Nanocellulose Films from Amazon Forest Wood Wastes: Structural and Thermal Properties
The aim of this work was to determine the best fibrillation intensity that should be used to produce high crystalline and thermal stable microfibrillated cellulose (MFC) and nanocellulose films from C. goeldiana veneer wastes. The number of passages (cycles) of cellulose suspension tested in grinder...
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Published in | Key Engineering Materials Vol. 668; pp. 110 - 117 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
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01.10.2015
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Abstract | The aim of this work was to determine the best fibrillation intensity that should be used to produce high crystalline and thermal stable microfibrillated cellulose (MFC) and nanocellulose films from C. goeldiana veneer wastes. The number of passages (cycles) of cellulose suspension tested in grinder were 10, 20, 30 and 40. Important properties to be analyzed included changes in morphology from the raw wood to the nanocellulose films, increases/decreases in cellulose crystalline index for inference on biomaterial strength, and thermal behavior changes to support conclusions on biomaterials processing and application possibilities. After chemical treatments for cellulose isolation, mechanical shearing was applied to produce cellulose nanostructures; hence nanocellulose films could be successfully produced from C. goeldiana wood wastes. Influence of more refining cycles on thermal properties, indicated higher stability for 40-cycles nanocellulose films. In general, grinder refining process decreased crystalline index of cellulose. |
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AbstractList | The aim of this work was to determine the best fibrillation intensity that should be used to produce high crystalline and thermal stable microfibrillated cellulose (MFC) and nanocellulose films from
C. goeldiana
veneer wastes. The number of passages (cycles) of cellulose suspension tested in grinder were 10, 20, 30 and 40. Important properties to be analyzed included changes in morphology from the raw wood to the nanocellulose films, increases/decreases in cellulose crystalline index for inference on biomaterial strength, and thermal behavior changes to support conclusions on biomaterials processing and application possibilities. After chemical treatments for cellulose isolation, mechanical shearing was applied to produce cellulose nanostructures; hence nanocellulose films could be successfully produced from
C. goeldiana
wood wastes. Influence of more refining cycles on thermal properties, indicated higher stability for 40-cycles nanocellulose films. In general, grinder refining process decreased crystalline index of cellulose. The aim of this work was to determine the best fibrillation intensity that should be used to produce high crystalline and thermal stable microfibrillated cellulose (MFC) and nanocellulose films from C. goeldiana veneer wastes. The number of passages (cycles) of cellulose suspension tested in grinder were 10, 20, 30 and 40. Important properties to be analyzed included changes in morphology from the raw wood to the nanocellulose films, increases/decreases in cellulose crystalline index for inference on biomaterial strength, and thermal behavior changes to support conclusions on biomaterials processing and application possibilities. After chemical treatments for cellulose isolation, mechanical shearing was applied to produce cellulose nanostructures; hence nanocellulose films could be successfully produced from C. goeldiana wood wastes. Influence of more refining cycles on thermal properties, indicated higher stability for 40-cycles nanocellulose films. In general, grinder refining process decreased crystalline index of cellulose. |
Author | Protásio, Thiago de Paula Mendes, Lourival Marin Tonoli, G.H.D. Sena Neto, Alfredo Rodrigues Marconcini, José Manoel Costa, Tattiane Gomes Guimarães Junior, Mário Bufalino, Lina |
Author_xml | – givenname: Lina surname: Bufalino fullname: Bufalino, Lina email: linabufalino@yahoo.com.br organization: State University of Amapa : UEAP, Forestry Science Committee – givenname: Thiago de Paula surname: Protásio fullname: Protásio, Thiago de Paula email: depaulaprotasio@gmail.com organization: Federal University of Lavras : UFLA, Forestry Science Department – givenname: Alfredo Rodrigues surname: Sena Neto fullname: Sena Neto, Alfredo Rodrigues email: alfredosena@yahoo.com.br organization: Instrumentation Unit of Brazilian Agriculture Research Corporation – EMBRAPA – givenname: Tattiane Gomes surname: Costa fullname: Costa, Tattiane Gomes email: tatti_gcosta@yahoo.com.br organization: Federal University of Lavras : UFLA, Forestry Science Department – givenname: Mário surname: Guimarães Junior fullname: Guimarães Junior, Mário email: mgjunior@araxa.cefetmg.br organization: Federal Center for Technological Education of Minas Gerais – givenname: Lourival Marin surname: Mendes fullname: Mendes, Lourival Marin email: lourival@dcf.ufla.br organization: Federal University of Lavras : UFLA, Forestry Science Department – givenname: G.H.D. surname: Tonoli fullname: Tonoli, G.H.D. email: gustavotonoli@yahoo.com.br organization: Federal University of Lavras : UFLA, Forestry Science Department – givenname: José Manoel surname: Marconcini fullname: Marconcini, José Manoel email: jose.marconcini@embrapa.br organization: Instrumentation Unit of Brazilian Agriculture Research Corporation – EMBRAPA |
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CitedBy_id | crossref_primary_10_1016_j_carbpol_2018_11_081 crossref_primary_10_1007_s10570_023_05511_2 crossref_primary_10_1007_s10570_018_1691_9 crossref_primary_10_1007_s12649_018_0295_9 crossref_primary_10_1016_j_ese_2020_100077 crossref_primary_10_1590_01047760201723042303 |
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SubjectTerms | Biomaterials Cellulose Crystal structure Engineering Lignin Nanocomposites Nanostructure Surgical implants Sustainable development Thermal properties Wastes Wood |
Title | Nanocellulose Films from Amazon Forest Wood Wastes: Structural and Thermal Properties |
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