US 12,006,417 B2
Additive mixture containing a particular sterically hindered amine compound and a heat reflecting interference pigment
Tania Weyland, Widensolen (FR); Daniel Mueller, Basel (CH); Montserrat Guillamon, Barcelona (ES); and Estelle Cheret-Bitterlin, Kalmthout (BE)
Assigned to BASF SE, Ludwigshafen (DE)
Appl. No. 15/747,477
Filed by BASF SE, Ludwigshafen (DE)
PCT Filed Jul. 20, 2016, PCT No. PCT/EP2016/067227
§ 371(c)(1), (2) Date Jan. 25, 2018,
PCT Pub. No. WO2017/016942, PCT Pub. Date Feb. 2, 2017.
Claims priority of application No. 15178502 (EP), filed on Jul. 27, 2015.
Prior Publication US 2018/0215898 A1, Aug. 2, 2018
Int. Cl. C08K 5/3492 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/20 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); C08K 3/013 (2018.01); C08K 5/3475 (2006.01); C08K 9/02 (2006.01)
CPC C08K 5/34926 (2013.01) [B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/306 (2013.01); B32B 27/327 (2013.01); C08K 3/013 (2018.01); C08K 5/3475 (2013.01); C08K 9/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2250/40 (2013.01); B32B 2264/101 (2013.01); B32B 2264/102 (2013.01); B32B 2264/107 (2013.01); B32B 2270/00 (2013.01); B32B 2307/30 (2013.01); B32B 2307/308 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/71 (2013.01); B32B 2307/714 (2013.01); B32B 2410/00 (2013.01)] 7 Claims
 
1. A three-layer film comprising:
(I) a low density polyethylene, an ethylene-vinyl acetate copolymer, an ethylene-butyl acrylate copolymer, or mixtures thereof;
(II) an additive mixture comprising components (A) and (B),
wherein:
component (A) is a compound of the formula (I-1-a), or a mixture of the compounds of the formulae (I-1-a) and (II-1-a):

OG Complex Work Unit Chemistry
wherein n following the bracket of formula (I-1-a) is a number from 1 to 10, and
wherein two outer layers of the three-layer film comprise the (I) and component (A), and a middle layer of the three-layer film further comprises the (I) and (II), wherein the component (B) is at least one heat reflecting interference pigment, which is in the form of platelets coated with one or more metal oxides, wherein the platelets comprise layered silicate, glass, or ceramic.