TY - JOUR T1 - The Effect of Red Pigment and Photo Stabilizers on the Photo Degradation of Polypropylene Films JO - Materials Research A1 - Cavalcanti, Rebecca Stéfani de Freitas Brito A1 - Rabello, Marcelo Silveira SN - 1516-1439 UL - 10.1590/1980-5373-MR-2018-0708 VL - 22 Y1 - 2019 PB - Brasil ER -