JP2017178978A - 樹脂組成物の成形品及び樹脂組成物の成形品の接合構造 - Google Patents
樹脂組成物の成形品及び樹脂組成物の成形品の接合構造 Download PDFInfo
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- Laminated Bodies (AREA)
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Abstract
Description
(2)表面部への前記熱安定剤の局在は、成形品の表面部の全面に該熱安定剤が存在するようになされている。
(3)強化材として繊維を樹脂組成物の総質量に対して最大60質量%の量で含む。
[樹脂組成物の成形品]
本発明の樹脂組成物の成形品は、その表面部に局在する熱安定剤を含む。
また、本発明は、本発明の樹脂組成物の成形品とこの成形品と接合される被接合部材とが液状の硬化型シリコーンゴム組成物の硬化物を介して接合されたことを特徴とする樹脂組成物の成形品の接合構造を提供する。
1−1.樹脂組成物
ポリアミド樹脂を含有する樹脂組成物としては、ガラス繊維30質量%添加ポリアミド6樹脂であるPA−6−GF30−01(ダイセルポリマー株式会社製)を用いた。
ポリアミド樹脂100質量部に対して1,1,3−トリス(2−メチル−4−ヒドロキシ−5−t−ブチルフェニル)ブタンを20質量部の割合で配合し、2軸混練押出機(株式会社パーカーコーポレーション製HK25D−41)を用いてTダイ押出成型(株式会社創研製)により溶融混練後の樹脂を押出し、厚さ10μm、50μm、100μm及び200μmのフィルムをそれぞれ作成した。
「1.樹脂組成物」のPA−6−GF30−01を80℃、減圧下で4時間乾燥し、射出成型機(日精樹脂工業株式会社製PNX−III)、シリンダー温度;C1=230℃、C2=240℃、C3=250℃、ノズル=240℃、樹脂=250℃、金型=60℃)を用いて射出成型を行い、JIS K7161に準拠した試験片及びISO19095−3に準拠した試験片を得た。
2−1.樹脂組成物
ガラス繊維30質量%添加ポリアミド6樹脂であるPA−6−GF30−01(ダイセルポリマー株式会社製)100質量部に対して1,1,3−トリス(2−メチル−4−ヒドロキシ−5−t−ブチルフェニル)ブタンを1質量部の割合で配合し、2軸混練押出機(株式会社パーカーコーポレーション製HK25D−41)を用いて溶融混練し、ペレット化した。
「2−1.樹脂組成物」で得られたペレットを80℃、減圧下で4時間乾燥し、射出成型機(日精樹脂工業株式会社製PNX−III、シリンダー温度;C1=230℃、C2=240℃、C3=250℃、ノズル=240℃、樹脂=250℃、金型=60℃)を用いて射出成型を行い、JIS K7161に準拠した試験片及びISO19095に準拠した試験片を得た。これらの試験片が、比較例4に係る成形品とした。
3−1.プラスチック−引張特性の試験
「1−3.成形品の製造」及び「2−2.成形品の製造」で得られた成形品(JIS K7161に準拠した試験片)を用い、JIS K7161に準拠したプラスチック−引張特性の試験を行った。
「1−3.成形品の製造」及び「2−2.成形品の製造」で得られた成形品(ISO19095に準拠)の一端面10b(図1参照)にシリコーン系材料の液状ガスケット(FIPG)を塗布し、この塗布面にアルミニウム片を接触させた後に液状ガスケットを硬化し、接合界面特性評価用の突合せ接着試験体を作成した。
Claims (5)
- ポリアミド樹脂を含有する樹脂組成物の成形品であって、
表面部に、分子量が300以上で且つ分子中に占めるOH基のモル濃度が9%以上である熱安定剤を局在させたことを特徴とする、樹脂組成物の成形品。 - 前記熱安定剤が局在する表面部が、成形品の表面から10μm以上200μm以下の厚さを有することを特徴とする請求項1に記載の樹脂組成物の成形品。
- 前記表面部への前記熱安定剤の局在は、成形品の表面部の全面に該熱安定剤が存在するようになされたことを特徴とする請求項1又は2に記載の樹脂組成物の成形品。
- 強化材として繊維を樹脂組成物の総質量に対して最大60質量%の量で含む請求項1〜3何れか1項に記載の樹脂組成物の成形品。
- 請求項1〜4の何れか1項に記載の成形品と該成形品と接合される被接合部材とが液状の硬化型シリコーンゴム組成物の硬化物を介して接合されたことを特徴とする樹脂組成物の成形品の接合構造。
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JPH06192439A (ja) * | 1992-12-25 | 1994-07-12 | Three Bond Co Ltd | プラスチック部品にシリコーンゴムを接着させる方法 |
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