Alkaline extraction of lignin from peanut shell biomass for the production of wood resin coatings/ Patrick Josua B. Legaspi, Zcarina Rei F. Muyargas, and Mikkhaela Marie F. Nazario .--

By:

Legaspi, Patrick Josua B [author ]

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Material type: Text

TextPublication details: Manila: Technological University of the Philippines, 2024Description: viii, 108pages: 29cm. +1 CD-ROM (4 3/4in.)Content type:

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Subject(s):

Laboratory technology

LOC classification:

BTH RB 37 L44 2024

Dissertation note: College of Science .-- Bachelor of Applied Science in Laboratory Technology: Technological University of the Philippines, 2024. Summary: In pursuit of an eco-conscious substitute for petroleum-derived epoxy resin, this study endeavors to extract lignin from peanut biomass for the production of a wood resin coating. This study demonstrated the Alkaline Extraction of Lignin using 10% NaOH solution digested for 6 hours and characterized using Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy (SEM). The obtained solid lignin was mixed with PEG 600, fumed silica, and hardener. The ratio of extracted solid lignin to PEG 600 was 1:8, extracted solid lignin with PEG 600 to fumed silica was 1:1 and extracted solid lignin with PEG 600 and fumed silica to hardener was 1:2. Results revealed O-H, C- H, C=C and C-O bonds from the extracted solid lignin with wavelengths of 3371.57 cm-1 , 2922.16 cm-1 , 1633.71 cm-1 , 1228.66cm-1 , respectively. Scanning Electron Microscopy (SEM) revealed visible streaks, small holes, ragged and irregular web-like structures from 100x, 1000x, and 10000x magnifications, respectively. The physicochemical properties of wood coated with lignin-based wood resin coating were successfully conducted with manifested results. This study successfully utilized an alkaline extraction method to extract lignin from peanut shell biomass as an alternative epoxy for wood resin coatings. Further research is recommended to explore suitable plasticizers, additives, and hardeners for potential applications alongside lignin.

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Holdings
Item type	Current library	Shelving location	Call number	Copy number	Status	Notes	Date due	Barcode
Bachelor's Thesis COS	TUP Manila Library	Thesis Section-2nd floor	BTH RB 37 L44 2024 (Browse shelf(Opens below))	c.1.	Not for loan	For library use only		BTH0004976

Thesis (undergraduate)

College of Science .-- Bachelor of Applied Science in Laboratory Technology: Technological University of the Philippines, 2024.

Includes bibliography.

In pursuit of an eco-conscious substitute for petroleum-derived epoxy resin, this
study endeavors to extract lignin from peanut biomass for the production of a wood resin
coating. This study demonstrated the Alkaline Extraction of Lignin using 10% NaOH
solution digested for 6 hours and characterized using Fourier Transform Infrared
Spectroscopy (FTIR) and Scanning Electron Microscopy (SEM). The obtained solid lignin
was mixed with PEG 600, fumed silica, and hardener. The ratio of extracted solid lignin to
PEG 600 was 1:8, extracted solid lignin with PEG 600 to fumed silica was 1:1 and extracted

solid lignin with PEG 600 and fumed silica to hardener was 1:2. Results revealed O-H, C-
H, C=C and C-O bonds from the extracted solid lignin with wavelengths of 3371.57 cm-1

,

2922.16 cm-1

, 1633.71 cm-1

, 1228.66cm-1

, respectively. Scanning Electron Microscopy
(SEM) revealed visible streaks, small holes, ragged and irregular web-like structures from
100x, 1000x, and 10000x magnifications, respectively. The physicochemical properties of
wood coated with lignin-based wood resin coating were successfully conducted with
manifested results. This study successfully utilized an alkaline extraction method to extract
lignin from peanut shell biomass as an alternative epoxy for wood resin coatings. Further
research is recommended to explore suitable plasticizers, additives, and hardeners for
potential applications alongside lignin.

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