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The inlfuences of sell a self-emulsiifed epoxy resin sizing agent on the properties of carbon ifber/epoxy composites
Author(s): 
Pages: 32-37
Year: Issue:  5
Journal: Hi-Tech Fiber & Application

Keyword:  sizing agent for carbon fiberself-emulsifying epoxypolyethylene glycolcarbon fiber composites;
Abstract: By two-step synthesis method, the hydrogenated epoxy was modified by different molecular weight of polyethylene glycol (PEG400、800、1000、1500、2000、4000、6000) to synthesize self-emulsifying epoxy resin. The chemical structure, thermal stability, mechanical properties, surface morphology and fracture surface of composite materials were discussed. The results show that PEG2000 sizing has the best storage and thermo stability with a mean particle size of 0.866 μm. The carbon fiber/epoxy composite has a good mechanical per-formance and strong interfacial bonding.
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