Morphological changes and surface reactions of wood fibers in wood composites

Autor: Bohuslav V. Kokta, Mohini Sain, Ruijun Gu
Rok vydání: 2012
Předmět:
Zdroj: Journal of Thermoplastic Composite Materials. 26:1260-1277
ISSN: 1530-7980
0892-7057
DOI: 10.1177/0892705711434951
Popis: This work addressed questions regarding the fate of wood pulp fibers in the composite manufacturing process, for instance whether the processing induced fiber damages, and the improved interfacial adhesion accelerated this function. A number of wood fibers were blended with various maleic anhydride-grafted polymers fully and partially to study their morphological changes. The fractured fibers were separated from wood composites with aromatic hydrocarbons and analyzed using Fiber quality analyses, Scanning electron microscope, Fourier transform infrared analysis and X-ray photoelectron spectroscopy to validate the degree of fiber fractures and the esterification reaction. The fiber damages were related to the maleic anhydride grafting degree, molecular weight and molecular structures of maleated polymers.
Databáze: OpenAIRE