Facile preparation of lignocellulosic xerogels by alkali freezing and ambient drying
Qiaoling Huang, Zerong Li, Jialong Hu, Wei Wang, Wei Li
Abstract
Alkali freezing caused fiber gelation through enhanced fiber swelling and hydrogen bonding. Lignin in the fibers reduced capillary forces during ambient drying. Similarly structured xerogels could be generated using recycled NaOH solution.
Topics & Concepts
Alkali metalChemical engineeringChemistryMaterials scienceOrganic chemistryEngineeringAerogels and thermal insulationAdvanced Cellulose Research StudiesFreezing and Crystallization Processes