Profa. Dra. ELISABETE FROLLINI

Foto Docente

Histórico

Docente contratada pela USP desde 1977. Concluiu seu doutorado em 1986 pela USP. Entre 1992 e 1993 realizou estágio de Pós-Doutorado no “Centro de Recheche sur les Macromolécules Vegétales”- Grenoble-França.




Linhas de Pesquisa

- Polimeros Naturais: Obtenção de polímeros e compósitos reforçados com fibras vegetais. Correlação Estrutura – Propriedades.
- Derivatização de Celuloses, obtidas de fontes vegetais diversificadas (bagaço de cana de açúcar, sisal, linter.).
- Polieletrólitos – Estudo Físicoquímico da atuação de polímeros naturais como agente defloculante em dispersões.




Publicações

Publicações Recentes (2005 - 2008)

-Ramos, L A, Frollini, E, Heinze, Th, Carboxymethylation of cellulose in the new solvent dimethyl sulfoxide/tetrabutylammonium fluoride, Carbohydrate Polymers, 60, 259-267, 2005.
-Tiera, m J, Santos, G R, Tiera, V A O, Blaz, N A, Frollini, e, Silva, R, Loh, W, Aqueous solution behaviour of thermosensitive N-isopropylacrylamide-acrylic acid-ethylmethacrylate) terpolymers, Colloid and Polymer Science, 283, 662-670, 2005.
-Ramos, L A, Assaf, J M, El Seoud, O A, Frollini, E, Influence of the supra-molecular structure and physico-chemical properties of cellulose on its dissolution in the lithium chloride/N,N-dimethylacetamide solvent system, Biomacromolecules , 6, 2638 - 2647, 2005.
-Trindade, W G, Hoareau, W, Megiatto, J D, Razera, I A T, Castellan, A, Frollini, E, Thermoset phenolic matrices reinforced with unmodified and surface grafted furfuryl alcohol sugarcane bagasse and curaua fibers: properties of fibers and composites, Biomacromolecules, 6, 2485 - 2496, 2005.
-Ramos, L A, Frollini, E, Koschella, A, Heinze, Th, Benzylation of Cellulose in the Solvent Dimethylsulfoxide/Tetrabutylammonium Fluoride Trihydrate, Cellulose, 12, 607-619, 2005.
-Obici, A C, Sinhoreti, M A C, Frollini, E., Correr Sobrinho, L, Consani, S, Degree of conversion and knoop hardness of Z250 composite using different photo-activation methods, Polymer Testing, 24, 814 - 818, 2005
-Ass, B A P, Ciacco G. T., Frollini, E.Cellulose acetates from linters and sisal: correlation between synthesis conditions in DMAc/LiCl and product properties, Bioresource Technology, 97, 1696 - 1702, 2006.
-Paiva, J M F, Frollini, E., Unmodified and modified surface sisal fibers as reinforcement of phenolic and lignophenolic matrices composites: thermal analyses of fibers and composites, Macromolecular Materials and Engineering, 291, 405 - 417, 2006.
-Hoareau, W, Oliveira, F B, Grelier, S, Siegmund, B, Frollini, E., Castellan, A, Fiberboards based on sugarcane bagasse lignin and fibers, Macromolecular Materials and Engineering , 291, 829 - 839, 2006.
-Ass, B A P, Belgacem N, Frollini, E, Mercerized linters cellulose: characterization and acetylation in N,N-dimethylacetamide/lithium chloride, Carbohydrate Polymers, 63, 19 - 29, 2006.
-Obici, A C, Sinhoreti M A C, Frollini, E., Correa Sobrinho, L, Goes, M F, Henriques, G E, P, Monomer conversion at different dental composite depths using six light-curing methods, Polymer Testing, 25, 282 - 288, 2006.
-Castellan, A; Ruggiero, R; Frollini, E; Ramos, L A ;Chirat, C . Studies on fluorescence of cellulosics. Holzforschung, 61, 504-508, 2007.
-Megiatto Jr, J D ; Hoareau, W; Gardrat, C ; Frollini, E. ; Castellan, A. Sisal Fibers: Surface Chemical Modification Using Reagent Obtained from a Renewable Source; Characterization of Hemicellulose and Lignin as Model Study, Journal of Agricultural and Food Chemistry, 55, 8576-8584, 2007.
-Megiatto Jr, J D ; Oliveira, F B; Rosa, D S ; Gardrat, C ; Castellan, A; Frollini, E. Renewable resources as reinforcement of polymeric matrices: composites based on phenolic thermosets and sisal fibers chemically modified - properties of fibers and composites. Macromolecular Bioscience, 7, 1121-1131, 2007.
-Ciacco, G T; Ass, B A P; Ramos, L A, Frollini, E. Sisal, sugarcane bagasse and microcrystalline celluloses: influence of the composition of the solvent system N,N-dimethylacetamide /lithium chloride on the solubility and acetylation of these polysaccharides, E-Polymers, 22, 1-11, 2008.
- De Paula, M., Lacerda T M, Frollini, E, Sisal cellulose acetates obtained from heterogeneous reactions, eXPRESS Polymer Letters, 2, 423–428, 2008.
-Megiatto Jr, J D ; Silva, c G ; Rosa, D S ; Frollini, E. Sisal Chemically Modified with lignins: correlation between fibers and phenolic composites properties, Polymer Degradation and Stability, 93, 1109-1121, 2008.
-El Seoud, O A; Fidale, LF; Ruiz, N, D’Almeida, MLO; Frollini, E, Cellulose swelling by protic solvents: which properties of the biopolymer and the solvent matter? Cellulose, 15, 371-392, 2008.
-Oliveira, F B O; Gardrat, C; C Enjalbal; Frollini, E; Castellan, A. Phenol-furfural resins to elaborate composites reinforced with sisal fibers; molecular analysis of resin and properties of composites, Journal of Applied Polymer Science, 109, 2291-2303, 2008.
-Trindade, W G ; Paiva, J M F ; Leão, A. L. ; Frollini, E. Ionized Air Treated Curaua fibers as Reinforcement for Phenolic Matrices, Macromolecular Materials and Engineering, 293, 521-528, 2008


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