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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to the photodegradation in polypropylene, and; B) to study the photodegradation of the thin films of organosilicone, an unpublished subject in the literature.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 (9)
(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)
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)
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)
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, . (16/24936-3, 16/25703-2)
FONSECA, LUCAS POLO; WALDMAN, WALTER R.; DE PAOLI, MARCO AURELIO. ABS composites with cellulose fibers: Towards fiber-matrix adhesion without surface modification. COMPOSITES PART C: OPEN ACCESS, v. 5, p. 8-pg., . (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)
DE PAOLI, MARCO AURELIO; WALDMAN, WALTER RUGGERI. Bio-based additives for thermoplastics. POLIMEROS-CIENCIA E TECNOLOGIA, v. 29, n. 2, . (16/24936-3)
DE FREITAS, AMANDA DE S. M.; RODRIGUES, JESSICA S.; BOTARO, VAGNER R.; LEMES, ANA PAULA; CRUZ, SANDRA ANDREA; WALDMAN, WALTER R.. Formation of craze-like pattern in polypropylene UV-induced surface cracking. JOURNAL OF POLYMER RESEARCH, v. 29, n. 12, p. 8-pg., . (16/24936-3, 19/15976-0, 19/19401-1)
WALDMAN, WALTER R.; RILLIG, MATTHIAS C.. Microplastic Research Should Embrace the Complexity of Secondary Particles. Environmental Science & Technology, v. 54, n. 13, p. 3-pg., . (16/24936-3)

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