Výsledky vyhledávání - "Nanci Pinheiro"

Akademický článek

Impregnação de filmes do compósito de policarbonato (PC) e sílicagel (Si) com corante fotocrômico em fluido supercrítico = Impregnation of composite from polycarbonate (PC) and silica gel (Si) films with photochromic dye in supercritical fluid

Autor: Fernanda de Almeida Fin de Lima, Onélia Aparecida Andreo dos Santos, Nanci Pinheiro

Publikováno v: Acta Scientiarum: Technology, Vol 32, Iss 1, Pp 69-74 (2010)

O objetivo deste trabalho foi estudar a impregnação do corante fotocromático Reversacol Graphit® em filmes do compósito de policarbonato (PC) e sílica-gel (Si), com a finalidade de obter aplicações em lentes fotocrômicas. Filmes de PC puros

Externí odkaz: https://doaj.org/article/82c85fd3256449758425c4caf0ab82c3

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Akademický článek

Impregnação de filmes do compósito de policarbonato (PC) e sílica-gel (Si) com corante fotocrômico em fluido supercrítico - DOI: 10.4025/actascitechnol.v32i1.1999

Autor: Fernanda de Almeida Fin de Lima, Onélia Aparecida Andreo Santos, Nanci Pinheiro

Publikováno v: Acta Scientiarum: Technology, Vol 32, Iss 1, Pp 69-74 (2009)

Externí odkaz: https://doaj.org/article/d0a3c7a9579b4880a9130e7d53f6b1d7

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Akademický článek

Estudos de sorção do corante vermelho dianix em filmes de pet através dos processos convencional e CO2 supercrítico - DOI: 10.4025/actascitechnol.v25i1.2234

Autor: Aline Aparecida de Oliveira Barbosa, Ana Claudia Ueda, Juliana Emiko Itako, Edvani Curty Muniz, Nanci Pinheiro Povh, Adley Forti Rubira

Publikováno v: Acta Scientiarum: Technology, Vol 25, Iss 1, Pp 27-31 (2003)

O polímero poli(tereftalato de etileno) – PET – tem tido suas propriedades de superfície modificadas, visando às mais diversas aplicações. O dióxido de carbono supercrítico (CO2SC) tem um grande potencial para a modificação e o processam

Externí odkaz: https://doaj.org/article/b14610a3207445f7a78ff3cfcf057b42

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Determinação da pressão de vapor de compostos orgânicos por cromatografia gasosa Determination of vapor pressure of organic compounds by gas chromatography

Autor: Fabrício P. Povh, Vera M. Rodrigues, Maria A. A. Meireles, Nanci Pinheiro

Publikováno v: Food Science and Technology, Vol 26, Iss 2, Pp 465-474 (2006)

O conhecimento das pressões de vapor dos compostos naturais e suas propriedades críticas, de grande interesse para a extração supercrítica e impregnação de polímeros pelo processo supercrítico, é imprescindível para se fazer a modelagem te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::496c9190672b794b499df3429493c19d
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612006000200034

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Supercritical CO2 extraction of essential oil and oleoresin from chamomile (Chamomilla recutita [L.] Rauschert)

Autor: M. Angela A. Meireles, Marcia Ortiz Mayo Marques, Nanci Pinheiro Povh

Publikováno v: The Journal of Supercritical Fluids. 21:245-256

Flowers of chamomile ( Chamomilla recutita [L.] Rauschert) were extracted with supercritical carbon dioxide using a fixed bed extractor. The experimental work was conducted to identify the best process conditions to maximize the yield of extract and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5a4e59ecad70b55fd2ef4b89e8db3bb3
https://doi.org/10.1016/s0896-8446(01)00096-1

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Impregnação de filmes do compósito de policarbonato (PC) e sílica-gel (Si) com corante fotocrômico em fluido supercrítico

Autor: Nanci Pinheiro, Onélia Aparecida Andreo dos Santos, Fernanda de Almeida Fin de Lima

Publikováno v: Acta Scientiarum. Technology. 32

The aim of this work was to study the impregnation of the photochromic dye Reversacol Graphit ® in composite films of polycarbonate (PC) and silica gel, with the purpose of finding applications in photochromic lenses. Pure PC films were also impregn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::588ada039a2a96a0f7440f3074df3d19
https://doi.org/10.4025/actascitechnol.v32i1.1999

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Recrystallization of Caffeine Using Supercritical Carbon Dioxide as Antisolvent

Autor: Thiago Leandro Souza, Guilherme Sunehiro, Marcos Hiroyuki Kunita, Joel Augusto da Silva Romero, Nanci Pinheiro

Publikováno v: Chemical Product and Process Modeling. 4

The supercritical antisolvent (SAS) process has been widely used to obtain many types of crystalline and amorphous particles of polymers and drugs. In this process, solute particles precipitate from an organic solution when it is sprayed into a compr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57a1001a85d26f192f8d07b544f464df
https://doi.org/10.2202/1934-2659.1396

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Estudos de sorção do corante vermelho dianix em filmes de pet através dos processos convencional e CO2 supercrítico - DOI: 10.4025/actascitechnol.v25i1.2234

Autor: Barbosa, Aline Aparecida de Oliveira, Ueda, Ana Claudia, Itako, Juliana Emiko, Muniz, Edvani Curty, Povh, Nanci Pinheiro, Rubira, Adley Forti

Publikováno v: Acta Scientiarum. Technology; Vol 25 No 1 (2003); 27-31
Acta Scientiarum. Technology; v. 25 n. 1 (2003); 27-31
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM

The effects of modifying agents and dyeing conditions of dispersed dyes for PET films have been thoroughly studied. This research reports the dye incorporation processes in non-modified and modified N,N-dimethylacrylamide PET films with supercritical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::820531d11210170243f8611fc4bad5a1
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2234

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Purification Process of Stevioside Using Zeolites and Membranes

Autor: Rosângela Bergamasco, Flávia Vieira da Silva, Miria Hespanhol Miranda Reis, Suzana Lemanski Rezende, Nádia Regina Camargo Fernandes Machado, Nanci Pinheiro, Cid Marcos Gonçalves Andrade, Álvaro Alberto de Araújo

Publikováno v: International Journal of Chemical Reactor Engineering. 5

Stevia rebaudiana is a plant native of South America, and its active constituents are considered, by Food Science researchers, as the “sweeteners of the futu re”. Therefore, developments and researches about t his plant has been increased. Stevia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9cb252e000e73fff6d3e75cb40990be8
https://doi.org/10.2202/1542-6580.1443

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Determinação da pressão de vapor de compostos orgânicos por cromatografia gasosa

Autor: Maria Angela de Almeida Meireles, Vera Maria Rodrigues, Nanci Pinheiro, Fabrício P. Povh

Publikováno v: Food Science and Technology v.26 n.2 2006
Food Science and Technology (Campinas)
Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)
instacron:SBCTA

SUMMARY DETERMINATION OF VAPOR PRESSURE OF ORGANIC COMPOUNDS BY GAS CHROMATOGRAPHY. The knowledge of the vapor pressures of natural compounds, as well as their critical properties are of great interest for the application of supercritical extraction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69ec3871ac4203e510516cf039b7a73d
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612006000200034

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