JP4260479B2 - 熱アルカリ処理により分解可能なプラスチック製品の処理方法 - Google Patents
熱アルカリ処理により分解可能なプラスチック製品の処理方法 Download PDFInfo
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- JP4260479B2 JP4260479B2 JP2002552062A JP2002552062A JP4260479B2 JP 4260479 B2 JP4260479 B2 JP 4260479B2 JP 2002552062 A JP2002552062 A JP 2002552062A JP 2002552062 A JP2002552062 A JP 2002552062A JP 4260479 B2 JP4260479 B2 JP 4260479B2
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- absorbent core
- absorbent
- bottom layer
- bandage
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Description
トレデガーX−6799孔開きフィルムを巻き戻し、20cm×27cm角に切断し、隆起部を上向きにして配置した。フィンドレーHM3210接着剤をPGI FB−035C不織布(接合二成分繊維)の20cm×27cm片の全頂面に適用した。この不織布パッドを、接着剤面を下にして孔開きフィルムの上方に突出する隆起部の頂部に置いた。これを包帯パッド源として用いた。包帯パッド源を切断して2.1cm×1.2cm包帯パッドにした。第2のトレデガーX−6799孔開きフィルムを巻き戻し、切断して7.6cm×1.9cmストリップにした。これらのストリップを、隆起部を下向きに配置した。フィンドレー3210接着剤をこれらストリップの上方に向いた面に適用した。上述のようにして調製された包帯パッドを不織布面を下にしてストリップの中央に配置した。
トレデガーX−6799の代わりに種々の孔開きフィルムを用いて上記工程を繰り返した。トレデガーX−6845、トレデガーX−6923、トレデガーX−6944、およびトレデガーX−6844を用いてサンプルを調製した。
包帯については、傷に接触する包帯の層が傷に貼り付かないことが重要である。したがって、傷剥離試験を用いて、傷に貼り付かないことに関して包帯の質を決定する。実施例1で調製した吸収性パッドを試験紙、傷剥離特性がよいことが知られている市販製品と比較した。試験を雌ヨークシャー豚で行った。試験前日、この動物を鎮静させ、電気バリカンを用いて背面および側面から毛を除去した。脱毛ローションをその領域に適用した。10分後、ローションを金属製ヘラで除去した。この領域を刺激性の少ない石鹸で洗浄し、消毒綿で拭き取り乾燥させた。翌日、この動物を鎮静させ、ブラウン・ダーマトーム(Brown Dermatome)セットを用いて、1列12個の2.5cm×2.5cmの、深さ0.08cmの浅い傷を各脇腹に脊柱に平行に創出した。伸縮性包帯を各包帯の上に適用して各包帯の移動または除去を防止した。
本発明の吸収性物品の可能性のある用途はすべてこの物品が高い液体吸収性を持つことを要求している。したがって、実施例1で調製した吸収性パッドについて吸収性試験を行って物品が液体を吸収する速度を決定し、かつ圧力を適用した時に物品に保持される液体の量(再湿潤性として知られる)を決定した。この試験を、IDANA150.1−90液体浸透(ストライク−スルー)時間試験の変法を用いて行った。得られた結果を表2に示す。
吸収性物品は高い液体吸収性を有することが要求されるが、それらは高い水分蒸発速度を持つことも必要である。水分蒸発速度が高いと液体が吸収性物品の上面から大気中に通過することが可能になる。したがって、実施例1で調製された吸収性物品および市販のパッドについて水分蒸発速度試験を行って吸収性物品から大気に液体が通過する速度を決定した。この試験は吸収性パッドにおける水の損失(重量)を測定し、(37℃における)損失速度計算をすることにより行った。
24 吸収性コア
24a,24b,24c 繊維性ウェブ
25 第1の主面または上面
26 第2の主面または下面
28 底層
32 頂層
37 隆起
38 ベース
40 頂点
42 頂点開口
44 ベース開口
50 接着性包帯
52 基材
53 主面
54 接着剤
58 傷接触パッド
70 接着性包帯
72 基材
73 主面
74 接着剤
78 傷接触パッド
80 繊維層
82 被覆層
C1 真の厚さ(caliper)
C2 見かけの厚さ
P 面
W 傷
Claims (24)
- 第1の主面と第2の主面を有する吸収性コア材料と、
底層と、
頂層とを備え、
前記底層は開放領域と複数の隆起部とを有する孔開きフィルムを含み、前記底層の隆起部は前記吸収性コア材料に対向し、かつ前記吸収性コアと接触し、
前記頂層は前記吸収性コアと接触し、かつ開放領域と複数の隆起部とを有する孔開きフィルムを含み、前記頂層の隆起部は前記吸収性コアから遠ざかる方向に向いている吸収性物品。 - 前記吸収性コア材料はレーヨン、綿、木材パルプ、ポリエステル、ポリアミド、ポリオレフィン、それらの共重合体、およびそれらの組み合わせから選ばれる請求項1記載の物品。
- 前記吸収性コア材料は二成分繊維を含む請求項1記載の物品。
- 前記吸収性コア材料は接合されている請求項1記載の物品。
- 前記底層の孔開きフィルムと前記頂層の孔開きフィルムはポリエチレン、メタロセン触媒重合ポリエチレン、ポリプロピレンおよびそれらの共重合体、ならびにエチレン−酢酸ビニル共重合体を含む請求項1記載の物品。
- 前記底層の孔開きフィルムと前記頂層の孔開きフィルムはトレデガーX−6799、トレデガーX−6845、トレデガーX−6923、トレデガーX−6944およびトレデガーX−6844から選ばれる請求項1記載の物品。
- 前記物品はおむつである請求項1記載の物品。
- 前記物品は衛生パッドである請求項1記載の物品。
- 前記物品は包帯である請求項1記載の物品。
- 前記物品の底層が親水性界面活性剤で処理されている請求項9記載の物品。
- 前記親水性界面活性剤はソルビトールのラウリン酸エステル類、酸化エチレンと縮合したソルビトール無水物類;酸化エチレン/酸化プロピレン共重合体類;オクチルフェノール・エトキシレート;ノニルフェノールエトキシレート類;およびエトキシル化アルコール類からなる群から選ばれる請求項10記載の物品。
- 前記包帯の底層用の開放領域は前記孔開きフィルムの全面積の5%〜30%である請求項9記載の物品。
- 前記包帯の底層用の開放領域は前記孔開きフィルムの全面積の10%〜25%である請求項9記載の物品。
- 前記底層はポリエチレンフォームである請求項9記載の物品。
- 前記ポリエチレンフォームの密度は0.008g/cm3 〜0.160g/cm3 である請求項14記載の物品。
- 前記全開放領域は全フォーム領域の10%〜80%である請求項14記載の物品。
- 表面に隆起部を有する孔開きフィルムを隆起部を上向きにして置き、
吸収性コア材料の頂面に接着剤を適用し、
前記吸収性コア材料の頂面を前記孔開きフィルム上に置いて、前記吸収性コア材料の頂面と前記孔開きフィルムを接触させ、
表面に隆起部を有する第2の孔開きフィルムを隆起部を上向きにして置き、
前記第2の孔開きフィルムの頂面に接着剤を適用し、
前記吸収性コア材料の底面を前記第2の孔開きフィルムの頂面上に置いて、前記吸収性コア材料の底面と前記第2の孔開きフィルムの頂面を接触させることにより、吸収性物品を形成する方法。 - 前記吸収性物品はおむつである請求項17記載の方法。
- 前記吸収性物品は衛生パッドである請求項17記載の方法。
- 前記吸収性物品は包帯である請求項17記載の方法。
- 長さ、幅、および主面を持つ基材と、
傷接触パッドであって、
前記傷接触パッドは前記基材の主面に固定され、前記傷接触パッドは第1の主面と第2の主面を有する吸収性コア材料を含む傷接触パッドと、
底層、および
頂層であって、
前記底層は開放領域と複数の隆起部とを有する孔開きフィルムを含み、前記底層の隆起部は前記吸収性コア材料に対向し、かつ前記吸収性コアと接触する底層と、
前記頂層は前記吸収性コアと接触し、かつ開放領域と複数の隆起部とを有する孔開きフィルムを含み、前記頂層の隆起部は前記吸収性コアから遠ざかる方向に向いている頂層と
を備える接着性包帯。 - 前記傷接触パッドの幅は前記基材の幅と同じであり、前記傷接触パッドの長さは前記基材の長さよりも短い請求項21記載の接着性包帯。
- 前記傷接触パッドの長さは前記基材の長さよりも短く、前記傷接触パッドの幅は前記基材の幅よりも小さい請求項21記載の接着性包帯。
- 前記基材は接着剤を適用され、前記傷接触パッドは前記基材に前記接着剤により固定され、前記傷接触パッドの境界線が前記基材の境界線の内側に存在し、それにより前記基材に適用された接着剤の一部が前記傷接触パッドの境界線の外側に存在する請求項21記載の接着性包帯。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/740,742 US6600085B2 (en) | 2000-12-19 | 2000-12-19 | Absorbent article |
PCT/US2001/045853 WO2002050176A1 (en) | 2000-12-19 | 2001-12-18 | Absorbent article |
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Publication Number | Publication Date |
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JP2004529787A JP2004529787A (ja) | 2004-09-30 |
JP4260479B2 true JP4260479B2 (ja) | 2009-04-30 |
Family
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JP2002552062A Expired - Fee Related JP4260479B2 (ja) | 2000-12-19 | 2001-12-18 | 熱アルカリ処理により分解可能なプラスチック製品の処理方法 |
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Country | Link |
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US (1) | US6600085B2 (ja) |
EP (1) | EP1367972B1 (ja) |
JP (1) | JP4260479B2 (ja) |
CN (1) | CN100354122C (ja) |
AU (2) | AU2002228735B2 (ja) |
BR (1) | BR0116314A (ja) |
CA (1) | CA2432290C (ja) |
DE (1) | DE60139642D1 (ja) |
MX (1) | MXPA03005527A (ja) |
NZ (1) | NZ526534A (ja) |
WO (1) | WO2002050176A1 (ja) |
ZA (1) | ZA200305540B (ja) |
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-
2000
- 2000-12-19 US US09/740,742 patent/US6600085B2/en not_active Expired - Lifetime
-
2001
- 2001-12-18 MX MXPA03005527A patent/MXPA03005527A/es active IP Right Grant
- 2001-12-18 CN CNB018223435A patent/CN100354122C/zh not_active Expired - Fee Related
- 2001-12-18 WO PCT/US2001/045853 patent/WO2002050176A1/en active IP Right Grant
- 2001-12-18 AU AU2002228735A patent/AU2002228735B2/en not_active Ceased
- 2001-12-18 BR BR0116314-0A patent/BR0116314A/pt not_active Application Discontinuation
- 2001-12-18 DE DE60139642T patent/DE60139642D1/de not_active Expired - Fee Related
- 2001-12-18 NZ NZ526534A patent/NZ526534A/en unknown
- 2001-12-18 AU AU2873502A patent/AU2873502A/xx active Pending
- 2001-12-18 JP JP2002552062A patent/JP4260479B2/ja not_active Expired - Fee Related
- 2001-12-18 EP EP01989857A patent/EP1367972B1/en not_active Expired - Lifetime
- 2001-12-18 CA CA002432290A patent/CA2432290C/en not_active Expired - Fee Related
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2003
- 2003-07-17 ZA ZA200305540A patent/ZA200305540B/en unknown
Also Published As
Publication number | Publication date |
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US6600085B2 (en) | 2003-07-29 |
JP2004529787A (ja) | 2004-09-30 |
MXPA03005527A (es) | 2004-10-14 |
US20020115953A1 (en) | 2002-08-22 |
AU2873502A (en) | 2002-07-01 |
ZA200305540B (en) | 2004-08-27 |
CN1501955A (zh) | 2004-06-02 |
CN100354122C (zh) | 2007-12-12 |
EP1367972B1 (en) | 2009-08-19 |
DE60139642D1 (de) | 2009-10-01 |
WO2002050176A9 (en) | 2002-10-17 |
CA2432290A1 (en) | 2002-06-27 |
CA2432290C (en) | 2009-05-12 |
WO2002050176A1 (en) | 2002-06-27 |
EP1367972A1 (en) | 2003-12-10 |
BR0116314A (pt) | 2005-01-11 |
NZ526534A (en) | 2005-07-29 |
AU2002228735B2 (en) | 2007-12-06 |
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