WO2023010026A1 - Films multicouches destinés à être utilisés dans des coussins d'air et des articles chaussants - Google Patents

Films multicouches destinés à être utilisés dans des coussins d'air et des articles chaussants Download PDF

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Publication number
WO2023010026A1
WO2023010026A1 PCT/US2022/074174 US2022074174W WO2023010026A1 WO 2023010026 A1 WO2023010026 A1 WO 2023010026A1 US 2022074174 W US2022074174 W US 2022074174W WO 2023010026 A1 WO2023010026 A1 WO 2023010026A1
Authority
WO
WIPO (PCT)
Prior art keywords
layers
gas
article
barrier
thermoplastic
Prior art date
Application number
PCT/US2022/074174
Other languages
English (en)
Inventor
Diya Bandyopadhyay
Narayanan Ashwin Kumar BHARADWAJ
Yihua Chang
Christopher J. DIMITRIOU
Nancy D. EISENMENGER
Adrian M. LAHSENE
Sharon Oba
Richard L. Watkins
Original Assignee
Nike, Inc.
Nike Innovate C.V.
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 Nike, Inc., Nike Innovate C.V. filed Critical Nike, Inc.
Priority to CN202280043168.3A priority Critical patent/CN117500403A/zh
Priority to EP22757793.9A priority patent/EP4355161A1/fr
Publication of WO2023010026A1 publication Critical patent/WO2023010026A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188—Differential cushioning regions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/028—Resilient uppers, e.g. shock absorbing
    • A43B23/029—Pneumatic upper, e.g. gas filled

Definitions

  • the present disclosure is directed to the multi-layered film of aspect 1, wherein the number of gas-barrier layers in each of the one or more core regions is in a range of from about 20 to about 70; optionally, wherein each of the one or more core regions comprises at least about 40 layers, optionally from about 50 to about 100 layers, from about 50 to about 90 layers, from about 50 to about 80 layers, from about 50 to about 70 layers, from about 60 to about 100 layers, from about 60 to about 90 layers, or from about 60 to about 80 layers.
  • the present disclosure is directed to the multi-layered film of any one of the preceding aspects, wherein the gas-barrier material comprises or consists essentially of one or more gas-barrier polymers, and wherein the gas-barrier material comprises a gas-barrier polymeric component consisting of all polymers present in the gas-barrier material.
  • the present disclosure is directed to the multi-layered film of any one of the preceding aspects, wherein the elastomeric material comprises or consists essentially of one or more thermoplastic elastomeric polymers, and wherein the elastomeric material comprises an elastomeric polymeric component consisting of all polymers present in the elastomeric material.
  • the present disclosure is directed to the multi-layered film of any one of the preceding aspects, wherein the gas-barrier material has a melt flow index of from about 5 to about 7 grams per 10 minutes at 190 degrees Celsius when using a weight of 2.16 kilograms.
  • the present disclosure is directed to a multi-layered film produced by the method of any one of aspects 62-66.
  • the present disclosure is directed to the article of any one of aspects 76 or 77, wherein the multi-layered film of the article comprises a first cap layer, a first structural layer, a first tie layer, a core region, a second tie layer, a second structural layer, and a second cap layer, wherein the first cap layer inner surface contacts the first surface of the first structural layer, the second surface of the first structural layer contacts the first surface of the first tie layer, the second surface of the first tie layer contacts the first surface of the core region, the second surface of the core region contacts the first surface of the second tie layer, the second surface of the second tie layer contacts the first surface of the second structural layer, and the second surface of the second structural layer contacts the inner layer of the second cap layer.
  • the present disclosure is directed to a consumer product produced by the method of aspect 87.
  • the present disclosure is directed to the bladder of aspect 126, wherein the fourth chamber is spaced apart from the third leg and the fourth leg.
  • the present disclosure is directed to the bladder of aspect 126 or 127, wherein at least one of the third chamber or the fourth chamber is elongate.
  • the present disclosure is directed to the bladder of any one of aspects 117-128, further comprising a web area defining the first chamber and the second chamber.
  • the present disclosure is directed to a method for applying a decorative element to the multi-layered film of any one of aspects 1-61 or 67 or the bladder of any one of aspects 96-134, wherein the method comprises applying the decorative element by printing, painting, brushing, or spraying the decorative element onto the multi layered film or bladder; or dipping the multi-layered film or bladder into the decorative element; or pressing the decorative element and the multi-layered film or bladder together, wherein the decorative element is in the form of a solid, a liquid, or a gas when applied to the multi-layered film or bladder, optionally wherein the decorative element comprises a pigment or a dye or both a pigment and a dye.
  • the present disclosure is directed to the bladder of aspect 148 or 149, wherein the textile is a spacer textile having a first textile face, a second textile face, and a textile thickness extending from the first textile face to the second textile face, wherein the textile thickness is from about 0.3 centimeters to about 3 centimeters, or from about 0.5 centimeters to about 1 centimeter, optionally wherein a fiber density of the first textile face and the second textile face is at least 25 percent greater, or at least 50 percent greater, or at least 75 percent greater than a fiber density between the first textile face and the second textile face.
  • the present disclosure is directed to the article of footwear of aspect 191, wherein the multi-layered film is configured such that, after 2 years of use, the airsole retains an inflation pressure of at least about 70 percent of the initial inflation pressure, of at least 80 percent of the initial inflation pressure, or of at least 90 percent of the initial inflation pressure.
  • bonding comprises adhesively bonding or thermally bonding, optionally wherein the first sheet and the second sheet include a thermal bond formed by radio frequency (RF) welding.
  • RF radio frequency
  • the multi-layered film forms an external-facing layer of the cushioning element and is effective at retaining a fluid in the cushioning element.
  • the cushioning element is a component of a consumer good such as an article of footwear, apparel, or sporting equipment.
  • the cushioning element is a cushioning element for an article of footwear, and the cushioning element for the article of footwear is an airsole.
  • the hard segments can be derived from aliphatic polyisocyanates, or from organic isocyanates, or from a mixture of both.
  • the soft segments can be derived from saturated polyols, or from unsaturated polyols such as poly diene polyols, or from a mixture of both.
  • soft segments derived from one or more poly diene polyols can facilitate bonding between the rubber and the film when the rubber and the film are crosslinked in contact with each other, such as in a vulcanization process.
  • heel portion 1038 is a bulbous, protruding portion having a height 1046 in an uncompressed state, where the height 1046 is distance from the top of the airsole 1036 at the chassis 1034 to the bottom of the airsole 1036 at the outsole 1032 as taken along an axis 1048 that is a vertical axis perpendicular to the surface 1044 when the footwear 1010 is resting upright on the surface 1044.
  • suitable heights 1046 can range from about 10 to about 24 millimeters, from about 10 to 20 millimeters, or from about 15 to about 24 millimeters.
  • Heel portion 1038 further protrudes rearwardly from the chassis 1034 by a distance 1050 in a direction along or parallel to axis A1010.
  • a point 1052 can be defined as a furthest rearward point on heel portion 1038 along axis A1010.
  • the extent of the bulbous, protruding geometry of the heel portion 1038 can be defined by two vectors. These two vectors include a first vector 1054, which begins at point 1052 and extends through a rearward-most contact point 1056 between the chassis 1034 and the airsole 1036, and a second vector 1058 begins at point 1052 and extends through a rearward-most contact point 1060 between the outsole 1032 and the airsole 1036.
  • the height 1046 in the uncompressed state is greater than the height 1064 in the compressed state.
  • suitable differences in heights 1046 and 1064 range from about 1.4 millimeters to about 10.4 millimeters, as measured by the Load Compression Test Protocol described in the Property Analysis and Characterization Procedures section herein.
  • the height 1064 in the compressed state ranges from about 56.7 percent to about 86.0 percent of the height 1046 in the uncompressed state, as measured by the Load Compression Test Protocol.
  • the blended material is a phase-separated blend of the one or more additional thermoplastic elastomers and the one or more second thermoplastics.
  • the phase-separated blend includes one or more phase-separated regions including interfaces between the one or more additional thermoplastic elastomers and the one or more second thermoplastics.
  • the blend comprises about 95 percent by weight of the one or more second thermoplastics and about 5 percent by weight of the one or more second thermoplastics based on a total weight of the blend.
  • the recycled material comprises about 99 percent to about 90 percent by weight of the one or more recycled thermoplastic elastomers and about 1 percent to about 10 percent by weight of the one or more second thermoplastics based on a total weight of the recycled material, optionally wherein the recycled material comprises about 99 percent to about 93 percent by weight of the one or more recycled thermoplastic elastomers and about 1 percent to about 7 percent by weight of the one or more second thermoplastics, or about 99 percent to about 95 percent by weight of the one or more recycled thermoplastic elastomers and about 1 percent to about 5 percent by weight of the one or more second thermoplastic elastomers.
  • a first surface of a first one of the one or more tie layers is in contact with a second surface of a first one of the one or more structural layers, and the second surface of the first one of the one or more tie layers is in contact with a first surface of a core region, or wherein a first surface of a second one of the one or more tie layers is in contact with a second surface of one of the one or more core regions, and the second surface of the second one of the one or more tie layers is in contact with a first surface of a second one of the one or more structural layers, or both.
  • the bladder can be subj ected to a thermoforming step, optionally wherein thermoforming occurs before inflation of the bladder, or wherein the thermoforming step occurs simultaneously with the inflation of the bladder, or wherein the thermoforming step occurs after the inflation of the bladder.
  • thermoforming the bladder can impart one or more structural or other properties to the bladder, such as three- dimensional shape or structure, rigidity, abrasion resistance, water resistance, or the like, to one or more portions of the bladder.
  • the thermoforming process can be useful in imparting a texture to the bladder, wherein the texture can be decorative, functional, or both decorative and functional.
  • the multi-layered film can cover the entire inner surface of the tire including the sidewalls (shown). In an alternative aspect, the multi-layered film can cover a portion of the tire.
  • the disclosed tires can incorporate tubes or can be tubeless tires and can further include any other layers commonly associated with a particular use (e.g. belts, noise reduction devices, and the like, for automobile tires) in addition to the disclosed multi-layered films.
  • FIG. 13A shows the GTRs measured for the Control Bladder (bottom curve) and for the First Test Bladder (middle curve), and for the Third Test Bladder (top curve) after the indicated number of KIM cycles.
  • FIG. 13A also shows the GTR calculated as in Example 2A.
  • the measured and calculated GTRs for both the First and Third Test Bladders were all only slightly higher than for the Control Bladder and were still comfortably below the desired maximum of 3 cubic centimeters per square meter per day.
  • the calculated GTR for the First Test Bladder (2.10 cc/m 2 day) was only slightly lower than the GTR calculated for the Second Test Bladder (2.15 cc/m 2 day).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne des semelles d'air ou des vessies pour des articles chaussants comprenant des films multicouches. Selon un aspect de l'invention, les semelles d'air ou les vessies comprennent une première feuille et une seconde feuille, un premier côté de la première feuille faisant face à un second côté de la seconde feuille, la première feuille et la seconde feuille étant liées ensemble pour former une cavité interne dans un espace entre le premier côté de la première feuille et le second côté de la seconde feuille, formant une vessie apte à retenir un gaz dans la cavité interne à une pression supérieure à la pression atmosphérique, à la pression atmosphérique, ou inférieure à la pression atmosphérique ; et chacune de la première feuille et de la seconde feuille comprenant un film multicouche comprenant : une région centrale comprenant au moins 20 couches barrières aux gaz et une pluralité de couches élastomères, les couches barrières aux gaz alternant avec les couches élastomères.
PCT/US2022/074174 2021-07-27 2022-07-27 Films multicouches destinés à être utilisés dans des coussins d'air et des articles chaussants WO2023010026A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280043168.3A CN117500403A (zh) 2021-07-27 2022-07-27 用于气囊和鞋类的多层膜
EP22757793.9A EP4355161A1 (fr) 2021-07-27 2022-07-27 Films multicouches destinés à être utilisés dans des coussins d'air et des articles chaussants

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163203600P 2021-07-27 2021-07-27
US63/203,600 2021-07-27

Publications (1)

Publication Number Publication Date
WO2023010026A1 true WO2023010026A1 (fr) 2023-02-02

Family

ID=83004834

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2022/074174 WO2023010026A1 (fr) 2021-07-27 2022-07-27 Films multicouches destinés à être utilisés dans des coussins d'air et des articles chaussants

Country Status (4)

Country Link
US (1) US20230043845A1 (fr)
EP (1) EP4355161A1 (fr)
CN (1) CN117500403A (fr)
WO (1) WO2023010026A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5866058A (en) 1997-05-29 1999-02-02 Stratasys Inc. Method for rapid prototyping of solid models
US20050031816A1 (en) * 2003-08-04 2005-02-10 Yihua Chang Membranes with fluid barrier properties and articles containing such membranes
US20160075113A1 (en) * 2014-09-12 2016-03-17 Nike Innovate C.V. Membranes and uses thereof
US10149513B1 (en) 2018-01-31 2018-12-11 Nike, Inc. Sole structure for article of footwear
US20190231027A1 (en) 2018-01-31 2019-08-01 Nike, Inc. Airbag for article of footwear
US20200087512A1 (en) * 2018-09-13 2020-03-19 Nike, Inc. Multi-layered structures and uses thereof
US20200205514A1 (en) 2019-01-02 2020-07-02 Nike, Inc. Sole structure for article of footwear
US20210145119A1 (en) 2019-11-19 2021-05-20 Nike, Inc. Sole structure for article of footwear
US11019881B2 (en) 2016-03-15 2021-06-01 Nike, Inc. Sole structure for article of footwear
US11019880B2 (en) 2017-02-01 2021-06-01 Nike, Inc. Stacked cushioning arrangement for sole structure
US20210195996A1 (en) 2019-12-30 2021-07-01 Nike, Inc. Airbag for article of footwear

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW399014B (en) * 1994-08-31 2000-07-21 Nike Inc Laminated resilient flexible barrier membranes
US6790391B2 (en) * 2002-03-07 2004-09-14 Nike International, Ltd. Composition for clear gas barrier laminates
BR112013030882A2 (pt) * 2011-05-31 2016-12-06 Bridgestone Corp estrutura de camadas múltiplas, forro interno para pneumático e pneumático

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5866058A (en) 1997-05-29 1999-02-02 Stratasys Inc. Method for rapid prototyping of solid models
US20050031816A1 (en) * 2003-08-04 2005-02-10 Yihua Chang Membranes with fluid barrier properties and articles containing such membranes
US20160075113A1 (en) * 2014-09-12 2016-03-17 Nike Innovate C.V. Membranes and uses thereof
US11019881B2 (en) 2016-03-15 2021-06-01 Nike, Inc. Sole structure for article of footwear
US11019880B2 (en) 2017-02-01 2021-06-01 Nike, Inc. Stacked cushioning arrangement for sole structure
US10149513B1 (en) 2018-01-31 2018-12-11 Nike, Inc. Sole structure for article of footwear
US20190231027A1 (en) 2018-01-31 2019-08-01 Nike, Inc. Airbag for article of footwear
US20200087512A1 (en) * 2018-09-13 2020-03-19 Nike, Inc. Multi-layered structures and uses thereof
US20200205514A1 (en) 2019-01-02 2020-07-02 Nike, Inc. Sole structure for article of footwear
US20210145119A1 (en) 2019-11-19 2021-05-20 Nike, Inc. Sole structure for article of footwear
US20210195996A1 (en) 2019-12-30 2021-07-01 Nike, Inc. Airbag for article of footwear

Also Published As

Publication number Publication date
EP4355161A1 (fr) 2024-04-24
US20230043845A1 (en) 2023-02-09
CN117500403A (zh) 2024-02-02

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