LASER SINTERING POWDER, LASER SINTERING ARTICLE, AND A METHOD OF MAKING A LASER SINTERING ARTICLE

LASER SINTERING POWDER, LASER SINTERING ARTICLE, AND A METHOD OF MAKING A LASER SINTERING ARTICLE

The present invention comprises a laser sintering powder composition comprising: greater than 30 to 90 wt. % of a hydrogenated styrene-butadiene/styrene-styrene (S(EB/S)S) block copolymer or a hydrogenated styrene-butadiene-styrene (SEBS) block copolymer, or a mixture thereof; 10 to less than 70 wt....

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Hauptverfasser: GREGER, MARCUS, VERVOORT, FREDDY
Format: Patent
Sprache:eng ; fre ; ger
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CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator GREGER, MARCUS
VERVOORT, FREDDY
description The present invention comprises a laser sintering powder composition comprising: greater than 30 to 90 wt. % of a hydrogenated styrene-butadiene/styrene-styrene (S(EB/S)S) block copolymer or a hydrogenated styrene-butadiene-styrene (SEBS) block copolymer, or a mixture thereof; 10 to less than 70 wt. % of a C3 to C8 polyolefin, or a mixture of two or more polyolefins, 0 to 20 wt. % mineral oil, 0.2 to 1 wt. % of one or more antioxidants, 0 to 5 wt. % colorant, 0 to 20 wt. % surface modifying agent, wherein the total of the above ingredients is 100 wt. %, and optionally 0 to 5 parts by weight of a powder flow agent, based on 100 weight parts of the laser sintering powder composition. The composition has a melt flow rate of at least 20 grams/10 min. at 190° C./2.16 kg mass. The invention also comprises laser sintered articles and methods for making the same.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title LASER SINTERING POWDER, LASER SINTERING ARTICLE, AND A METHOD OF MAKING A LASER SINTERING ARTICLE
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