Chitin fiber from mushroom as reinforcement for biobased polymer
This project aimed to study the reinforcement effect of fungal chitin at different loading on chitin/PLA composite. The chitin nanofibers were extracted from three mushroom species (oyster mushroom Pleurotus ostreatus, shiitake mushroom Lentinula edodes, enoki mushroom Flammulina velutipes) and u...
Saved in:
Main Authors: | , , , |
---|---|
Format: | Conference or Workshop Item |
Language: | English |
Published: |
IOP Publishing
2021
|
Subjects: | |
Online Access: | http://irep.iium.edu.my/96778/1/96778_Chitin%20fiber%20from%20mushroom.pdf http://irep.iium.edu.my/96778/ https://iopscience.iop.org/article/10.1088/1757-899X/1192/1/012016 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | This project aimed to study the reinforcement effect of fungal chitin at different
loading on chitin/PLA composite. The chitin nanofibers were extracted from three mushroom
species (oyster mushroom Pleurotus ostreatus, shiitake mushroom Lentinula edodes, enoki
mushroom Flammulina velutipes) and used as a reinforcement element in PLA. The chitin/PLA
composite was fabricated using a solvent-casting method followed by the hot-compress molding
method. In the solvent-casting method, the chitin nanofibers were dispersed in PLA/chloroform
mixture and the mixture was left for solvent evaporation. The solvent-free chitin/PLA thin film
was then filled in dog bone mold before proceeded with hot-compress molding at 190°C and 70
bar. The samples with different chitin loading were tested with tensile test to study the
mechanical performance of nanocomposite. The chitin/PLA composite from oyster mushroom
shows the optimum result (σ= 43 MPa, E= 12 MPa) at 5% chitin loading. The increment of the
chitin loading leads to a decrease in both strength and strain. However, for the samples from
enoki and shitake mushrooms, the optimum chitin loading is 10% with 55 MPa and 56 MPa
tensile strength, respectively. This study suggests the potential of fungal chitin as reinforcement
in PLA. |
---|