POLYPROPYLENE RESIN COMPOSITION

To provide a polypropylene resin composition which achieves odor reduction, reduces plastic feel, and prevents deterioration in melt spreadability.SOLUTION: A polypropylene resin composition contains 5-85 mass% of a polypropylene resin (A1) having a melt tension (MT) (unit: g) satisfying log(MT)≥-0....

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Bibliographische Detailangaben
Hauptverfasser:	ASUKA KAZUO, TAKAHASHI KUNINOBU, KITAURA KAITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a polypropylene resin composition which achieves odor reduction, reduces plastic feel, and prevents deterioration in melt spreadability.SOLUTION: A polypropylene resin composition contains 5-85 mass% of a polypropylene resin (A1) having a melt tension (MT) (unit: g) satisfying log(MT)≥-0.9×log(MFR)+0.7 or log(MT)≥1.15, and a melting point of 150°C or higher, 5-85 mass% of a polypropylene resin (B) having a melting point of 110°C or higher and lower than 150°C, and 10-80 mass% of a biomass material (C) (where the total mass of (A1), (B) and (C) is 100 mass%).SELECTED DRAWING: None 【課題】臭気の改善しつつ、プラスチック感が抑えられ、溶融延展性の悪化が抑制されたポリプロピレン樹脂組成物を提供する。【解決手段】ポリプロピレン樹脂組成物は、その溶融張力（ＭＴ）（単位：ｇ）が、ｌｏｇ（ＭＴ）≧－０．９×ｌｏｇ（ＭＦＲ）＋０．７、または、ｌｏｇ（ＭＴ）≧１．１５を満たす融点が１５０℃以上のポリプロピレン樹脂（Ａ１）５～８５質量％、融点が１１０℃以上１５０℃未満のポリプロピレン樹脂（Ｂ）５～８５質量％、およびバイオマス材料（Ｃ）１０～８０質量％を含む（ただし（Ａ１）、（Ｂ）および（Ｃ）の質量の合計を１００質量％とする。）ことを特徴とする。【選択図】なし