	US 11,993,059 B2
	Multi-layer film
Ling Fan, Geleen (NL); Jana Hrachova, Geleen (NL); Bart Van Den Esschert, Geleen (NL); Jun Zhou, Geleen (NL); and Feng Gong, Geleen (NL)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom (NL)
Appl. No. 16/470,612
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom (NL)
PCT Filed Nov. 8, 2017, PCT No. PCT/CN2017/109942 § 371(c)(1), (2) Date Jun. 18, 2019, PCT Pub. No. WO2018/113434, PCT Pub. Date Jun. 28, 2018.
Claims priority of application No. 201611176054.9 (CN), filed on Dec. 19, 2016.
Prior Publication US 2020/0086612 A1, Mar. 19, 2020
Int. Cl. B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B65D 75/58 (2006.01); C09J 123/08 (2006.01)

CPC B32B 27/08 (2013.01) [B32B 27/306 (2013.01); B65D 75/5855 (2013.01); B32B 2307/31 (2013.01); C09J 123/0853 (2013.01); Y10T 428/2817 (2015.01); Y10T 428/2848 (2015.01)]

11 Claims

9. A multi-layer film for seal-peel application comprising a cover layer and a seal layer, wherein the seal layer comprises between 25 and 80 wt. % of ethylene vinyl acetate (EVA) and between 20 and 75 wt. % of linear low density polyethylene (LLDPE) based on the total weight of the seal layer, and

wherein

the cover layer comprises a first low density polyethylene (LDPE) cover layer and a second cover layer, wherein the first LDPE cover layer is arranged on and in contact with the seal layer, wherein the second cover layer is a blend of LLDPE and a LDPE, wherein the second cover layer is arranged on and in contact with the first LDPE cover layer, and

the film has a peel strength on polyethylene terephthalate (PET) of between 1 and 20 N/15 mm, measured according to ASTM F88 method C with a strip width of 15 mm, a separation rate of 200 mm/min, and a sealing temperature of 80° C.