpaper according to claim 1 or claim 4, characterized in that the substrate is made of a polyvinyl chloride film or fiberglass.