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Development of thin films deposited by plasma for polymeric materials photoprotection

Abstract

Photodegradation of polymers limits the options for its use in exposure to the weather and reduces its useful life. Deposition of thin films of organosilicone by plasma on polymers increases its resistance to photodegradation without interfering in aspects such as color and brightness due to its transparency and nanometric dimension. From previous results obtained in a doctoral project, with up to 80% less carbonyl formation during accelerated aging of polypropylene, two results are expected: A) to develop optimum conditions for the deposition of thin films of organosilicone by plasma, facilitating the transposition for product development, with more continuous and flexible thin films on polymer, with good resistance to the photodegradation in polypropylene, and; B) to study the photodegradation of the thin films of organosilicone, an unpublished subject in the literature. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FITARONI, LAYS B.; CACURO, THIAGO A.; COSTA, CARLOS A. R.; LANZONI, EVANDRO M.; GALANTE, DOUGLAS; ARAUJO, JOYCE R.; HOMEM, MANOEL G. P.; WALDMAN, WALTER R.; CRUZ, SANDRA A.. Polymeric nanowrinkles: surface modification of polypropylene films in the VUV energy range. Journal of Materials Science, v. 56, n. 15, p. 9532-9543, . (15/08258-2, 16/24936-3, 16/25703-2)
DE LIMA, JULIANA A.; FITARONI, LAYS B.; WALDMAN, WALTER R.; CRUZ, SANDRA A.. Compatibilizer prevents the catalytic role of sepiolite in the thermal degradation of PP/Sep nanocomposites. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, v. 146, n. 6, p. 2481-2487, . (16/24936-3, 16/25703-2)
ARAUJO, PATRICIA DOS SANTOS; BELINI, GABRIELA BERTONI; MAMBRINI, GIOVANNI PIMENTA; YAMAJI, FABIO MINORU; WALDMAN, WALTER RUGGERI. Thermal degradation of calcium and sodium alginate: A greener synthesis towards calcium oxide micro/nanoparticles. International Journal of Biological Macromolecules, v. 140, p. 749-760, . (16/24936-3)
CURCIO, MONIQUE SEUFITELLIS; CANELA, MARIA CRISTINA; WALDMAN, WALTER RUGGERI. Selective surface modification of TiO2-coated polypropylene by photodegradation. EUROPEAN POLYMER JOURNAL, v. 101, p. 177-182, . (16/24936-3)

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