Introducing cellulose nanocrystals in sheet molding compounds (SMC)
作者： Amir Asadi , Mark Miller , Sanzida Sultana , Robert J. Moon , Kyriaki Kalaitzidou
DOI: 10.1016/J.COMPOSITESA.2016.05.033
关键词: Epoxy 、 Composite material 、 Elastic modulus 、 Polymerization 、 Flexural modulus 、 Composite number 、 Molding (process) 、 Materials science 、 Ultimate tensile strength 、 Sheet moulding compound
摘要: Abstract The mechanical properties of short glass fiber/epoxy composites containing cellulose nanocrystals (CNC) made using sheet molding compound (SMC) manufacturing method as well the rheological and thermomechanical CNC-epoxy were investigated a function CNC content. up to 1.4 wt% dispersed in epoxy produce resin for SMC production. addition increased its viscosity slightly reduced heat reaction during polymerization without altering curing time temperature effective pot life resin. incorporation 0.9 wt% composite resulted increases elastic modulus tensile strength by ∼25% ∼30% flexural ∼44% ∼33% respectively. Concentrations did not alter impact energy.
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