Study of the effect of electron beam on thermal and mechanical properties of poly(lactic acid)/poly(butylene succinate) blends

International Conference on Materials Research and Innovation

Tiptipakorn, S.^1 ; Hemvichain, K.^2 ; Pirombua, A.^1

Department of Chemistry, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom

73140, Thailand^1

Thailand Institute of Nuclear Technology (Public Organization), Ministry of Science and Technology, Ongkharak, Nakhon Nayok

26120, Thailand^2

关键词: Dicumyl peroxide;    Fourier transform infrared spectrometer;    Poly lactic acid;    Poly(butylene succinate);    Polylactic acids;    Thermal and mechanical properties;    Universal testing machines;    Weight ratios;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/526/1/012012/pdf
DOI  :  10.1088/1757-899X/526/1/012012

来源: IOP

【 摘 要 】

In this research, the effect of radiation dose on thermal and mechanical properties of polymer blends between poly(lactic acid) (PLA) and poly(butylene succinate) (PBS) were determined at the PLA/PBS weight ratios of 100/0, 80/20, and 0/100. Dicumyl peroxide (DCP) was used as additive at 0.2 phr. The radiation doses were varied at 0-150 kGy. There were some changes of chemical structure upon irradiation as observed via Fourier Transform Infrared Spectrometer (FT-IR), leading to the decrease of melting temperature (Tm) with the increase of radiation doses. Moreover, the flexural strength determined via Universal Testing Machine (UTM) were decreased with increasing radiation doses. The lowest biodegradation was found at the radiation dose of 50 kGy.