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Research on Mechanical Properties of Fine Talc in the Polycarbonate/Abs Blends

Yuan Fu

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Abstract

Three different sizes of Talc(1.5μm,2.5μm,and 5μm) were filled in PC/Abs blends before being surface treated in 5% KH550(dissolved in 95% ethanol).When the content of Talc was 20wt%(mean particle size 5μm),the notched impact strength was 171J/m,the composite had the best mechanical properties and economic advantages.Abs-g-MAH was also used in this system as a compatibilizer which could improve flexural and tensile modulus of the blends obviously,but could not improve the notched impact strength.

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What this paper is about

Three different sizes of Talc(1.5μm,2.5μm,and 5μm) were filled in PC/Abs blends before being surface treated in 5% KH550(dissolved in 95% ethanol).When the content of Talc was 20wt%(mean particle size 5μm),the notched impact strength was 171J/m,the composite had the best mechanical properties and economic advantages.Abs-g-MAH was also used in this system as a compatibilizer which could improve flexural and tensile modulus of the blends obviously,but could not improve the notched impact strength.

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Available abstract

Three different sizes of Talc(1.5μm,2.5μm,and 5μm) were filled in PC/Abs blends before being surface treated in 5% KH550(dissolved in 95% ethanol).When the content of Talc was 20wt%(mean particle size 5μm),the notched impact strength was 171J/m,the composite had the best mechanical properties and economic advantages.Abs-g-MAH was also used in this system as a compatibilizer which could improve flexural and tensile modulus of the blends obviously,but could not improve the notched impact strength.

Key concepts: Talc, Materials science, Izod impact strength test, Composite material, Polycarbonate, Ultimate tensile strength, Flexural strength, Composite number

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