Influence of Coatings on Tensile Properties of Glass Fiber
Keywords:glass fiber, coating, polysilazane, polysiloxane, composite
AbstractGlass fibers (GF) are widely used as a reinforcing material for many polymer products; to form very strong and light weight materials. Surface flaw generated by contact makes the glass fiber highly sensitive. Defects or cracks in the surface of glass fiber threaten the mechanical strength of the fiber that deteriorates the durability of glass fiber. Coating can play crucial role by forming single or multiple molecular layers on the glass fiber in rectifying the surface flaws and modify surface properties of glass fiber either online or offline. In this experiment, coating was introduced on the fiber surface by continuous impregnation of fiber with a solution of polymer in a padder in order to improve the mechanical strength of glass fibers. The tensile properties of GF roving after coating were studied. The experimental results showed that the tensile properties of coated GF roving were improved significantly compared to uncoated GF roving.
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