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Izolacija nanoceluloze iz juvenilne in adultne smrekovine : diplomski projekt = Isolation of nanocelulose from juvenile and adult wood of Norway spruce : B. Sc. thesisPongrac, MatjažCilj diplomske naloge je bila priprava nanoceluloze iz juvenilnega in adultnega lesa smrekovine. Predelava materiala je potekala od kolutov lesa, do zelo majhnih nano delcev. Z razrezom in mletjem ... smo les najprej dezintegrirali do lesnega prahu, nato pa ga s kemičnimi postopki čiščenja, delignifikacije in odstranjevanja hemiceluloz obdelovali dokler nismo dobili [alfa]-celuloze. Tem postopkom je sledila TEMPO oksidacija in mehanska obdelava. Na ta način smo uspeli pridobiti suspenzijo, ki je vsebovala celulozna vlakna, fragmente celuloznih vlaken in fragmente njihovih celičnih sten ter zelo majhne delce, ki so formirali gel. Ta je izkazoval značilnosti gela, ki je sicer značilen za nanofibrilirano celulozo. Postopek je mogoče bistveno izboljšati z izborom vhodnega materiala, finejšim mletjem ter učinkovitejšo kemično in mehansko obdelavo materiala.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Pongrac], 2016Language - slovenianCOBISS.SI-ID - 2637193
Author
Pongrac, Matjaž
Other authors
Poljanšek, Ida |
Vek, Viljem |
Oven, Primož
Topics
smreka |
celuloza |
nanoceluloza |
TEMPO oksidacija |
Norway spruce |
cellulose |
nanocellulose |
TEMPO oxidation
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Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pongrac, Matjaž | ![]() |
Poljanšek, Ida | 12041 |
Vek, Viljem | 30758 |
Oven, Primož | 11223 |
Source: Personal bibliographies
and: SICRIS
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