Authors:
S. Lin National Yunlin University of Science and Technology Doctoral Program, Graduate School of Engineering Science and Technology 123, University Rd., Sec. 3 Douliou, Yunlin Taiwan 64002 ROC

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J. Tseng National Yunlin University of Science and Technology Doctoral Program, Graduate School of Engineering Science and Technology 123, University Rd., Sec. 3 Douliou, Yunlin Taiwan 64002 ROC

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Y. Lin National Chung Hsing University Department of Chemistry 250, Kuo-Kuang Rd. Taichung Taiwan 40227 ROC

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W. Huang Kao Yuan University Information Management 1821, Jhonhshan Rd. Lujhu Township, Kaohsiung Taiwan 82151 ROC

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C. Shu National Yunlin University of Science and Technology Doctoral Program, Graduate School of Engineering Science and Technology 123, University Rd., Sec. 3 Douliou, Yunlin Taiwan 64002 ROC

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Abstract  

The polymerization mechanisms of styrene and various derivatives by α-methylstyrene (AMS) and trans-β-methylstyrene (TBMS) were evaluated. Experiments were carried out for dimerization identification and thermal polymerization estimation by differential scanning calorimetry (DSC), thermal activity monitor (TAM) and Fourier transform infrared absorption spectrophotometer (FTIR). The results show that, under temperature ranges of 60–190 and 50–170°C, AMS and TBMS performed dimerization by benzene ring and ethylene double bond, respectively. AMS and TBMS would form unsaturated dimers, saturated dimers and trimers, etc., during the period of thermal polymerization. Through this study, one can estimate possible intermediates of the polymerization process for the monomer of interest in the petrochemical industry.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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