Polyurethane synthesis from sugarcane bagasse organosolv and Kraft lignin
Conference proceedings article
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Publication Details
Author list: Sakdaronnarong C., Srimarut N., Laosiripojana N.
Publisher: Trans Tech Publications
Publication year: 2015
Volume number: 659
Start page: 527
End page: 532
Number of pages: 6
ISBN: 9783038355526
ISSN: 1013-9826
eISSN: 1662-9795
Languages: English-Great Britain (EN-GB)
Abstract
Sugarcane bagasse (SCB) was subjected to a single-step fractionation and hydrolysis reaction in the presence of various organic solvents. The reaction was performed at 170 ฐC for 3 h when sodium hydroxide was used as catalyst. The results showed that suitable solvents significantly enhanced the yield of lignin fractionation and simultaneous hydrolysis reaction took place indicated by an increase of hydroxyl groups in lignin molecules. Lignin-based polyurethane (LPU) from SCB organosolv lignin polyols had relatively better mechanical and thermal resistant properties compared to LPU from liquefied Kraft lignin from pulp and paper industry. ฉ (2015) Trans Tech Publications, Switzerland.
Keywords
Liquefied Kraft lignin, Organosolv lignin, Rigid polyurethane synthesis