Lignosulfonamides as a new group halogen free flame retardant for PLA
Polimery/Polymers, ISSN: 0032-2725, Vol: 69, Issue: 11-12, Page: 681-693
2024
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Most Recent News
New Findings from Cracow University of Technology in Polymer Science and Technology Provides New Insights (Lignosulfonamides As a New Group Halogen Free Flame Retardant for Pla)
2025 FEB 13 (NewsRx) -- By a News Reporter-Staff News Editor at Chemicals & Chemistry Daily Daily -- A new study on Science - Polymer
Article Description
Dibutyl-lignosulfonamide (DBA), N-butyl-N-dodecyl-lignosulfonamide (NNA) and didodecyl-lignosulfonamide (DDA) were used as halogen-free flame retardants (HFFR) of PLA. Lignosulfonamides were used in amounts of 3, 6 and 9 wt%. The composites were analyzed by TGA, DSC and micro-combustion calorimetry (MCC). Lignosulfonamides were shown to reduce PLA flammability by up to 40%. The lowest flammability was obtained with the highest HFFR content. The reduction in flammability can be explained by the release of SO at the early stage of biocomposite decomposition, which promotes the formation of coke and char, acting as a local insulator.
Bibliographic Details
LUKASIEWICZ Research Network - Industrial Chemistry Research Institute
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