Effect of Rice Straw on the Mechanical and Biodegradability Properties  of the Poly (Polyethylene-G-Acrylic Acid)

G. Yeligbayeva; Zh.K. Orazalin; Abdassalam A.Alfergani; K.K. Omirzakova; N.B. Milissova; Eny Kusrini

doi:10.31643/2026/6445.28

Authors

G. Yeligbayeva Satbayev University
Zh.K. Orazalin Kazakh-British Technical University
Abdassalam A.Alfergani Sirte University
K.K. Omirzakova S.D. Asfendiyarov Kazakh National Medical University
N.B. Milissova S.D. Asfendiyarov Kazakh National Medical University
Eny Kusrini Universitas Indonesia

DOI:

https://doi.org/10.31643/2026/6445.28

Keywords:

Polyethylene, acrylic acid, rice straw, biodegradable, mechanical, sustainability.

Abstract

A polyethylene/acrylic copolymer was synthesized using a grafting technique with benzoyl peroxide as a catalyst and xylene as a solvent. Acrylic acid (AA) was grafted onto polyethylene (PE) in a 1:5 ratio. The resulting grafted copolymer, characterized by FTIR, was blended with rice straw at varying percentages of 3%, 5%, and 7% to produce biodegradable films. The properties of these films in water were evaluated through analyses of viscosity, tensile strength, elongation at break, water contact angle, and solubility. Incorporating rice straw enhanced the grafted copolymer's biodegradability, resulting in increased viscosity, tensile strength, and elongation at break of the films, while reducing the water contact angle and solubility. However, incorporating 7% rice straw in the grafted copolymer-based on PE (1.0%) and AA (5.0%) resulted in increases in viscosity, tensile strength, and elongation at break by 29.5%, 46.1%, and 9.6%, respectively, while reducing the contact angle and biodegradability solubility time at 45°C by 25.8%.

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Author Biographies

G. Yeligbayeva, Satbayev University

Professor at the School of Petroleum Engineering, Satbayev University, 22 Satpayev Street, 050013, Almaty; Institute of Organic Synthesis and Carbon Chemistry of the Republic of Kazakhstan, Karaganda, Kazakhstan. ORCID ID: https://orcid.org/0000-0002-7098-5437

Zh.K. Orazalin, Kazakh-British Technical University

PhD student at the School of Materials Science and Green Technologies, Kazakh-British Technical University, 59 Tole bi Street, 050000, Almaty, Kazakhstan. ORCID ID: https://orcid.org/0009-0002-0835-8392

Abdassalam A.Alfergani, Sirte University

Professor at Chemistry Department, Faculty of Education, Sirte University, Sirte, Libya. ORCID ID: https://orcid.org/0009-0009-6632-2380

K.K. Omirzakova, S.D. Asfendiyarov Kazakh National Medical University

Candidate at the Department of Biochemistry, School of General Medicine-1, S.D. Asfendiyarov Kazakh National Medical University, 151 Bogenbay Str., Almaty 480012, Kazakhstan.

N.B. Milissova, S.D. Asfendiyarov Kazakh National Medical University

Master's in Department of Engineering disciplines and Proper Practices, School of Pharmacy, S.D. Asfendiyarov Kazakh National Medical University, 151 Bogenbay Str., Almaty 480012, Kazakhstan. ORCID ID: https://orcid.org/0000-0001-7833-6258

Eny Kusrini, Universitas Indonesia

Professor at Department of Chemical Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia. ORCID ID: https://orcid.org/0000-0002-7919-0083

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