WO2011010164A2 - Printable advertising and display supports - Google Patents
Printable advertising and display supports Download PDFInfo
- Publication number
- WO2011010164A2 WO2011010164A2 PCT/GB2010/051220 GB2010051220W WO2011010164A2 WO 2011010164 A2 WO2011010164 A2 WO 2011010164A2 GB 2010051220 W GB2010051220 W GB 2010051220W WO 2011010164 A2 WO2011010164 A2 WO 2011010164A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- advertising
- printable
- display
- material according
- fabric
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 89
- 238000005728 strengthening Methods 0.000 claims abstract description 19
- 239000004753 textile Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 238000007639 printing Methods 0.000 claims abstract description 10
- 238000009264 composting Methods 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000007641 inkjet printing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 240000000491 Corchorus aestuans Species 0.000 claims description 3
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 3
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 230000002087 whitening effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 240000008564 Boehmeria nivea Species 0.000 claims description 2
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 241000219146 Gossypium Species 0.000 claims description 2
- 241000322338 Loeseliastrum Species 0.000 claims description 2
- 244000082204 Phyllostachys viridis Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 244000274883 Urtica dioica Species 0.000 claims description 2
- 235000009108 Urtica dioica Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000004061 bleaching Methods 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229920000126 latex Polymers 0.000 abstract description 9
- 239000004816 latex Substances 0.000 abstract description 7
- 239000012769 display material Substances 0.000 abstract description 5
- 238000006065 biodegradation reaction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007650 screen-printing Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 19
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 239000000976 ink Substances 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 239000002361 compost Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000025 natural resin Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001592 potato starch Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000238370 Sepia Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229920006025 bioresin Polymers 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000000485 pigmenting effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- 239000003440 toxic substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/02—Bills, posters, or the like therefor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F17/00—Flags; Banners; Mountings therefor
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
- D06N2209/128—Non-permeable
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1607—Degradability
- D06N2209/1614—Biodegradable
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1628—Dimensional stability
Definitions
- This invention relates to printable advertising and display supports, for example for use in external advertising signs, billboards, posters and the like, as well as for internal displays, for example in-store advertising banners or posters, point-of-sale displays, and informational signage, particularly temporary signs and placards.
- the present invention seeks to provide advertising and display media which are inherently more eco-friendly and, in particular, which are adapted for biodegradation in a rapid and eco-friendly fashion.
- printable advertising or display support material consisting of a natural fibre-based fabric and a
- the germination rate and plant biomass of the compost produced by composting the material of the invention should be more than 90% of the corresponding parameters obtained using blank compost.
- the strengthening material may take the form of a coating designed to increase the tensile strength and dimensional stability of the textile fabric.
- the natural fibre-based textile fabric is preferably exclusively made of natural fibre, for example jute, hemp, calico, hessian, cotton, bamboo, ramie, nettle or linen. Textile fabrics may be made from all of these materials by a variety of known techniques, though, for the purposes of the invention, the preferred method of manufacture is by weaving.
- the thickness, basis weight, texture and other properties may be varied widely, with thinner, lighter, finer textured materials generally being preferred for back-lit displays, while heavier coarser texture materials may be used to provide a textured surface to the printed display product, or where a degree of opacity is desired.
- Preferred textile fabrics are plain woven organic cotton fabrics of basis weight range
- the preferred method is to apply a layer of natural latex to the textile material, either from one side or both sides. It is often desirable, prior to coating, to make a series of cuts in the fabric selvedge at an angle of 90 degrees to the material edge, usually about 25 mm in length, at distances between 15 cm and 30 cm dependent on material used. Such cutting relieves the selvedge tension to prevent any irregular tensioning during the application of the strengthening material. If this is not done then the material can have mixed tensioning after the application of the strengthening material even when the selvedge is removed which can give rise to problems during the printing of the material. The coarser the material, the less the need for such cuts as the material is more rigid.
- the preferred method of applying such strengthening material is to start by heating the latex and mixing in natural minerals to produce the desired colour and then to roll the latex into rough sheets. These rough latex sheets are then treated in a calendar machine to thin them to the desired thickness under heat and pressure between calendar rollers. Once the correct thickness and weight are achieved, the calendered sheet is pressed together with the natural fibre textile fabric using heat and pressure provided by heated rollers to bond them together. The bonded laminate is coated with potato starch as it comes off the machine to stop sticking, rolled and left to settle for a couple of hours. It is then re-rolled on to curing cores and placed in a heated oven to cure, e.g. for 3 to 5 hours at 115 to 125 0 C. Once cured, the cores are taken out. The material is then re -rolled on to fresh roll cores and during this final rolling process, care is taken to ensure all the potato starch is removed and all loose fibres removed to avoid or minimise problems with ink jet printing, particularly head strike, when the product is printed.
- the strengthening material may be applied as an emulsion or solution.
- strengthening material should be one which bonds well to the fibres of the textile fabric and preferably is one which is absorbed between them to create a substantially more dimensionally stable and stronger sheet material. Also, it should preferably act, in combination with the particular method of application, to pull down any textile fibre projecting from the surface of the untreated textile material, so as to provide a surface finish substantially free of upstanding fibres which could cause problems when the material is printed, for example head strike in inkjet printing processes.
- One advantage of using natural latex as the strengthening material is that it provides dissipation of the heat generated during the print process, allowing the use of high temperature print curing, such as occurs in latex printing systems, and ensuring the material does not reach scorching or combustion temperature.
- Composite sheet materials consisting of a textile sheet and a strengthening or backing as just described tend not to be very white, but an increase in whiteness may be easily achieved if the backing material is itself rendered whiter by bleaching (using natural bleach materials so as not to compromise the compostability of the material) or by the appropriate admixture of whitening material, such as an environmentally friendly white dye or the composite sheet material may be subjected, prior to the application of the printing, to an overall whitening treatment, for example coating with a white reflective layer.
- the support material may be coloured other than white, for example by dyeing or pigmenting, provided that the dyes or pigments used have no adverse environmental effect.
- the material according to the present invention is presented in roll form, for example of standard size and length such as 30 metre rolls, 1200 mm wide. Care should be taken to ensure a clean finish, with the strengthening material covering the entire surface and the selvedges being clean cut from the remainder of the material, for example using a roll slitting machine, without leaving upstanding fibres.
- coatings to enhance or improve printability particularly by pulling down to the surface any protruding fibres
- coatings to improve surface gloss coatings to impart fire-resistance and coatings designed to render the viewed surface water resistant.
- This last is of particular importance in the case of outdoor advertising.
- the materials used for any such further coatings should not adversely affect the compostability of the material.
- Application of such coatings may be by coating or spraying, by hot knife application, or by using a gravure coating technique. In this last case, a liquid coating material is applied under heat to an engraved drum. The material lies in depressed areas on the surface of the drum and may then be deposited on to the receiving material by rolling contact of the material with the drum surface.
- the gravure drum surface may be engraved to different depths to provide different thicknesses of coating e.g. 25 gsm, 50 gsm.
- a preferred coating weight of 50 gsm provides excellent coating coverage in manufacturing materials according to the invention.
- the application of such a coating also reduces the stretchability of the material, which also assists the printing process.
- a particularly preferred class of enhancement coating is bioresin coatings, for example C2410 UK DaniMer Scientific LLC, which can be applied by slot coating at a coating weight of e.g. 50 gsm to provide a coating which provides a high quality print.
- the advertising and display materials described above may be mounted in the desired position on conventional supports for such advertising and displays, for example wooden hoardings or appropriate display stands or frames to which the advertising or display item may be clipped or fixed using biodegradable adhesives or biodegradable adhesive tape materials (which will usually remain adhered to the advertising or display item when it is disposed of, for instance in the case of removable adhesive liners).
- a major advantage of the advertising and display structures in accordance with the present invention is that, at the end of the time for which the advertisement or display is allotted, the composite sheet material which has formed the advertisement or display may be simply removed and easily disposed of without constituting a substantial burden on the environment.
- the entire material is simply and rapidly biodegradable, which
- the preferred method is to compost the material, either at ambient temperature or with added thermal input using a suitable composting plant or installation. Using vermicompost systems, we have found that over 90 percent of the material according to the present invention can be composted within 14 days.
- the present invention may be applied over a wide range of sizes for advertising and display products.
- the degree of strengthening imparted to the natural fibre-based textile material may be adjusted so as to impart sufficient strengthening for the intended service life, but not to over- strengthen the material which would be pointless.
- biodegradable glue (Auro® Natural Resin Universal Adhesive 380).
- Each sheet was cut from a roll of finely woven hessian cloth of thread count 14415 and basis weight 305 gsm bleached to white, on to which natural latex rubberising coating, also bleached to white, had been applied at a coating weight of 250 gsm, using a calendaring process.
- the resulting fabric could be ink jet printed, either on the side bearing the coating or on the fabric side with a high definition logo, legend or advertising message of pictorial, verbal or mixed pictorial and verbal nature, using an HP latex ink jet roll- to-roll printer, and individual display units then cut from the printed roll.
- Natural Resin Universal Adhesive 380 to a rectangular card frame made of recycled cardboard 2 mm thick. Two holes punched in the corners of the frame allowed the placard thereby created to be suspended from a ceiling in a supermarket or like store environment using the customary suspension apparatus.
Abstract
Printable advertising and display support structures are disclosed which consist of a natural fibre textile material strengthened with a strengthening material, preferably a rubber latex, the entire support being compostable. The structure may be printed with a desired advertising or display message, for example by screen printing or digitally controlled inkjet or latex printing. By careful selection of materials, extremely ecologically friendly advertisement and display materials can be produced which are capable of rapid biodegradation by composting without imposing unsatisfactory environmental load.
Description
Description
PRINTABLE ADVERTISING AND DISPLAY SUPPORTS
[1] This invention relates to printable advertising and display supports, for example for use in external advertising signs, billboards, posters and the like, as well as for internal displays, for example in-store advertising banners or posters, point-of-sale displays, and informational signage, particularly temporary signs and placards.
[2] Although 'high tech' advertising structures, such as large-scale electronic screens, back projection arrangements and electronically driven displays, have in recent years secured a certain amount of the advertising and display market, by far the majority of advertising and display consists of some form of 'message' which may be purely pictorial, verbal, or a combination of the two, applied to a paper, textile or plastics- based structure by an appropriate printing method.
[3] Much advertising and display material is ephemeral, and accordingly the advertising industry generates substantial quantities of display material which is needing to be regularly disposed of. Although paper, textile and plastics materials can be recycled in appropriate circumstances, they are rarely designed to be so.
[4] Various plastics-coated or laminated textile materials are known for use when printed as banners or other display sheets. For example US-B-6503977 describes coatings for textiles to produce printable substrates and DE 202006012870U 1 describes a composite material for decorative and advertising purposes. DE 29615909U1 describes PVC-coated fabrics for use as display panels while JP-A- 1025976 describes cloth sign boards. None of these disclosures avoids the use of eco-unfriendly materials, and some of the materials used are almost non-biodegradable, at least not on a useful timescale. Some take years to degrade, even in favourable conditions promoting bio-degradation. Commercially available printable coated fabrics use either polyester- or acrylic-based coatings which, while rendering the cloth printable, are simply non-biodegradable.
[5] The present invention seeks to provide advertising and display media which are inherently more eco-friendly and, in particular, which are adapted for biodegradation in a rapid and eco-friendly fashion.
[6] According generally to the present invention, there is provided printable advertising or display support material consisting of a natural fibre-based fabric and a
strengthening material applied thereto, in the form of a roll and characterised by its printable surface(s) being substantially free of upstanding fibres and outer material being compostable as defined in EN 13432:2000.
[7] The principal requirements for compostability set out in EN 13432:2000 are:
[8] Disintegration :
[9] 90% disintegration must be achieved in an aerobic composting environment within
12 weeks. When compost is screened at the end of the 12 weeks, less than 10% by weight of the original dry weight of the material should remain on a 2 mm screen.
[10] Biodegradabilitv :
[11] In watery medium. At least 90% of the organic material is converted into CO2 within
6 months. (This is normally not an issue for natural materials without chemical modifications on the condition that no organic additives are present in a concentration above 1% and the total content of organic constituents without determined biodegradability is below 5%).
[12] Heavy metal and other toxic or hazardous substances :
[13] The various thresholds for heavy metal etc. contents set out must not be exceeded.
[14] Ecotoxicity :
[15] The germination rate and plant biomass of the compost produced by composting the material of the invention should be more than 90% of the corresponding parameters obtained using blank compost.
[16] The strengthening material may take the form of a coating designed to increase the tensile strength and dimensional stability of the textile fabric.
[17] The natural fibre-based textile fabric is preferably exclusively made of natural fibre, for example jute, hemp, calico, hessian, cotton, bamboo, ramie, nettle or linen. Textile fabrics may be made from all of these materials by a variety of known techniques, though, for the purposes of the invention, the preferred method of manufacture is by weaving. The thickness, basis weight, texture and other properties may be varied widely, with thinner, lighter, finer textured materials generally being preferred for back-lit displays, while heavier coarser texture materials may be used to provide a textured surface to the printed display product, or where a degree of opacity is desired.
[18] Preferred textile fabrics are plain woven organic cotton fabrics of basis weight range
100 to 150 gsm, and jute hessian fabrics of warp and weft thread count 17 x 18 to 12 x
13 basis weight range 250 to 345 gsm.
[19] In terms of the strengthening material, the preferred method is to apply a layer of natural latex to the textile material, either from one side or both sides. It is often desirable, prior to coating, to make a series of cuts in the fabric selvedge at an angle of 90 degrees to the material edge, usually about 25 mm in length, at distances between 15 cm and 30 cm dependent on material used. Such cutting relieves the selvedge tension to prevent any irregular tensioning during the application of the strengthening material. If this is not done then the material can have mixed tensioning after the application of the strengthening material even when the selvedge is removed which can give rise to problems during the printing of the material. The coarser the material, the less the need for such cuts as the material is more rigid. The preferred method of applying such strengthening material is to start by heating the latex and mixing in
natural minerals to produce the desired colour and then to roll the latex into rough sheets. These rough latex sheets are then treated in a calendar machine to thin them to the desired thickness under heat and pressure between calendar rollers. Once the correct thickness and weight are achieved, the calendered sheet is pressed together with the natural fibre textile fabric using heat and pressure provided by heated rollers to bond them together. The bonded laminate is coated with potato starch as it comes off the machine to stop sticking, rolled and left to settle for a couple of hours. It is then re-rolled on to curing cores and placed in a heated oven to cure, e.g. for 3 to 5 hours at 115 to 1250C. Once cured, the cores are taken out. The material is then re -rolled on to fresh roll cores and during this final rolling process, care is taken to ensure all the potato starch is removed and all loose fibres removed to avoid or minimise problems with ink jet printing, particularly head strike, when the product is printed.
[20] The strengthening material may be applied as an emulsion or solution. The
strengthening material should be one which bonds well to the fibres of the textile fabric and preferably is one which is absorbed between them to create a substantially more dimensionally stable and stronger sheet material. Also, it should preferably act, in combination with the particular method of application, to pull down any textile fibre projecting from the surface of the untreated textile material, so as to provide a surface finish substantially free of upstanding fibres which could cause problems when the material is printed, for example head strike in inkjet printing processes. One advantage of using natural latex as the strengthening material is that it provides dissipation of the heat generated during the print process, allowing the use of high temperature print curing, such as occurs in latex printing systems, and ensuring the material does not reach scorching or combustion temperature.
[21] Composite sheet materials consisting of a textile sheet and a strengthening or backing as just described tend not to be very white, but an increase in whiteness may be easily achieved if the backing material is itself rendered whiter by bleaching (using natural bleach materials so as not to compromise the compostability of the material) or by the appropriate admixture of whitening material, such as an environmentally friendly white dye or the composite sheet material may be subjected, prior to the application of the printing, to an overall whitening treatment, for example coating with a white reflective layer. If desired, in certain applications, the support material may be coloured other than white, for example by dyeing or pigmenting, provided that the dyes or pigments used have no adverse environmental effect.
[22] The material according to the present invention is presented in roll form, for example of standard size and length such as 30 metre rolls, 1200 mm wide. Care should be taken to ensure a clean finish, with the strengthening material covering the entire surface and the selvedges being clean cut from the remainder of the material, for
example using a roll slitting machine, without leaving upstanding fibres.
[23] Using the approach of cutting the selvedge previous to the coating step and then
removing the selvedge after coating enables the final material to adopt a constant tension/stretch behaviour during the subsequent printing step when the material of the invention is put to use.
[24] The printing of the advertising message, pictorial display or design on to the
composite sheet material described above may take place by any appropriate method, inkjet printing being preferred. We have found that best results are obtainable with commercially available large format flat bed printer systems such as the Vutek range of UV printers and commercially available roll-to-roll inkjet printers, such as the Hewlett Packard range of latex printers. Provided that they do not adversely affect compostability, UV curable inks are preferred by many printers as they enable rapid print production. Sepia X inks may also be used. In all cases, the inks used are preferably made wholly or predominantly of environmentally friendly materials as this assists the biodegradability of the final advertising or display item. The dissipation of heat provided by the latex- strengthening material enables high temperature printing processes to be used without problems arising.
[25] If desired, other or further protective coatings may be applied, for example coatings to enhance or improve printability (particularly by pulling down to the surface any protruding fibres), coatings to improve surface gloss, coatings to impart fire-resistance and coatings designed to render the viewed surface water resistant. This last is of particular importance in the case of outdoor advertising. Again, the materials used for any such further coatings should not adversely affect the compostability of the material. Application of such coatings may be by coating or spraying, by hot knife application, or by using a gravure coating technique. In this last case, a liquid coating material is applied under heat to an engraved drum. The material lies in depressed areas on the surface of the drum and may then be deposited on to the receiving material by rolling contact of the material with the drum surface. The gravure drum surface may be engraved to different depths to provide different thicknesses of coating e.g. 25 gsm, 50 gsm. A preferred coating weight of 50 gsm provides excellent coating coverage in manufacturing materials according to the invention. The application of such a coating also reduces the stretchability of the material, which also assists the printing process. A particularly preferred class of enhancement coating is bioresin coatings, for example C2410 UK DaniMer Scientific LLC, which can be applied by slot coating at a coating weight of e.g. 50 gsm to provide a coating which provides a high quality print.
[26] The advertising and display materials described above may be mounted in the desired position on conventional supports for such advertising and displays, for example wooden hoardings or appropriate display stands or frames to which the advertising or
display item may be clipped or fixed using biodegradable adhesives or biodegradable adhesive tape materials (which will usually remain adhered to the advertising or display item when it is disposed of, for instance in the case of removable adhesive liners).
[27] A major advantage of the advertising and display structures in accordance with the present invention is that, at the end of the time for which the advertisement or display is allotted, the composite sheet material which has formed the advertisement or display may be simply removed and easily disposed of without constituting a substantial burden on the environment. In particular, in preferred embodiments according to the invention, the entire material is simply and rapidly biodegradable, which
biodegradation process may take place rapidly and in an environmentally friendly fashion to leave little in the way of 'carbon footprint'. The preferred method is to compost the material, either at ambient temperature or with added thermal input using a suitable composting plant or installation. Using vermicompost systems, we have found that over 90 percent of the material according to the present invention can be composted within 14 days.
[28] The present invention may be applied over a wide range of sizes for advertising and display products. Depending upon the nature of the support and the size chosen, the degree of strengthening imparted to the natural fibre-based textile material may be adjusted so as to impart sufficient strengthening for the intended service life, but not to over- strengthen the material which would be pointless.
[29] The following examples will serve to illustrate the invention.
[30] EXAMPLE 1
[31] External Advertising Hoarding
[32] An external advertising hoarding was provided with an advertising message
consisting of a standard number of standard size sheets by adhering each sheet to the hoarding (or to the previous advertisement carried by the hoarding) using a
biodegradable glue (Auro® Natural Resin Universal Adhesive 380).
[33] Each sheet was cut from a roll of finely woven hessian cloth of thread count 14415 and basis weight 305 gsm bleached to white, on to which natural latex rubberising coating, also bleached to white, had been applied at a coating weight of 250 gsm, using a calendaring process.
[34] The individual sheets were then printed with part of the overall advertising design using a UV flatbed digital printer (type Vutek®) which was computer controlled and where the individual 'tiles' of the original computer-generated design were printed on to the respective individual sheets.
[35] At the end of the advertising campaign, the sheets were simply pulled off from the advertising hoarding and composted.
[36] EXAMPLE 2
[37] In- store Suspended Displays
[38] 100% organic cotton plain weave fabric of basis weight 125 gsm were roller coated on one side with a strengthening solution consisting of a natural latex rubber dyed to match the fabric colour, at a coating weight of 245 gsm.
[39] The resulting fabric could be ink jet printed, either on the side bearing the coating or on the fabric side with a high definition logo, legend or advertising message of pictorial, verbal or mixed pictorial and verbal nature, using an HP latex ink jet roll- to-roll printer, and individual display units then cut from the printed roll.
[40] The edges of each sheet were then adhered using a biodegradable adhesive (Auro®
Natural Resin Universal Adhesive 380) to a rectangular card frame made of recycled cardboard 2 mm thick. Two holes punched in the corners of the frame allowed the placard thereby created to be suspended from a ceiling in a supermarket or like store environment using the customary suspension apparatus.
[41] Numerous variations may be made to suit particular circumstances, but, in all cases, the advertising and display material, once it has served its purpose, may be easily and rapidly biodegraded by composting with minimal environmental impact. The present invention embraces not only the material itself, as defined above, but methods for making it and its use in advertising, as set out in the appended claims.
Claims
[1] L A printable advertising or display support material consisting of a natural fibre-based fabric and a strengthening material applied thereto, in the form of a roll and characterised by its printable surface(s) being substantially free of upstanding fibres and the outer material meeting the compostability standard set out in EN 13432:2000.
[2] 2. A support material according to Claim 1 wherein the strengthening material is a layer of rubbery material applied to one or both sides of the fabric.
[3] 3. A support material according to Claim 2 wherein the rubbery material has been applied to the fabric by a hot calendaring process.
[4] 4. A support material according to Claim 2 or 3 wherein the rubbery material includes one or more finely divided mineral substances therein to provide a desired colour.
[5] 5. A support material according to any one of Claims 1 to 4 wherein the natural fibre-based textile fabric is made of one or more of jute, hemp, calico, hessian, cotton, bamboo, ramie, nettle or linen fibre.
[6] 6. A support material according to any one of Claims 1 to 5 wherein the textile fabric has been rendered whiter by bleaching or by the application of whitening material thereto.
[7] 7. A support material according to any one of Claims 1 to 6 and including one or more coatings designed to render the material more fire-resistant, more water resistant, or more printable.
[8] 8. A method of making a roll of printable material according to any one of the preceding Claims which comprises slitting the selvedges of a roll of natural fibre-based fabric, applying a strengthening material thereto in a roller or calendar application process, and removing the slit selvedges to leave a roll of printable material having a printable surface and edges substantially free of upstanding fibres.
[9] 9. An advertising or display process which comprises printing an advertising or display image on to material according to any one of Claims 1 to 7 by means of inkjet printing, exposing the printed material for a desired amount of time in an advertising or display location, removing the printed material therefrom and composting the removed material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0912954A GB2472101A (en) | 2009-07-24 | 2009-07-24 | Advertising and display structures |
GB0912954.5 | 2009-07-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011010164A2 true WO2011010164A2 (en) | 2011-01-27 |
WO2011010164A3 WO2011010164A3 (en) | 2011-03-17 |
Family
ID=41066818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2010/051220 WO2011010164A2 (en) | 2009-07-24 | 2010-07-23 | Printable advertising and display supports |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2472101A (en) |
WO (1) | WO2011010164A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2717246A3 (en) * | 2012-10-05 | 2014-11-05 | Bethke, Jürgen | Advertising banner for events and method of manufacturing and installing of advertising banners |
WO2023079296A1 (en) * | 2021-11-05 | 2023-05-11 | Fujifilm Speciality Ink Systems Limited | Inkjet ink set |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2495539B (en) * | 2011-10-13 | 2013-11-13 | Christine Elizabeth Greaves | Kitchen doorway safety sign warning not to leave cooking unattended. |
DE102017005421B4 (en) * | 2017-06-10 | 2019-02-14 | Sacha Gortchakoff | Biodegradable and / or compostable pennants or flags and apparatus for their vertical mounting on vertical, inclined or horizontal surfaces |
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JPS6425976A (en) | 1987-07-20 | 1989-01-27 | Tokuda Seisakusho | Sputtering device |
DE29615909U1 (en) | 1996-09-12 | 1996-10-24 | F & F Werbe Und Vermarktungsag | Construction board |
US6503977B1 (en) | 1999-03-25 | 2003-01-07 | Kimberly-Clark Worldwide, Inc. | Substrate coatings, methods for treating substrates for ink jet printing, and articles produced therefrom |
DE202006012870U1 (en) | 2006-08-22 | 2006-11-30 | Herold, Monika, Dipl.-Ing. (FH) | Composite material for decorative and advertising purposes, comprises linen fabric material connected with substrate or substrate layer by lamination, and adhesive layer arranged between the linen fabric and the substrate/substrate layer |
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US2823156A (en) * | 1955-05-03 | 1958-02-11 | Columbus Coated Fabrics Corp | Vinyl coated knit fabric |
US4712868A (en) * | 1985-09-23 | 1987-12-15 | Minnesota Mining And Manufacturing Company | Expanded retroreflective sheet material |
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CA2068368A1 (en) * | 1991-05-13 | 1992-11-14 | Masanobu Ajioka | Degradable laminate composition |
JPH10259576A (en) * | 1997-03-21 | 1998-09-29 | Taiho Ind Co Ltd | Cloth-made signboard, cloth for signboard and treatment of cloth |
US6326323B1 (en) * | 1998-02-13 | 2001-12-04 | Komatsu Seiren Co., Ltd. | Fabric for ink-jet recording |
DE29912745U1 (en) * | 1999-07-21 | 2000-02-03 | Konzok Michael | Textile advertising media, in particular banners for aerial advertising |
JP4904644B2 (en) * | 2001-08-03 | 2012-03-28 | 東洋紡績株式会社 | Biodegradable polyester |
JP2003112378A (en) * | 2001-10-02 | 2003-04-15 | Hiraoka & Co Ltd | Sheet-shaped composite excellent in degradability in natural environment and its print |
JP2003220680A (en) * | 2002-01-30 | 2003-08-05 | Heiwa Paper Co Ltd | Biodegradable water-resistant printing paper |
DE10338400A1 (en) * | 2003-08-18 | 2005-03-24 | Herbert Schlieper | Textile advertising banner has a plastic-coated woven panel with digitally printed legend in vapor-applied aluminum |
JP5033537B2 (en) * | 2007-08-10 | 2012-09-26 | 太陽工業株式会社 | Advertising film material |
WO2009027741A1 (en) * | 2007-08-28 | 2009-03-05 | 13/04 International Limited | Packaging material |
KR101322099B1 (en) * | 2008-07-08 | 2013-10-25 | (주)엘지하우시스 | Environmental Friendly Bio-Degradable Materials for Advertising |
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2009
- 2009-07-24 GB GB0912954A patent/GB2472101A/en not_active Withdrawn
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2010
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JPS6425976A (en) | 1987-07-20 | 1989-01-27 | Tokuda Seisakusho | Sputtering device |
DE29615909U1 (en) | 1996-09-12 | 1996-10-24 | F & F Werbe Und Vermarktungsag | Construction board |
US6503977B1 (en) | 1999-03-25 | 2003-01-07 | Kimberly-Clark Worldwide, Inc. | Substrate coatings, methods for treating substrates for ink jet printing, and articles produced therefrom |
DE202006012870U1 (en) | 2006-08-22 | 2006-11-30 | Herold, Monika, Dipl.-Ing. (FH) | Composite material for decorative and advertising purposes, comprises linen fabric material connected with substrate or substrate layer by lamination, and adhesive layer arranged between the linen fabric and the substrate/substrate layer |
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EP2717246A3 (en) * | 2012-10-05 | 2014-11-05 | Bethke, Jürgen | Advertising banner for events and method of manufacturing and installing of advertising banners |
WO2023079296A1 (en) * | 2021-11-05 | 2023-05-11 | Fujifilm Speciality Ink Systems Limited | Inkjet ink set |
Also Published As
Publication number | Publication date |
---|---|
GB0912954D0 (en) | 2009-09-02 |
WO2011010164A3 (en) | 2011-03-17 |
GB2472101A (en) | 2011-01-26 |
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