FIBER-REINFORCED POLYPROPYLENE RESIN COMPOSITION

• Main Authors: NAGATA KOSUKE, TSUNODA ATSUSHI
• Format: Patent
• Language: English; Japanese
• Published: 17.09.2020
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a polycarbonate resin composition which is excellent in rigidity, dimensional stability, chemical resistance, appearance and extrusion workability.SOLUTION: A resin composition contains, with respect to 100 pts.wt. of a resin component composed of 70-95 pts.wt. of (A) a polypropylene resin (component A) excluding component (C) having a melt flow rate (MFR) of 0.1-40 g/10 min and 30-5 pts.wt. of (B) a polycarbonate resin (component B), 1-100 pts.wt. of (C) a modified polyolefin resin (component C) having a maleic anhydride modified amount of 1.5-2.2 wt.% and a melt flow rate (MFR) of 80-300 g/10 min and 10-110 pts.wt. of (D) a carbon fiber (component D).SELECTED DRAWING: None 【課題】剛性、寸法安定性、耐薬品性、外観および押出加工性に優れるポリカーボネート樹脂組成物を提供する。【解決手段】（Ａ）メルトフローレート（ＭＦＲ）が０．１〜４０ｇ／１０分であるＣ成分を除くポリプロピレン樹脂（Ａ成分）７０〜９５重量部および（Ｂ）ポリカーボネート樹脂（Ｂ成分）３０〜５重量部からなる樹脂成分１００重量部に対し、（Ｃ）無水マレイン酸変性量が１．５〜２．２重量％でありかつメルトフローレート（ＭＦＲ）が８０〜３００ｇ／１０分である変性ポリオレフィン樹脂（Ｃ成分）１〜１００重量部および（Ｄ）炭素繊維（Ｄ成分）１０〜１１０重量部を含有する樹脂組成物。【選択図】 なし