Isolation of Cellulose Nanocrystals from Bacterial Cellulose Produced from Pineapple Peel Waste Juice as Culture Medium

被引：33

作者：

Anwar, Budiman ^{[1
,2
]}

Bundjali, Bunbun ^{[2
]}

Arcana, I. Made ^{[2
]}

机构：

[1] Indonesia Univ Educ, Dept Chem Educ, Jl Dr Setiabudi 229, Bandung 40154, Indonesia

[2] Bandung Inst Technol, Inorgan & Phys Chem Res Div, Bandung 40132, Indonesia

来源：

INTERNATIONAL SYMPOSIUM ON APPLIED CHEMISTRY 2015 | 2015年 / 16卷

关键词：

Cellulose Nanocrystals; Bacterial Cellulose; Pineapple Peel Waste; FTIR of Cellulose Nanocrystals; NANOCOMPOSITES; WHISKERS; BEHAVIOR; BIONANOCOMPOSITES; EXTRACTION;

D O I：

10.1016/j.proche.2015.12.051

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Cellulose nanocrystals (CNC) were isolated by the sulfuric acid hydrolysis of bacterial cellulose (BC) produced by Gluconacetobacter xylinus using pineapple peel waste juice as culture medium. Optimal conditions of the acid hydrolysis were obtained at concentration of sulfuric acid of 50%, hydrolysis time ranging 25 similar to 40 minutes and temperature at 50 degrees C. The FTIR study shows that the CNC spectrum were similar with BC which indicated that both have similar chemical composition; however there are some peaks alteration at 2900 cm (1) and 1430 cm (1) which indicated that BC has changed into CNC. The crystallinity of CNC determined by FTIR was found to be higher than BC. By TEM observation, the CNC particles had average length of 325 nm and diameter of 25 nm with average aspect ratio (L/D) around 13. The TEM images also show the morphology of CNC that has rod-like structure. (C) 2015 The Authors. Published by Elsevier B.V.

引用

页码：279 / 284

页数：6

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