Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Tannin/furanic rigid foams were modified by either polymeric 4,4’ diphenylmethane diisocyanate (pMDI) or a one-component polyurethane still presenting reactive isocyanate groups (PUR). Several different sequences of mixing the isocyanate and polyurethane with the chemicals used to prepare...

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Bibliographic Details
Main Authors: X Li, M.C Basso, V Fierro, A Pizzi, A Celzard
Format: Article
Language:English
Published: Universidad del Bío-Bío 2012-11-01
Series:Maderas: Ciencia y Tecnología
Subjects:
Tannin/furanic rigid foams
isocyanate modification
polyurethane modificaton
microstructure
mechanical properties
Online Access:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2012000300001

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