Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment
A new approach is being considered for obtaining microfibrillated cellulose with a low degree of polymerization by sulfuric acid hydrolysis with simultaneous ultrasonic treatment under mild conditions (temperature 25 °C, 80% power control). Samples of initial cellulose, MCC, and MFC were characteriz...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-02-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/15/4/904 |
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| author | Yuriy N. Malyar Irina G. Sudakova Valentina S. Borovkova Anna I. Chudina Elena V. Mazurova Sergey A. Vorobyev Olga Yu. Fetisova Eugene V. Elsufiev Ivan P. Ivanov |
| author_facet | Yuriy N. Malyar Irina G. Sudakova Valentina S. Borovkova Anna I. Chudina Elena V. Mazurova Sergey A. Vorobyev Olga Yu. Fetisova Eugene V. Elsufiev Ivan P. Ivanov |
| author_sort | Yuriy N. Malyar |
| collection | DOAJ |
| description | A new approach is being considered for obtaining microfibrillated cellulose with a low degree of polymerization by sulfuric acid hydrolysis with simultaneous ultrasonic treatment under mild conditions (temperature 25 °C, 80% power control). Samples of initial cellulose, MCC, and MFC were characterized by FTIR, XRF, SEM, DLS, and TGA. It was found that a high yield of MFC (86.4 wt.%) and a low SP (94) are observed during hydrolysis with ultrasonic treatment for 90 min. It was shown that the resulting microfibrillated cellulose retains the structure of cellulose I and has an IC of 0.74. It was found that MFC particles are a network of fibrils with an average size of 91.2 nm. ζ-potential of an aqueous suspension of MFC equal to −23.3 mV indicates its high stability. It is noted that MFC has high thermal stability, the maximum decomposition temperature is 333.9 °C. Simultaneous hydrolysis process with ultrasonic treatment to isolate MFC from cellulose obtained by oxidative delignification of spruce wood allows to reduce the number of stages, reduce energy costs, and expand the scope. |
| first_indexed | 2024-03-11T08:14:02Z |
| format | Article |
| id | doaj.art-a82811eb4a9c47799aaa4acd92370a21 |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-11T08:14:02Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-a82811eb4a9c47799aaa4acd92370a212023-11-16T22:51:31ZengMDPI AGPolymers2073-43602023-02-0115490410.3390/polym15040904Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic TreatmentYuriy N. Malyar0Irina G. Sudakova1Valentina S. Borovkova2Anna I. Chudina3Elena V. Mazurova4Sergey A. Vorobyev5Olga Yu. Fetisova6Eugene V. Elsufiev7Ivan P. Ivanov8Institute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaInstitute of Chemistry and Chemical Technology, Krasnoyarsk Science Center, Siberian Branch Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk 660036, RussiaA new approach is being considered for obtaining microfibrillated cellulose with a low degree of polymerization by sulfuric acid hydrolysis with simultaneous ultrasonic treatment under mild conditions (temperature 25 °C, 80% power control). Samples of initial cellulose, MCC, and MFC were characterized by FTIR, XRF, SEM, DLS, and TGA. It was found that a high yield of MFC (86.4 wt.%) and a low SP (94) are observed during hydrolysis with ultrasonic treatment for 90 min. It was shown that the resulting microfibrillated cellulose retains the structure of cellulose I and has an IC of 0.74. It was found that MFC particles are a network of fibrils with an average size of 91.2 nm. ζ-potential of an aqueous suspension of MFC equal to −23.3 mV indicates its high stability. It is noted that MFC has high thermal stability, the maximum decomposition temperature is 333.9 °C. Simultaneous hydrolysis process with ultrasonic treatment to isolate MFC from cellulose obtained by oxidative delignification of spruce wood allows to reduce the number of stages, reduce energy costs, and expand the scope.https://www.mdpi.com/2073-4360/15/4/904spruce woodmicrocrystalline cellulosesulfuric acid hydrolysisultrasonic treatmentmicrofibrillated cellulose |
| spellingShingle | Yuriy N. Malyar Irina G. Sudakova Valentina S. Borovkova Anna I. Chudina Elena V. Mazurova Sergey A. Vorobyev Olga Yu. Fetisova Eugene V. Elsufiev Ivan P. Ivanov Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment Polymers spruce wood microcrystalline cellulose sulfuric acid hydrolysis ultrasonic treatment microfibrillated cellulose |
| title | Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment |
| title_full | Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment |
| title_fullStr | Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment |
| title_full_unstemmed | Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment |
| title_short | Microfibrillated Cellulose with a Lower Degree of Polymerization; Synthesis via Sulfuric Acid Hydrolysis under Ultrasonic Treatment |
| title_sort | microfibrillated cellulose with a lower degree of polymerization synthesis via sulfuric acid hydrolysis under ultrasonic treatment |
| topic | spruce wood microcrystalline cellulose sulfuric acid hydrolysis ultrasonic treatment microfibrillated cellulose |
| url | https://www.mdpi.com/2073-4360/15/4/904 |
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