JP2013543906A - ポリアミド複合構造体及びその製造方法 - Google Patents
ポリアミド複合構造体及びその製造方法 Download PDFInfo
- Publication number
- JP2013543906A JP2013543906A JP2013536803A JP2013536803A JP2013543906A JP 2013543906 A JP2013543906 A JP 2013543906A JP 2013536803 A JP2013536803 A JP 2013536803A JP 2013536803 A JP2013536803 A JP 2013536803A JP 2013543906 A JP2013543906 A JP 2013543906A
- Authority
- JP
- Japan
- Prior art keywords
- polyamides
- group
- resin composition
- composite structure
- polyamide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- Inorganic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
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Abstract
Description
下記の材料は、実施例及び比較例に使用した組成物に含まれる。
グループIIのポリアミド(B)(表1及び2中のPA1):アジピン酸と1,6−ヘキサメチレンジアミンでできている、重量平均分子量がおよそ32000ダルトンであるグループIIのポリアミド。PA1は融点が約260℃〜約265℃であり、ガラス転移が約40℃〜約70℃である。PA1はPA6,6と呼ばれ、例えばE.I.du Pont de Nemours and Companyから市販されている。
グループIのポリアミド(A)(表1及び2中のPA2):約220℃の融点を有するε−カプロラクタムでできているグループIのポリアミド。PA2はPA6と呼ばれ、例えばBASF corporationから市販されている。
実施例(表1及び2中で「E」と略記)に使用した樹脂組成物及び比較例(表1及び2中で「C」と略記)に使用した樹脂組成物を、約280℃の二軸押出機中で構成要素を溶融又は溶融ブレンドすることにより製造した。押出機からアダプター及び約280℃のフィルムダイを通して出すと同時に、組成物を、約100℃のキャスティングドラムにキャストし、C1、E1、及びE2(表1)のマトリックス樹脂組成物並びにC1(表1)の表面樹脂組成物の場合には約102ミクロンの厚さのフィルムに、実施例E1及びE2(表1)の表面樹脂組成物の場合には約200ミクロンの厚さのフィルムに、E3及びC2(表2)のマトリックス樹脂組成物及び表面樹脂組成物の両方の場合には約250ミクロンの厚さのフィルムにした。フィルムの厚さは、延伸速度により制御した。
複合構造C1(比較例)、E1、及びE2を、約102ミクロンの厚さを有しPA1でできている8層と連続ガラス繊維織布の3層(直径17ミクロン、0.4%シラン系サイズ剤により糊付け処理され、公称ロービングテックス1200g/kmのE−ガラス繊維から製造、2/2綾織り(バランス織り)に織られ、目付が600g/m2)を下記のシーケンス、すなわち、PA1でできた2層、連続ガラス繊維織布の1層、PA1の2層、連続ガラス繊維織布の1層、PA1の2層、連続ガラス繊維織布の1層、及びPA1の2層で重ねることにより、最初にラミネートを作ることにより製造した。
表2の複合構造E3及びC2の製造を、表2に示される組成物のフィルムの複数の層と、連続ガラス繊維織布(直径17ミクロン、0.4%シラン系サイズ剤により糊付け処理され、公称ロービングテックス1200g/kmのE−ガラス繊維から製造、2/2綾織り(バランス織り)に織られ、目付が600g/m2)とを下記のシーケンス、すなわち、表面樹脂組成物のフィルムの2層、連続ガラス繊維織布の1層、マトリックス樹脂組成物のフィルムの2層、連続ガラス繊維織布の1層、マトリックス樹脂組成物のフィルムの2層、連続ガラス繊維織布の1層、及び表面樹脂組成物のフィルムの2層でラミネートすることにより達成した。
複合構造C1、E1、及びE2を、PA1及び30重量%のガラス繊維(オーバーモールド成形用樹脂の全組成のパーセンテージ)を含むオーバーモールド成形用樹脂組成物によりオーバー射出成形したところ、結合強度はそれぞれ0、86、及び121MPaであり、単一のグループのポリアミドから選択されるポリアミドと比較して、グループ1から選択されるポリアミドとグループIIから選択されるポリアミドとのブレンドがオーバーモールド成形用樹脂に強力な結合強度を形成する優れた能力を表す。
表2の複合構造E3及びC2を、ダイヤモンドエッジブレードを備えたMK−377 Tile Saw及び潤滑剤として水を使用して、1/2インチ(約12.7mm)×2.5インチ(約64mm)の長い試験片(バー)に切り出した。曲げ強さを、三点曲げ試験により試験片に対して試験した。装置及び幾何的形状は、ISO法178に準拠し、負荷用エッジをスパンの中心にして2.0インチの支点幅で試験片を曲げる。試験は、1KNの負荷により、2mm/分で、破断まで行った。結果を表2に示すが、複合構造E3及びC2に対してそれぞれ380及び332MPaであり、単一のグループのポリアミドから選択されるポリアミドでできている複合構造に比べて、グループ1から選択されるポリアミドとグループIIから選択されるポリアミドとのブレンドでできている複合構造の優れた曲げ強さを表す。
Claims (14)
- 表面を有する複合構造体であって、前記表面の少なくとも一部分が表面樹脂組成物でできており、不織構造物、織物、繊維詰め物、及びこれらの組み合わせからなる群から選択される繊維状材料を含み、前記繊維状材料がマトリックス樹脂組成物により含浸されており、前記表面樹脂組成物が、(A)230℃未満の融点を有するグループ(I)のポリアミドから選択される1種以上の全脂肪族ポリアミドと、(B)少なくとも250℃の融点を有するグループ(II)のポリアミドから選択される1種以上の全脂肪族ポリアミドとのブレンドを含むポリアミド組成物から選択され、前記マトリックス樹脂組成物が(B)から独立に選択されるか、又は(A)と(B)とのブレンドから独立に選択される複合構造体。
- 前記繊維状材料が、ガラス繊維、炭素繊維、アラミド繊維、天然繊維、又はこれらの混合物でできている、請求項1に記載の複合構造体。
- 前記繊維状材料がガラス繊維でできている、請求項2に記載の複合構造体。
- 前記繊維状材料が、前記複合構造体の30体積パーセントから60体積パーセントである、請求項1に記載の複合構造体。
- 熱安定剤、酸化安定剤、強化剤、及び難燃剤、又はこれらの組み合わせからなる群から選択される1種以上の添加剤をさらに含む、請求項1に記載の複合構造体。
- グループ(I)のポリアミドから選択される前記1種以上の全脂肪族ポリアミドが、PA6、PA510、PA512、PA6/66、PA6/610、PA6/612、PA613、PA615、PA6/66/610、PA6/66/612、PA6/66/610/612、PAD6/66、PA1010、PA1012、PA11、PA12、PA612、PA1212からなる群から選択される、請求項1〜5のいずれか一項に記載の複合構造体。
- グループ(II)のポリアミドから選択される前記1種以上の全脂肪族ポリアミドが、PA66、PA6/66、PA6/66/610、PA6/66/612、PA6/66/610/612、PAD6/66、PA46からなる群から選択される、請求項1〜6のいずれか一項に記載の複合構造体。
- 前記マトリックスポリアミド組成物及び前記表面ポリアミド組成物の、グループ(I)から選択される1種以上のポリアミド(A)と、グループ(II)のポリアミドから選択される1種以上のポリアミド(B)との重量比(A:B)が、約1:99〜約95:5である、請求項1に記載の複合構造体。
- 前記マトリックスポリアミド組成物の、グループ(I)のポリアミドから選択される1種以上のポリアミド(A)と、グループ(II)のポリアミドから選択される1種以上のポリアミド(B)との重量比(A:B)が、約20:80〜約30:70である、請求項1に記載の複合構造体。
- 前記表面ポリアミド組成物の、グループ(I)のポリアミドから選択される1種以上のポリアミド(A)と、グループ(II)のポリアミドから選択される1種以上のポリアミド(B)との重量比(A:B)が、約20:80〜約60:40である、請求項1に記載の複合構造体。
- グループ(I)のポリアミド(A)がPA6、PA6/12、PA10/10を、単独又はこれらの組み合わせで含む、請求項1に記載の複合構造体。
- グループ(II)のポリアミド(B)が、PA66、PA46を、単独又はこれらの組み合わせで含む、請求項1に記載の複合構造体。
- 自動車、トラック、民間飛行機、航空宇宙、レール、家電製品、コンピューターハードウェア、ハンドヘルドデバイス、レクリエーション及びスポーツ用の部品、機械の構造部品、建築物の構造部品、太陽光発電装置の構造部品、又は機械的装置の構造部品の形態である、請求項1に記載の複合構造体。
- 表面を有する請求項1に記載の複合構造体を製造する方法であって、
i)不織構造物、織物、繊維詰め物、及びこれらの組み合わせから選択される繊維状材料をマトリックス樹脂組成物により含浸する工程であって、前記繊維状材料がマトリックス樹脂組成物により含浸されている工程を含み、
前記複合構造体の表面の少なくとも一部分が表面樹脂組成物でできており、かつ
前記表面樹脂組成物が、(A)230℃未満の融点を有するグループ(I)の全脂肪族ポリアミドから選択される1種以上の全脂肪族ポリアミド;と(B)少なくとも250℃の融点を有するグループ(II)のポリアミドから選択される1種以上の全脂肪族ポリアミドとのブレンドを含むポリアミド組成物から選択され、前記マトリックス樹脂組成物が、(B)から独立に選択されるか、又は(A)と(B)とのブレンドから独立に選択される、方法。
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CN109843655A (zh) * | 2016-08-03 | 2019-06-04 | 奥托立夫开发公司 | 汽车的安全气囊外壳 |
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