WO2010003222A2 - Procédé de fabrication d’un dispositif indicateur comprenant une substance de transition accouplée à un textile - Google Patents

Procédé de fabrication d’un dispositif indicateur comprenant une substance de transition accouplée à un textile Download PDF

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Publication number
WO2010003222A2
WO2010003222A2 PCT/CA2009/000896 CA2009000896W WO2010003222A2 WO 2010003222 A2 WO2010003222 A2 WO 2010003222A2 CA 2009000896 W CA2009000896 W CA 2009000896W WO 2010003222 A2 WO2010003222 A2 WO 2010003222A2
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WO
WIPO (PCT)
Prior art keywords
transition substance
textile
transition
process according
substance
Prior art date
Application number
PCT/CA2009/000896
Other languages
English (en)
Other versions
WO2010003222A3 (fr
Inventor
Neil Miller
Original Assignee
Luvgear Inc.
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 Luvgear Inc. filed Critical Luvgear Inc.
Publication of WO2010003222A2 publication Critical patent/WO2010003222A2/fr
Publication of WO2010003222A3 publication Critical patent/WO2010003222A3/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • D06P5/08—After-treatment with organic compounds macromolecular
    • 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
    • C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
    • C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09D131/04—Homopolymers or copolymers of vinyl acetate
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09D133/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C09D135/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D135/06—Copolymers with vinyl aromatic monomers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/004—Dyeing with phototropic dyes; Obtaining camouflage effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G01K11/16—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K2207/00—Application of thermometers in household appliances

Definitions

  • the present in ⁇ ention pertains to the field of indicator de ⁇ ices, particularh indicator de ⁇ ices comprising transition substances coupled to textiles, and processes of manufacturing same
  • transition substances such as thermochromic and/ or photochromic d ⁇ es
  • thermochromic and/ or photochromic d ⁇ es Use of transition substances, such as thermochromic and/ or photochromic d ⁇ es, is known in the art for manufacturing indicator de ⁇ ices and apparel, wherein change in colour of the transition substances is used to indicate in an ambient condition
  • U S Patent No 6,504,161 discloses a radiation indicator de ⁇ ice comprising a radiation sensit ⁇ e mixture which undergoes a colour change which is ⁇ isualh recognizable when exposed to UV radiations
  • the radiation sensit ⁇ e mixture includes an organic halogen constituent capable of producing at least one acidic product upon exposure to ultra ⁇ iolet radiation and an indicator constituent capable of producing a change in colour in response to a change in concentration of the acidic product
  • the radiation sensit ⁇ e mixture has a first colour representing a relat ⁇ eh low concentration of the acidic product and has a second colour representing a relat ⁇ eh high concentration of the acidic product
  • the first colour is ⁇ isualh distinguishable from the second colour
  • the de ⁇ ice maj also include a graphic pattern interposed amongst the radiation sensit ⁇ e mixture, which graphic pattern has a graphic pattern colour substantialh identical to either the first colour or the second colour
  • U S Patent No 6,585,555 discloses a colour changing w ater to ⁇ ha ⁇ ing a porous absorbent core made from soft open cell foam, and is co ⁇ ered with sparkle graphics, at least one of which are printed with thermochromicalh sensit ⁇ e paint or d ⁇ e
  • U S Patent No 4,601,588 discloses a temperature-indicating sheet which, when exposed to temperatures higher than the prescribed temperature in temperature-control for the common low -temperature prese ⁇ ed goods, changes in colour according to the exposure temperature and time
  • the sheet of this patent comprises a component which melts at the prescribed temperature, a substance w Inch changes in colour in contact with the component and a membrane permeable to the molten component
  • the component is included in microcapsules which can be broken b ⁇ outer pressure at a temperature used, and in which the component and the substance are arranged at the opposite sides with respect to the membrane
  • thermochromic and/ or photochromic d ⁇ es in the manufacture of w aterproof apparel, wherein the use of thermochromic and/ or photochromic d ⁇ es are incorporated into the resin mix for fabricating the flexible sheet material
  • U S Patent No 5,985,381 discloses methods for increasing the camouflaging effect of an ⁇ camouflaging pattern, b ⁇ coating a photochromic material o ⁇ er at least a portion of the camouflaging pattern
  • the maiorit ⁇ of the transition substances of the prior art are incorporated into the fibers used in the manufacture of the fabric
  • the d ⁇ eing or printing methods are used to apph the transition substances to the fabric materials
  • w ith respect to the durability of such coated or d ⁇ es materials and. in particular, with respect to colour fastness, w ash fastness etc
  • the present im ention relates to a process of manufacturing indicator de ⁇ ices im ohing coupling of at least one transition substance to a textile or fabric material
  • the process of the present im ention pro ⁇ ides indicator de ⁇ ices with increased durability , in particular with respect to w ash fastness and/or colour fastness under ⁇ anous conditions such as repeated w ashing, dr ⁇ cleaning, bleaching or exposure to heat and/or light
  • Fig. 1 illustrates an embodiment of the indicator de ⁇ ice formed b ⁇ the process of the present im ention showing the transition and non-transition substances applied in predetermined shapes and colours, wherein the non-transition substance becomes ⁇ isible upon colour change in the transition substance with a change in temperature from abo ⁇ e 0 degrees C to below -15 degrees C.
  • Figs 2a and 2b illustrate embodiments of the indicator de ⁇ ice formed b ⁇ the process of the present im ention showing the transition and non-transition substances applied in predetermined shapes and colours, wherein the non-transition substance becomes ⁇ isible upon colour change in the transition substance with a change in temperature from about normal bod ⁇ temperature to abo ⁇ e 38 degrees C.
  • Figs. 3a and 3b illustrate embodiments of the indicator de ⁇ ice formed b ⁇ the process of the present inv ention showing the transition and non-transition substances applied in predetermined shapes and colours, wherein the non-transition substance becomes ⁇ isible upon colour change in the transition substance with a change in temperature from about normal bod ⁇ temperature to abo ⁇ e 37 or 38 degrees C.
  • Figs. 4a and 4b illustrate embodiments of the indicator de ⁇ ice formed b ⁇ the process of the present inv ention showing the transition and non-transition substances applied in predetermined shapes and colours, wherein the non-transition substance becomes ⁇ isible upon colour change in the transition substance w ith a change in ultra ⁇ iolet (UV) radiation detection from little or no UV radiation detected to a relat ⁇ eh high degree of UV radiation detected, such as betw een 4 - 10 and hi L gBh L er on the UV index
  • UV ultra ⁇ iolet
  • condition is used to define an existing state, with reference to an entit ⁇ including but not limited to a lrung being or inanimate ob)ect
  • existing states include but are not limited to, temperature state, pressure state, moisture state, ultra ⁇ iolet radiation state, or other state which ma ⁇ change or transform in an identifiable manner in response to a stimulus, as w ould be readih understood b ⁇ a w orker skilled in the art
  • the existing state ma ⁇ also be w ith reference to the em ironment proximate to the entit ⁇ , including but not limited to the atmospheric state proximate to an entit ⁇ or state of a second entit ⁇ proximate to a first entit ⁇
  • identityifiable change is used with reference to a change in a transition substance that can be detected including, but not limited to, changes that can be detected b ⁇ one or more unassisted human senses or with the assistance of instruments and the like
  • the term "about" refers to a +/- 10% ⁇ anation from the nominal ⁇ alue It is to be understood that such a ⁇ anation is alw a ⁇ s included in an ⁇ gi ⁇ en ⁇ alue pro ⁇ ided herein, w hether or not it is specificalh referred to
  • the present in ⁇ ention pro ⁇ ides a process for manufacturing an indicator de ⁇ ice comprising at least one transition substance coupled to a textile or fabric material
  • the process of the present in ⁇ ention generalh comprises the steps of apph ing at least one transition substance to the textile follow ed b ⁇ apph ing a poh mer coating o ⁇ er the transition substance, and curing the coated textile
  • the transition substances used in the process of the in ⁇ ention are configured to change in the presence of or in response to a change in the condition/state
  • the process of the present in ⁇ ention ma ⁇ further comprise a step of apph ing a non- transition substance to the textile
  • the non-transition substance can be applied before or after the application of the transition substance
  • the non-transition substance can be applied under, o ⁇ er and/or ad)acent the transition substance
  • the non-transition substance can be applied in specific colours, forms or shapes to pro ⁇ ide further information and/or signals about the change in a condition as indicated b ⁇ the transition substance
  • the non-transition substance can also be applied in specific colours, forms or shapes to pro ⁇ ide a reference point for comparing the degree of change and/or lntensit ⁇ of the stimulus causing the change in that condition
  • the non-transition substance can be applied in the same colour as the final colour of the transition substance to indicate the end point or the maximum le ⁇ el of a stimulus causing the change
  • the non-transition substance can be applied to be ⁇ isible subsequent to colour change in the transition substance
  • the non-transition substance can be applied to gradualh be re ⁇ ealed w ith the corresponding change in colour of the transition substance
  • the non-transition substance can be applied under a transition substance, which masks the non-transition substance initialh and gradualh changes from a dark colour to a light colour thereb ⁇ gradualh re ⁇ eahng the non-transition substance
  • the process maj further comprise the step of dn ing the non-transition substance after application
  • the process maj further im oh e the steps of dn ing the textile after apph ing the transition substance and/or non-transition substance and/or after apph ing the poh mer coating
  • the process maj further include a step of apph ing an acn he coating to the textile/fabric material before the step of apph ing the transition and/or non-transition substance in order to impart strength to the material for handling during the coupling process and to impro ⁇ e the w ash fastness of the indicator de ⁇ ice under ⁇ anous w ashing conditions and/or to pre ⁇ ent fra ⁇ ing if the textile material/fabric is cut
  • the process maj further comprise a step of prehminan curing after apph ing the transition substance and/or poh mer coating to enhance the durability of the indicator
  • the process comprises the steps of apph ing an acn he coating to the textile, apph ing a non-transition substance to the textile, dn ing the non-transition substance, apph ing a transition substance on the textile, dn ing the transition substance, apph ing a poh mer coating to the non-transition and transition substances, and curin *g& the textile
  • the process of the present in ⁇ ention can be carried out b ⁇ printing, screening or other method as w ould be readih understood b ⁇ a w orker skilled in the art
  • Suitable printing processes include rotan printing, w here the ink is applied to the fabric using a rotan drum
  • a screen printing process machine, a roto print machine, stamping machine, or flexographic print machine ma ⁇ be used to couple the transition substance to the textile
  • the transition substance is a d ⁇ e, wherein the fabric material can be dipped into the d ⁇ e enabling the coupling thereof w ith the fabric material
  • the fabric material can be dipped into the d ⁇ e enabling the coupling thereof w ith the fabric material
  • w orker skilled in the art w ould readih understand a number of w a ⁇ s to couple a transition substance in the form of a d ⁇ e w ith a fabric material, w herein the selection of apparatus can depend on how much and/or where the transition substance is to be coupled w ith the fabric material
  • the amounts of the transition and non-transition substances applied on the material depend upon the t ⁇ pe of transition desired on the final product and the nature of the stimulus to achie ⁇ e the transition (i e thermochromic, photochromic etc )
  • the process is carried out in a screen printing machine, wherein the transition, non-transition and/or poh mer coating is applied using a silk screen
  • one or more of the transition and non-transition substances is substantialh or completely free of phthalates and other undesirable compounds
  • the transition substance is applied to ha ⁇ e a thickness of about 120 ⁇ m after burning out cotton
  • the non-transition substance is applied to ha ⁇ e a thickness of 50-300 ⁇ m on the textile In another embodiment of the in ⁇ ention the thickness of the non-transition substance is about 280 ⁇ m
  • the amount of the non-transition and transition substances to achie ⁇ e the desired thickness can be calculated b ⁇ a skilled w orker depending upon the apparatus used to earn out the process
  • the desired thickness can be achie ⁇ ed b ⁇ using the appropriate apparatus
  • the thickness of 50-300 ⁇ m of the non-transition substance and of 120 ⁇ m for transition substance can be achie ⁇ ed b ⁇ using screen printing apparatus, wherein the mesh size of the screen is 60-220 mesh, with a gentle and e ⁇ en pressure
  • the steps of dn ing the textile after application of the acn lic coating, transition substance, non-transition-substance and/or poh mer coating can be achie ⁇ ed b ⁇ an ⁇ method know n to a w orker skilled in the art
  • the dr ⁇ ing steps are carried out b ⁇ apph ing hot air
  • the step of curing can also be carried out according to methods known in the art
  • the step of curing is carried out b ⁇ heating the textile in a curing o ⁇ en at a constant temperature
  • the step of curing can be carried out under ⁇ anable temperature within a set range
  • the temperature increases, decreases or c ⁇ cles within the range
  • the temperature for the curing o ⁇ en can range from 150 to 300 0 F
  • the curing step in the process of the present in ⁇ ention maj further comprise a step of pre-cu ⁇ ng
  • the step of pre-cu ⁇ ng can be carried out b ⁇ heating the textile on a heating element prior to heating in the curing o ⁇ en
  • the temperature of the heating element is about 200 0 F
  • Indicator de ⁇ ices made b ⁇ the process of the present in ⁇ ention comprise a textile or fabric material, at least one transition substance coupled to the textile, and a poh mer coating
  • the indicator de ⁇ ices can further comprise at least one non-transition substance coupled to the textile to pro ⁇ ide further information about the change in state indicated b ⁇ the transition substance
  • the indicator de ⁇ ices formed b ⁇ the process of the present in ⁇ ention are for indicating changes in a state, for example change in temperature, exposure to heat, light and/or ultra ⁇ iolet radiations, wherein the transition substance ⁇ isualh transforms upon change in a state
  • the colour of the transition substance can change in response to changes in temperature, moisture, or UV radiations
  • the indicator device can be configured as a sheet of material and can be used to adhere, cover, or enclose, in whole or in part an entity.
  • the indicator device is configured to be attached to the clothing, for example as a label.
  • the indicator device is an article of clothing.
  • the clothing described herein include for example, adult, child infant, or pet clothing, which can include shirts, blouses, t-shirts, tank tops, undershirts, hats, visors, headbands, pants, shorts, bathing suits, wetsuits, underwear, coats, jackets, junipers, sleepers, footwear, socks, tights, leotards, gloves, mittens, wrist bands, watches or other type of clothin 1 gB a • s would be readilv understood bv a worker skilled in the art.
  • the indicator device is shaped in order to form a cover for an apparatus, for example a cover for furniture, chairs, strollers, car seats, bags, or other types of covers as w ould be readily understood by a worker skilled in the art.
  • the fabric material may also be configured as a bag or other type of cam ing device as w ould be readily understood by a worker skilled in the art.
  • the indicator device is configured for a desired purpose, for example a towel, bed sheet, wash cloth, blanket, curtain, bandage, artwork, or other type of sheet-like product as w ould be readily understood by a worker skilled in the art.
  • the indicator device indicates changes in the temperature from above 0 degrees C to below -15 degrees C. As the temperature becomes colder, the colour and tone of the snowflake symbol become darker and more pronounced.
  • This device may be coupled to a typical outer garment worn in a cold environment and may serve to alert the wearer and others as to a change in the temperature.
  • the indicator device indicates changes in the temperature in contact ⁇ ith the device, such as when the device is coupled to clothing worn by a child, such that the device is touching the skin.
  • the device changes to reveal, for example, wording to alert the child or caregiver of the high temperature.
  • textiles coupled to such a device include a gown, sleeper or shirt Normal bod ⁇ temperature is about 37 degrees C
  • a rise in the temperature, shown b ⁇ the change in condition on the indicator de ⁇ ice indicates a rise in the child ' s skin temperature, which can indicate o ⁇ erheating, risk of fe ⁇ er de ⁇ elopment. etc
  • the indicator de ⁇ ices as illustrated in these figures change in response to different temperature conditions Other indicator de ⁇ ices and corresponding temperature conditions are contemplated
  • the indicator de ⁇ ice can be used to indicate changes in the temperature of fluids such as bath w ater or drinking fluids
  • the indicator de ⁇ ice is in contact with the fluid As the temperature of the fluid changes, so do the s ⁇ mbols or icons on the de ⁇ ice w hich is in contact w ith the fluid
  • textiles coupled to such a de ⁇ ice include a bathmit. bib and w ashcloth
  • the indicator de ⁇ ices as illustrated in these figures change in response to different temperature conditions Other indicator de ⁇ ices and corresponding temperature conditions are contemplated
  • the indicator de ⁇ ice indicates changes in the UV radiation so as to alert the w earer and others as to the likelihood of UV exposure As the relat ⁇ e amount of
  • UV radiation exposure to the de ⁇ ice increases, for example, a sy mbol or icon of the sun ma ⁇ become darker and more pronounced
  • textiles include swim w ear, a blanket, bod ⁇ suit and knit cap
  • the indicator de ⁇ ices as illustrated in these figures change in response to different UV conditions In one embodiment, a UV Index of 2 or less is considered low , 2-4 is considered moderate and 4 to 10 or higher is considered high to extremel ⁇ high Other indicator de ⁇ ices and corresponding UV conditions are contemplated
  • the transition substances used in the process of the in ⁇ ention are configured to change in the presence of or in response to a change in the condition/state
  • the transition substance can be a material that is respons ⁇ e to changes in temperature, light, ultra ⁇ iolet radiation, changes in pressure, changes in atmospheric composition (e g the presence or absence of certain gasses in the surrounding air), changes in moisture le ⁇ el. changes in magnetic fields, etc
  • the response of the transition substance to a change in a state is a ⁇ isual change, such as colour change, reflecti ⁇ it ⁇ change, or a transition from opaque to transparent
  • the transition substance is configured to change re ⁇ ersibh in response to a change in a condition/state
  • the transition substance can change colour in the presence of a stimulus which changes the condition/state and upon remo ⁇ al of the stimulus the transition substance can re ⁇ ert to its original colour
  • the transition substance is configured to irre ⁇ ersibh change in response to a change in a condition Upon the change of the transition substance as a result of a change in the condition, the transition substance is not capable of re ⁇ erting to its original state For example, if the transition substance changed colour due to a change in the condition, this colour change is permanent
  • the transition substance is configured to respond to a change in a condition b ⁇ changing from one ⁇ isual representation to another
  • the transition substance maj respond to a change in a condition/state b ⁇ changing from one colour to another, or from one le ⁇ el of reflect ⁇ I ⁇ to another
  • the transition substance is configured to respond to changes in a condition/state in ⁇ an ing ranges, increments, or predetermined incremental steps
  • the transition substance ma ⁇ respond to incremental changes in temperature b ⁇ shifting through multiple changes in colour or shades of a particular colour
  • an incremental change in temperature can correspond to a specific colour or a specific shade of a particular colour, for the transition substance such that w hen the transition substance is w ithin a particular temperature range or increment, it is a specific colour
  • a transition substance maj appear blue at a cold temperature, ⁇ ellow as a w arm temperature and red at a hot temperature
  • a transition substance maj appear white at a first UV radiation le ⁇ el, light blue at a UV radiation le ⁇ el denoting a UV index of 5, and na ⁇ blue at a UV radiation le ⁇ el denoted a UV index of 7
  • the transition substance is configured to transform upon reaching a particular temperature or a particular UV le ⁇ el
  • the transition substance is configured to be respons ⁇ e to stimulus resulting in a predetermined change in a condition/state, wherein the change is identified b ⁇ a particular threshold
  • the condition is temperature
  • the transition substance can be configured to be respons ⁇ e to a particular temperature and therefore a change in the condition is represented b ⁇ a temperature abo ⁇ e or below the selected particular temperature
  • the present in ⁇ ention can be used to e ⁇ sine bod ⁇ temperature
  • the transition substance can be configured to be respons ⁇ e when bod ⁇ heat reaches a particular le ⁇ el, which can be defined as a fe ⁇ er for example
  • the definition of a particular threshold for other conditions w ould be readih understood b ⁇ a w orker skilled in the art
  • a threshold defining a particular ultra ⁇ iolet radiation le ⁇ el, a particular pressure le ⁇ el or a particular moisture
  • the transition substance is combined with other elements or substances so as to produce an additional result when the transition substance changes
  • additional substances are, for example, magnetic substances, exothermic substances, luminescent substances, and the like
  • the transition substance is applied in predetermined forms, shapes, and sizes
  • the transition substance can be applied to the textile such that a predetermined image is created, wherein this predetermined image ma ⁇ or ma ⁇ not be ⁇ isible in one of the original state, or changed state of the transition substance, when a condition is changed
  • the transition substance is transparent upon initial coupling with the fabric material and upon interaction with a stimulus which changes the condition, the transition substance becomes a particular colour
  • the transition substance can change colour, for example from ⁇ ellow to red in response to a change in a condition, or other identifiable changes in the transition substance as w ould be readih understood b ⁇ a w orker skilled in the art
  • the transition substance is applied in a predetermined shape that is eas> to read and understand
  • the transition substance maj be formed in a predetermined shape which ma ⁇ be eas> to understand regardless of htera ⁇ and colour-blindness
  • the transition substance is integrated into clothing, wherein the transition substance is configured to e ⁇ coe a condition associated with the w earer
  • the transition substance, when integrated into clothing is configured to not ad ⁇ erseh affect the comfort of the w earer
  • the preconfigured shape in which the transition substance is coupled to the fabric material is representat ⁇ e of the particular condition for which the transition substance is respons ⁇ e to changes
  • the transition substance can be configured in the shape of the sun, as in Figs 4a and 4b
  • the transition substance can be configured in the shape of a thermometer, as in Figs 2a and 2b, or in the shape of a water droplet, as in Figs 3a and 3b
  • a w orker skilled in the art w ould readih understand a ⁇ ariet ⁇ of different shapes in which the transition substance can be configured for coupling to the fabric material, wherein the condition is represented b ⁇ the shape
  • the preconfigured shape of the transition substance maj be that of a geometrical shape such as a square, circle, triangle, rectangle, and the like, wherein a change in a condition can be indicated b ⁇ the appearance or disappearance of the geometrical shape
  • the preconfigured shape and size of the transition substance is based on the number of changes in a condition that the transition substance is respons ⁇ e to
  • the preconfigured shape and size of the transition substance can be selected to respond to one or more incremental changes in a condition such as the intensity of UV radiation le ⁇ el
  • the response to each radiation le ⁇ el w ould be indicated b ⁇ a different region of the transition substance
  • the transition substance is a thermochromic substance
  • the thermochromic substance is a thermochromic ink or d ⁇ e
  • thermochromic substances are liquid en stals and leucod ⁇ es
  • both classes of substances are encapsulated in suitable microcapsules
  • Liquid en stals change the en stal structures as the temperature rises and results in colourless materials
  • Leucod ⁇ es require a combination of chemicals w orking together to change colours
  • This S ⁇ stem is usualh protected in microcapsules at 3-5 microns
  • the temperature to cause colour change ranges from -15°C (5°F) to 65°C (149°F) depending on the thermochromic inks It takes 2-4°C to change to clear Leu ⁇ xh es can withstand temperatures up to 250 0 C, which is sufficient for com entional d ⁇ eing processes
  • the transition substance is a photochromic substance
  • the photochromic substance is a photochromic ink or d ⁇ e
  • the photochromic substance is formulated so that its threshold for colour change is ultra ⁇ iolet radiation concentrations abo ⁇ e UV index 5
  • the condition is the concentration of UV radiation and the threshold is the amount of UV radiation hkeh to cause sunburn
  • the photochromic substance is formulated to be non-toxic when touched b ⁇ the skin or put into the mouth of a bab ⁇ or child
  • the photochromic substance is a leucod ⁇ e, which is a pow der of microcapsules This leucod ⁇ e does not contain an ⁇ phthalates
  • Photochromic inks ha ⁇ e special chemical structures
  • photochromic inks When photochromic inks are exposed to a UV light source, it causes the inks to undergo a temporan chemical change in which the molecules are nearh broken in half and the colour changes
  • the UV source is remo ⁇ ed. the molecules reform their original bonding structure and the colour returns
  • Thermochromic and photochromic dyes also have low resistance to chlorine due to their chemical structures.
  • a catalyst is added to the photochromic dye to provide increased resistance against salt w ater and chlorine.
  • thermochromic and photochromic dyes examples are provided in Tables 1. 2 and 3.
  • the indicator de ⁇ ice formed b ⁇ the process of the present in ⁇ ention comprises a non-transition substance coupled to the textile
  • the non- transition substance can be applied under, o ⁇ er and/or ad)acent to the transition substance
  • the non-transition substance is applied, alone or in combination with other elements, to the textile in predetermined forms, shapes, and sizes, which are ⁇ isible either before or after the transition substance ⁇ isualh transforms upon a change in a condition
  • the non-transition substance is applied in combination with a transition substance, which transforms from transparent/colourless to a particular colour on change in a state
  • the non-transition substance w ould be ⁇ isible initialh and w ould be co ⁇ ered b ⁇ the colour of the transition substance after transformation thereof
  • the non-transition substance is applied in a predetermined shape or pattern that is eas ⁇ to read and understand
  • the preconfigured shape in which the non-transition substance is coupled to the fabric material is representat ⁇ e of the particular condition which the transition substance is respons ⁇ e to changes therein
  • the transition substance is respons ⁇ e to an ultra ⁇ iolet radiation state
  • the non-transition substance can be configured in the shape of the sun
  • the transition substance is respons ⁇ e to a temperature state
  • the non-transition substance can be configured in the
  • the non-transition substance is applied in the shape of sun when used w ith the transition substance that is photochromic
  • the non-transition substance is applied in the form of w ords, for example, ALERT, HOT ALERT, etc , when used in combination with transition substance that is thermochromic
  • the preconfigured shape of the non- transition substance ma> be that of a geometrical shape such as a square, circle, triangle, rectan 1 gSl 1 e, and the like
  • the non-transition substance is applied in a predetermined colour which is representat ⁇ e of a reference for comparison relating to the condition indicated b ⁇ the transition substance
  • the non- transition substance is applied in the form of a red outer circle and the transition substance is applied in the shape of a sun or marked as "SUN ALERT " , wherein the transition substance is im isible or colourless in the absence of light and/or UV radiations and assumes the red colour of same or similar intensity as the outer circle to indicate the relat ⁇ eh higher le ⁇ els of UV radiations upon exposure to same
  • ft pes of non-transition substances known in the art can be used in the process of the present in ⁇ ention Such substances include, but are not limited to react ⁇ e d ⁇ es, direct d ⁇ es, ⁇ at d ⁇ es and pigments etc
  • the textile or fabric material is coated with an acrylic coating before the step of applying the non-transition substance and/or transition substance.
  • the acrylic coating is applied to impart strength to the material for handling during the coupling process and to improve the w ash fastness of the indicator device under various washing conditions, for example including bleaching or dry cleaning.
  • acrylic coatings known in the art can be used in the process of the present invention.
  • Non limiting examples of such acrylic coatings include pory(methyl methacn late) [PMMA], poly (butyl methacn late) (PBMA), poly (ethyl methacrylate (PEMA), and poly (ethyl methacn late-co-butyl methacn late) [P (EMA-BMA)] etc.
  • the textile material is coated with a polymer coating after applying the transition substance and/or non-transition substance.
  • the polymer coating to applied to improve the durability of the indicator device, in particular under various w ashing conditions, exposure to van ing temperatures, light and/or heat.
  • Non limiting examples of such polymer coatings include, poh butadiene, poh butadiene derivatives, polyurethane, polvurethane derivatives, styrene-butadiene, acn lonitrilebutadiene, acn lonitrile-butadiene-styrene, acn lonitrile-ethylene-styrene, poh acn lates, poh chloroprene, ethylene-vinyl acetate, etc.
  • the textile or fabric material used in the process of the present invention can be a natural or man-made type sheet of material, for example a cotton material (100% cotton, poh /cotton blend), poh ester material, nylon material, acn lie, rayon, felt material, leather material, w ool material, hemp material, plastic material, or vinyl material.
  • a cotton material (100% cotton, poh /cotton blend), poh ester material, nylon material, acn lie, rayon, felt material, leather material, w ool material, hemp material, plastic material, or vinyl material.
  • Suitable labels can include vinyl or fabric patches, 100% cotton label tape, 100% poh ester label tape with fused or w oven edges, or label tapes that are blends of poh ester and cotton or other label configurations as w ould be know n to a w orker skilled in the art.
  • the colour of the fabric material is neutral
  • the fabric material is coloured
  • the selection of the colour of the fabric material can be based on the predetermined shape of the transition substance, and/or the specific transition substance to be coupled to the fabric material For example, the colour of the fabric material can be chosen to be the same as that of the transition material before it has changed and to contrast with the colour of the transition material after it has changed in response to stimulus
  • the process of the present in ⁇ ention in ⁇ oh e s a process for making a roll of labels for affixing to articles for determining, for example, whether the temperature of bath w ater is too high
  • This process in ⁇ oh es pro ⁇ iding a roll of cotton ribbon that is coated with acn lic coating
  • a non-transition d ⁇ e is then applied on the ribbon in the form the w ord ALERT using silk screen ha ⁇ ing a mesh size of 60-200 mesh w ith a constant, gentle and e ⁇ en pressure
  • the d ⁇ ed area of the roll is then dried w ith dn air for 10-15 seconds
  • the coloured (e g , blue or ⁇ iolet) thermochromic d ⁇ e is applied in the form of a w ater droplet on the labels o ⁇ er the w ord ALERT
  • the thermochromic d ⁇ e is also applied using the silk screen ha ⁇
  • the process of the present invention involves a process for making a roll of labels for affixing to articles of clothing to identity whether a person ' s bod ⁇ temperature is above normal.
  • This process involves providing a roll of cotton ribbon that is coated with acrylic coating.
  • a non-transition dye is then applied on the ribbon in the form of the word ALERT using silk screen having a mesh size of 60-200 mesh with a constant, gentle and even pressure.
  • the dyed area of the roll is then dried w ith dry air for 10-15 seconds.
  • the coloured (e.g., blue or violet) thermochromic dye is applied in the form of a thermometer on the labels over the word ALERT.
  • thermochromic dye is also applied using the silk screen having a mesh size of 60-200 mesh with a constant, gentle and even pressure. After applying the thermochromic dye, the dyed areas of the labels are dried again w ith hot air for 10-15 seconds. Then the label roll is coated with ACRAMINTM or APPRETANTM using the silk screen having a mesh size of 100-200 mesh. After applying the polymer coating the ribbon is passed over a heating plate at temperatures and times ranging from about 200 0 F for 10 seconds to about 300 0 F for 7seconds to pre-cure the ribbon. The ribbon is then rolled again and cured in a curing oven at a temperature of about 350 0 F for 2.5 hours. Finally the ribbon is unrolled and passed through an electric heater tunnel for about a minute at 350 0 F. .
  • thermochromic transition dye is coloured at a normal bod ⁇ temperature, and loses its colour to reveal the non-transition dye ALERT image below, as the bod ⁇ temperature approaches 38 0 C (Fig. 2a).
  • the dye does not completely lose its colour, but reveals the non-transition dye ALERT image below, as the bod ⁇ temperature approaches 38 0 C (Fig. 2b).
  • Example 3 the process of the present invention involves a process for making a roll of labels to indicate high levels of UV exposure.
  • This process involves providing a roll of cotton ribbon that is coated with acrylic coating.
  • a non-transition dye is then applied on the ribbon in the form of a pink circle using silk screen having a mesh size of 60-200 mesh with a constant, gentle and even pressure.
  • the dyed area of the roll is then dried with dry air for 10-15 seconds.
  • the photochromic dye is applied on the labels in the shape of a sun, within the pink outer circle.
  • the photochromic dye is also applied using the silk screen having a mesh size of 60-200 mesh with a constant, gentle and even pressure.
  • the dyed areas of the labels are dried again with hot air for 10-15 seconds.
  • the label roll is coated with ACRAMINTM or APPRETANTM using the silk screen having a mesh size of 100- 200 mesh.
  • the ribbon is passed over a heating plate at temperatures and times ranging from about 200 0 F for 10 seconds to about 300 0 F for 7seconds to pre-cure the ribbon.
  • the ribbon is then rolled again and cured in a curing oven at a temperature of about 350 0 F for 2.5 hours. Finally the ribbon is unrolled and passed through an electric heater tunnel for about a minute at 350 0 F. .
  • the photochromic transition dye is non-coloured at a low level of UV exposure, and becomes coloured as the level of UV exposure increases to indicate a level of UV exposure beyond an acceptable threshold level, for example at UV index 4 - 10 and higher, as illustrated in Figs. 4a and 4b.
  • thermochromic and photochromic inks greatly improved the colour fastness of thermochromic and photochromic inks to dry cleaning and laundering.
  • Colour fastness to dry cleaning was tested by the standard test method CAN/CGSB 4.2 No. 29.1-M89, and the colour change after dry cleaning w as evaluated by the AATCC grey scale. Test results are shown in Table 4.
  • thermochromic inks increased the time of the colour change by approximately 1-2 seconds.
  • thermochromic inks did not improve the colour fastness of thermochromic inks to UV exposure. How ever, a worker skilled in the art w ill appreciate that the addition of a UV absorber w ill improve the colour fastness of thermochromic inks to UV exposure
  • thermochromic and photochrome d ⁇ es it w as obsen ed that the additional step in the dn ing process of passing the ribbon through an electric heater tunnel for minute at 350 0 F pro ⁇ ides impro ⁇ ed scratch resistance
  • thermochromic d ⁇ e it w as also obsen ed during testing, that w hen the temperature of the coating exceeds the recommend temperature for the thermochromic d ⁇ e, the thermochromic d ⁇ e might o ⁇ erheat and become contaminated Such contamination w as obsen ed to cause an undesired colour change in the thermochromic indicator

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)

Abstract

L’invention concerne un procédé de fabrication d’un dispositif indicateur comprenant au moins une substance de transition accouplée à un textile ou à un tissu. Le procédé comprend les étapes consistant à appliquer au moins une substance de transition sur le textile puis à appliquer un revêtement polymère sur la substance de transition et à faire durcir le textile revêtu. Le dispositif indicateur peut ensuite être soumis à un lavage, un nettoyage à sec, un blanchiment ou à une exposition à la chaleur et/ou à la lumière.
PCT/CA2009/000896 2008-07-08 2009-07-08 Procédé de fabrication d’un dispositif indicateur comprenant une substance de transition accouplée à un textile WO2010003222A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,637,105 2008-07-08
CA002637105A CA2637105A1 (fr) 2007-09-27 2008-07-08 Procede de fabrication de dispositif indicateur comprenant une substance de transition couplee a un textile

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WO2010003222A2 true WO2010003222A2 (fr) 2010-01-14
WO2010003222A3 WO2010003222A3 (fr) 2010-03-04

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US20160023455A1 (en) * 2014-07-28 2016-01-28 Protect Me Alert Series Device and method for identifying a change in a predetermined condition
US20200249362A1 (en) * 2017-08-28 2020-08-06 Target Systemelektronik Gmbh & Co. Kg Plastic scintillator based on an organic polyaddition product

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US9121776B2 (en) 2009-11-13 2015-09-01 Lincoln Global, Inc. Welding arc apparel with UV or thermochromic activated images
DE202013012121U1 (de) * 2012-10-05 2015-08-03 Lincoln Global, Inc. Schweißlichtbogenkleidung mit UV- oder Thermochrom aktivierten Bildern

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US6916537B2 (en) * 2001-11-01 2005-07-12 Transitions Optical Inc. Articles having a photochromic polymeric coating
CN101058946A (zh) * 2007-04-29 2007-10-24 浙江理工大学 光致变色印花涂层织物的制备工艺

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JP3200714B2 (ja) * 1992-10-26 2001-08-20 パイロットインキ株式会社 熱変色性布帛及びその製造方法

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US6504161B1 (en) * 1999-09-10 2003-01-07 Sunspots, Inc. Radiation indicator device
JP2002004181A (ja) * 2000-06-16 2002-01-09 Pilot Ink Co Ltd 熱変色性布帛
US6916537B2 (en) * 2001-11-01 2005-07-12 Transitions Optical Inc. Articles having a photochromic polymeric coating
CN101058946A (zh) * 2007-04-29 2007-10-24 浙江理工大学 光致变色印花涂层织物的制备工艺

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* Cited by examiner, † Cited by third party
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US20160023455A1 (en) * 2014-07-28 2016-01-28 Protect Me Alert Series Device and method for identifying a change in a predetermined condition
US9636905B2 (en) * 2014-07-28 2017-05-02 8372683 Canada, Inc. Device and method for identifying a change in a predetermined condition
US20200249362A1 (en) * 2017-08-28 2020-08-06 Target Systemelektronik Gmbh & Co. Kg Plastic scintillator based on an organic polyaddition product
US11914085B2 (en) * 2017-08-28 2024-02-27 Target Systemelektronik Gmbh & Co. Kg Plastic scintillator based on an organic polyaddition product

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WO2010003222A3 (fr) 2010-03-04

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