Composition with long-lasting, consistently good flowability, comprising polyamide powder and flow aid

A composition that is long-lasting and having consistently good flowability, which comprises from 88 to 99.99% by wt. polyamide powder such as nylon-12, nylon-11, nylon-6, 10, nylon-6, 12, nylon-10, 12, nylon-6, nylon-6,6 or their mixture and from 0.01 to 0.25% by wt. of a flow aid such as an inorga...

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Bibliographische Detailangaben
Hauptverfasser: MUGGE, JOACHIM, CHIOVARO, JOHANNES, BAUMANN, FRANZ-ERICH, HEINRICH, DIRK, SCHOLTEN, HEINZ, SCHIFFER, THOMAS, GREBE, MAIK, CHRISTOPH, WOLFGANG
Format: Patent
Sprache:eng
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Zusammenfassung:A composition that is long-lasting and having consistently good flowability, which comprises from 88 to 99.99% by wt. polyamide powder such as nylon-12, nylon-11, nylon-6, 10, nylon-6, 12, nylon-10, 12, nylon-6, nylon-6,6 or their mixture and from 0.01 to 0.25% by wt. of a flow aid such as an inorganic pigment, silica, fumed silica, precipitated silica, hydrophobicized silica, hydrophobic silica or their mixture is disclosed, wherein the drying loss from the flow aid after 5 days of conditioning at a relative humidity of 95% is less than or equal to 1%, determined by ISO 787/2..