Effects of Surface Functionalization of Lignin on Synthesis and Properties of Rigid Bio-Based Polyurethanes Foams

Effects of Surface Functionalization of Lignin on Synthesis and Properties of Rigid Bio-Based Polyurethanes Foams

We report the preparation of lignin-based rigid polyurethane (RPU) foams from surface functionalized kraft lignin via a simple and environmentally benign process. Lignin was functionalized with polyisocyanate at 80 °C for 1 h, the resulting lignin-polyisocyanate prepolymer was confirmed by i...

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Bibliographic Details
Main Authors: Xuefeng Zhang, Dragica Jeremic, Yunsang Kim, Jason Street, Rubin Shmulsky
Format: Article
Language:English
Published: MDPI AG 2018-06-01
Series:Polymers
Subjects:
lignin
surface functionalization
rigid polyurethane foam
compressive strength and modulus
thermal insulation
building materials
Online Access:http://www.mdpi.com/2073-4360/10/7/706

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