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Comparison of Lignocellulose Nanofibrils Extracted from Bamboo Fibrous and Parenchymal Tissues and the Properties of Resulting Films.
Zhang, Xiaofeng; Li, Jingpeng; Bao, Gege; Qin, Daochun; Jin, Xiaobei.
Afiliación
  • Zhang X; Research Institute of Bamboo and Rattan Biomass and New Materials, International Centre for Bamboo and Rattan, Beijing 100102, China.
  • Li J; Key Laboratory of High Efficient Processing of Bamboo of Zhejiang Province, Engineering Technology Research Center for Building and Decorating Materials of Bamboo State Forestry Administration, China National Bamboo Research Center, Hangzhou 310012, China.
  • Bao G; Research Institute of Bamboo and Rattan Biomass and New Materials, International Centre for Bamboo and Rattan, Beijing 100102, China.
  • Qin D; Sanya Research Base, International Centre for Bamboo and Rattan, Sanya 572000, China.
  • Jin X; Research Institute of Bamboo and Rattan Biomass and New Materials, International Centre for Bamboo and Rattan, Beijing 100102, China.
Polymers (Basel) ; 16(13)2024 Jun 27.
Article en En | MEDLINE | ID: mdl-39000684
ABSTRACT
Bamboo is composed of thick-walled fibrous tissue and thin-walled parenchymal tissue. To compare the energy consumption of preparing lignocellulose nanofibrils (LCNF) from these bamboo tissues, the crystallinity, sol. viscosity, morphology and mechanical properties of LCNF at different preparation stages were characterized in detail. It required at least nine homogenization cycles for dissociating the fibrous tissue, but only six cycles for the parenchymal tissue. The average diameter of LCNF isolated from fibrous and parenchymal tissues was 45.1 nm and 36.2 nm, respectively. The tensile strength of the LCNF film prepared from parenchymal tissue reached 142.46 MPa, whereas the film from fibrous tissue reached only 122.82 MPa. Additionally, a metal organic framework (MOF) was used to produce MOF-LCNF film with enhanced UV protection and antibacterial properties. The results indicated that the energy consumption for preparing LCNF from parenchymal tissue is significantly lower than that for preparing LCNF from fibrous tissue. This study offers a low-cost and eco-friendly method for preparing LCNF, promoting the precise utilization of different tissues from bamboo based on their unique characteristics.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Polymers (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Polymers (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza