POLYAMIDE RESIN COMPOSITION AND MOLDING

PROBLEM TO BE SOLVED: To provide a polyamide resin composition excellent in mechanical strength, rigidity, and appearance.SOLUTION: The polyamide resin composition contains (A) a polyamide resin, (B) glass fibers, and (C) calcium carbonate. The total of the glass fibers (B) and the calcium carbonate...

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Hauptverfasser:	OCHIAI TOSHIHIRO, TERADA KAZUNORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyamide resin composition excellent in mechanical strength, rigidity, and appearance.SOLUTION: The polyamide resin composition contains (A) a polyamide resin, (B) glass fibers, and (C) calcium carbonate. The total of the glass fibers (B) and the calcium carbonate (C) is 35-70 mass% based on 100 mass% of the polyamide resin composition. The calcium carbonate (C) is amorphous calcium carbonate having a median diameter (d50%) of 10-60 μm and/or whisker-like calcium carbonate having a number-average fiber length of 10-60 μm.SELECTED DRAWING: None 【課題】ポリアミド樹脂組成物を機械的強度、剛性及び外観に優れるものとする。【解決手段】（Ａ）ポリアミド樹脂、（Ｂ）ガラス繊維及び（Ｃ）炭酸カルシウムを含むポリアミド樹脂組成物であって、ポリアミド樹脂組成物１００質量％に対して、（Ｂ）ガラス繊維と（Ｃ）炭酸カルシウムの合計が３５〜７０質量％であり、（Ｃ）炭酸カルシウムを、メディアン径（ｄ５０％）が１０〜６０μｍの不定形炭酸カルシウム、及び／または数平均繊維長が１０〜６０μｍのウィスカー状炭酸カルシウムとする。【選択図】なし