	US 11,731,405 B2
	Polyvinylidene fluoride-acrylate and thermoplastic polyurethane multilayer protective film
David Collette, South Hadley, MA (US); and Thomas Burke, Conway, MA (US)
Appl. No. 16/764,378
Filed by ARGOTEC, LLC, Greenfield, MA (US); and SWM Luxembourg SARL, Contern (LU)
PCT Filed Nov. 16, 2018, PCT No. PCT/EP2018/081653 § 371(c)(1), (2) Date May 14, 2020, PCT Pub. No. WO2019/097033, PCT Pub. Date May 23, 2019.
Claims priority of provisional application 62/587,429, filed on Nov. 16, 2017.
Prior Publication US 2020/0276795 A1, Sep. 3, 2020
Int. Cl. G11C 7/12 (2006.01); G11C 7/18 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01)

CPC B32B 27/08 (2013.01) [B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 27/40 (2013.01); B32B 2307/406 (2013.01); B32B 2307/412 (2013.01); B32B 2307/584 (2013.01); B32B 2307/732 (2013.01); B32B 2327/00 (2013.01); B32B 2333/12 (2013.01); B32B 2375/00 (2013.01)]

18 Claims

1. A multilayer film comprising:

a first layer and a second layer;

wherein the first layer comprises a polyvinylidene fluoride (PVDF)/acrylate polymer blend, the second layer consists of a polycaprolactone-based thermoplastic polyurethane; and

wherein the first layer is bonded to a major surface of the second layer, the multilayer film being transparent.