Synthesis and characterization of cellulose acetate from royal palm tree agroindustrial waste
This study provides a novel value‐added utilization of the agroindustrial waste of royal palm tree leaf sheath to produce cellulose acetate. One of the motivations of this work was the fact that Brazil is one of the largest heart of palm producers in the world. However, as a result of extraction and...
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| Veröffentlicht in: | Polymer engineering and science 2019-05, Vol.59 (5), p.891-898 |
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| creator | Battisti, Rodrigo Hafemann, Eduardo Claumann, Carlos Alberto Machado, Ricardo Antonio Francisco Marangoni, Cintia |
| description | This study provides a novel value‐added utilization of the agroindustrial waste of royal palm tree leaf sheath to produce cellulose acetate. One of the motivations of this work was the fact that Brazil is one of the largest heart of palm producers in the world. However, as a result of extraction and processing, tons of waste are generated and discharged to the environment. Such waste is rich in lignocellulosic material, which could be reused to obtain derivatives of interest and commercial value. The synthesis of cellulose acetate was performed through a homogeneous acetylation reaction. Three different conditions were tested for delignification of the raw material, which resulted in a reduction in lignin content from 17.75 to 7.72%. The highest yield of cellulose acetate reached 99.5%, with degree of substitutions ranging between 2.08 and 2.82, which indicates satisfactory conversion. The Fourier transform infrared spectrum showed that practically all hydroxyl groups were replaced by acetate groups; this was also confirmed by nuclear magnetic resonance analysis. X‐ray diffraction analysis showed that the cellulose acetate crystallinity index was 8.9%. This demonstrates the viable potential of cellulose acetate production with low cost and use of highly available agroindustrial waste. POLYM. ENG. SCI., 59:891–898, 2019. © 2018 Society of Plastics Engineers |
| doi_str_mv | 10.1002/pen.25034 |
| format | Article |
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One of the motivations of this work was the fact that Brazil is one of the largest heart of palm producers in the world. However, as a result of extraction and processing, tons of waste are generated and discharged to the environment. Such waste is rich in lignocellulosic material, which could be reused to obtain derivatives of interest and commercial value. The synthesis of cellulose acetate was performed through a homogeneous acetylation reaction. Three different conditions were tested for delignification of the raw material, which resulted in a reduction in lignin content from 17.75 to 7.72%. The highest yield of cellulose acetate reached 99.5%, with degree of substitutions ranging between 2.08 and 2.82, which indicates satisfactory conversion. The Fourier transform infrared spectrum showed that practically all hydroxyl groups were replaced by acetate groups; this was also confirmed by nuclear magnetic resonance analysis. X‐ray diffraction analysis showed that the cellulose acetate crystallinity index was 8.9%. This demonstrates the viable potential of cellulose acetate production with low cost and use of highly available agroindustrial waste. POLYM. ENG. 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One of the motivations of this work was the fact that Brazil is one of the largest heart of palm producers in the world. However, as a result of extraction and processing, tons of waste are generated and discharged to the environment. Such waste is rich in lignocellulosic material, which could be reused to obtain derivatives of interest and commercial value. The synthesis of cellulose acetate was performed through a homogeneous acetylation reaction. Three different conditions were tested for delignification of the raw material, which resulted in a reduction in lignin content from 17.75 to 7.72%. The highest yield of cellulose acetate reached 99.5%, with degree of substitutions ranging between 2.08 and 2.82, which indicates satisfactory conversion. The Fourier transform infrared spectrum showed that practically all hydroxyl groups were replaced by acetate groups; this was also confirmed by nuclear magnetic resonance analysis. X‐ray diffraction analysis showed that the cellulose acetate crystallinity index was 8.9%. This demonstrates the viable potential of cellulose acetate production with low cost and use of highly available agroindustrial waste. POLYM. ENG. SCI., 59:891–898, 2019. © 2018 Society of Plastics Engineers</description><subject>Acetates</subject><subject>Acetylation</subject><subject>Agricultural wastes</subject><subject>Cellulose</subject><subject>Cellulose acetate</subject><subject>Cellulose esters</subject><subject>Chemical properties</subject><subject>Diagnostic imaging</subject><subject>Employee motivation</subject><subject>Fourier transforms</subject><subject>Hydroxides</subject><subject>Hydroxyl groups</subject><subject>Infrared radiation</subject><subject>Lignin</subject><subject>Lignocellulose</subject><subject>NMR</subject><subject>Novels</subject><subject>Nuclear magnetic resonance</subject><subject>Palms (Plants)</subject><subject>Polymers</subject><subject>Polysaccharides</subject><subject>Production processes</subject><subject>Raw materials</subject><subject>Sheaths</subject><subject>X-ray diffraction</subject><issn>0032-3888</issn><issn>1548-2634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNp1kl1rFDEUhoMouFYv_AcBrwRnm8_5uCyl1UJRaeulhEzmZDZlJlmTDHX99aauoAtbAiecnOc9OQdehN5SsqaEsNMt-DWThItnaEWlaCtWc_EcrQjhrOJt275Er1K6J4Xlsluh77c7nzeQXMLaD9hsdNQmQ3S_dHbB42CxgWlappAAawNZZ8A2hhnHsNMT3uppxjlCKY4xOD8sKUdXCg86ZXiNXlg9JXjz9z5B3y4v7s4_VddfPl6dn11XRlIiqkFKyy2tBwambspsA--7piOCCCFJ37J66HlDeU-g4Z2VlNkGSiYJY-3AKT9B7_Z9tzH8WCBldR-W6MuXijHadqTjgv2jRj2Bct6GXJadXTLqTLZdV9eNFIWqjlAjeIh6Ch6sK88H_PoIX84AszNHBe8PBIXJ8DOPeklJXd3eHLIf_mP7JTkPqYTkxk1Oe8mx1iaGlCJYtY1u1nGnKFGP_lDFH-qPPwp7umcfyny7p0H19eLzXvEbKRm5Ig</recordid><startdate>201905</startdate><enddate>201905</enddate><creator>Battisti, Rodrigo</creator><creator>Hafemann, Eduardo</creator><creator>Claumann, Carlos Alberto</creator><creator>Machado, Ricardo Antonio Francisco</creator><creator>Marangoni, Cintia</creator><general>John Wiley & Sons, Inc</general><general>Society of Plastics Engineers, Inc</general><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><scope>ISR</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-7763-4015</orcidid></search><sort><creationdate>201905</creationdate><title>Synthesis and characterization of cellulose acetate from royal palm tree agroindustrial waste</title><author>Battisti, Rodrigo ; 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X‐ray diffraction analysis showed that the cellulose acetate crystallinity index was 8.9%. This demonstrates the viable potential of cellulose acetate production with low cost and use of highly available agroindustrial waste. POLYM. ENG. SCI., 59:891–898, 2019. © 2018 Society of Plastics Engineers</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/pen.25034</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-7763-4015</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Acetates Acetylation Agricultural wastes Cellulose Cellulose acetate Cellulose esters Chemical properties Diagnostic imaging Employee motivation Fourier transforms Hydroxides Hydroxyl groups Infrared radiation Lignin Lignocellulose NMR Novels Nuclear magnetic resonance Palms (Plants) Polymers Polysaccharides Production processes Raw materials Sheaths X-ray diffraction |
| title | Synthesis and characterization of cellulose acetate from royal palm tree agroindustrial waste |
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