WO2013126513A1 - Décalcomanies dermo-adhésives - Google Patents
Décalcomanies dermo-adhésives Download PDFInfo
- Publication number
- WO2013126513A1 WO2013126513A1 PCT/US2013/027040 US2013027040W WO2013126513A1 WO 2013126513 A1 WO2013126513 A1 WO 2013126513A1 US 2013027040 W US2013027040 W US 2013027040W WO 2013126513 A1 WO2013126513 A1 WO 2013126513A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- ink
- skin
- adhesive
- membrane
- Prior art date
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 52
- 239000000976 ink Substances 0.000 claims abstract description 188
- 239000012528 membrane Substances 0.000 claims abstract description 75
- 239000002966 varnish Substances 0.000 claims abstract description 53
- 230000004888 barrier function Effects 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003205 fragrance Substances 0.000 claims abstract description 13
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 179
- 239000012790 adhesive layer Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 229920001684 low density polyethylene Polymers 0.000 claims description 11
- 239000004702 low-density polyethylene Substances 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 230000000774 hypoallergenic effect Effects 0.000 claims description 7
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 7
- 239000003522 acrylic cement Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000037007 arousal Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 230000005012 migration Effects 0.000 abstract description 11
- 238000013508 migration Methods 0.000 abstract description 11
- 210000000416 exudates and transudate Anatomy 0.000 abstract description 7
- 239000002537 cosmetic Substances 0.000 abstract description 5
- 230000001953 sensory effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 27
- 238000007639 printing Methods 0.000 description 14
- 230000002028 premature Effects 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- 238000001429 visible spectrum Methods 0.000 description 2
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037311 normal skin Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
- B44C1/105—Applying flat materials, e.g. leaflets, pieces of fabrics comprising an adhesive layer
-
- 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
-
- 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
- C09D11/50—Sympathetic, colour changing or similar inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/12—Transfer pictures or the like, e.g. decalcomanias
Definitions
- the present invention relates to decorative and cosmetic body arts, in particular to decals possessing properties rendering them particularly suitable for application to skin and for long-term adherence to the skin.
- non-permanent alternatives to tattoo technology have been developed.
- known alternatives include application of transferable ink images and decal images.
- transfer images typically a water-soluble ink is printed on a substrate in a desired design or image and transferred by wetting the design or image (or the skin) and then pressing the wetted inks against the skin, transferring them to the skin.
- the transfer method is seriously limited by the human element involved in effectuating the transfer which tends to produce streaked, smeared and partial images.
- Sealer films of varnish may be applied covering the ink when the tattoo is in place on the skin, which generally gives an undesirable sheen to the underlying ink that spoils some of the effect of the decal appearing to be a real tattoo.
- the ink itself is in direct contact with the skin, which places serious allergenic and health limitations on allowable inks and reduces the ability to employ special-effects inks such as glow-in-the-dark and ultraviolet inks.
- Decal alternatives comprise a printed image on a substrate with an adhesive material on the other side of the substrate, generally protected by and peelable from a release backer/liner.
- the decals known in the art have generally been highly artificial in appearance due to undesirable characteristics of the substrate, which is generally thick, rigid and reflective.
- inks tend to migrate through the substrate and come in contact with the skin, and skin exudates migrate through the substrate into the ink, resulting in defective images and potential safety concerns.
- U.S. Patent No. 4594276 provides a decal-type alternative which employs a flexible, porous, non-woven, compacted tissue substrate which is translucent and which has an image printed on one side and a pressure sensitive adhesive on the opposite side.
- the substrate is flexible and provides translucence and a texture similar to human skin
- the examples include latexes as components to the substrate and all are disclosed as highly porous to air and moisture with limited elasticity, making them subject to premature release and generally undesirable for extended wear and conformation to human movement.
- the porous surface leads to admitted print precision problems and the applied decals suffer from migration of inks through the substrate over a very short period of time, which may be hastened in humid conditions.
- inks will migrate readily through the substrate toward the skin, printing is limited to inks approved for direct and sustained contact with skin.
- decal technologies which provide the capability for greater artistic expression by permitting use of more exotic specialty inks which do not substantially migrate through porous substrates, or which can be inhibited from migration, for decals which may be safely worn by the user for extended periods of time, which are elastic enough to conform to skin movement during use, and which mimic the texture and flexibility of skin without cracking of the ink layer or causing premature peeling from the skin surface.
- inventions of the instant invention provide novel skin-adhesive decal technologies for artistic, political and/or cosmetic renderings on the skin.
- inventive skin-adhesive decals employ a suitably elastic, flexible, thin substrate which may be printed with inks by known processes.
- the substrate is particularly suitable for application of substantially non-migrating or low-migrating inks. Where low-migrating inks may be employed, additional barrier layers may be interposed to prevent migration.
- Adhesives are selected to be substantially impermeable to water so that migration of sweat and water-based exudates toward the ink is inhibited. Additional barrier varnish may be precisely applied to prevent oil-based skin exudates from migrating into the ink layer as well.
- inventive decals may be printed with a wider variety of specialty inks providing a superior range of artistic expression or cosmetic need.
- the applied decals are both realistic and safe for application to skin and remain in place without premature peeling over one or several days, and in some cases up to a week.
- Certain embodiments of the invention are directed to skin-adhesive decals comprising (a) a membrane layer comprising a flexible elastic polymeric water-resistant film; (b) an adhesive layer disposed on one side of the membrane layer; (c) a release backer layer releasably adhered to one side of the adhesive layer; (d) an ink layer disposed across at least a portion of the membrane layer, and (e) optionally, one or more barrier varnish layers.
- a substantially non-migrating or low-migrating ink may be used.
- a barrier varnish layer may be disposed over the ink layer and/or a barrier varnish layer may be interposed between the ink and membrane layers, or both.
- the ink layer may comprise several layers of ink including one or more layers of color process ink and one or more layers of spot process ink.
- the layers of applied ink may be configured in ways to provide special visual effects when applied to the skin and may be configured such that the visual effects are altered according to changes in one or more of temperature, humidity or lighting of the environment in which the decal is worn.
- the membrane layer is relatively thin and flexible.
- the membrane layer, the adhesive layer and the release backer layer combined are no more than about .007 inches in thickness.
- the membrane has desirable elongation properties such that it can conform to ordinary human movement without premature detachment from the skin, yet the degree of elongation permitted is tolerant to avoid deformation of the printed image.
- the skin-adhesive decal comprises: (a) a membrane layer comprising a flexible elastic water-resistant low density polyethylene film; (b) a hypoallergenic substantially water-insoluble acrylic adhesive layer disposed on one side of the membrane layer; (c) a release backer layer comprising a silicone release coating and releasably adhered to the adhesive layer; (d) an ink layer adjacent at least a portion of a surface of the membrane layer opposite the adhesive layer, wherein the ink comprises a substantially non-migrating or low migrating ink, (e) optionally a barrier varnish layer disposed over the ink layer; and (f) optionally a barrier varnish layer interposed between the ink layer and the membrane layer; wherein a combined thickness of the membrane layer and adhesive layer is less than .0030 inches and the membrane layer possesses a percent elongation property of between about 300 and about 450 according to ASTM-D882.
- inventions are directed to methods for manufacturing the inventive skin-adhesive decals.
- the methods generally comprise the steps of (a) providing a porous breathable water-resistant low density polyethylene membrane having a hypo- allergenic acrylic adhesive on one surface of the membrane and a release backer applied to the adhesive opposite the membrane; (b) applying an ink adjacent a surface of the membrane opposite the adhesive; and
- Figure 1 A schematic cross-sectional illustration depicting layers in exaggerated vertical dimensions of a skin-adhesive decal according to a specific embodiment of the invention.
- Figure 3 A schematic cross-sectional illustration of specific embodiment of the skin-adhesive decals depicting a barrier varnish layer interposed between the ink layer and the membrane layer and a barrier varnish layer comprising fragrance elements applied over the ink layer.
- Figure 4 A schematic cross-sectional illustration of a specific embodiment of the skin-adhesive decals depicting a barrier varnish layer interposed between the ink layer and the membrane layer and a barrier varnish layer comprising glitter and/or metallic and/or texture elements applied over the ink layer.
- Figure 5 A schematic cross-sectional illustration of a specific embodiment of the skin adhesive decals depicting an ink layer comprising substantially non- migrating or low-migrating ink is depicted.
- FIG. 1 a schematic cross-sectional view of an embodiment of a decal according to the disclosure is depicted.
- An ink layer 2 comprising a substantially non- migrating or low-migrating ink is printed in one or more process steps onto a membrane layer 3, which comprises a porous breathable substrate.
- the phrase "substantially non-migrating or low-migrating ink” includes a range of non-migrating to low migrating inks, such that the ink will not contact the skin by penetration / migration through the breathable membrane 3 while the decal is adhered to the skin.
- the ink layer 2 may comprise one or more discrete non-contiguous applications/deposits of ink atop the membrane layer 3 and the ink layer 2 is not necessarily commensurate in area with the membrane layer 3.
- An ink layer 2 according to the disclosure may comprise more than one layer of ink.
- fragrance elements 10 may be applied to the ink layer 2.
- Fragrance elements which are suitably applied are well-known in the art and may include free, encapsulated or carrier-bound fragrance elements.
- carrier-bound special effects agents such as carrier-bound fragrance elements including, for example, well known cyclodextrin or zeolite carrier-bound organic perfume agents, are not applied directly to the ink layer 2; rather they are first admixed with a varnish and applied as part of a barrier varnish layer over the ink layer.
- Free organic and inorganic fragrance/perfume agents may be applied directly to the ink layer 2.
- Free fragrance agents or carrier agents may also be mixed with an ink and applied as part of the ink layer 2.
- An adhesive layer 4 comprising a direct skin contact hypoallergenic adhesive is on one surface of the membrane layer 3, opposite the ink layer 2, such that the adhesive layer 4 is between the membrane layer 3 and a release backer layer 5.
- the adhesive layer 4 is releasably adhered to the release backer layer 5 and may be readily detached from the release backer layer 5 by the user and thereafter applied to the skin.
- Figure 2 depicts a schematic cross-sectional view of another illustrative embodiment of the skin-adhesive decal according to the invention.
- a barrier varnish layer 6 is interposed between the ink layer 2 and the membrane layer 3. Where low- migrating inks are employed, the barrier varnish layer 6 further ensures that inks applied in the ink layer 2 will not penetrate or migrate enough to come in contact with skin, and further that perspiration or oily exudates of the skin do not migrate into and degrade the quality of the ink layer 2.
- An adhesive layer 4 is disposed between and adjacent the membrane layer 3 a release backer layer. The adhesive layer 4 is releasably adhered to the release backer layer 5.
- the decal comprises at least two layers of barrier varnish, including a barrier varnish layer 6 interposed between and adjacent the membrane layer 3 and the ink layer 2, and a barrier varnish layer 7 applied over the ink layer 2 and comprising one or more special effects agents.
- the barrier varnish layer 7 may also protect inks applied in the ink layer 2 or provide additional textural effects, for example by being subject to frothing techniques.
- Special effects agents may include, as non-limiting examples, fragrance elements which may be organic, oily or water-based and be present as free molecules within the barrier varnish matrix or encapsulated or bound to carrier molecules by methods well-known in the art.
- Special effects agents may also include any agent which can be admixed with the barrier varnish, or deposited on the barrier varnish, which create or impart a special sensory effect.
- Non- limiting examples include metallics, glitter, texture agents, for example to provide a three-dimensional effect, and flocking agents, for example to create a furry texture, and other textural elements applied to create holographic or perceptual effects.
- Such elements, processes and methods are well-known in the specialty ink process arts in the context of printing on fabrics/woven/paper materials and may be employed herein in association with particular embodiments, for example by admixing with varnish where carriers are necessary, and by including a barrier varnish layer beneath the ink layer to inhibit migration of low-migrating inks and prevent direct contact with skin.
- linear low density polyethylene membranes provide a substrate ideal for utilization of special- effects agents and inks when applied in combination with the disclosed barrier varnish layers, because (1) migration to skin is avoided, (2) migration of skin exudates toward the ink layer is avoided, and (3) inks may be applied thinly enough to avoid cracking during elongation tolerances expected with ordinary skin movement and permitted by the elastic properties of the low density polyethylene membranes.
- the barrier varnish layer 1 may be in direct contact with portions of the membrane layer 3.
- Figure 4 depicts another specific embodiment of the skin-adhesive decals of the invention, comprising two barrier varnish layers and special effects agents.
- a barrier varnish layer 6 is disposed between a membrane layer 3 and an ink layer 2.
- UV ink comprises an ultraviolet (UV) ink
- a UV ink is known in the art as a substantially non- migrating ink and therefore in some embodiments may be employed without a barrier varnish layer.
- a UV ink is substantially non-migrating with respect to the low density polyethylene membrane embodiment of the instant disclosure.
- UV ink is typically substantially invisible in wavelengths of the visible spectrum, but becomes visible under UV (black) light. UV inks are typically not used in applications requiring contact with skin, but are well known in woven and fabric substrate applications.
- Non-limiting examples of inks suitable for specific embodiments of the invention include glow-in-the-dark, thermo-chromic, photo-chromic, hydro-chromic, glitter, metallic, cold-cast, and cure inks.
- the ink may be ultraviolet or water-based.
- a ink layer may comprise more than one layer of ink depending on effect or design desired.
- an ink layer may be formed by application of a color process ink, such as by application of a layer of CMYK, followed by application of a spot layer comprising a special-effects ink such as glow-in-the-dark ink.
- the special effects inks contemplated by the disclosure are well-known in the art.
- CMYK is a well- known type of process color printing and refers to the four inks used therein: cyan, magenta, yellow, and key (black). Ink is generally although not necessarily applied in the order of the abbreviation.
- Process color printing is a subtractive coloring process, contrasted for example with spot color printing, in which specific colored inks are used to produce the colors appearing on a substrate.
- CMYK layer is understood to include as many CMYK layers as necessary to achieve a desired color or image.
- thermo-chromatic ink changes color as the ink temperature changes.
- the ink is one color and above an activation temperature the ink lightens or become clear. As the ink cools, the original color returns. For example, a purple ink may become pink at a skin-surface temperature below activation temperature and then return to purple when cooled.
- Preferred inks for specific embodiments herein are engineered with an activation temperature close to skin surface temperature such that ordinary changes in skin temperature trigger a temperature and therefore color change in the ink.
- a first CMYK layer is applied to the membrane layer and a thermo-chromatic ink is spot applied to the CMYK layer.
- the thermo- chromatic ink may become transparent, revealing an image formed from the CMYK layer beneath.
- the activation temperature is slightly below ordinary ambient skin temperature. Skin temperature fluctuates according to factors such as air temperature and time spent in that environment, as well as emotional state and health of the person. Skin becomes warmer as blood is diverted to capillaries close to the skin surface, for example, during excited arousal states and fear. In other cases, blood may be diverted from the skin to the inner core of the body, such as during periods of meditation or relaxation.
- a normal temperature of skin in an ambient, wind-sheltered environment is generally considered to be between about 88 and 94°F.
- the activation temperature of the thermo-chromatic ink is just below or just above normal skin temperature so that changes in mood or arousal of the person to whom the decal is applied triggers a change in skin temperature and activates the ink on the applied decal to provide a general indication of a change in "mood.”
- the activation temperature of the thermo-chromatic ink is about 33°C, equivalent to about 91°F.
- Such inks are well known by a person of ordinary skill in the decorative printing arts.
- a photo-chromatic ink is typically invisible until brought into contact with light of a particular wavelength.
- the photo-chromatic ink comprises an ultraviolet (UV) ink, which is only visible in "black” light, or light outside the visible spectrum.
- UV ultraviolet
- Hydro-chromatic inks are generally applied as a white ink over a pre-existing image. The ink is activated by water such that when water is applied, the white ink disappears and the image behind the ink appears. When the water dries, the image goes back to white.
- membrane substrates comprising very specific features as disclosed herein, it is possible to employ a wider variety of specialty inks in a skin-adhesive decal while avoiding safety concerns associated with very thin breathable substrates known in the art, and while avoiding resort to thick unrealistic substrates to prevent such contact.
- the membrane layer comprises a polyethylene film.
- the polyethylene film is a latex-free low density polyethylene film, and in a very specific embodiment the membrane layer comprises a linear low density polyethylene film. According to some specific
- a membrane layer comprises a linear low-density polyethylene (LLDPE), which is a substantially linear polymer (polyethylene), with significant numbers of short branches.
- LLDPEs are known for comparatively high tensile strength and have higher impact and puncture resistance than conventional substrates including polyethylene in general and other LDPEs.
- LLDPE is highly flexible and can be used to make thinner films, with better environmental stress cracking resistance. Further, LLDPE exhibits superior chemical resistance.
- LLDPEs are water-resistant rather than water-permeable and therefore skin-adhesive decals according to the invention maybe be manufactured with a wider variety of specialty inks including inks which have not been approved for contact or for prolonged contact with skin.
- Films suitable for membranes according to the disclosure are medical grade films available, for example, from Mactac North America.
- a product designated TM1015 is an exemplary film and further comprises an acrylic medical grade adhesive coating protected by a release liner.
- Various release liners are available depending on specific needs.
- a preferred release backer layer according to the invention comprises a silicone release.
- the film is designed to be highly conformable in skin applications and transparent, with low light reflectance. The present inventors surprisingly discovered that in combination with certain other inventive layering configurations, low density polyethylene films provide superior physical tolerances for print process and body decal needs.
- the thickness of the membrane layer, adhesive layer and release backer layer combined is between about .005 and .007 inches. In a very specific embodiment the combined thickness is about .006 inches. In other specific embodiments a combined thickness of the membrane layer and adhesive layer is about .0025 inches and a thickness of the release backer is about .0035 inches. In other specific
- the membrane layer is elastic and capable of elongation such that it substantially conforms to body movement without triggering premature peeling of the applied skin-adhesive decal.
- the membrane layer possesses a percentage elongation property of between about 300 and 450 as measured according to ASTM - D882 test protocol.
- a method comprises (a) providing a porous breathable water-resistant low density polyethylene membrane having a hypo- allergenic acrylic adhesive on one surface of the membrane and a release backer applied to the adhesive opposite the membrane; (b) applying an ink adjacent a surface of the membrane opposite the adhesive; and (c) optionally applying one or more barrier varnish layers.
- a barrier varnish layer may be applied over the ink layer, and/or a barrier varnish layer may be interposed between the ink layer and the membrane layer.
- barrier varnish layer between the ink and membrane level further inhibits migration/penetration of ink toward the skin, and is particularly important where inks not approved for direct contact with human skin are contemplated.
- the interposed barrier varnish layer further inhibits migration of skin exudates into the ink layer, substantially preventing degradation of the image by perspiration and oil, resulting in a longer lasting pleasing effect to the decal as applied.
- the ink may be applied to the membrane or to the varnish coating over the membrane, in more than one application process, each of which may comprise one or more steps.
- one or more color process inks may be applied followed by application of at least one spot process ink over at least a portion of the color process ink.
- Spot process inks capable of providing desirable artistic and reveal visual effects include, without limit, glow-in-the-dark, ultraviolet, photo-chromatic, hydro-chromatic, and thermo- chromatic ink.
- Special agents which confer additional sensory effects may be applied directly to the ink layer, or admixed with a varnish applied over the ink layer. Such agents include but are not limited to fragrance, metallic, texture, flocking or glitter elements.
- Printing may be effectuated by any conventional process known for printing images on flexible substrates including but not limited to flexographic, off-set, sheet-fed offset, digital, and gravure printing processes.
- the decals may be provided in various forms.
- the printed image may be partially precut so that the edge of the decal is the perimeter of the image, or any shape may be cut (e.g. circular, square, irregular), or so that the perimeter comprises a transparent portion allowing the image to stand out against skin viewed through the transparent portion.
- the decals may be provided as individual decals or in sheets with decals able to be peeled in pre-cut shapes from the release backer layer, or the consumer may be provided uncut decals on sheets which are then cut to desired shapes by the consumer.
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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)
- Laminated Bodies (AREA)
Abstract
Décalcomanies dermo-adhésives pour applications corporelles décoratives et cosmétiques à partir de membranes de polymère flexibles et élastiques, épousant le corps et résistant à l'eau, imprimées avec des encres de traitement de couleur et en couches par points. Les encres non migrantes ou à faible migration, y compris les encres luminescentes dans l'obscurité, ultraviolettes, photochromatiques, hydro-chromatiques et thermo-chromatiques, peuvent être utilisées, et les décalcomanies comprennent une barrière de couche de vernis qui apporte des éléments parfumés, métalliques ou à paillettes, ou d'autres éléments d'effets spéciaux. Les décalcomanies peuvent également comprendre une barrière supplémentaire de couches de vernis qui peut protéger et même empêcher la migration d'encre vers la peau ou les exsudats de la peau vers l'encre, préservant ainsi la qualité de l'image imprimée. Des procédés de fabrication des décalcomanies dermo-adhésives sont également décrits. Les décalcomanies dermo-adhésives sont facilement appliquées et retirées et fournissent une image réaliste et une variété d'effets spéciaux sensoriels et visuels, elles peuvent être appliqués sur la peau pour une période de temps prolongée et sont capables de s'adapter sensiblement au mouvement de la peau.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261601727P | 2012-02-22 | 2012-02-22 | |
US61/601,727 | 2012-02-22 | ||
US201261612446P | 2012-03-19 | 2012-03-19 | |
US61/612,446 | 2012-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013126513A1 true WO2013126513A1 (fr) | 2013-08-29 |
Family
ID=49006185
Family Applications (1)
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PCT/US2013/027040 WO2013126513A1 (fr) | 2012-02-22 | 2013-02-21 | Décalcomanies dermo-adhésives |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015097613A1 (fr) * | 2013-12-27 | 2015-07-02 | L'oreal | Dispositif de transfert pour maquiller des matériaux kératiniques |
US10265260B2 (en) | 2013-12-27 | 2019-04-23 | L'oreal | Transfer makeup process and related device |
US10477938B2 (en) | 2013-12-27 | 2019-11-19 | L'oreal | Makeup device comprising a plurality of cosmetic dyes |
US10532011B2 (en) | 2013-12-27 | 2020-01-14 | L'oreal | Transfer device for making up keratin materials |
US11178955B2 (en) | 2013-12-27 | 2021-11-23 | L'oreal | Transfer device and process for making up keratin materials |
US11191340B2 (en) | 2013-12-27 | 2021-12-07 | L'oreal | Transfer device for making up keratin materials |
US11445801B2 (en) | 2013-12-27 | 2022-09-20 | L'oreal | Transfer device for making up keratin materials |
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KR20160124753A (ko) * | 2013-12-27 | 2016-10-28 | 로레알 | 케라틴 물질을 메이크업하기 위한 전사 기기 |
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US11445801B2 (en) | 2013-12-27 | 2022-09-20 | L'oreal | Transfer device for making up keratin materials |
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