JP2005516129A - 帯電粒子を用いる材料の親水性化方法 - Google Patents
帯電粒子を用いる材料の親水性化方法 Download PDFInfo
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- JP2005516129A JP2005516129A JP2003564335A JP2003564335A JP2005516129A JP 2005516129 A JP2005516129 A JP 2005516129A JP 2003564335 A JP2003564335 A JP 2003564335A JP 2003564335 A JP2003564335 A JP 2003564335A JP 2005516129 A JP2005516129 A JP 2005516129A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
(a)少なくともいくつかの疎水性又は境界親水性成分から成る材料を提供する工程と;
(b)前記材料に高エネルギー表面処理を適用して処理された材料を形成する工程と;
(c)複数の帯電粒子及び/又は離散電荷をもつ1以上の親水性ポリマーを前記処理された材料に適用する工程とを含む。
本明細書で使用される帯電粒子は、正もしくは負のいずれかに帯電することができ、又はそれらは正と負の両方の電荷を含むことができる。帯電粒子は、好適ないずれの大きさであることもできる。帯電粒子の大きさは、ナノサイズ粒子、約750nm(ナノメートル)未満又は約750nm以下の最大寸法(例えば、直径)を有する粒子から、より大きいサイズの粒子までの範囲であることができる。当然のことながら、本明細書全体にわたって提示するあらゆる限界が、場合によっては更に低い又は更に高い限界を、本明細書に明確に記載したものとして含むこともある。本明細書全体にわたって提示するあらゆる範囲には、そのような広い範囲内に入る、更に狭いあらゆる範囲が、本明細書に明確に記載したものとして含まれる。
[MgwLixSi8O20OH4−yFy]z−
式中、w=3〜6、x=0〜3、y=0〜4、z=12−2w−xであり、全体として負の格子電荷は、対イオンによって平衡を保たれており、対イオンは、Na+、K+、NH4 +、Cs+、Li+、Mg++、Ca++、Ba++、N(CH3)4 +、及びこれらの混合物から成る群から選択される。(ラポナイト(LAPONITE)(商標)がカチオン性有機化合物で「変性」されている場合、「対イオン」は、任意のカチオン性有機基(R)とみなすことができる。)
本方法は、帯電粒子の代わりに、又は帯電粒子に加えて、親水性ポリマー(又は親水性ポリマー材料)を使用できる。親水性ポリマーはそれに関連する離散電荷(又は1以上の帯電した基)を有していなければならず、この親水性ポリマーは強い双極子をもつ親水性ポリマーを含み、又は離散電荷と強い双極子モーメントの双方をもつ親水性ポリマーを含み、又は親水性ポリマーは、多糖類以外の種類の親水性ポリマーを含むことができる。親水性ポリマーはまた、離散電荷を含む汚れ放出ポリマー、特にスルホネート基をもつものを含んでいてもよい。用語「離散電荷をもつ親水性ポリマー」を本明細書に記載される方法に関連して本明細書で使用する場合、このような関連はいずれも上記で言及した別の群のポリマー、例えば強い双極子をもつポリマー及び多糖類以外の親水性ポリマーにも適用される。
例示のためにポリカチオン性種は、数百ダルトンから二、三十万ダルトンまでの分子量をもち、2以上の四級アンモニウム基を含んでいてもよい。四級アンモニウム基は、環の一部であってもよく、又はそれは非環状であってもよい。例としては、ポリイオネン(polyionenes)、ポリ(ジアリルジメチルアンモニウムクロリド)、ジメチルアミン−エピクロロヒドリンコポリマー及びイミダゾール−エピクロロヒドリンコポリマーが挙げられるが、これらに限定されない。
双性イオン性種は、少なくとも1つの四級化アミン基及びアニオン性電荷をもつことができる1以上の部分で置換された少なくとも1つのアミン基を有する2以上のアミン基を含有していてもよい。
ポリアニオン性種は水溶性アニオン性基を含んでいてもよく、それらにはカルボキシレート、スルホネート、サルフェート、ホスフェート、ホスホネート及びこれらの混合物が挙げられるが、これらに限定されない。例としては:ポリアクリレート、ポリメタクリレート、ポリマレエート、ポリイタコネート、ポリアスパルテート、ポリグリオキシレート、ポリビニルサルフェート、ポリビニルスルホネート、ポリスチレンスルホネート、ナフタレン、ナフタレンスルホン酸又はフェノールスルホン酸のアルデヒド縮合物、スルホイソフタレートを含むコポリエステル、テレフタレート(teraphthalates)及びスルホン化アリルエトキシレート基を含むコポリエステル、ジオールスルホネート(diolsulfonates)を含むコポリエステル、ポリ(2−アクリルアミド−2−メチルプロパンスルホン酸)、並びにこれらのコポリマーが挙げられるが、これらに限定されない。
強い双極子をもつ親水性ポリマー材料は、アミド基のような高双極子モーメントをもつモノマー基を含むことができる。例としては、ポリビニルピロリドン、ポリアクリルアミド、ポリビニルオキサゾリン、及びこれらのコポリマーが挙げられるが、これらに限定されない。
帯電粒子及び/又は離散電荷をもつ親水性ポリマー材料に加えて、本方法の特定の実施形態では多価の無機塩を使用してもよい。多価の無機塩は、帯電粒子及び/又は離散電荷をもつポリマー材料の表面での吸着をつなぎ留める又は向上させるために作用し得る。多価の無機塩は、Ca+2、Mg+2、Ba+2、Al+3、Fe+2、Fe+3、Cu+2及びこれらの混合物から成る群から選択されることができ、その際、電荷のバランスを取るのに適当なアニオンを使用する。
2サゾール・ノース・アメリカ社(Sasol North America,Inc.)
3アルドリッチ(Aldrich)、カタログ番号52,237−6(材料は、「非常に小さいMW」として供給元により標識されている。)
4アクゾル(Acusol)480N(ローム・アンド・ハース(Rohm & Haas)
特に指定のない限り、試験はすべて標準の実験室条件(湿度50%及び73°F(23℃))で行う。
動的接触角は、ファースト・テン・オングストローム(First Ten Angstroms)(米国)製のFTA200動的接触角分析装置(Dynamic Contact Angle Analyzer)を用いて測定する。試験溶液1滴を試料基質上に滴下する。液滴が基質表面全体にわたって拡散するのをデジタルビデオで記録し、FTA200ソフトウェアによって液体と基質との接触角を時間の関数として測定する。
液体染み透り時間は、レンジング(Lenzing)AG(オーストリア)製のリスター型染み透り機器(Lister-type strike-through equipment)を用いて測定する。試験手順は、標準EDANA(欧州使い捨て品及び不織布協会(European Disposables And Nonwovens Association))法150.3−96に基づくものであり、試験試料を、10プライの濾紙(郵便番号45237、米国、オハイオ州シンシナティ、レインホールドドライブ(Reinhold Drive)7616に所在のエンピリカル・マニュファクチャリング社(Empirical Manufacturing Co.,Inc.)から得られるアールストローム銘柄(Ahlstrom Grade)632又は同等のもの)から構成される吸収性パッド上に設置して実施される。通常の実験では、3連続の5mlの試験液体(0.9%食塩水溶液)の噴出を1分の間隔で不織布試料に適用し、吸収性パッドを変えずにそれぞれの染み透り時間を記録する。
Claims (10)
- 材料を親水性にする、又は材料の親水性を増大させる方法であって、この方法が:
(a)材料を提供する工程と;
(b)前記材料に高エネルギー表面処理を適用して処理された材料を形成する工程と;
(c)複数の帯電粒子を前記処理された材料に適用する工程
とを含む方法。 - 材料を親水性にする、又は材料の親水性を増大させる方法であって、この方法が:
(a)材料を提供する工程と;
(b)前記材料に高エネルギー表面処理を適用し、処理された材料を形成する工程と;
(c)帯電種を前記処理された材料に適用する工程であって、前記帯電種が少なくとも(i)複数の帯電粒子;及び(ii)少なくとも1つの親水性ポリマー材料の少なくとも1つを含み、前記親水性ポリマー材料が、離散電荷を有する親水性ポリマー材料;強い双極子モーメントをもつ親水性ポリマー材料;又は多糖類系材料以外の親水性ポリマー材料の少なくとも1つを含む工程
とを含む方法。 - 工程(a)で提供される前記材料が軟質面を有する、請求項1又は2に記載の方法。
- 前記材料が不織材料を含む、請求項1〜3のいずれか1項に記載の方法。
- 工程(b)で適用される高エネルギー表面処理が、コロナ放電処理;プラズマ処理;紫外線;イオンビーム処理;電子ビーム処理;及びレーザ処理からなる群から選択される処理を含む、請求項1〜4のいずれか1項に記載の方法。
- 工程(b)及び(c)が連続して起こる、請求項1〜5のいずれか1項に記載の方法。
- 工程(b)及び(c)が同時に起こる、請求項1〜5のいずれか1項に記載の方法。
- 工程(c)の後に、前記処理された材料の表面が親水性になり、水との前進接触角が90°未満である、請求項1〜7のいずれか1項に記載の方法。
- 軟質面と、その上にある複数の帯電粒子とを有する材料であって、前記粒子が前記材料に親水性に変性された表面を付与する、材料。
- 請求項9に記載の、吸収性不織材料。
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US35283002P | 2002-01-30 | 2002-01-30 | |
PCT/US2003/001564 WO2003064753A1 (en) | 2002-01-30 | 2003-01-17 | Method for hydrophilizing materials using charged particles |
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EP (1) | EP1470281B1 (ja) |
JP (1) | JP2005516129A (ja) |
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- 2003-01-08 US US10/338,603 patent/US20030148684A1/en not_active Abandoned
- 2003-01-17 JP JP2003564335A patent/JP2005516129A/ja active Pending
- 2003-01-17 EP EP03703888.2A patent/EP1470281B1/en not_active Expired - Lifetime
- 2003-01-17 CN CNB038029022A patent/CN1328437C/zh not_active Expired - Fee Related
- 2003-01-17 WO PCT/US2003/001564 patent/WO2003064753A1/en active Application Filing
- 2003-01-17 MX MXPA04007375A patent/MXPA04007375A/es active IP Right Grant
Cited By (2)
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JP2011526659A (ja) * | 2008-07-02 | 2011-10-13 | フィブロリン・フランス | 多孔質材料に粉末を含める装置および方法 |
JP2013513702A (ja) * | 2009-12-10 | 2013-04-22 | インビスタ テクノロジーズ エス エイ アール エル | 撥汚性用水性分散液、撥汚性軟質製品およびそれらの製造方法 |
Also Published As
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WO2003064753A1 (en) | 2003-08-07 |
EP1470281A1 (en) | 2004-10-27 |
CN1328437C (zh) | 2007-07-25 |
US20030148684A1 (en) | 2003-08-07 |
CN1625623A (zh) | 2005-06-08 |
EP1470281B1 (en) | 2016-05-25 |
MXPA04007375A (es) | 2004-11-26 |
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