JPWO2020217185A5

JPWO2020217185A5 -

Info

Publication number: JPWO2020217185A5
Application number: JP2021562808A
Authority: JP
Publication date: 2023-05-01

Description

図中の要素の説明は、別段の指示がない限り、他の図中の対応する要素に等しく適用されるものと理解されたい。本発明は、前述した特定の実施形態に限定されると考えてはならないが、それは、このような実施形態が、本発明の種々の態様の説明を容易にするために詳細に説明しているためである。むしろ、本発明は、添付の特許請求の範囲及びそれらの同等物によって定義される本発明の範囲内に含まれる様々な変形形態、同等のプロセス、及び代替的デバイスを含めた、本発明の全ての態様を包含するものと理解されるべきである。
なお、以下の態様について付記する。
（付記１）
第１の主面及び第２の主面を有する基材と、
前記第２の主面上に配置された接着剤層と、
前記接着剤層の前記基材とは反対側に配置された剥離ライナーと、を備えるフィルムであって、
前記接着剤層は第１の構造パターンを有し、
前記剥離ライナーは第２の構造パターンを有し、
前記第１の構造パターン及び前記第２の構造パターンは、互いの反転でもなく、互いに同じでもない、フィルム。
（付記２）
第１の主面及び第２の主面を有する基材と、
前記第２の主面上に配置された接着剤層と、
前記接着剤層の前記基材とは反対側に配置された剥離ライナーと、を備えるフィルムであって、
前記接着剤層は第１の構造パターンを有し、
前記剥離ライナーは第２の構造パターンを有し、
前記第２の構造パターンに起因して、前記接着剤層と前記剥離ライナーの一部分との間に間隙が存在する、フィルム。
（付記３）
前記剥離ライナーは商業的にリサイクル可能である、付記１又は２に記載のフィルム。
（付記４）
前記剥離ライナーは、３５ｍＪ／ｍ ^２以下の表面エネルギーを有するポリマーから形成される、付記１又は２に記載のフィルム。
（付記５）
前記剥離ライナーは実質的に、高密度ポリエチレン、低密度ポリエチレン、ポリ塩化ビニル、及びポリプロピレンからなる群のうちの１つから形成される、付記１又は２に記載のフィルム。
（付記６）
付記１又は２に記載のフィルムを備えるフィルムのロール。
（付記７）
前記剥離ライナー及び前記接着剤層の一方又は両方がビーズを含む、付記１又は２に記載のフィルム。
（付記８）
前記第２の構造パターンは周期を有し、前記周期は、前記ビーズの平均直径以上の長さを有する、付記７に記載のフィルム。
（付記９）
前記第１の構造パターン及び前記第２の構造パターンは異なる周期を有する、付記１又は２に記載のフィルム。
（付記１０）
前記接着剤層は、アクリル接着剤を含む、付記１又は２に記載のフィルム。
（付記１１）
前記第１の構造パターンはチャネルであり、前記第２の構造パターンはプリズムである、付記１又は２に記載のフィルム。
（付記１２）
前記第１の構造パターン及び前記第２の構造パターンの両方が、一次元パターンである、付記１又は２に記載のフィルム。
（付記１３）
前記第２の構造が、前記剥離ライナーの支持面と前記剥離ライナーの平面ランド領域との間の単位面積当たりの体積を、同じ単位面積の前記接着剤層の体積よりも大きく変位させる、付記１又は２に記載のフィルム。
（付記１４）
第１の主面及び第２の主面を有する基材を提供することと、
前記第２の主面上に接着剤層を適用することと、
前記接着剤層を第１のライナーでエンボス加工して、第１の構造パターンを有する構造化接着剤層を形成することと、
前記第１のライナーを除去することと、
第２の構造パターンを有する第２のライナーを前記構造化接着剤層に付着させることであって、前記第２の構造パターンは、前記第１の構造パターンの反転でもなく、前記第１の構造パターンと同じでもない、付着させることと、を含む、方法。
（付記１５）
前記第１のライナーはシリコーンを含む、付記１４に記載の方法。
（付記１６）
前記第１のライナーはベルトである、付記１４に記載の方法。
（付記１７）
前記第１のライナー及び前記第２のライナーは異なる材料である、付記１４に記載の方法。
（付記１８）
前記第２のライナーは本質的に、高密度ポリエチレン、低密度ポリエチレン、ポリ塩化ビニル、及びポリプロピレンからなる群のうちの１つから形成される、付記１４に記載の方法。
（付記１９）
前記第２のライナーは実質的に、商業的にリサイクル可能な材料から形成される、付記１４に記載の方法。
（付記２０）
前記フィルムをロールに巻き付けることを更に含む、付記１４に記載の方法。
（付記２１）
前記第２のライナーは本質的に、３５ｍＪ／ｍ ^２以下の表面エネルギーを有するポリマーから形成される、付記１４に記載の方法。
（付記２２）
前記第２のライナーは、前記第１のライナーよりも高い表面エネルギーを有する、付記１４に記載の方法。 It should be understood that descriptions of elements in the figures apply equally to corresponding elements in other figures unless otherwise indicated. While the present invention should not be considered limited to the particular embodiments described above, it has been described in detail to facilitate the description of the various aspects of the invention. It's for. Rather, the present invention encompasses all modifications, equivalent processes, and alternative devices included within the scope of the invention as defined by the appended claims and their equivalents. should be understood to include aspects of
In addition, the following aspects are added.
(Appendix 1)
a substrate having a first major surface and a second major surface;
an adhesive layer disposed on the second major surface;
a release liner disposed on the opposite side of the adhesive layer to the substrate,
the adhesive layer has a first structural pattern;
the release liner has a second structural pattern;
A film, wherein said first structural pattern and said second structural pattern are neither the inverse of each other nor the same as each other.
(Appendix 2)
a substrate having a first major surface and a second major surface;
an adhesive layer disposed on the second major surface;
a release liner disposed on the opposite side of the adhesive layer to the substrate,
the adhesive layer has a first structural pattern;
the release liner has a second structural pattern;
A film wherein a gap exists between the adhesive layer and a portion of the release liner due to the second structural pattern.
(Appendix 3)
3. The film of Clause 1 or 2, wherein the release liner is commercially recyclable.
(Appendix 4)
3. The film of Clause 1 or 2, wherein the release liner is formed from a polymer having a surface energy of 35 mJ/m ² or less.
(Appendix 5)
3. The film of Clauses 1 or 2, wherein the release liner is formed substantially from one of the group consisting of high density polyethylene, low density polyethylene, polyvinyl chloride, and polypropylene.
(Appendix 6)
A roll of film comprising the film according to Appendix 1 or 2.
(Appendix 7)
3. The film of clause 1 or 2, wherein one or both of the release liner and the adhesive layer comprise beads.
(Appendix 8)
8. The film of clause 7, wherein the second structural pattern has a period, and the period has a length equal to or greater than the average diameter of the beads.
(Appendix 9)
3. The film of clause 1 or 2, wherein the first structural pattern and the second structural pattern have different periods.
(Appendix 10)
3. The film of Clause 1 or 2, wherein the adhesive layer comprises an acrylic adhesive.
(Appendix 11)
3. The film of clause 1 or 2, wherein the first structural pattern is channels and the second structural pattern is prisms.
(Appendix 12)
3. The film of clause 1 or 2, wherein both the first structural pattern and the second structural pattern are one-dimensional patterns.
(Appendix 13)
Clause 1, wherein the second structure displaces a volume per unit area between a support surface of the release liner and a planar land area of the release liner by more than a volume of the adhesive layer for the same unit area. Or the film according to 2.
(Appendix 14)
providing a substrate having a first major surface and a second major surface;
applying an adhesive layer on the second major surface;
embossing the adhesive layer with a first liner to form a structured adhesive layer having a first structured pattern;
removing the first liner;
attaching a second liner having a second structural pattern to the structured adhesive layer, wherein the second structural pattern is neither the inverse of the first structural pattern nor the first structural pattern; A method comprising depositing that is not the same as a pattern.
(Appendix 15)
15. The method of Clause 14, wherein the first liner comprises silicone.
(Appendix 16)
15. The method of clause 14, wherein the first liner is a belt.
(Appendix 17)
15. The method of Claim 14, wherein the first liner and the second liner are different materials.
(Appendix 18)
15. The method of Claim 14, wherein said second liner is formed essentially from one of the group consisting of high density polyethylene, low density polyethylene, polyvinyl chloride, and polypropylene.
(Appendix 19)
15. The method of Claim 14, wherein the second liner is formed substantially from commercially recyclable materials.
(Appendix 20)
15. The method of Clause 14, further comprising winding the film onto a roll.
(Appendix 21)
15. The method of Claim 14, wherein said second liner is formed essentially of a polymer having a surface energy of 35 mJ/m2 ^or less.
(Appendix 22)
15. The method of clause 14, wherein the second liner has a higher surface energy than the first liner.

Claims

a substrate having a first major surface and a second major surface;
an adhesive layer disposed on the second major surface;
a release liner disposed on the opposite side of the adhesive layer to the substrate,
the adhesive layer has a first structural pattern;
the release liner has a second structural pattern;
A film, wherein said first structural pattern and said second structural pattern are neither the inverse of each other nor the same as each other.

a substrate having a first major surface and a second major surface;
an adhesive layer disposed on the second major surface;
a release liner disposed on the opposite side of the adhesive layer to the substrate,
the adhesive layer has a first structural pattern;
the release liner has a second structural pattern;
A film wherein a gap exists between the adhesive layer and a portion of the release liner due to the second structural pattern.

3. The film of claim 1 or 2, wherein the release liner is commercially recyclable.

3. The film of claim 1 or 2, wherein the release liner is formed from a polymer having a surface energy of 35 mJ/m ^<2> or less.

3. The film of claim 1 or 2, wherein the release liner is formed substantially from one of the group consisting of high density polyethylene, low density polyethylene, polyvinyl chloride, and polypropylene.

A roll of film comprising the film of claim 1 or 2.

3. The film of claim 1 or 2, wherein one or both of the release liner and the adhesive layer comprise beads.

8. The film of claim 7, wherein said second structural pattern has a period, said period having a length equal to or greater than the average diameter of said beads.

3. A film according to claim 1 or 2, wherein the first structural pattern and the second structural pattern have different periods.

3. The film of claim 1 or 2, wherein the adhesive layer comprises an acrylic adhesive.

3. A film according to claim 1 or 2, wherein the first structural pattern is channels and the second structural pattern is prisms.

3. The film of claim 1 or 2, wherein both the first structural pattern and the second structural pattern are one-dimensional patterns.

4. The second structure displaces a volume per unit area between a support surface of the release liner and a planar land area of the release liner to a greater extent than a volume of the adhesive layer for the same unit area. 3. The film according to 1 or 2.

providing a substrate having a first major surface and a second major surface;
applying an adhesive layer on the second major surface;
embossing the adhesive layer with a first liner to form a structured adhesive layer having a first structural pattern;
removing the first liner;
attaching a second liner having a second structural pattern to the structured adhesive layer, wherein the second structural pattern is neither the inverse of the first structural pattern nor the first structural pattern; A method comprising depositing that is not the same as a pattern.

15. The method of Claim 14, wherein the first liner comprises silicone .

15. The method of claim 14, wherein said first liner and said second liner are different materials .

15. The method of claim 14, further comprising winding the film onto a roll .

15. The method of claim 14, wherein said second liner has a higher surface energy than said first liner.