Degradation of Colored Polystyrene Films

Francisca Pereira de Araújo; Josy Antoveli Osajima; Mônica Regina Silva de Araujo; Edson Cavalcanti da Silva Filho; João Sammy Nery de Souza

doi:10.4028/www.scientific.net/MSF.930.254

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HomeMaterials Science ForumMaterials Science Forum Vol. 930Degradation of Colored Polystyrene Films

Degradation of Colored Polystyrene Films

Abstract:

Polystyrene is commercial polymer of extensive use in industrial scale due to great physical and chemical properties and low cost. Lifespan of polymer materials can be changed by incorporation of additions to polymeric matrix.The present study aimed to evaluate the influence of crystal violet dye in polystyrene matrices when irradiated by visible radiation. The samples were studied in the form of films, in which solution of crystal violet (5.0x10^-4mol.L^-1) was added to the PS solution (8% w / w). The films were irradiated with commercial lamp for 150 hours and analyzed with UV-Vis and FTIR. The results showed that the dye degraded at a rate of 16%, however the FTIR analysis revealed that polystyrene did not degrade under the conditions studied, since no formation of carbonyl compounds was observed.

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22nd Brazilian Conference on Materials Science and Engineering

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Materials Science Forum (Volume 930)

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254-257

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.930.254

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Online since:

September 2018

Authors:

Francisca Pereira de Araújo*, Josy Antoveli Osajima, Mônica Regina Silva de Araujo, Edson Cavalcanti da Silva Filho, João Sammy Nery de Souza

Keywords:

Degradation, Dye, Polystyrene

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