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Liquefaction of wheat straw and preparation of rigid polyurethane foam from the liquefaction products

✍ Scribed by Fangeng Chen; Zhuomin Lu


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
505 KB
Volume
111
Category
Article
ISSN
0021-8995

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Oxypropylation of Lignins and Preparatio
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## Abstract **Summary:** Different lignins were converted into polyols by a chain extension reaction with propylene oxide (**PO**). Thus, soda lignin from __Alfa__ (__Stipa tenacissima__) (**SL**), organosolv lignin from hardwoods (**OL**), kraft lignin (**KL**) from softwood and oxidized organosol