JP5238939B2 - 長繊維強化複合樹脂組成物および成形品 - Google Patents
長繊維強化複合樹脂組成物および成形品 Download PDFInfo
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- JP5238939B2 JP5238939B2 JP2007289239A JP2007289239A JP5238939B2 JP 5238939 B2 JP5238939 B2 JP 5238939B2 JP 2007289239 A JP2007289239 A JP 2007289239A JP 2007289239 A JP2007289239 A JP 2007289239A JP 5238939 B2 JP5238939 B2 JP 5238939B2
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Landscapes
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Description
成形により得られた厚み4mm×幅10mm×長さ80mmのバーについて、JIS−K7171に準拠して下記条件で測定を行った。試験速度は2mm/min、支点間距離は64mmとした。
成形により得られた厚み4mm×幅12.7mm×長さ63.5mmのバーについて、JIS−K7110に準拠して下記条件で測定を行った。ノッチ加工の回転数は400rpm、ノッチ加工の送り速度は120mm/min、ハンマー容量は5.5J、測定温度は23℃と−40℃とした。
成形により得られた厚み3.2mm×幅10mmのダンベル型バーについて、JIS−K7161に準拠して試験速度50mm/minで測定を行った。
成形により得られた厚み4mm×幅10mm×長さ80mmのバーについて、両端を切断して長さ60mmとし、切断面に導電ペーストを塗り、体積固有測定用試験片とした。この試験片についてディジタルマルチメータ(横河M&C株式会社製)を使用して抵抗値を測定し、以下の式(1)により体積固有抵抗に換算した。
成形により得られた100mm×100mm×厚さ3mmの平板の表面を目視にて観察し、以下の基準で評価した。
△:開繊していない繊維の束が少し見られるか又は平板表面に少し凸凹がある。
×:開繊していない繊維の束が多数見られ、平板表面が荒れている。
ポリプロピレンとPET長繊維成分と炭素繊維とを表1に示す配合で使用し、引き抜き成形を行い、長繊維強化ポリオレフィン樹脂ペレットを製造した。製造装置としては、クロスヘッドダイを有する二軸押出機(日本製鋼所(株)製「TEX30」、L/D=42、シリンダー径30mm、シリンダー温度:190〜220℃、クロスダイヘッド温度:220℃)を使用した。なお、ペレット長は8mmとなるように調節した。次いで、得られた長繊維含有ポリオレフィン系樹脂ペレットを、射出成形機に供し、シリンダー温度210℃、金型温度70℃、背圧10kg/cm2、スクリュー回転数50rpmにて、平板およびバーを成形した。評価結果を表1及び表2に示す。
Claims (7)
- プロピレン系樹脂、有機長繊維、炭素繊維を含有して成り、引き抜き成形法で得られた長繊維強化複合樹脂組成物であって、プロピレン系樹脂100重量部に対する、有機長繊維の割合が10〜150重量部、炭素繊維の割合が0.1〜30重量部であり、しかも、有機長繊維が表面に極性樹脂を付着させて成り、且つ極性樹脂の付着量が有機長繊維に対して0.01〜3.5重量%であることを特徴とする長繊維強化複合樹脂組成物。
- 極性樹脂がエポキシ樹脂である請求項1に記載の長繊維強化複合樹脂組成物。
- 有機長繊維の融点が200℃以上である請求項1又は2に記載の長繊維強化複合樹脂組成物。
- 有機長繊維がポリエステル繊維またはポリアミド繊維である請求項1〜3の何れかに記載の長繊維強化複合樹脂組成物。
- 炭素繊維がPAN系炭素繊維である請求項1〜4の何れかに記載の長繊維強化複合樹脂組性物。
- 請求項1〜5の何れかに記載の長繊維強化複合樹脂組成物を成形して成ることを特徴とする長繊維強化複合樹脂成形品。
- 成形法が射出成形法である請求項6に記載の長繊維強化複合樹脂成形品。
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JP2007289239A JP5238939B2 (ja) | 2007-11-07 | 2007-11-07 | 長繊維強化複合樹脂組成物および成形品 |
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JP2009114332A JP2009114332A (ja) | 2009-05-28 |
JP5238939B2 true JP5238939B2 (ja) | 2013-07-17 |
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US8759510B2 (en) | 2008-06-11 | 2014-06-24 | Gilead Pharmasset Llc | Nucleoside cyclicphosphates |
US8841275B2 (en) | 2010-11-30 | 2014-09-23 | Gilead Pharmasset Llc | 2′-spiro-nucleosides and derivatives thereof useful for treating hepatitis C virus and dengue virus infections |
US9393256B2 (en) | 2011-09-16 | 2016-07-19 | Gilead Pharmasset Llc | Methods for treating HCV |
US9585906B2 (en) | 2007-03-30 | 2017-03-07 | Gilead Pharmasset Llc | Nucleoside phosphoramidate prodrugs |
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JP5581109B2 (ja) * | 2010-04-30 | 2014-08-27 | ウイスカ株式会社 | 樹脂複合材料及び接着剤 |
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PL3309212T3 (pl) * | 2016-10-17 | 2019-05-31 | Borealis Ag | Kompozyt polipropylenowy wzmocniony włóknem |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR2620714B1 (ja) * | 1987-09-18 | 1993-06-25 | Landler Yvan | |
JP2503093B2 (ja) * | 1990-04-13 | 1996-06-05 | 帝人株式会社 | プリプレグおよび多層板 |
JP3543011B2 (ja) * | 1993-04-27 | 2004-07-14 | 出光石油化学株式会社 | ポリオレフィン樹脂組成物 |
JP2006037252A (ja) * | 2004-07-23 | 2006-02-09 | Teijin Techno Products Ltd | 樹脂補強用繊維構造体の製造方法 |
JP2007224209A (ja) * | 2006-02-24 | 2007-09-06 | Mitsubishi Chemicals Corp | 導電性熱可塑性樹脂成形品 |
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US9585906B2 (en) | 2007-03-30 | 2017-03-07 | Gilead Pharmasset Llc | Nucleoside phosphoramidate prodrugs |
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