JP6762991B2 - 使い捨て手術衣に使用される積層体材料 - Google Patents
使い捨て手術衣に使用される積層体材料 Download PDFInfo
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- JP6762991B2 JP6762991B2 JP2018119509A JP2018119509A JP6762991B2 JP 6762991 B2 JP6762991 B2 JP 6762991B2 JP 2018119509 A JP2018119509 A JP 2018119509A JP 2018119509 A JP2018119509 A JP 2018119509A JP 6762991 B2 JP6762991 B2 JP 6762991B2
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Description
本出願は、米国特許仮出願第62/331,641号(2016年5月4日出願)に基づく優先権を主張するものである。上記出願は、その全文を引用することを以って本明細書の一部となす。
本発明は、手術室で医療供給者が着用する手術衣(サージカルガウン)や、危険な物質及び液体に曝される危険がある他の環境で作業者が着用する作業衣などの保護衣類に関する。
実施例1では、病院の手術室で使用されている光源と類似するC光源を光源として使用した紙用の標準的なTAPPI試験方法にしたがって、本発明に係る弾性フィルム不織布積層体の不透明度(拡散反射率)、散乱能(散乱力)、散乱係数、吸収能(吸収力)、吸収係数、及び透過率を測定した。また、使い捨て式手術衣に使用される4つの市販の材料についても、上記の各特性を測定した。また、材料の坪量も測定した。これらの測定結果を下記の表1に示す。
Claims (11)
- 手術衣に使用される積層体材料であって、
前記手術衣は、前側パネルを含み、前記前側パネルは前記積層体材料を含み、
前記積層体材料は、
第1の材料と、
第2の材料と、
前記第1の材料及び材料第2の材料間に配置された、液体不透過性及び水蒸気通気性を有する弾性フィルムとを含み、
前記第1の材料は、不織布層を含み、
前記第2の材料は、スパンボンド/メルトブローン/スパンボンド積層体(SMS積層体)を含み、
前記第1の材料、前記第2の材料、及び前記弾性フィルムは各々、カーボンブラック顔料及び二酸化チタンを含み、
前記弾性フィルムは、フルオロケミカル添加物をさらに含み、
前記弾性フィルムは、ASTM試験1671の合格基準を満たし、
前記第1の材料及び前記第2の材料は、スリップ剤をさらに含み、かつ
当該積層体材料は、98%以上の不透明度を示すことを特徴とする積層体材料。 - 前記弾性フィルムは、炭酸カルシウム充填剤をさらに含み、
前記炭酸カルシウム充填剤は、前記弾性フィルムのコア層に、その総重量に基づいて、50〜85重量%の範囲の量で含まれることを特徴とする請求項1に記載の積層体材料。 - 前記フルオロケミカル添加物は、前記弾性フィルムのコア層に、その総重量に基づいて、0.1〜5重量%の範囲の量で含まれることを特徴とする請求項1に記載の積層体材料。
- 前記スリップ剤は、エルカ酸アミド、オレイン酸アミド、ステアリン酸アミド、ベヘン酸アミド、オレイルパルミチン酸アミド、ステアリルエルカ酸アミド、エチレンビス−オレイン酸アミド、N、N´−エチレンビスステアリン酸アミド(EBS)、またはそれらの組み合わせを含み、
前記スリップ剤は、前記第1の材料に、その総重量に基づいて、0.1〜4重量%の範囲の量で含まれ、かつ
前記スリップ剤は、前記第2の材料に、その各スパンボンド層の総重量に基づいて、0.25〜6重量%の範囲の量で含まれることを特徴とする請求項1ないし3のいずれかに記載の積層体材料。 - 前記第1の材料は、スパンボンド層を含むことを特徴とする請求項1ないし4のいずれかに記載の積層体材料。
- 前記第1の材料と、前記第2の材料の各スパンボンド層は、プロピレン及びエチレンのコポリマーを含み、
前記エチレンは、1〜20重量%の範囲の量で含まれることを特徴とする請求項1ないし5のいずれかに記載の積層体材料。 - 前記第2の材料の前記メルトブローンの層は、ポリプロピレンを含むことを特徴とする請求項1ないし6のいずれかに記載の積層体材料。
- 前記弾性フィルムのコア層は、プロピレンを含むことを特徴とする請求項2ないし7のいずれかに記載の積層体材料。
- 前記弾性フィルムは、前記コア層の互いに反対側の2つの面上にそれぞれ第1のスキン層及び第2のスキン層を含み、
前記第1のスキン層及び前記第2のスキン層は各々、
プロピレン及びエチレンのコポリマーを含み、
前記エチレンは、1〜20重量%の範囲の量で含まれることを特徴とする請求項2に記載の積層体材料。 - 前記弾性フィルムは、5〜50gsmの範囲の坪量を有することを特徴とする請求項1ないし9のいずれかに記載の積層体材料。
- 前記不織布層は、5〜50gsmの範囲の坪量を有し、
前記SMS積層体は、5〜50gsmの範囲の坪量を有することを特徴とする請求項1ないし10のいずれかに記載の積層体材料。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201662331641P | 2016-05-04 | 2016-05-04 | |
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