Nanocellulose Removes the Need for Chemical Crosslinking in Tannin-Based Rigid Foams and Enhances Their Strength and Fire Retardancy
Sign Up to like & getrecommendations! Published in 2022 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.2c02678
Abstract: Thermal insulation and fire protection are two of the most critical features affecting energy efficiency and safety in built environments. Together with the associated environmental footprint, there is a strong need to consider new insulation… read more here.
Keywords: need chemical; rigid foams; fire; tannin ... See more keywords
Measurement of thermal expansions of closed-cell polyurethane rigid foams at cryogenic temperatures with an extensometer technique
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0033182
Abstract: The database of thermal expansion behavior of closed-cell polyurethane rigid foam at very low temperatures is required for designing and manufacturing thermal insulation components of various cryogenic systems. In the present work, thermal expansion behaviors… read more here.
Keywords: polyurethane rigid; cell polyurethane; polyurethane; rigid foams ... See more keywords
Sunflower Oil as a Renewable Resource for Polyurethane Foams: Effects of Flame-Retardants
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14235282
Abstract: Currently, polyurethane (PU) manufacturers seek green alternatives for sustainable production. In this work, sunflower oil is studied as a replacement and converted to a reactive form through epoxidation and oxirane opening to produce rigid PU… read more here.
Keywords: oil renewable; rigid foams; oil; foams effects ... See more keywords