US 11,884,838 B1
Soft matte non-silicone film
Tracy Paolilli, North Kingstown, RI (US); Joshua Cloutier, North Kingstown, RI (US); Yu Abe, North Kingstown, RI (US); and Samuel Hogan, North Kingstown, RI (US)
Assigned to TORAY PLASTICS (AMERICA), INC.
Filed by TORAY PLASTICS (AMERICA), INC., North Kingstown, RI (US)
Filed on Jul. 7, 2022, as Appl. No. 17/860,072.
Int. Cl. C09D 175/14 (2006.01); B29C 55/14 (2006.01); C09D 167/02 (2006.01); B29L 7/00 (2006.01); B29K 67/00 (2006.01)
CPC C09D 175/14 (2013.01) [B29C 55/143 (2013.01); C09D 167/02 (2013.01); B29K 2067/00 (2013.01); B29L 2007/008 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A film comprising:
a layer comprising a core layer comprising a biaxially stretched layer comprising a polyester and a top layer on the core layer, wherein the top layer comprises urethane particles, polyvinyl pyrrolidone (PVP), and a crosslinker;
wherein a surface gloss of the film measured on the top layer at 60° according to ASTM D523 is equal to 4-12; and
wherein the film further comprises a coating of a hot melt adhesive, wherein the hot melt adhesive has a cohesive split of 50/50% within the film when approximately 1 gm of the film is coated with approximately 1/16 inch wide, approximately 0.25 g melt beads of the hot melt adhesive at 370° F.