GB2201613A - Wallcovering and their production - Google Patents
Wallcovering and their production Download PDFInfo
- Publication number
- GB2201613A GB2201613A GB08805242A GB8805242A GB2201613A GB 2201613 A GB2201613 A GB 2201613A GB 08805242 A GB08805242 A GB 08805242A GB 8805242 A GB8805242 A GB 8805242A GB 2201613 A GB2201613 A GB 2201613A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- wallcovering
- resin
- substantially free
- wallcovering according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 13
- 150000002367 halogens Chemical class 0.000 claims abstract description 13
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000005034 decoration Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 150000004684 trihydrates Chemical class 0.000 claims description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 150000001491 aromatic compounds Chemical class 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims 1
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 8
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004922 lacquer Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- 229920002554 vinyl polymer Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 229920005822 acrylic binder Polymers 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- FJOPOOBDMDAVIW-UHFFFAOYSA-N ethenyl acetate;hydrate Chemical compound O.CC(=O)OC=C FJOPOOBDMDAVIW-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- ORGHESHFQPYLAO-UHFFFAOYSA-N vinyl radical Chemical group C=[CH] ORGHESHFQPYLAO-UHFFFAOYSA-N 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/34—Ignifugeants
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
Abstract
A wallcovering comprises a coated substrate wherein the coating is substantially free of halogen, has a dry weight of at least 20g/m<2> and comprises a fire retardant that is substantially free of halogen (often aluminium trihydrate) and a film-forming resin that is substantially free of halogen (often an acrylic or vinyl acetate resin).
Description
Wallcoverings and their Production
Traditional wallcoverings are made by applying print or other decoration to paper or other suitable substrate.
If the wallcovering is to be washable a thin lacquer coating is applied over the decorated surface. The lacquer may be based on, for instance, acrylic resin or vinyl resin and the coating may have a dry weight of up to, generally, 5 g/m2.
With any particular paper substrate the print quality and the strength can be improved by applying a thin acrylic coating over the substrate, beneath the print. The dry weight of coating is usually below 5 g/m2.
Where particularly good print or other decorative effects are required and where high or physical strength is required the products known as vinyl wallcoverings are produced. These consist of a substrate carrying a heavy polyvinyl chloride coating on which appropriate decoration is applied, optionally covered by a lacquer.
If the substrate is of paper and the coating weight of the polyvinyl chloride composition is, for instance, about 80 g/m2 the product is suitable for domestic use.
If the substrate is stronger, for instance being a non-woven or other fabric, and the polyvinyl chloride composition weight is heavier, for instance 200 to 1,000 g/m2, the product is suitable for contract use.
The vInyl composition making up this coating of, for instance, 200 to 1,000 g/m2 is formed of polyvinyl chloride, plasticiser, filler, pigment and conventional additives. The plasticiser is usually a phthalate and so the composition contains a large amount of chlorine (from the polymer) and aromatic compounds (from the plasticiser). Its content, especially its chlorine content, renders the composition very slow to ignite but if and when combustion does start the polyvinyl chloride composition rapidly causes smoke that is dense (due particularly to the aromatic content) and that is irritant, corrosive and toxic (due partly to the chlorine that forms hydrogen chloride upon combustion).
It would therefore be desirable to reduce the risk of the wallcovering generating such smoke - without adversely affecting the flame retardancy.
It might be thought that this could be achieved by including additional fire retardant so as to reduce still further the risk of the wallcovering igniting.
Unfortunately the great majority of fire retardants that can be included in the compositions are materials that will contribute to dense smoke formation if the wallcovering becomes ignited and so could make the situation even worse in a serious fire. Examples are, for instance, phosphate fire retardants and fire retardants based on antimony and halogen.
According to the invention a decorative wallcovering is substantially free of halogen and comprises a coated substrate in which the coating is formed of a composition that is substantially free of halogen, has a dry weight of at least 20 g/m2 and comprises a fire retardant that is substantially free of halogen and a film-forming resin that is substantially free of halogen. There may be decoration printed -on the coating and there may be a lacquer coat over any such printing.
Thus in the ina-e..70n iion the co.iventional polyvinyl chloride coating is replaced by a coating of halogen-free film-forming resin and halogen-free fire retardant.
Since the resin is not a vinyl chloride resin the coating does not have to contain a plasticiser for vinyl resin and so it is also possible for the coating composition, and for the entire wallcovering, to be substantially free of aromatic compounds as well as being substantially free of halogen.
The resin may be selected from any halogen-free, and preferably aromatic-free resins that are film-forming and that can provide a coating that will serve as a base for printed or other decoration. The resin should not introduce components that, upon ignition, give toxic fumes. Acrylic resins and vinyl acetate resins, particularly copolymerised with ethylene or acrylics, can be used. Preferred resins are ethylene/vinyl acetate, vinyl acetate/butyl acrylate, and ethyl acrylate/butyl acrylate. The resin may include cross linking groups in order that the resin cross links upon drying, optionally with heating. Typical ethylene/vinyl acetate copolymers have an ethylene content of less than 20to, often 5 to 10%.
The film-forming temperature of the resin is preferably below 1500 C, and most preferably below 1000 C, since this permits the use of fire retardants that are unstable at higher temperatures. In particular it permits the use of fire retardants which have not previously been usable in polyvinyl chloride wallcoverings because of their instability at the high processing temperatures (about 1800C or higher) typically encountered during the production of vinyl wallcoverings.
The preferred fire retardants for use in the invention are inorganic hydrates, most preferably alumina trihydrate.
Preferred coatings according to the invention comprise 1 part by weight dry film-forming resin and 0.25 to 2 parts, preferably about 1 part, by weight alumina trihydrate or other fire retardant. The coating may contain additional filler such as mineral clay and/or calcium carbonate. Suitable amounts of such filler are 0.25 to 2 parts. Ail parts are per part dry resin.
Other components that may be present in the coating include pigments, cross linking agents, viscosity modifiers and surface active agents.
The substrate can be a paper, inorganic tissue, mineral base, non-woven or woven substrate. If the coating weight is relatively low, for instance 20 to 100 g/m2 the product is suitable for domestic use and the substrate can be paper. The coating weight is usually at least 30 or 40 g/m2. For contract use the substrate can be paper but is preferably a woven or non-woven substrate and the resin coating weight is then preferably above 50, most preferably above 100 g/m2. It may be up to, for instance, 300 g/m2 or higher. The fibres from which the woven or non-woven substrate is formed may be any of the conventional fabric-forming fibres such as rayon, nylon, cotton, polyester, glass and blends thereof.
The coating is preferably formed by applying an aqueous composition comprising a latex oS the resin together with the other coating components. The composition may be applied to the substrate by any suitable method of coating for instance by screen printing, reverse roll, or knife over roller, knife over jacket or spraying.
If the coating is to be foamed the composition may be mechanically foamed before application or by the inclusion of a foaming agent that will produce a foam during dryina or cross b linking, for example an encapsulated volatile compound such as pentane or hexane.
The coating may be applied in one or more applications.
If the coating includes a foamed layer it may be preferable to apply this and then to apply non-foamed composition over the foamed layer.
After drying the coating may be heated to a higher temperature, for instance 110 to 1600 C, for a short while for instance 2 to 5 minutes. This heating will cause cross linking, if the composition is cross linkable.
This heating is often also desirable for softening the coating in order that it can be smoothed by calendering, so as to provide a better surface for printing. The temperature must not be such as to adversely affect the performance of the product.
The dry coating, optionally after cross linking and/or smoothing, may then be printed with appropriate decoration. Printing is preferably by gravure or screen but can be by flexographic or jet printing or other suitable method. The inks used for printing may be solvent based or water based inks and normally include an acrylic binder.
After drying and/or curing, an overall coating of a lacquer, water based or solvent-based, may be applied using a gravure lacquer cylinder or other suitable lacquer applicator. The coated product is then treated to dry and/or cure the lacquer and print. If the product is to be embossed this may be effected while the product is either hot or cold. Naturally the lacquer should preferably be free of haolgen or aromatic materials.
The smoke production properties of wallcoverings can be measured by ASTM E662 test (specific optical density of smoke generated by solid materials). The actual value will depend on coating weight and, at equivalent weights, the wallcoverings of the invention can give values (both in the flaming mode and non-flaming mode) that are less than 3/4, and often less than 1/2, the values obtained with vinyl wallcoverings.
The following are examples of the invention.
Example 1
A wet laid non-woven substrate (70 g/m2 polyester/rayon blend) was coated with an acrylic water based coating applied by knife over roller. The acrylic coating had a solids content of 50% and contained 1 part alumina trihydrate per 1 part dry weight of resin.
The coating was applied in two coats, a first coat of 70 g/m2 dry weight and a second coat of 130 g/m2 dry weight. Each coat was dried using an oven temperature of 1000 C. After drying the second coat the coated base was heated for 3 minutes at 1500C and faced up to give a smooth surface.
The material was then gravure printed with solvent based inks containing an acrylic binder. The printed material was lacquered with a solvent based lacquer containing an acrylic binder using a gravure lacquer roller.
Finally a texture was applied to the surface by embossing, using a matrix embossing roller.
Example 2
A woven cloth substrate (50:50 Polyester/Cotton blend - 87 g/m2) was sealed by coating with a foamed acrylic water based coating by knife over roller. The coating had a solids content of 50%, contained 1 part alumina trihydrate, per 1 part dry resin and was mechanically foamed to give a density of 0.3 gms/cc.
The foam coating was applied in one coat to give a dry weight of 70 gsm. A further unfoamed coating was applied, again by knife over roller, at a dry weight of 130 g/m2. Each coat was dried using an oven temperature of 1000C. After drying the material was heated for 3 minutes at 1500C and faced up to give a smooth surface.
The coated material was then printed, lacquered and embossed as described in Example 1 above.
Example 3
A paper substrate (120 g/m2) was treated exactly the same as Example 2 above.
Example 4
A woven cotton substrate (170 g/m2) was sealed with a foamed water based coating as in Example 2. Two further coatings of unfoamed acrylic were applied by knife over roller. Each coating was applied to give a dry weight of 200 g/m2, and dried at a temperature of 1000 C. After the final coating, the material was heated for 3 minutes at 1500C and faced up to give a smooth surface.
The coated material was then printed, lacquered and embossed as described in Example 1 above.
Example 5
The non-woven base of Example 1 was coated with an ethylene/vinyl acetate water based coating applied by knife over roller. The coating had a solids content of approximately 46% solids and contained 1 part alumina hydrate per 1 part dry resin.
The coating was applied in two coats each of 150 gsm dry weight. Each coat was dried at a temperature of 1000C. After drying the second coat the coated base was heated for 3 minutes at 1500C and faced up to give a smooth surface.
The product was then printed, lacquered and finished as described in Example 1.
Example 6
A mineral fibre base (150gsm) was coated with an acrylic water-based coating applied by a reverse roll coater. The acrylic coating had a solids content of 67t and contained 1 part of alumina hydrate per 1 part dry resin. The coating was applied in one coat at 150gsm dry weight and was dried at 100do. This was then heated to 1500C for one minute before being printed, lacquered and embossed as described in Example 1 above.
Claims (15)
1. A decorative wallcovering that is substantially free of halogen and that comprises a coated substrate in which the coating is formed of a composition that is substantially free of halogen, has a dry weight of at least 20g/m2 and comprises a fire retardant is that is substantially free of halogen and a film-forming resin that is substantially free of halogen.
2. A wallcovering according to claim 1 in which the resin of the composition is selected from acrylic resins and vinyl acetate resins.
3. A wallcovering according to claim 1 in which the resin is selected from ethylene vinyl acetate, vinyl acetate/butyl acrylate, and ethyl acrylate/butyl acrylate resins.
4. A wallcovering according to any preceding claim in which the resin is applied from a latex having a film-forming temperature below 1500C.
5. A wallcovering according to claim 4 in which the film-forming temperature is below 1000C.
6. A wallcovering according to any preceding claim in which the fire retardant comprises an inorganic hydrate.
7. A wallcovering according to any preceding claim in which the fire retardant comprises alumina trihydrate.
8. A wallcovering according to any preceding claim in which the coating comprises 1 part dry weight film-forming resin, 0.25 to 2 parts retardant and 0.25 to 2 parts filler.
9. A wallcovering according to any preceding claim substantially free of aromatic compounds.
10. A wallcovering according to any preceding claim in which the weight of the coating is 20 to 300g/m2.
11. A wallcovering according to any preceding claim in which the weight of the coating is 100 to 300g/m2.
12. A wallcovering according to any preceding claim in which there is decoration printed on the coating.
13. A wallcovering according to any preceding claim in which the coating comprises a foamed layer.
14. A method of making a wallcovering according to any preceding claim comprising applying to the substrate an aqeuous composition comprising a latex of th'e resin, drying the coating and heating the coating at 110 to 1600C.
15. A process according to claim 14 in which the resin is cross linkable and is cross linked during the heating.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB878705154A GB8705154D0 (en) | 1987-03-05 | 1987-03-05 | Wallcoverings |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8805242D0 GB8805242D0 (en) | 1988-04-07 |
| GB2201613A true GB2201613A (en) | 1988-09-07 |
| GB2201613B GB2201613B (en) | 1991-02-27 |
Family
ID=10613364
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB878705154A Pending GB8705154D0 (en) | 1987-03-05 | 1987-03-05 | Wallcoverings |
| GB8805242A Expired - Fee Related GB2201613B (en) | 1987-03-05 | 1988-03-04 | Wallcoverings and their production |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB878705154A Pending GB8705154D0 (en) | 1987-03-05 | 1987-03-05 | Wallcoverings |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB8705154D0 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543793A1 (en) * | 1991-11-18 | 1993-05-26 | Metsä-Serla Oy | Wallpaper |
| FR2723389A1 (en) * | 1994-08-05 | 1996-02-09 | Jujo Paper Co Ltd | WALL COATING BASE |
| US5543207A (en) * | 1994-01-26 | 1996-08-06 | Synthomer Limited | Wall coverings |
| WO2009144379A3 (en) * | 2008-05-27 | 2010-01-21 | Ahlstrom Corporation | A method of manufacturing resinous papers, resinous papers, and their use as resinous preform blanks |
| BE1022307B1 (en) * | 2015-01-09 | 2016-03-15 | Grandeco Wallfashion Group - Belgium Nv | METHOD FOR MAKING WALL DECORATION |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371124A (en) * | 1971-07-22 | 1974-10-23 | Nat Acceptance Co Of Californi | Decorative wall covering |
| GB2050382A (en) * | 1979-05-29 | 1981-01-07 | Ebnoether Ag | Wall covering material |
| US4246311A (en) * | 1979-01-23 | 1981-01-20 | Chelsea Industries, Inc. | Wall covering comprising a web having an impregnation and a back coating |
-
1987
- 1987-03-05 GB GB878705154A patent/GB8705154D0/en active Pending
-
1988
- 1988-03-04 GB GB8805242A patent/GB2201613B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371124A (en) * | 1971-07-22 | 1974-10-23 | Nat Acceptance Co Of Californi | Decorative wall covering |
| US4246311A (en) * | 1979-01-23 | 1981-01-20 | Chelsea Industries, Inc. | Wall covering comprising a web having an impregnation and a back coating |
| GB2050382A (en) * | 1979-05-29 | 1981-01-07 | Ebnoether Ag | Wall covering material |
Non-Patent Citations (1)
| Title |
|---|
| WO A1 86/02675 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543793A1 (en) * | 1991-11-18 | 1993-05-26 | Metsä-Serla Oy | Wallpaper |
| US5302404A (en) * | 1991-11-18 | 1994-04-12 | Oy Kyro Board & Paper Ltd. | Wallpaper |
| JP3210103B2 (en) | 1991-11-18 | 2001-09-17 | オイ キロ ボード アンド ペーパー リミテッド | Wall paper |
| US5543207A (en) * | 1994-01-26 | 1996-08-06 | Synthomer Limited | Wall coverings |
| FR2723389A1 (en) * | 1994-08-05 | 1996-02-09 | Jujo Paper Co Ltd | WALL COATING BASE |
| WO2009144379A3 (en) * | 2008-05-27 | 2010-01-21 | Ahlstrom Corporation | A method of manufacturing resinous papers, resinous papers, and their use as resinous preform blanks |
| BE1022307B1 (en) * | 2015-01-09 | 2016-03-15 | Grandeco Wallfashion Group - Belgium Nv | METHOD FOR MAKING WALL DECORATION |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2201613B (en) | 1991-02-27 |
| GB8705154D0 (en) | 1987-04-08 |
| GB8805242D0 (en) | 1988-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020304 |