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has been cited by the following article:

• TITLE: Cellulose Nanoparticles Extracted from Sugarcane Bagasse and Their Use in Biodegradable Recipients for Improving Physical Properties and Water Barrier of the Latter

  AUTHORS: Antônio Jedson Caldeira Brant, Natália Naime, Ademar Benévolo Lugão, Patrícia Ponce

  KEYWORDS: Sugarcane Bagasse, Cellulose from Alkaline Extraction, Acid Hydrolysis of Cellulose, Celullose Nanoparticles, Film-Forming Suspensions, Biodegradable Packaging

  JOURNAL NAME: Materials Sciences and Applications, Vol.11 No.1, January 19, 2020

  ABSTRACT: The present work firstly aimed to obtain cellulose from sugarcane bagasse by using alkaline methods in pulping/delignifying and, at bleaching stages, using sodium chlorite, glacial acetic acid, and hydrogen peroxide, associated to NaOH/KOH. The process was carried out at temperatures varying from 55°C to 110°C, under magnetic stirring in various steps lasting from 2 h to 12 h. The yields of the two cellulose extracted, SCB24-Na-I and SCB24-Na-II, were 37% and 41%, respectively, from samples of ca. 15 g of the bagasse. Secondly, it is to extract nanoparticles from the obtained celluloses via acid hydrolysis (with 77% H2SO4) to lately be tested as reinforcement in biodegradable packagings. Both celluloses and their respective nanoparticles were characterized by several techniques, among them ATR-FTIR, DSC-TGA, XRD, SEM, and TEM. Despite that the yields of cellulose nanoparticles have been low, the preliminary studies of their use in biodegradable films coated on biodegradable pots were promising.