Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 1606-85-5, Name is 2,2-(But-2-yne-1,4-diylbis(oxy))diethanol, molecular formula is C8H14O4. In an article, author is Yang, Haiping,once mentioned of 1606-85-5, Computed Properties of C8H14O4.
A new insight of lignin pyrolysis mechanism based on functional group evolutions of solid char
To elucidate the mechanism of biomass lignin pyrolysis, the functional group evolution in lignin chars derived at 200-600 degrees C was investigated using two-dimensional perturbation correlation infrared spectroscopy, associated with the properties of the volatile products. Results from 2D-PCIS pointed that the change in the alcohol groups C-OH occurs earlier than that in the carbonyl groups C=O before 250 degrees C, corresponding to the reaction of keto-enol tautomerization: C-OH -> C=O, and the cleavage of bonds and remodeling reactions of the side chains of the benzene rings are synchronous. Besides, the formation of simple substituted benzene structures was earlier than complex substituted benzene structures. Decarbonylation, dehydrogenation and dealkylation were intensified during polycondensation of benzene rings. These findings are significant for achieving an in-depth understanding of lignin pyrolysis.
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