JP2009527717A - 改善された防弾製品を製造する方法 - Google Patents
改善された防弾製品を製造する方法 Download PDFInfo
- Publication number
- JP2009527717A JP2009527717A JP2008555526A JP2008555526A JP2009527717A JP 2009527717 A JP2009527717 A JP 2009527717A JP 2008555526 A JP2008555526 A JP 2008555526A JP 2008555526 A JP2008555526 A JP 2008555526A JP 2009527717 A JP2009527717 A JP 2009527717A
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- JP
- Japan
- Prior art keywords
- fiber
- layers
- layer
- thermoplastic polyurethane
- psi
- 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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- 229920002633 Kraton (polymer) Polymers 0.000 description 1
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Classifications
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- B32—LAYERED PRODUCTS
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Abstract
Description
発明の分野
本発明は、防弾製品、特にアラミド繊維材料から形成された防弾製品に関する。
チョッキなどの防弾製品は当技術分野で知られている。これらの製品の多くは、アラミド繊維のような高靭性繊維をベースとしている。このような製品は優れた特性を有し、商業的な成功を収めているが、常に防身具(body armor product)のような防護具(armor product)の特性を改善する必要性が存在している。
本発明によれば、高エネルギー小銃弾などに対する抵抗性を改善した防弾性複合材料を製造する方法が提供され、該方法は、高靭性アラミド繊維網を含む少なくとも1つの繊維層を準備する工程と、該繊維層を熱可塑性ポリウレタン樹脂でコーティングする工程と、該繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形する工程とを含む。
本発明は、防弾性、特に高エネルギー小銃弾に対する防弾性を改善したアラミド繊維から形成された複合体に関する。これらの複合体は、軟質または硬質の防弾性防護具で特に有用である。例としては、防身具、ヘルメット、ブランケットなどが挙げられる。
実施例1
1000デニールおよび靭性26g/dのアラミド繊維層(Teijin製のTwaron(登録商標)T2000)から、2プライ・不織複合体を形成した。このアラミド繊維をクリールから櫛掛け装置に通して、一方向網を形成することによって、ユニテープを調製した。次いで、繊維網を支持体ウェブ上に置き、繊維をマトリックス樹脂でコーティングした。樹脂は、熱可塑性ポリウレタン樹脂の分散液、すなわち製造業者によって、23℃における比重が1.05g/cc、および23℃における粘度が40cpsであると表示されている複数のポリウレタン樹脂水性分散液のコポリマーミックス(樹脂40%〜60%)であった。
成形圧力が500psi(3.4MPa)であった以外は、実施例1を繰り返した。再び、同じタイプの銃弾を用いて試料の防弾性を試験した。その結果を下記の表1に示す。
合計315層の複合体を使用してパネルを形成した以外は、実施例1を繰り返した。再び、同じタイプの銃弾を用いて試料の防弾性を試験した。その結果を下記の表1に示す。
成形圧力が500psiであった以外は、実施例3を繰り返した。再び、同じタイプの銃弾を用いて試料の防弾性を試験した。その結果を下記の表1に示す。
合計360層の複合体を使用してパネルを形成した以外は、実施例1を繰り返した。再び、同じタイプの銃弾を用いて試料の防弾性を試験した。その結果を下記の表1に示す。
成形圧力が500psiであった以外は、実施例5を繰り返した。再び、同じタイプの銃弾を用いて試料の防弾性を試験した。その結果を下記の表1に示す。
比較例7では、マトリックス樹脂がKraton(登録商標)D1107スチレン−イソプレン−スチレン・ブロックコポリマー熱可塑性エラストマーであり、複合体層の樹脂含有量が20重量%であった以外は、実施例1を繰り返した。合計250層の2プライ・プレアセンブリを使用して、250°F(121.1℃)、成形圧力200psi(1.4MPa)で30分間成形して、試験用パネルを形成した。MIL−STD−662−Fに従って、同じタイプの銃弾を使用して、試料の防弾性を試験した。下記の表2に、結果を示す。
比較例10では、マトリックス樹脂がエポキシビニルエステル樹脂(Derkane 411)であった以外は、比較例7を繰り返した。また、複合体層の樹脂含有量は、20重量%であった。合計250層の2プライ・プレアセンブリを使用して、200°F(93.3℃)、成形圧力200psi(1.4MPa)で30分間成形して、試験用パネルを形成した。同じタイプの銃弾を用いて、試料の防弾性を試験した。その結果を下記の表3に示す。
比較例12では、層の全数が36であった以外は、比較例10を繰り返した。9mmのフルメタルジャケット付き拳銃用銃弾を用いて、試料の防弾性能を試験した。成形圧力は、この場合も200psi(1.4MPa)であった。下記の表4に、防弾性の結果を示す。
本発明のアラミド防弾性材料を試験して、その構造特性を判定した。成形圧力が1500psi(10.3MPa)であった以外は同様の条件下で、実施例1と同様に同じサイズのパネルを形成した。合計45層を成形し、パネルから1インチ(2.54cm)×6インチ(15.24cm)の試料を切り出した。構造特性をASTM D790に従って判定した。その結果を下記の表5に示す。
成形圧力が150psi(1.0MPa)であった以外は、実施例14を繰り返した。構造特性を、ASTM D790に従って判定した。その結果を下記の表5に示す。
Claims (35)
- 高エネルギー小銃弾などに対する抵抗性を改善した防弾性複合材料を製造する方法であって、
高靭性アラミド繊維網を含む少なくとも1つの繊維層を準備する工程と、
該繊維層を熱可塑性ポリウレタン樹脂でコーティングする工程と、
該繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形する工程と、
を含んでなる、前記方法。 - それぞれが高靭性アラミド繊維網を含む少なくとも2つの繊維層を準備し、そして、該繊維層をそれぞれ熱可塑性ポリウレタン樹脂でコーティングする工程と、該繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形する工程をさらに含む、請求項1に記載の方法。
- 前記繊維層を少なくとも約2000psi(13.8MPa)の圧力で成形する、請求項2に記載の方法。
- 前記繊維層を少なくとも約3000psi(20.7MPa)の圧力で成形する、請求項2に記載の方法。
- 前記繊維層を約75°F〜約260°F(24℃〜127℃)の温度で成形する、請求項2に記載の方法。
- 前記熱可塑性ポリウレタン樹脂の量が、複合材料の全重量の約1重量パーセント〜約40重量パーセントである、請求項2に記載の方法。
- 前記熱可塑性ポリウレタン樹脂の量が、複合材料の全重量の約10重量パーセント〜約30重量パーセントである、請求項2に記載の方法。
- 隣接する繊維層が互いに交差して積み重ねられている、請求項2に記載の方法。
- 前記繊維層のそれぞれが、前記繊維が各層において一方向に配置されている不織布を含む、請求項8に記載の方法。
- 隣接する繊維層が、前記不織繊維層が各層において一方向に配置されている前記繊維である、請求項9に記載の方法。
- 前記繊維層が互いに90°で交差して積み重ねられている、請求項10に記載の方法。
- 前記繊維層の少なくとも1つと接触している少なくとも1つのプラスチックフィルムをさらに含む、請求項2に記載の方法。
- 高エネルギー小銃弾などに対する抵抗性を改善した防弾性複合材料を製造する方法であって、
高靭性アラミド繊維網を含む第1の繊維層を準備する工程と、
前記第1の繊維層を第1の熱可塑性ポリウレタン樹脂でコーティングする工程と、
高靭性アラミド繊維網を含む第2の繊維層を準備する工程と、
前記第2の繊維層を第2の熱可塑性ポリウレタン樹脂でコーティングする工程と、
前記第1および第2の繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形する工程と、
を含む、前記方法。 - 前記繊維層のそれぞれが不織布を含む、請求項13に記載の方法。
- 前記第1および第2の繊維層のそれぞれの前記繊維が各層において一方向に配置されている、請求項14に記載の方法。
- 前記繊維層が互いに90°で交差して積み重ねられている、請求項15に記載の方法。
- 前記繊維層を少なくとも約2000psi(13.8MPa)の圧力で成形する、請求項14に記載の方法。
- 前記繊維層を少なくとも約3000psi(20.7MPa)の圧力で成形する、請求項14に記載の方法。
- 前記繊維層を約75°F〜約260°F(24℃〜127℃)の温度で成形する、請求項14に記載の方法。
- 前記第1および第2の熱可塑性ポリウレタン樹脂の量が、前記層のそれぞれの全重量の約1重量パーセント〜約40重量パーセントである、請求項16に記載の方法。
- 前記第1および前記第2の熱可塑性ポリウレタン樹脂が同じポリウレタン樹脂である、請求項20に記載の方法。
- 前記ポリウレタン樹脂が複数のポリウレタン樹脂のコポリマーミックスを含む、請求項21に記載の方法。
- 前記第1および第2の繊維層中の前記繊維の靭性が少なくとも約20g/dである、請求項21に記載の方法。
- 前記第1および第2の繊維層中の前記繊維が、約200デニール〜約3000デニールである、請求項23に記載の方法。
- 前記繊維層の少なくとも1つと接触している少なくとも1つのプラスチックフィルムをさらに含む、請求項23に記載の方法。
- 請求項13に記載の方法で形成された物品。
- 高エネルギー小銃弾などに対する抵抗性を改善した防弾性複合材料を製造する方法であって、
高靭性アラミド繊維網を含む第1の不織繊維層を準備する工程と、
前記第1の不織繊維層を第1の熱可塑性ポリウレタン樹脂でコーティングする工程と、
高靭性アラミド繊維網を含む第2の不織繊維層を準備する工程と、
前記第2の不織繊維層を第2の熱可塑性ポリウレタン樹脂でコーティングする工程と、
前記第1および第2の不織繊維層を、前記第1および第2の不織繊維層が互いに対して配向されているように配置する工程と、
前記第1および第2の繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形する工程と、
を含む、前記方法。 - 前記繊維層を少なくとも約2000psi(13.8MPa)の圧力で成形し、前記第1および第2の繊維層のそれぞれの前記繊維が各層において一方向に配置され、前記繊維層が互いに90°で交差して積み重ねられている、請求項27に記載の方法。
- 前記第1および第2の熱可塑性ポリウレタン樹脂の量が、前記層のそれぞれの全重量の約10重量パーセント〜約30重量パーセントである、請求項28に記載の方法。
- 請求項29に記載の方法で形成された物品。
- 防弾防身具の高エネルギー小銃弾などに対する抵抗性を改善する方法であって、
高靭性アラミド繊維網を含む少なくとも第1の繊維層を準備する工程と、
前記第1の繊維層を第1の熱可塑性ポリウレタン樹脂でコーティングする工程と、
高靭性アラミド繊維網を含む少なくとも第2の繊維層を準備する工程と、
前記第2の繊維層を第2の熱可塑性ポリウレタン樹脂でコーティングする工程と、
前記第1および第2の繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形して、成形品を形成する工程と、
前記成形品から該防身具の少なくとも一部を形成する工程と、
を含む、前記方法。 - それぞれの繊維層が高靭性アラミド繊維網を含む少なくとも約40対の繊維層のそれぞれを、熱可塑性ポリウレタン樹脂でコーティングする工程と、前記繊維層を少なくとも約1,500psi(10.3MPa)の圧力で成形して、前記成形品を形成する工程とを含む、請求項31に記載の方法。
- 前記繊維層が不織布を含み、該繊維層の繊維が各層において一方向に配置され、前記繊維層が互いに90°で交差して積み重ねられている、請求項32に記載の方法。
- 前記繊維層の少なくとも1つと接触している少なくとも1つのプラスチックフィルムをさらに含む、請求項33に記載の方法。
- 請求項34に記載の方法で形成された防弾防護物品。
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- 2007-02-16 CN CN2007800133463A patent/CN101421096B/zh active Active
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US20070194490A1 (en) | 2007-08-23 |
IL193443A0 (en) | 2009-05-04 |
US9562749B2 (en) | 2017-02-07 |
KR101324947B1 (ko) | 2013-11-06 |
TW200741059A (en) | 2007-11-01 |
BRPI0707790A2 (pt) | 2011-05-10 |
US20150040749A1 (en) | 2015-02-12 |
CA2642509A1 (en) | 2008-05-29 |
TWI409374B (zh) | 2013-09-21 |
CA2642509C (en) | 2014-11-18 |
CL2007000448A1 (es) | 2008-01-11 |
WO2008063682A1 (en) | 2008-05-29 |
CN101421096B (zh) | 2013-02-06 |
KR20080093149A (ko) | 2008-10-20 |
US8673198B2 (en) | 2014-03-18 |
RU2008137287A (ru) | 2010-03-27 |
AR059583A1 (es) | 2008-04-16 |
EP2001665A1 (en) | 2008-12-17 |
CN101421096A (zh) | 2009-04-29 |
JP4980377B2 (ja) | 2012-07-18 |
IL193443A (en) | 2015-02-26 |
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