CHARACTERISTIC OF POLY LACTID ACID (PLA)/ COIR WITH ADDITION OF CHITOSAN VARIATIONS FOR REVIEWING PLASTIC MATERIALS

Ridwan; Teuku Rihayat; Adi Saputra Ismy; Awanis Ilmi; Nurhanifa Aidy; Atiqah Aida

doi:10.29121/granthaalayah.v10.i10.2022.4832

Authors

Ridwan Department of Chemical Engineering, Lhokseumawe State Polytechnic, Jl. Medan - Banda Aceh No. Km. 280, RW. Buketrata, Punteut Mosque, Blang Mangat, Lhokseumawe City, Aceh 24301, Indonesia
Teuku Rihayat Department of Chemical Engineering, Lhokseumawe State Polytechnic, Jl. Medan - Banda Aceh No. Km. 280, RW. Buketrata, Punteut Mosque, Blang Mangat, Lhokseumawe City, Aceh 24301, Indonesia
Adi Saputra Ismy Department of Mechanical Engineering, Lhokseumawe State Polytechnic, Jl. Medan - Banda Aceh No. Km. 280, RW. Buketrata, Punteut Mosque, Blang Mangat, Lhokseumawe City, Aceh 24301, Indonesia
Awanis Ilmi Department of Chemical Engineering, Lhokseumawe State Polytechnic, Jl. Medan - Banda Aceh No. Km. 280, RW. Buketrata, Punteut Mosque, Blang Mangat, Lhokseumawe City, Aceh 24301, Indonesia
Nurhanifa Aidy Department of Renewable Energy Engineering, Malikussaleh University, Engku Nie, Cot Rd, Reuleut Tim., Muara Batu, North Aceh Regency, 24354, Aceh, Indonesia
Atiqah Aida Department of Chemical Engineering, Lhokseumawe State Polytechnic, Jl. Medan - Banda Aceh No. Km. 280, RW. Buketrata, Punteut Mosque, Blang Mangat, Lhokseumawe City, Aceh 24301, Indonesia

DOI:

https://doi.org/10.29121/granthaalayah.v10.i10.2022.4832

Keywords:

Poly Lactid Acid, Coir, Chitosan, Polymers

Abstract [English]

Poly lactic acid or poly lactide (PLA) is a natural polymer that is biodegradable, thermoplastic and is an aliphatic polyester made from renewable materials such as young kepok banana starch. Poly lactic acid with the chemical formula CH3CH(OH)COOH is a biodegradable polymer obtained from the combination of lactic acid monomers. Therefore, in this study the PLA polymer as a matrix was added with fillers in the form of Coir and Chitosan. Coir is a coconut fiber that has been widely used by researchers for decades. Chitosan has been widely used as an important and promising biopolymer material in tissue engineering because of its anti-microbial activity, biodegradability, biocompatibility, and non-toxicity. The characteristics resulting from the combination of these three materials resulted in 4 samples, namely the fixed variable PLA with variations of Coir and Chitosan. Sample 1 Coir/Chitosan ( 90:10 (%)) produces a tensile strength value of 80 MPa. Sample 2 Coir/Chitosan (80:20 (%)) yielded a tensile strength of 55 MPa. Samples of 3 Coir/Chitosan (70:80 (%)) yielded a tensile strength of 48 MPa. Samples of 4 Coir/Chitosan (60:40 (%)) produced a tensile strength of 30 MPa. The FTIR test on sample 1 resulted in a new compound found in the PLA/Coir/Chitosan composite, namely the compound N=C=O which is an isocyanate group at the peak of the 2279.86 cm-1 group. While the SEM test which shows the physical structure of the sample composition of PLA with the addition of Coir/Chitosan (90:10%) is the sample with the best morphology.

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