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Previous issue date: 2017-09-29 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / In this work, the sample-flame propagation indexes were simulated in laboratory, in
detriment and in comparison to the generalized burning during the fires in internal
environments. The respective chemical and physical properties of the paints, the emanated
gases, were compared; evidencing its toxicities, toxicological thresholds and using the tests of
horizontal burning and vertical burning. In the experimental part, the paint films were produced
for later burning in a quartz chamber with the use of the electric furnace, from which the gases
were collected, according to each thermal degradation orientation obtained by the TGA pallet,
in order to analyze the toxicities in gas chromatography. In the results the different firing
behaviors for each paint can be compared by virtue of its physico-chemical composition,
together with its gas release rates in each temperature range. / Neste trabalho produziu-se a partir das tintas acr?licas ? base d??gua, os ?ndices de
propaga??o de chama amostral e simulada em laborat?rio, em detrimento e em comparativo ?
queima generalizada durante os inc?ndios em ambientes internos. Foram comparadas as
respectivas propriedades qu?micas e f?sicas das tintas, dos gases emanados; evidenciando as
suas toxicidades, limiares toxicol?gicos e empregando os testes de queima horizontal e queima
vertical. Na parte experimental foram produzidos os filmes de tintas, para posterior queima em
c?mara de quartzo com o uso do forno el?trico, onde a partir deste, coletou-se os gases, segundo
cada orienta??o de degrada??o t?rmica obtida pala TGA, para ent?o serem analisadas as
toxicidades em cromatografia gasosa. Nos resultados podem ser comparados os diferentes
comportamentos de queima para cada tinta em virtude de sua composi??o f?sico-qu?mica,
juntamente com suas taxas de libera??es de gases em cada faixa de temperatura.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.pucrs.br:tede/8118 |
| Date | 29 September 2017 |
| Creators | Henrique, Angelo Abel Machado Pereira |
| Contributors | Dedavid, Berenice Anina |
| Publisher | Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Programa de P?s-Gradua??o em Engenharia e Tecnologia de Materiais, PUCRS, Brasil, Escola Polit?cnica |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da PUC_RS, instname:Pontifícia Universidade Católica do Rio Grande do Sul, instacron:PUC_RS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | -7432719344215120122, 500, 500, 600, 4518971056484826825, 2075167498588264571 |
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