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Published September 4, 2013 | Version v1
Conference paper Open

Flammability and Thermal Properties of Rigid Polyurethane Foams Containing Wheat Straw Lignin

  • 1. Latvian State Institute of Wood Chemistry

Description

Due to development of new generation of biomass processing, the examination of novel lignin products for creation of lignin-containing PU remains actual up to now. For preparation of lignin containing PU in this study a novel BIOLIGNIN was used. BIOLIGNIN is extracted from wheat straw in organic acid media using biomass refinery technology. The influence of chemically non-modified BIOLIGNIN and oxypropylated BIOLIGNIN on flammability and thermal properties in rigid PU foams was studied. Improvement of flame resistance and thermal stability is observed if chemically non-modified lignin as well as oxypropylated lignin is used.

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Funding

BIOCORE – Biocommodity refinery 241566
European Commission