MOLDING MATERIALS BASED ON VINYL AROMATIC POLYMERS FOR 3-D-PRINTING
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Dec 18, 2014
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Dec 18, 2013
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The invention relates to a thermoplastic molding material for 3-D printing, containing components A, B, and C: A: 40 to 100 wt % of at least one vinyl aromatic homo- or copolymer A having an average molar mass Mw of 150,000 to 360,000 g/mol, B: 0 to 60 wt % of one or more further polymers B selected from: polycarbonates, polyamides, poly(meth)acrylates, and polyesters and vinyl aromatic/diene copolymers (SBCs), C: 0 to 50 wt % of common additives and auxiliary agents, wherein the molding material has a viscosity (measured as per ISO 11443) not higher than 1×105 Pa*s at shear rates of 1 to 10 1/s and at temperatures of 250° C. and a melt volume rate (MVR, measured as per ISO 1133 at 220° C. and a load of 10 kg) of more than 6 ml/10 min.
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