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JP-2026514384-A - Non-fluorine-based anti-fingerprint coating

JP2026514384AJP 2026514384 AJP2026514384 AJP 2026514384AJP-2026514384-A

Abstract

Compositions (e.g., coatings) containing fingerprint-inhibiting materials, as well as related articles, methods, and kits, are generally described. In some embodiments, a coating comprises a fingerprint-inhibiting material configured to reduce, inhibit, and/or prevent fingerprint adhesion on a surface to which the coating is applied. In some embodiments, the fingerprint-inhibiting properties of a coating (e.g., an anti-fingerprint coating) may be provided by a silane compound containing a polysiloxane that reduces the surface energy of the surface to which the coating is applied and makes the coating hydrophobic and/or oleophobic. According to some embodiments, in addition to providing fingerprint resistance, the coating may be chemically inert, mechanically robust, optically clear, and/or slippery. [Selection Diagram] None

Inventors

  • ツァン、 ボン ジュン
  • プラニク、 ニキル
  • サルヒ、 フアード

Assignees

  • ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン

Dates

Publication Date
20260511
Application Date
20240328
Priority Date
20230328

Claims (20)

  1. A composition comprising a fingerprint-inhibiting material containing a silane compound, The silane compound includes a polysiloxane. The aforementioned fingerprint-inhibiting material is non-fluorine-based, and A composition having a water contact angle of 95° or more.
  2. The composition according to claim 1, wherein the molecular weight of the silane compound is 500 Da or more and 50,000 Da or less.
  3. The composition according to any one of claims 1 to 2, wherein the water contact angle of the composition is 180° or less.
  4. The composition according to any one of claims 1 to 3, wherein the water contact angle decreases by 50% or less after 5,000 linear wear cycles.
  5. The composition according to any one of claims 1 to 4, wherein the water contact angle decreases by 10% or less after 5,000 linear wear cycles.
  6. The composition according to any one of claims 1 to 5, wherein the diiodomethane contact angle of the composition is 55° or more and 180° or less.
  7. The composition according to claim 6, wherein the diiodomethane contact angle decreases by 50% or less after 5,000 linear wear cycles.
  8. The composition according to any one of claims 6 to 7, wherein the diiodomethane contact angle decreases by 10% or less after 5,000 linear wear cycles.
  9. The composition according to any one of claims 1 to 8, wherein the coefficient of friction of the composition is 0.15 or less.
  10. The composition according to any one of claims 1 to 9, wherein the coefficient of friction of the composition is 0.1 or less.
  11. The composition according to any one of claims 1 to 10, wherein the coefficient of friction of the composition is 0.05 or less.
  12. The composition according to any one of claims 1 to 11, wherein the light transmittance of the coating is 90% or more.
  13. The silane compound has the following structure: (In the formula, Each R1 is either the same or different and is selected from the group consisting of oxygen, -C1- C10alkylene- , -C2- C10alkenylene- , and -C3 - C10alkylene- . Each R2 is either the same or different and is selected from the group consisting of hydrogen, deuterium, -C1 - C10 alkyl, -C2 - C10 alkenyl, -C3 - C10 alkynyl, halogen, and OR3 . Each R3 is either the same or different and is selected from the group consisting of hydrogen, deuterium, -C1 - C10 alkyl, -C2 - C10 alkenyl, -C3 - C10 alkynyl, and -Si( R2 ) 3 . Each R4 , R4 ′ and R4 ″ is either the same or different, and can be hydrogen, deuterium, -C1 - C10 alkyl, -C2 - C10 alkenyl, -C3 - C10 alkynyl, OR3 , -C1 - C10 alkylene-Si( OR3 ) 3 , -C2 - C10 alkenylene-Si( OR3 ) 3 , -C3 - C10 alkynylene-Si( OR3 ) 3 , -C1 - C10 alkylene-(Si( OR3 ) 3 ) 2 , -C2 -C10 alkenylene- (Si( OR3 ) 3 ) 2 , -C3 - C10 alkynylene-(Si( OR3 ) 3 ) 2 Selected from the group consisting of -C1 - C10alkylene -Si( R2 ) 2- ( R1 )-(( R2 ) 2 -Si-O) z -Si( R2 ) 3 , -C2 - C10alkenylene-Si( R2 ) 2- ( R1 )-(( R2 ) 2 -Si-O) z -Si( R2 ) 3 , and -C3 -C10alkylene-Si( R2 ) 2- ( R1 )-(( R2 ) 2 -Si-O) z -Si( R2 ) 3 , R5 is selected from the group consisting of R2 and -R6 -R7 -R8 , where R6 is selected from the group consisting of -C1- C10alkylene- , -C2 - C10alkenylene- , and -C3 -C10alkylene-, R7 is selected from the group consisting of oxygen and sulfur, and R8 is selected from the group consisting of -C10 - C20alkylene -Si( OR3 ) 3 , -C10 - C20alkenylene -Si(OR3)3 , and -C10 - C20alkylene -Si( OR3 ) 3 . x and y are independently either 0 or 1. z is 1 or greater, and m, n, and/or p are 0 or greater, provided that at least one of m, n, or p is 2 or greater. A composition according to any one of claims 1 to 12, comprising:
  14. The composition according to claim 13, wherein m is 0 or more and 1,000 or less.
  15. A composition according to any one of claims 13 to 14, wherein m is 10 or more and 400 or less.
  16. A composition according to any one of claims 13 to 15, wherein n is 0 or greater and 1,000 or less.
  17. The composition according to any one of claims 13 to 16, wherein n is 10 or more and 400 or less.
  18. The composition according to any one of claims 13 to 17, wherein p is 0 or more and 1,000 or less.
  19. A composition according to any one of claims 13 to 18, wherein p is 10 or more and 400 or less.
  20. The composition according to any one of claims 1 to 19, wherein the polysiloxane comprises polydimethylsiloxane and/or silicon hydride.

Description

Compositions containing fingerprint-inhibiting materials (e.g., coatings), as well as related articles, methods, and kits, are generally described. Fingerprint-resistant coatings are used to suppress the adhesion of fingerprints on the surface to which the coating is applied. Conventional fingerprint-resistant materials used in coatings contain fluorinated components that have toxicity and bioaccumulation problems, limiting the large-scale application of the material. Therefore, improved compositions, as well as related articles, methods, and kits, are needed. Compositions (e.g., coatings) containing fingerprint-inhibiting materials, as well as related articles, methods, and kits, are generally described. In some cases, the subject matter of the present invention relates to interrelated articles, alternative solutions to specific problems, and/or multiple different applications of one or more systems and/or articles. According to one embodiment, a composition is described comprising a fingerprint-inhibiting material containing a silane compound, wherein the silane compound contains a polysiloxane, the fingerprint-inhibiting material is non-fluorinated, and the water contact angle of the composition is 95° or greater. In some embodiments, a composition is described comprising a fingerprint-inhibiting material containing a silane compound, wherein the silane compound comprises a polysiloxane and an ether or thioether, and the fingerprint-inhibiting material is non-fluorinated. Other advantages and novel features of the present invention will become apparent from the following detailed description of various non-limiting embodiments of the invention, which will be considered in conjunction with the accompanying drawings. In the event that this specification and any reference incorporated herein contain conflicting and/or contradictory disclosures, this specification shall prevail. Non-limiting embodiments of the present invention are described illustratively with reference to the accompanying drawings, which are schematic and not intended to be drawn to scale. In the drawings, each identical or substantially identical component shown is usually represented by a single number. For clarity, not all components are referenced in all drawings, and not all components of each embodiment are shown where illustration is not necessary for those skilled in the art to understand the invention. In the drawings, the following are shown: Figure 1 shows a schematic diagram of an exemplary article according to one embodiment; Figure 2 shows a schematic diagram of an exemplary method for coating a substrate according to one embodiment; Figure 3A shows the water contact angles of TMS Di-10, TMS Di-50, and TMS Di-400 before and after 3,000 eraser linear wear cycles according to one embodiment; Figure 3B shows the diiodomethane contact angles of TMS Di-10, TMS Di-50, and TMS Di-400 before and after 3,000 eraser linear wear cycles according to one embodiment; Figure 4 shows the molecular weight distribution of the reaction product of TMS Di-10 and dibutyltin dilaurate (DBTDL) in comparison to TMS Di-10, according to one embodiment; Figure 5A shows, according to one embodiment, the water contact angle of the reaction product between TMS Di-10 and DBTDL before and after 3,000 eraser linear wear cycles, compared to TMS Di-10; Figure 5B shows, according to one embodiment, the diiodomethane contact angle of the reaction product between TMS Di-10 and DBTDL before and after 3,000 eraser linear wear cycles, compared to TMS Di-10; Figure 6A shows, according to one embodiment, the water contact angles of the reaction products of TMS-Di-10 and DBTDL in a 90:10 weight ratio before and after 3,000 linear eraser wear cycles, compared to TMS-Di-10; Figure 6B shows, according to one embodiment, the diiodomethane contact angle of the reaction product of TMD-Di 10 and DBTDL in a 90:10 weight ratio before and after 3,000 eraser linear wear cycles, compared to TMS-Di-10; Figure 7A shows a schematic diagram of the synthesis of a silane compound containing a thioether according to one embodiment. Figure 7B shows a schematic diagram of the synthesis of a silane compound containing a thioether according to one embodiment. Figure 8A shows the coefficient of friction (CoF) and color difference (ΔE) of various compositions according to one embodiment; Figure 8B shows the water contact angles of various compositions before and after 3,000 wear cycles according to one embodiment; Figure 8C shows the diiodomethane contact angles of various compositions before and after 3,000 linear wear cycles according to one embodiment; Figure 9A shows the initial water contact angles and diiodomethane contact angles of various compositions containing silane compounds according to one embodiment; Figure 9B shows the water contact angles and diiodomethane contact angles of various compositions containing silane compounds after 5,000 linear wear cycles, according to one embodim