JP2014507314A - 超高分子量ポリエチレンからの高強度テープ物品 - Google Patents
超高分子量ポリエチレンからの高強度テープ物品 Download PDFInfo
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- JP2014507314A JP2014507314A JP2013552648A JP2013552648A JP2014507314A JP 2014507314 A JP2014507314 A JP 2014507314A JP 2013552648 A JP2013552648 A JP 2013552648A JP 2013552648 A JP2013552648 A JP 2013552648A JP 2014507314 A JP2014507314 A JP 2014507314A
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Abstract
【選択図】図1
Description
[0002]本発明は、超高分子量ポリエチレン(UHMWPE)から製造されるテープ物品に関し、またかかるテープ物品から製造することができる布帛、積層体、及び耐衝撃性材料にも関する。
[0004]種々の繊維強化構造体が、ヘルメット、パネル、及びベストのような耐衝撃性、防弾性、及び耐貫入性の物品において用いることに関して知られている。これらの物品は、発射体又はナイフからの衝撃による貫入に対して種々の度合いの抵抗性を示し、種々の単位重量あたりの有効性を有する。
から算出される。
小角X線散乱(SAXS):
[0038]小角X線分析を行って、テープ物品が450(Å)未満の長周期を有しないことを求める1つの方法を下記に示す。小角X線散乱を行うにあたっては、任意の好適な装置を用いることができる。好適な装置は450Å以下の散乱ピークを解像することができなければならない。
を用いて散乱ピーク最大値の角度から求めた。
[0044]曲線(120℃〜165℃)下の全面積に対する曲線(120℃〜Tm開始点)下の低温面積の比を求める1つの方法は、10℃/分の一定速度での30℃の温度から200℃の温度への温度上昇DSCスキャンから比を計算することである。これを下記に記載する。
[0052]Takashi Nakaharaら, "Ultra High Molecular Weight Polyethylene Blown Film Process", ANTEC 2005, 178-181 (2005)に記載されている方法にしたがうメルトブローンフィルムから製造した、60.5:1の断面アスペクト比、13.1g/d(1.13GPa)のテナシティー、0.210のDSC低温面積比、及びX線分析によって331オングストロームの長周期を有するUHMWPEテープを、切断及び延伸した。
[0053]圧力下においてフィルムにコンソリデーションしたUHMWPE粉末から製造した、40.5:1の断面アスペクト比、19.3g/d(1.66GPa)のテナシティー、0.290のDSC低温面積比、及びX線分析によって380オングストロームの長周期を有するTensylonテープを、切断及び延伸した。
[0054]240のフィラメントを有するSpectraマルチフィラメントヤーンから、80:1:1の断面アスペクト比、33.0g/d(2.84GPa)のテナシティー、0.048のDSC低温面積比を有し、X線分析によって長周期を有しないUHMWPEテープを製造した。
[0055]合計で1440のフィラメントを有するSpectraマルチフィラメントヤーンから、157:1の断面アスペクト比、31.5g/d(2.71GPa)のテナシティー、及び0.037のDSC低温面積比を有するUHMWPEテープを製造した。
[0056]240のフィラメントを有するSpectraマルチフィラメントヤーンから、167:1の断面アスペクト比、40.9g/d(3.52GPa)のテナシティーを有し、0.035未満のDSC低温面積比を有すると予測されるUHMWPEテープを製造した。
[0057]合計で960のフィラメントを有するSpectraマルチフィラメントヤーンから、125:1の断面アスペクト比、28.0g/d(2.41GPa)のテナシティー、及び0.120のDSC低温面積比を有するUHMWPEテープを製造した。
[0058]合計で5760のフィラメントを有するSpectraマルチフィラメントヤーンから、77:1の断面アスペクト比、30.0g/d(2.59GPa)のテナシティー、及び0.094のDSC低温面積比を有するUHMWPEテープを製造した。
[0059]合計で240のフィラメントを有するSpectraマルチフィラメントヤーンから、100:1の断面アスペクト比、50.0g/d(4.31GPa)のテナシティー、0.030未満のDSC低温面積比を有し、X線分析によって長周期を有しないUHMWPEテープを製造した。
[0060]高度にコンソリデーションした実質的に空隙を有しない長さ1インチのテープ部分、及びより少なくコンソリデーションした多孔質の長さ1インチのテープ部分の繰り返しパターンが存在するように、その長さに沿って変動する繊維コンソリデーションを有する本発明のテープ物品を製造した。
[0061]実施例5において記載した本発明のテープ物品を、バスケット織り布帛に織成した。
[0062]隣接する層におけるテープの方向が互いから約15〜90°回転しているテープ物品の2以上の一方向層を含む本発明のテープ物品を用いて、積層体を形成することができる。1つのかかる例においては、実施例5において記載した本発明のテープ物品を複数のパッケージ内に巻き取り、パッケージをクリール上に配置した。クリールから解舒し、横方向に接触させて平行に整列させたテープ物品の複数の端部を、厚さ0.00035cmの高密度ポリエチレン(HDPE)フィルムから構成されるキャリアウエブ上に配置した。キャリアウエブ及びテープ物品を、加圧下で加熱したニップロールに通して、テープ物品をキャリアウエブに接着させた。キャリアウエブ及び接着した平行なテープ物品を、2つのロールに巻き取った。2つのロールを、米国特許5,173,138に記載されているクロスプライ装置中に供給して、テープ物品を含むウエブをクロスプライし、熱及び圧力を用いてコンソリデーションした。これによって4層積層体が形成され、層は積層体を通る連続の順番でHDPE−テープ物品−テープ物品−HDPEであり、隣接する層におけるテープの方向は互いに対して直角であった。次に積層体を巻き取った。
[0063]実施例10において記載したバスケット織り布帛を積層し、緩く結合させて、1.5Kg/m2の面密度を有する本発明のアセンブリを形成した。このアセンブリは、MIL.-STD. 662Fによって測定して、9×19mmのFMJパラベラム弾に対して少なくとも約500J・m2/Kgの比エネルギー吸収を有していると予測される。
[0064]実施例11において記載した積層体を積層し、コンソリデーションして、1.5Kg/m2の面密度を有する耐衝撃性及び耐貫入性の複合体物品を形成した。この複合体物品は、MIL.-STD. 662Fによって測定して、9×19mmのFMJパラベラム弾に対して少なくとも約500J・m2/Kgの比エネルギー吸収を有していると予測される。
[0065]実施例11において記載した積層体、及び実施例10において記載したバスケット織り布帛を積層し、コンソリデーションして、1.5Kg/m2の面密度を有する耐衝撃性及び耐貫入性の複合体物品を形成した。この複合体物品は、MIL.-STD. 662Fによって測定して、9×19mmのFMJパラベラム弾に対して少なくとも約500J・m2/Kgの比エネルギー吸収を有していると予測される。
Claims (10)
- 少なくとも約10:1の平均断面アスペクト比;及び
10℃/分の一定速度での30℃の温度から200℃の温度への温度上昇DSCスキャンによって測定して約0.15未満の、曲線(120℃〜165℃)下の全面積に対する曲線(120℃〜Tm開始点)下の低温面積の比;
を有する、超高分子量ポリエチレンマルチフィラメントヤーンから製造されるテープ物品。 - テープ物品のテナシティーが、ASTM−D882−09によって10インチ(25.4cm)のゲージ長さ及び100%/分の伸張速度において測定して少なくとも約24g/d(2.07GPa)である、請求項1に記載のテープ物品。
- テープ物品が、小角X線分析によって測定して450オングストローム(Å)未満の長周期を有しない、請求項2に記載のテープ物品。
- テープ物品が、小角X線分析によって測定して450オングストローム(Å)未満の長周期を有しない、請求項1に記載のテープ物品。
- テープ物品のテナシティーが少なくとも約30g/d(2.59GPa)である、請求項1に記載のテープ物品。
- テープ物品のテナシティーが少なくとも約40g/d(3.45GPa)である、請求項1に記載のテープ物品。
- 10℃/分の一定速度での30℃の温度から200℃の温度への温度上昇DSCスキャンによって測定して、曲線(120℃〜165℃)下の全面積に対する曲線(120℃〜Tm開始点)下の低温面積の比が約0.05未満である、請求項1に記載のテープ物品。
- テープ物品が半透明である、請求項1に記載のテープ物品。
- テープ物品が重量基準で95%より大きい超高分子量ポリエチレン含量を有する、請求項1に記載のテープ物品。
- テープ物品が重量基準で98%より大きい超高分子量ポリエチレン含量を有する、請求項1に記載のテープ物品。
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US13/021,262 | 2011-02-04 | ||
US13/021,262 US8697220B2 (en) | 2009-08-11 | 2011-02-04 | High strength tape articles from ultra-high molecular weight polyethylene |
PCT/US2012/023712 WO2012106567A2 (en) | 2011-02-04 | 2012-02-03 | High strength tape articles from ultra-high molecular weight polyethylene |
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JP2014507314A true JP2014507314A (ja) | 2014-03-27 |
JP2014507314A5 JP2014507314A5 (ja) | 2015-03-12 |
JP5981943B2 JP5981943B2 (ja) | 2016-08-31 |
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US (2) | US8697220B2 (ja) |
EP (1) | EP2670900B1 (ja) |
JP (1) | JP5981943B2 (ja) |
KR (1) | KR101883973B1 (ja) |
CN (1) | CN103429806B (ja) |
BR (1) | BR112013019815B1 (ja) |
CA (1) | CA2825693C (ja) |
IL (1) | IL227632B (ja) |
MX (1) | MX355581B (ja) |
RU (1) | RU2600722C2 (ja) |
TR (1) | TR201908962T4 (ja) |
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CA2825693A1 (en) | 2012-08-09 |
MX355581B (es) | 2018-04-24 |
BR112013019815B1 (pt) | 2021-06-08 |
US9387646B2 (en) | 2016-07-12 |
CN103429806B (zh) | 2015-04-01 |
CA2825693C (en) | 2018-12-11 |
RU2600722C2 (ru) | 2016-10-27 |
TR201908962T4 (tr) | 2019-07-22 |
US8697220B2 (en) | 2014-04-15 |
US20140272268A1 (en) | 2014-09-18 |
WO2012106567A3 (en) | 2012-11-22 |
WO2012106567A2 (en) | 2012-08-09 |
KR20140049969A (ko) | 2014-04-28 |
EP2670900A2 (en) | 2013-12-11 |
CN103429806A (zh) | 2013-12-04 |
US20120121852A1 (en) | 2012-05-17 |
BR112013019815A2 (pt) | 2017-03-21 |
EP2670900A4 (en) | 2018-03-21 |
IL227632A0 (en) | 2013-09-30 |
KR101883973B1 (ko) | 2018-07-31 |
MX2013008973A (es) | 2013-11-01 |
RU2013143036A (ru) | 2015-03-27 |
IL227632B (en) | 2018-03-29 |
EP2670900B1 (en) | 2019-04-10 |
JP5981943B2 (ja) | 2016-08-31 |
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