US 11,987,022 B2
Tile-type decorative flooring material comprising non-slip foam, and method for manufacturing same
Dong Jin Oh, Chungcheongnam-do (KR)
Assigned to DONGSHIN POLYMER CO., LTD., Chungcheongnam-do (KR); and SHINKO KASEI CO., LTD., Saitama (JP)
Appl. No. 17/761,372
Filed by DONGSHIN POLYMER CO., LTD., Chungcheongnam-do (KR); and SHINKO KASEI CO., LTD., Saitama (JP)
PCT Filed Jan. 28, 2021, PCT No. PCT/KR2021/001166
§ 371(c)(1), (2) Date Mar. 17, 2022,
PCT Pub. No. WO2021/162296, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 10-2020-0015906 (KR), filed on Feb. 10, 2020.
Prior Publication US 2022/0371307 A1, Nov. 24, 2022
Int. Cl. B32B 27/06 (2006.01); B32B 3/30 (2006.01); B32B 5/18 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 37/12 (2006.01); B32B 37/15 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); C08J 9/10 (2006.01); E04F 15/02 (2006.01); E04F 15/10 (2006.01)
CPC B32B 27/065 (2013.01) [B32B 3/30 (2013.01); B32B 5/18 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/22 (2013.01); B32B 27/304 (2013.01); B32B 27/32 (2013.01); B32B 37/12 (2013.01); B32B 37/153 (2013.01); B32B 38/06 (2013.01); C08J 9/103 (2013.01); E04F 15/0215 (2013.01); E04F 15/105 (2013.01); B32B 2038/0084 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2264/0242 (2013.01); B32B 2266/025 (2013.01); B32B 2305/022 (2013.01); B32B 2307/732 (2013.01); B32B 2307/744 (2013.01); B32B 2323/00 (2013.01); B32B 2327/06 (2013.01); B32B 2419/04 (2013.01); C08J 2201/03 (2013.01); C08J 2203/04 (2013.01); C08J 2323/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A tile-type decorative flooring material comprising:
a flooring material part including a surface-processed layer, a clear layer, a design-print layer, and an underlayer; and
a micro-embossed plastic foam part including a plastic foam layer and an adhesive film layer with micro-embossing,
wherein the micro-embossing comprises irregularities having a depth (a) provided at regular intervals (b), and the micro-embossing satisfies Expression 1 below:
a≥⅓*b  [Expression 1]
(herein, 0.08 mm≤a≤0.8 mm and 0.2≤b≤2 mm), and
wherein the tile-type decorative flooring material has a coefficient of friction of 40 to 56 tested by using a pendulum of BS-7976-2.