2012 ©
             Publication
Journal Publication
Title of Article Reinforcing Efficiency of Pyrolyzed Spent Coffee Ground in Styrene-Butadiene Rubber 
Date of Acceptance 25 July 2021 
Journal
     Title of Journal Macromolecular Research 
     Standard SCOPUS 
     Institute of Journal Springer Nature 
     ISBN/ISSN  
     Volume 29 
     Issue
     Month September
     Year of Publication 2021 
     Page 597-604 
     Abstract This research aimed to study the reinforcing efficiency of pyrolyzed spent coffee ground (SCG) in styrene-butadiene rubber (SBR). The SCG was initially treated at elevated temperatures of 700 °C and 900 °C (under nitrogen gas) before being characterized by various techniques, e.g., particle size analysis, Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy. After being added into SBR, properties of the rubber compounds and vulcanizates were determined. The results showed that pyrolysis of SCG at 700 °C and 900 °C significantly reduced the average particle size from 39.8 µm to 27.3 µm and 25.3 µm, respectively. The addition of pyrolyzed SCG into SBR resulted in the increases of both rubber-filler interaction, as evidenced from the increase of bound rubber content, and crosslink density, leading to the improvement of mechanical properties of the rubber vulcanizates when compared with the addition of untreated SCG. 
     Keyword rubber, spent coffee grounds, reinforcement, pyrolysis, mechanical properties 
Author
607020019-1 Mr. SUPPAROEK BOOPASIRI [Main Author]
Science Doctoral Degree

Reviewing Status มีผู้ประเมินอิสระ 
Status ตีพิมพ์แล้ว 
Level of Publication นานาชาติ 
citation false 
Part of thesis false 
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