Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni

Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni

Nanocellulose possess good properties such as renewable, biodegradable and low cost which suitable in various application. The aim of this study is to isolate cellulose nanofibril (CNF) from oil palm empty fruit bunch (OPEFB) fiber using sodium hydroxide (NaOH) alkaline treatment at different temper...

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Main Author: Mesni, Maizatul Saadiah
Format: Student Project
Language:English
Published: Faculty of Applied Sciences 2017
Subjects:
QD Chemistry
Analytical chemistry
Online Access:http://ir.uitm.edu.my/id/eprint/26898/
http://ir.uitm.edu.my/id/eprint/26898/1/PPb_MAIZATUL%20SAADIAH%20MESNI%20AS%20N%2017_5.pdf
id uitm-26898
recordtype eprints
spelling uitm-268982019-12-16T06:49:00Z http://ir.uitm.edu.my/id/eprint/26898/ Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni Mesni, Maizatul Saadiah QD Chemistry Analytical chemistry Nanocellulose possess good properties such as renewable, biodegradable and low cost which suitable in various application. The aim of this study is to isolate cellulose nanofibril (CNF) from oil palm empty fruit bunch (OPEFB) fiber using sodium hydroxide (NaOH) alkaline treatment at different temperature ( 45 QC, 55 QC, 65 QC, 75 QC, 85 QC). The isolated CNF was further functionalized with sodium monochloroacetic acid (MCA) by alkalization and etherification process to form carboxymethyl cellulose nanofibril (CM-CNF). All the product of CNF and CMCNF was characterized using Attenuated Total Reflection-Fourier Transform Infrared (ATR-FTIR), Ultraviolet Visible (UV-Vis) and Thermal Gravimetric Analysis (TGA). The highest percentage yield obtained is CNF-55 with 28.97% as well as CM-CNF 65 with 93%. Infrared analysis of CNF showed the absence peaks at 1700 cm- 1 and 1200 cm- 1 indicating efficiently removed of hemicellulose and lignin after bleaching process. The CM-CNF spectra showed the new peak appeared at 1600 cm- 1 represent the substitution of hydrogen atom to carboxyl group (Coo). Analysis of visible light transmittance suggest, CNF has a smaller diameter size due to higher percentage transmittance obtained was above 90% which indicate in all condition. CNF-55 and CM-CNF 55 showed a better thermal stability due to the efficiency in removing lignocellulosic materials. Faculty of Applied Sciences 2017 Student Project NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/26898/1/PPb_MAIZATUL%20SAADIAH%20MESNI%20AS%20N%2017_5.pdf Mesni, Maizatul Saadiah (2017) Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni. [Student Project] (Unpublished)
repository_type Digital Repository
institution_category Local University
institution Universiti Teknologi MARA
building UiTM Institutional Repository
collection Online Access
language English
topic QD Chemistry
Analytical chemistry
spellingShingle QD Chemistry
Analytical chemistry
Mesni, Maizatul Saadiah
Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
description Nanocellulose possess good properties such as renewable, biodegradable and low cost which suitable in various application. The aim of this study is to isolate cellulose nanofibril (CNF) from oil palm empty fruit bunch (OPEFB) fiber using sodium hydroxide (NaOH) alkaline treatment at different temperature ( 45 QC, 55 QC, 65 QC, 75 QC, 85 QC). The isolated CNF was further functionalized with sodium monochloroacetic acid (MCA) by alkalization and etherification process to form carboxymethyl cellulose nanofibril (CM-CNF). All the product of CNF and CMCNF was characterized using Attenuated Total Reflection-Fourier Transform Infrared (ATR-FTIR), Ultraviolet Visible (UV-Vis) and Thermal Gravimetric Analysis (TGA). The highest percentage yield obtained is CNF-55 with 28.97% as well as CM-CNF 65 with 93%. Infrared analysis of CNF showed the absence peaks at 1700 cm- 1 and 1200 cm- 1 indicating efficiently removed of hemicellulose and lignin after bleaching process. The CM-CNF spectra showed the new peak appeared at 1600 cm- 1 represent the substitution of hydrogen atom to carboxyl group (Coo). Analysis of visible light transmittance suggest, CNF has a smaller diameter size due to higher percentage transmittance obtained was above 90% which indicate in all condition. CNF-55 and CM-CNF 55 showed a better thermal stability due to the efficiency in removing lignocellulosic materials.
format Student Project
author Mesni, Maizatul Saadiah
author_facet Mesni, Maizatul Saadiah
author_sort Mesni, Maizatul Saadiah
title Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
title_short Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
title_full Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
title_fullStr Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
title_full_unstemmed Effect of temperature on the thermal stability of cellulose nanofibril (CNF) and its functionalized derivative / Maizatul Saadiah Mesni
title_sort effect of temperature on the thermal stability of cellulose nanofibril (cnf) and its functionalized derivative / maizatul saadiah mesni
publisher Faculty of Applied Sciences
publishDate 2017
url http://ir.uitm.edu.my/id/eprint/26898/
http://ir.uitm.edu.my/id/eprint/26898/1/PPb_MAIZATUL%20SAADIAH%20MESNI%20AS%20N%2017_5.pdf
first_indexed 2023-09-18T23:17:34Z
last_indexed 2023-09-18T23:17:34Z
_version_ 1777419214305361920

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