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Development of thin films deposited by plasma for polymeric materials photoprotection

Grant number: 16/24936-3
Support type:Regular Research Grants
Duration: March 01, 2017 - February 28, 2019
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Walter Ruggeri Waldman
Grantee:Walter Ruggeri Waldman
Home Institution: Centro de Ciências e Tecnologias para a Sustentabilidade (CCTS). Universidade Federal de São Carlos (UFSCAR). Sorocaba , SP, Brazil
Assoc. researchers:Elidiane Cipriano Rangel da Cruz ; Nilson Cristino da Cruz


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to the photodegradation in polypropylene, and; B) to study the photodegradation of the thin films of organosilicone, an unpublished subject in the literature.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)

Scientific publications
(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)
DE PAOLI, MARCO AURELIO; WALDMAN, WALTER RUGGERI. Bio-based additives for thermoplastics. POLIMEROS-CIENCIA E TECNOLOGIA, v. 29, n. 2 2019. Web of Science Citations: 0.
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, APR 2018. Web of Science Citations: 2.

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