FIELD: production of composite materials.
SUBSTANCE: invention relates to composite filaments containing metal nanoparticles dispersed in a composite matrix for use in modeling by layer-by-layer deposition (FDM). Composite filament comprises a matrix of sulphonated polyester and a plurality of silver nanoparticles dispersed in the matrix. Silver nanoparticles are present in composite filament in amount of 0.5–50,000 ppm by weight. Matrix of sulphonated polyester contains an alkaline salt of statistical sulphonated polyester. Method for producing filament and article made from composite filament are also described.
EFFECT: technical result is creation of new materials with antibacterial properties for use in modeling by layer-by-layer deposition.
12 cl, 3 dwg, 6 ex
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