JPWO2021140164A5

JPWO2021140164A5 -

Info

Publication number: JPWO2021140164A5
Application number: JP2022541848A
Authority: JP
Publication date: 2024-01-16

Claims

Tiles, especially carpet tiles,
a base layer having a top side and a bottom side;
at least one adhesive layer attached directly or indirectly to the bottom side of the base layer;
A pile yarn is provided on at least a portion of the top side of the base layer,
the adhesive layer defines at least a portion of the bottom surface of the tile;
the adhesive layer provides sufficient adhesion to removably attach the tile to a suitable support surface;
The adhesive layer covers almost the entire bottom side of the base layer,
The bottom side of the adhesive layer forms a flat surface.

Tile according to claim 1 , wherein the adhesive of the adhesive layer is present on the sides and/or corners of the bottom surface of the tile, preferably on at least 50% of the total bottom surface of the tile.

Tile according to claim 1 or 2 , wherein the adhesive of the adhesive layer is a pressure sensitive adhesive (PSA), preferably of the releasable type.

The tile has two, preferably opposing, sides, each side being provided with an interconnecting profile such as a tongue and groove, preferably the profile comprising: A tile according to any one of claims 1 to 3 , which is an integral part of the support layer material and/or an intermediate core layer that may be included in the carpet tile.

5. A removable protective film according to claim 1, wherein a peelable protective film is attached to the adhesive layer on the bottom surface of the carpet tile and/or to the bottom side of the adhesive layer. tile.

The base layer is
a decorative layer;
Optionally, at least one transparent wear layer covering the decorative layer;
6. A tile according to any one of claims 1 to 5 , comprising:

7. A tile according to any one of claims 1 to 6 , wherein the adhesive strength of the bottom side of the adhesive layer is at least 170 g/cm.

8. A tile according to any one of claims 1 to 7 , wherein the adhesive layer is configured to provide polar force-based adhesion when a load or pressure is applied.

9. A tile according to any preceding claim, wherein the adhesive layer is formed by a pressure-sensitive adhesive layer.

A tile according to any one of claims 1 to 9 , wherein the adhesive layer is a hydrophobic layer.

A plurality of superficial suction ports are formed at least on the lower surface of the adhesive layer,
The tile according to any one of claims 1 to 10 , wherein the superficial suction port is open in a direction opposite to the base layer and substantially closed in a direction facing the base layer.

The superficial suction port defines a void area as a whole,
The material between the superficial suction ports on the lower surface of the adhesive layer defines a material area;
The ratio between the void area and the material area is at least 4, preferably at least 5, more preferably at least 6, which allows for rapid attachment to and rapid removal from a support surface. , tile according to claim 11 .

13. A tile according to claim 11 or 12 , wherein the adhesive layer is configured to provide polar vacuum-based adhesion when a load or pressure is applied.

14. A tile according to any preceding claim, wherein the adhesive layer is at least partially cured.

the adhesive layer and/or the base layer comprises an antimicrobial substance, and/or
15. A tile according to any preceding claim, wherein the adhesive layer and/or the base layer are coated with an antimicrobial agent.

the adhesive layer covers at least one sidewall of the base layer;
the side wall is connected to the bottom side of the base layer,
Preferably, a removable protective film is attached to the adhesive layer and covers substantially the entire side of the adhesive layer facing away from the base layer. The tiles described in paragraph 1.

A tile covering material comprising a plurality of adjacent tiles according to any one of claims 1 to 16 .

A method for producing a tile, in particular a carpet tile, according to any one of claims 1 to 16 , comprising:
a) providing a base layer having a top side and a bottom side, preferably at least a portion of the top side of the base layer being provided with pile yarn;
b) directly or indirectly applying an adhesive layer to the bottom side of the base layer, the adhesive layer having sufficient adhesive properties to removably attach the tile to a suitable support surface; the adhesive layer preferably covering substantially the entire bottom side of the base layer;
c) achieving a connection between a peelable protective film and the bottom surface of said adhesive layer;
including methods.

19. The method of claim 18 , wherein in step c) the adhesive layer is initially applied to the overcoat in a liquid state and then allowed to at least partially cure.

20. A method according to claim 18 or 19 , wherein in step b) the adhesive layer is provided in an at least partially cured state.