Characterization of pyrolysis products formed from styrene-1,2-unit heterosequence of styrene–butadiene copolymer
作者： Sung-Seen Choi , Hyuk-Min Kwon
DOI: 10.1016/J.JAAP.2012.11.014
关键词:
摘要: Abstract Styrene–butadiene rubbers (SBRs) were pyrolyzed and the pyrolysis products analyzed using gas chromatography/mass spectrometry (GC/MS). 3-Phenylcyclopentene (3-PCP) 4-phenylcyclohexene (4-PCH) found to be characteristic formed from styrene-1,2-unit heterosequence. 4-PCH can also generated styrene-1,4-unit Relative abundance of was larger than that 3-PCP. intensities 3-PCP decreased with increasing temperature. By comparing (3-PCP + 4-PCH)/butadiene ratios bound unbound an SBR compound, relative heterosequence in rubber smaller one. Degree raw or estimated by analyzing pyrolysis-GC/MS.
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