WO2003002676A1 - Perfectionnements dans l'impression et y relatifs - Google Patents

Perfectionnements dans l'impression et y relatifs Download PDF

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Publication number
WO2003002676A1
WO2003002676A1 PCT/GB2002/002952 GB0202952W WO03002676A1 WO 2003002676 A1 WO2003002676 A1 WO 2003002676A1 GB 0202952 W GB0202952 W GB 0202952W WO 03002676 A1 WO03002676 A1 WO 03002676A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
ultraviolet curable
item
aroma
printable
Prior art date
Application number
PCT/GB2002/002952
Other languages
English (en)
Inventor
Gordon Beanland
Original Assignee
Ccl Label Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ccl Label Limited filed Critical Ccl Label Limited
Publication of WO2003002676A1 publication Critical patent/WO2003002676A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing

Definitions

  • This invention concerns improvements in and relating to printing, particularly, but not exclusively in relation to printing of materials which release an aroma upon scratching.
  • the "scratch and sniff concept is used in a variety of situations, but finds particular applicability in marketing.
  • the concept is used to provide an accurate indication of the smell or aroma of an article or liquid so as to encourage purchase of that article or liquid.
  • the "scratch and sniff concept is based upon a representation of the smell or aroma being provided, with that aroma being released upon mechanical disturbance of the location where the smell or aroma is provided. This disturbance may take the form of scratching with a fingernail, coin or other hard edge in some cases, whilst other cases employ the peeling back of a cover to expose the aroma.
  • the present invention has amongst its aims the successful provision of "scratch " and sniff technology using alternative printable forms.
  • the present invention has amongst its aims the provision of alternative preparation techniques for "scratch and sniff technology.
  • the present invention has amongst its aims the provision of "scratch and sniff technology which can be successfully deployed in a greater range of situations and / or with a longer shelf life.
  • the present invention has amongst its aims the provision of "scratch and sniff technology which can be subjected to repeated mechanical disturbance, and still provide an indication of the aroma.
  • the present invention also has amongst its aims the provision of "scratch and sniff technology which can be subjected to repeated mechanical disturbance without impairing the physical appearance of the location disturbed.
  • a printable material including an ultraviolet curable component and a plurality of particles, the particles being dispersed in the ultraviolet curable component, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the water content of the aroma bearing material being less than 18 weight %.
  • a printable material including an ultraviolet curable component and a plurality of particles, the particles being dispersed in the ultraviolet curable component, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the ultraviolet curable component having an alcohol content of less than 5% by weight.
  • a printable material including an ultraviolet curable component and a plurality of particles, the particles being dispersed in the ultraviolet curable component, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the ultraviolet curable material being viscous polymers.
  • a printable material including an ultraviolet curable component and a plurality of particles, the particles being dispersed in the ultraviolet curable component, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the proportion of particles to ultraviolet curable component being between 1 to5 and 1 to 3.5, by weight.
  • the first and/or second and/or third and/or fourth aspects of the invention may include one or more of the following features, options or possibilities, and/or those set out elsewhere in this document.
  • the printable material preferably has a shelf life of at least 2 weeks, more preferably at least 1 month and ideally at least 3 months.
  • the proportion of particles to ultraviolet component is preferably between 1 to 5 and 1 to 3.5 by weight.
  • the proportion is more preferably between 1 to 4.5 and 1 to 3.7 by weight.
  • the printable material preferably has a viscosity of at least 100 poise at 32 °C.
  • the printed matter preferably has a viscosity of at most 300 poise at 32 °C.
  • the viscosity of the printable material is between 150 and 250 poise at 32°C, and more preferably between 180 and 220 poise at 32 °C.
  • the ultraviolet curable material is preferably a varnish.
  • the ultraviolet curable material includes polymer and / or monomer and / or initiator components.
  • the proportion of the components is preferably between 50 and 90% polymer and / or 5 and 30% monomer and / or 1 and 20% initiator, the three components and / or other components forming 100% of the ultraviolet curable material.
  • a preferred ultraviolet curable material has a polymer content of 70%, a monomer content of 20% and an initiator content of 10% by weight, plus or minus 2% in each case.
  • the ultraviolet curable component preferably has a water content of less than 5%, more preferably less than 2% and ideally less than 1%.
  • the ultraviolet curable component preferably has a solvent content of less than 0.5% by weight.
  • the ultraviolet curable component preferably has an alcohol content of less than 2.5% by weight, more preferably less than 0.5% and ideally is free of alcohol.
  • the alcohol may be ethanol alone, other alcohols or a combination of ethanol with other alcohols.
  • the particles are preferably spherical.
  • the particles are preferably between 2 ⁇ m and 12 ⁇ m in diameter.
  • the particles are preferably provided with a cellulosic, ideally a cellulose, layer to provide the encapsulation.
  • the layer may be between 0.02 and 5 ⁇ m thick.
  • the aroma bearing material is preferably a liquid.
  • the aroma bearing material may be the same as the aroma bearing material in the product being indicated.
  • the aroma bearing material in the particle may have the same or a lower water content as the aroma bearing material in the product being indicated.
  • the aroma bearing material is the undiluted oil or other aroma bearing material used in the product being indicated, or is representative of the characteristic smell of the product.
  • the aroma bearing material preferably has a water content of less than 18 weight %. More preferably the water content is less than 10 weight % and ideally the water content is less than 5 weight %.
  • a fifth aspect of the invention we provide a method of preparing a printable material, the method including providing an ultraviolet curable component and a plurality of particles, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the particles being mixed into the ultraviolet component so as to dispersed the particles in the ultraviolet curable component, wherein 70% of the particles are separated from one another by the ultraviolet component.
  • a sixth aspect of the invention we provide a method of preparing a printable material, the method including providing an ultraviolet curable component and a plurality of particles, the particles including an encapsulating layer and an aroma bearing material within the encapsulating layer, the particles being mixed into the ultraviolet component so as to dispersed the particles in the ultraviolet curable component and give a level of broken particles of less than 20% of particles present.
  • At least 80% of the particles are separated from one another by at least a film of the ultraviolet curable component.
  • the level is at least 90% and ideally higher than 95%.
  • the level of broken particles arising from the dispersing process is less than 15%), more preferably less than 10% and ideally less than 5%.
  • the methods of the fifth and / or sixth aspects may include any of the features, options or possibilities for the method itself or the components mixed as set out elsewhere in this document.
  • a seventh aspect of the invention we provide a method of printing, the method including providing an amount of printable material, introducing the printable material to a printing press and printing an item or series of items with the printable material, the printable material being provided according to the first and/or second and/or third and/or fourth aspects of the invention and/or the printable material being produced according to the method of the fifth and/or sixth aspects of the invention.
  • the printing press may be a screen printing press.
  • the printing press is an online printing press.
  • the printing press may be a letter press.
  • the printing press may be a flexo press.
  • the printable material may be introduced to the printing press as one colour unit of the press.
  • the one or more, particularly 5 or more, other colour units may be used to apply coloured inks and/or varnishes and/or other printable materials.
  • an eighth aspect of the invention we provide a printed item, the item having been printed with a printable material provided according to the first and/or second and/or third and/or fourth aspects of the invention and/or printed with a printable material produced according to the method of the fifth and/or sixth aspects of the invention and/or printed according to the seventh aspect of the invention.
  • the item may be a piece of paper, The item may be an insert for a publication.
  • the item may be a sticky label.
  • the item may be a container, vessel, box, packet or other receptacle for a product.
  • the aroma bearing material may provide an indication of the smell of another item, for instance an item being promoted.
  • the aroma bearing material preferably provides an indication of a smell associated with the contents of the item.
  • the indication may be of the smell of the contents of the item as then present, for instance a toiletry product.
  • the indication may be of the smell of the contents of the item at a future time, for instance the smell of flowers arising from the seeds contained in the item.
  • the indication may be the characteristic smell of an item, for instance, leather or burnt rubber etc.
  • the item be a label to be applied to a container or that the item be considered the container with the printed item attached.
  • the printed item may be printed with the printable material throughout.
  • the printed item may be printed with the printable material at one or more locations.
  • an indication is provided to the viewer of the location or locations where the printable material has been applied, for instance through the use of colour printing and/or printed text and/or printed markings.
  • the printable material on the printed item preferably has a shelf life of at least 1 month, more preferably at least 3 months and ideally at least 6 months, during which mechanical disturbance of the printable material on the printed item releases the aroma.
  • the printable material on the printed item can be mechanically disturbed on a plurality of occasions and release the aroma on each occasion.
  • the colour and/or printed markings and/or printed text at and/or near the location or locations to which the printable material has been applied on the printed item are not visibly damaged by a plurality of mechanically disturbances.
  • Figure 1 is a schematic illustration of a printable material provided according to the present invention.
  • “Scratch and sniff technology” is used in a variety of applications, particularly in the promotion of perfumes where a location can be provided on an item which upon mechanical disturbance gives an indication of the aroma of the perfume.
  • the item is tailored for ease of incorporation, such as a slip in a magazine.
  • the advantage of such a system is that wide dissemination of samples of aroma can be achieved in a convenient form, and at suitable cost.
  • the applicant has found that the mechanical and chemical stability of the particles containing the aroma can be improved by tailoring the properties of the aroma providing material.
  • the aroma containing particles are produced by forming a shell of cellulose around an aroma providing liquid.
  • careful control of the water content of the aroma providing liquid is important in optimising the particles formed and the shelf life of the printable system.
  • attempts to form particles around aroma providing liquids which have a water content in excess of around 18% were unsuccessful.
  • Particle formation was greatly inhibited, and the particles formed were of poorer quality at such water levels.
  • the applicant modified the aroma providing liquid to ensure water content significantly below that level. This may, for instance, mean using the oil which provides the aroma in its neat form rather than in the diluted form used in the product being promoted.
  • Other particle formation techniques are possible, but in each controlling the water content of the aroma providing liquid is important.
  • the applicant has also sought to eliminate water as far as possible from the carrier of the printable system, into which the particles were introduced.
  • the applicant uses a UV curable resin as the printable carrier for the "scratch and sniff technology.
  • the applicant has established that the ethanol content of such carriers must be as low as possible. In the preferred form, no ethanol is present. Ethanol has been identified by the applicant as one of the principal chemical components of many carrier systems which chemically attack the particles. It is believed that ethanol acts as a solvent in this regard.
  • Mixing can be achieved using a two part mixing process. Initially, the dry powder is introduced into a vessel containing the resin. A slow, blunt stirrer is then used to fold the particulate material in and give a coarse mixture. Once no obviously dry particulate material remains, the mixing is pursued using a rotating element consisting of a number of blunt blades, such as circular cross section wires. The speed of mixing is increased in a series of steps, with approximately 2 to 3 minutes mixing at each stage, and 5 minutes mixing at the top speed. The result is a wet mix which is polished and contains the dispersed particulate material. Following this process it is believed that the type of dispersal illustrated in Figure 1 is achieved where most particles are physically spaced from one another by at least a film of the resin.
  • the printable system is suited to deployment using screen printing techniques as used for water based inks.
  • the printable system is also suitable for use using letter press and flexo press based techniques. This offers speed and cost advantages during production.
  • the printable system also only requires a single unit of the printing capacity during application so leaving the other units on the press (normally a total of six or eight) available for conventional colour printing.
  • the printable system does not, therefore, interfere with other aspects of the printing run and means that the application of the "scratch and sniff technology can be achieved on line. This contrasts sharply with water based systems where very substantial mechanical damage to the particles occurs if letter press or flexo pressing is attempted.
  • phase resins may be particularly suitable for use in the present invention.
  • resins having a pearly appearance due to the presence of an oil phase and resin phase may be most useful.
  • Providing a resin with a suitably low viscosity (50 poise) prior to curing is desirable to maximise the benefits of the present invention.
  • printing systems according to the present invention also have shelf lives of many months or even years after printing.
  • products embodying the "scratch and sniff technology can be introduced well in advance of their use by or sell by date, and yet still retain this feature of offering a sample of the aroma.
  • Initial tests suggest that several years of successful aroma retention may be possible for the printable systems of the present invention.
  • the printable system of the present invention is also beneficial in that the system can be made water resistant upon curing by selecting the best resins / varnishes. In the best embodiments as well, mechanical disturbance of the location on which the printable carrier has been applied results in the successful release of the aroma on repeated occasions.
  • the aesthetic appearance of the location is not significantly damaged by such a mechanical disturbance, and hence the product could be repeatedly scratched and sniffed by a number of prospective customers, prior to actual purchase, without detrimentally impacting the appearance of the article; clear invisible mechanical damage would reduce the saleability of that particular unit of the product.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Printing Methods (AREA)

Abstract

La présente invention concerne un matériau imprimable, un procédé de préparation d'un matériau imprimable, un procédé d'impression et un article imprimé particulièrement appropriés pour la technologie de pastille à humer et à gratter à durée de stockage prolongée, permettant l'adaptabilité en cours d'impression et produisant un aspect amélioré. Le matériau imprimable comporte le contrôle de teneur en eau du matériau servant de support à un parfum au sein d'un composant polymérisable aux UV et un mélange particulaire à moins de 18 % en poids et le contrôle de la teneur en alcool du composant polymérisable aux UV à moins de 5 % en poids et/ou l'utilisation de polymères de viscose en tant que matériau polymérisable aux UV et/ou la proportion des particules par rapport au composant polymérisable aux UV entre 1 et 5 et 1 et 3,5 en poids.
PCT/GB2002/002952 2001-06-27 2002-06-27 Perfectionnements dans l'impression et y relatifs WO2003002676A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0115671A GB0115671D0 (en) 2001-06-27 2001-06-27 Improvements in and relating to printing
GB0115671.0 2001-06-27

Publications (1)

Publication Number Publication Date
WO2003002676A1 true WO2003002676A1 (fr) 2003-01-09

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ID=9917426

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/002952 WO2003002676A1 (fr) 2001-06-27 2002-06-27 Perfectionnements dans l'impression et y relatifs

Country Status (2)

Country Link
GB (1) GB0115671D0 (fr)
WO (1) WO2003002676A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034008A1 (de) * 2008-07-21 2010-01-28 Carl Zeiss Surgical Gmbh Filtersatz zur Beobachtung von Fluoreszenzstrahlung in biologischem Gewebe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281034A2 (fr) * 1987-02-26 1988-09-07 Tohru Yamamoto Composition aromatique et son procédé de préparation
JPS64126A (en) * 1987-02-27 1989-01-05 Toru Yamamoto Composite material and its production
EP0303803A2 (fr) * 1987-08-18 1989-02-22 ROTRING INTERNATIONAL GMBH & Co KG Dispersions tinctoriales d'un latex coloré thermofixable
EP0307551A2 (fr) * 1987-06-22 1989-03-22 HENKEL CORPORATION (a Delaware corp.) Résines polyamides contenant un parfum utile comme revêtements et encres d'imprimerie
JPH07268383A (ja) * 1987-02-26 1995-10-17 Toru Yamamoto 芳香性組成物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281034A2 (fr) * 1987-02-26 1988-09-07 Tohru Yamamoto Composition aromatique et son procédé de préparation
US5387622A (en) * 1987-02-26 1995-02-07 Yamamoto; Tohru Perfume compositions produced by sol-gel methods
JPH07268383A (ja) * 1987-02-26 1995-10-17 Toru Yamamoto 芳香性組成物
JPS64126A (en) * 1987-02-27 1989-01-05 Toru Yamamoto Composite material and its production
EP0307551A2 (fr) * 1987-06-22 1989-03-22 HENKEL CORPORATION (a Delaware corp.) Résines polyamides contenant un parfum utile comme revêtements et encres d'imprimerie
EP0303803A2 (fr) * 1987-08-18 1989-02-22 ROTRING INTERNATIONAL GMBH & Co KG Dispersions tinctoriales d'un latex coloré thermofixable

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 171 (C - 588) 24 April 1989 (1989-04-24) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 02 29 February 1996 (1996-02-29) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034008A1 (de) * 2008-07-21 2010-01-28 Carl Zeiss Surgical Gmbh Filtersatz zur Beobachtung von Fluoreszenzstrahlung in biologischem Gewebe
DE102008034008B4 (de) * 2008-07-21 2010-07-01 Carl Zeiss Surgical Gmbh Filtersatz zur Beobachtung von Fluoreszenzstrahlung in biologischem Gewebe

Also Published As

Publication number Publication date
GB0115671D0 (en) 2001-08-22

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