Published September 4, 2013
| Version v1
Conference paper
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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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