Abstract
Some novel composites were prepared with polyamide 6(PA6) filled with wollastonite particles and wollastonite inorganic modified by aluminium silicate composite materials (WIMS) as fibrous fillers. Subsequently, these composites were investigated for tensile, charpy notched impact, bending strength, bending modulus and heat distortion temperature, and the mechanism of PA6 reinforced by WIMS was discussed through SEM photos of wollastonite and WIMS and the current two most popular equations: Pukanszky equation and Nielsen equation.The results show that the PA6 products filled with WIMS have superior mechanical properties(tensile strength 71.65Mpa, bending strength 106.61Mpa, bending modulus 3258.22Mpa) than that of uncoated wollastonite and pure PA6, and the heat distortion temperature increases by 88.6°C than pure PA6 and 17.2°C than wollastonite. Inorganic modification of wollastonite can improve the joint interface between wollastonite and PA6, thus improving their mechanical properties.
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