JP2011072994A - 被包化活性粒子、ならびにその製造法および使用法 - Google Patents
被包化活性粒子、ならびにその製造法および使用法 Download PDFInfo
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- JP2011072994A JP2011072994A JP2010249222A JP2010249222A JP2011072994A JP 2011072994 A JP2011072994 A JP 2011072994A JP 2010249222 A JP2010249222 A JP 2010249222A JP 2010249222 A JP2010249222 A JP 2010249222A JP 2011072994 A JP2011072994 A JP 2011072994A
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- active particles
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Abstract
【解決手段】被包化活性粒子であって、前記活性粒子による吸収を阻害する少なくとも1種類の被包剤によって、少なくとも部分的に被包された活性粒子を含む、粒子。この被包剤は、この活性粒子を早期の不活性化から防護し得る。所望の場合には、この被包剤は、活性粒子を再生するために除去され得る。種々のプロセスが、被包化粒子を、種々の製品に使用され得る埋封物質に導入するために実行され得る。本発明により、活性粒子の早期の不活性化を生じるプロセスを経て製造される物品に対して、活性粒子の活性を与えることが可能となる。
【選択図】なし
Description
本願は、米国仮特許出願第60/388,678号(2002年6月12日出願)の利益を主張する。その開示は、本明細書によってその全体が参考として援用される。
本発明は、活性粒子の特性を保存することに関する。特に、本発明は、活性粒子の少なくとも一部を除去可能な保護物質で被包する方法に関する。
特定の粒子が、異なる形態(気体、液体、および固体)の材料に性能特性を付加するために使用され得ることは、周知である。これらの粒子は、臭気の吸収、水分管理、紫外光保護、化学的保護、バイオハザード保護、防火、抗細菌性保護、抗ウイルス性保護、抗真菌性保護、抗微生物保護、および他の因子、ならびにそれらの組み合わせに適した特性を有し得る。
(項目1) 被包化活性粒子であって、上記活性粒子による吸収を阻害する少なくとも1種類の被包剤によって、少なくとも部分的に被包された活性粒子を含む、粒子。
(項目2) 上記被包剤が、早期の不活性化に対する防護を提供する、項目1に記載の粒子。
(項目3) 上記被包剤の少なくとも一部が、除去可能である、項目1に記載の粒子。
(項目4) 上記活性粒子が、少なくとも1つの孔を含み、かつ、上記被包剤が、上記少なくとも1つの孔を塞ぐ、項目1に記載の粒子。
(項目5) 活性粒子を埋封物質に取り込むための方法であって、上記方法が、以下:
上記活性粒子の少なくとも一部を、少なくとも1種類の被包剤で被包する工程;および
上記被包化活性粒子を上記埋封物質に導入する工程、
を包含する、方法。
(項目6) さらに以下の工程:
少なくとも1種類の上記被包化粒子および上記埋封物質を含む、マスターバッチを製造する工程;
上記マスターパッチを、内部に取り込まれた上記被包化粒子を有する材料へと押出し成形する工程;および
上記被包剤の少なくとも一部を除去する工程、
を包含する、項目5に記載の方法。
(項目7) 上記導入する工程が、上記被包化粒子を上記埋封物質に取り込ませることを包含する、項目5に記載の方法。
(項目8) 上記被包化活性粒子を、上記活性粒子が被包化されていない場合に、上記活性粒子を早期に不活性化し得る1種類以上の物質に供する工程を、さらに包含する、項目5に記載の方法。
(項目9) 上記被包する工程、および、上記導入する工程が、一回の工程で行われる、項目5に記載の方法。
(項目10) 上記被包化粒子を上記埋封物質に導入するための所定のプロセスを使用する工程を、さらに包含する、項目5に記載の方法。
(項目11) 上記所定のプロセスが、マスターバッチ処方プロセス、空気分散プロセス、パディングプロセス、ゼログラフィックプロセス、および溶液調製プロセスからなる群から選択される、項目10に記載の方法。
(項目12) 上記埋封物質が、気体、液体、固体、またはそれらの組合わせである、項目5に記載の方法。
(項目13) 上記活性粒子が、気体を吸収し得る、項目5に記載の方法。
(項目14) 上記活性粒子が、液体を吸収し得る、項目5に記載の方法。
(項目15) 上記活性粒子が、固体を吸収し得る、項目5に記載の方法。
(項目16) 上記埋封物質が、ポリエステル、ナイロン、ポリアクリル系物質、熱可塑性プラスチック、PTFE、ポリカーボネート、ポリアルカン、ポリビニル化合物、エポキシド、シロキサンベースの反応ポリマー、グルー、架橋性ポリマー、ポリマー、繊維、ワタ、アセテート、アクリル酸系物質、アラミド、複合物質、リオセル、メラミン、モダクリル系物質、オレフィン、PBI、レイヨン、スパンデックス、水、オイル、香料、エアロゾル、および任意のそれらの組合せからなる群から選択される、項目5に記載の方法。
(項目17) 上記活性粒子から上記被包剤の少なくとも一部を除去する工程をさらに包含する、項目5に記載の方法。
(項目18) 上記除去する工程が、活性粒子を再活性化または再生することを包含する、項目17に記載の方法。
(項目19) 上記除去する工程が、上記被包剤を溶解することを包含する、項目17に記載の方法。
(項目20) 上記被包剤が、水溶性界面活性剤、塩、ポリマー塩、ポリビニルアルコール、ワックス、光反応性材料、分解性材料、生分解性材料、およびそれらの任意の組合せからなる群から選択される、項目5に記載の方法。
(項目21) 上記活性粒子が、活性炭、グラファイト、酸化アルミニウム(活性アルミナ)、シリカゲル、ソーダ灰、アルミニウム三水和物、重曹、p−メトキシ−2−エトキシエチルエステル桂皮酸(シノキセート)、酸化亜鉛、ゼアライト、二酸化チタン、分子フィルター材料、および任意のそれらの組合せからなる群から選択される、項目5に記載の方法。
(項目22) 上記活性粒子が、臭気吸収、水分管理、紫外光保護、化学的保護、バイオハザード保護、防火、抗細菌性保護、抗ウイルス性保護、抗真菌性保護、抗微生物保護、および任意のそれらの組合せからなる群から選択される性能増強特性を提供する、項目5に記載の方法。
(項目23) 複数の活性粒子の少なくとも一部を、少なくとも1種類の除去可能な被包剤で被包化して被包化粒子を形成する工程、上記被包化粒子を埋封物質に導入する工程、上記活性粒子から上記被包剤の少なくとも一部を除去して上記性能増強材料を提供する工程によって、製造される、性能増強材料。
(項目24) 上記活性粒子が、上記増強材料の約0%〜約100%を構成する、項目23に記載の材料。
(項目25) 上記活性粒子が、上記増強材料の約0%〜約50%を構成する、項目24に記載の材料。
(項目26) 上記活性粒子が、上記増強材料の約0%〜約25%を構成する、項目24に記載の材料。
(項目27) 上記活性粒子が、上記増強材料の約0%〜約10%を構成する、項目24に記載の材料。
(項目28) 上記活性粒子が、上記増強材料の約0%〜約5%を構成する、項目24に記載の材料。
(項目29) 上記活性粒子が、活性炭、グラファイト、酸化アルミニウム(活性アルミナ)、シリカゲル、ソーダ灰、アルミニウム三水和物、重曹、p−メトキシ−2−エトキシエチルエステル桂皮酸(シノキセート)、酸化亜鉛、ゼアライト、二酸化チタン、分子フィルター材料、および任意のそれらの組合せからなる群から選択される、項目23に記載の材料。
(項目30) 上記被包剤が、水溶性界面活性剤、塩、ポリマー塩、ポリビニルアルコール、ワックス、光反応性材料、分解性材料、生分解性材料、およびそれらの任意の組合せからなる群から選択される、項目23に記載の材料。
(項目31) 上記埋封物質が、ポリエステル、ナイロン、ポリアクリル系物質、熱可塑性プラスチック、PTFE、ポリカーボネート、ポリアルカン、ポリビニル化合物、エポキシド、シロキサンベースの反応ポリマー、グルー、架橋性ポリマー、ポリマー、繊維、ワタ、アセテート、アクリル酸系物質、アラミド、複合物質、リオセル、メラミン、モダクリル系物質、オレフィン、PBI、レイヨン、スパンデックス、水、オイル、エアロゾル、香料、および任意のそれらの組合せからなる群から選択される、項目23に記載の材料。
(項目32) 上記活性粒子が、臭気吸収、水分管理、紫外光保護、化学的保護、バイオハザード保護、防火、抗細菌性保護、抗ウイルス性保護、抗真菌性保護、抗微生物保護、および任意のそれらの組合せからなる群から選択される性能増強特性を提供する、項目23に記載の材料。
(発明の要旨)
本発明の目的は、早期の不活性化を防止するために除去可能な物質(例えば、被包剤)で活性粒子を不活性化することによって、達成される。活性粒子に対して、または活性粒子と共に使用される、除去可能な物質は、活性粒子の孔を塞ぐか、または阻害することによって、活性粒子を不活性化する。除去可能な物質は、活性粒子の吸収能力を無効にするか、または減少させるが、この吸収能力の消失は永続的ではない。従って、除去可能な物質が活性粒子から除去される場合、その吸収能力は増大または回復する。言い換えると、除去可能な物質の除去により、活性粒子の再活性化または再生が生じる。
活性粒子は、孔またはトラップを有し、固相、液相、および/または気相、ならびにそれらの組み合わせの物質を吸収する能力を有する粒子である。これらの孔は、サイズ、形状、および質が、活性粒子の型に依存して変動し得る。例えば、いくつかの粒子は天然に孔を有し(例えば、火山岩)、他の粒子(例えば、炭素)は、孔を作製するために、極温および活性化薬剤(例えば、酸素)で処理され得る。
この実施例は、性能増強合成糸を、図3のプロセスに従って製造したことを示す。より具体的には、この実施例は、活性炭を被包化し、それをポリエステル製基礎材料と混合してマスターバッチチップを形成し、そのマスターバッチチップを押出し成形して所望の糸を製造し、そして、曝露された活性炭粒子から保護的被包層を除去する方法を、実施したことを示す。この実施例から得られた糸は、ポリエステル製基礎材料に関連する物理的特徴を示すことに加えて、実質的な吸収能力を示した。従って、この糸は、ポリエステルの持ち味を有していたが、活性炭から与えられる性能増強品質(例えば、臭気吸収)も有していた。
実施例1に示したものと類似の手順を繰り返したが、異なる被包剤を使用して、異なるマスターバッチを作製した。この実施例の結果が、図7に示される。この実施例で使用したマスターバッチは、実施例1で使用したものと同じ分類のSA−30炭素を使用し、Textile Wax WとしてBASF(Charlotte,North Carolina)により販売されている被包剤ワックス層を使用した。
Claims (1)
- 明細書中に記載の発明。
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US38867802P | 2002-06-12 | 2002-06-12 | |
US60/388,678 | 2002-06-12 |
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- 2003-06-12 CN CN2007101424114A patent/CN101157015B/zh not_active Expired - Lifetime
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- 2003-06-12 CA CA2489139A patent/CA2489139C/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
ATE477042T1 (de) | 2010-08-15 |
US20110180744A1 (en) | 2011-07-28 |
JP5735257B2 (ja) | 2015-06-17 |
MXPA04012543A (es) | 2005-04-19 |
US7247374B2 (en) | 2007-07-24 |
AU2003248695A1 (en) | 2003-12-31 |
CN101157015B (zh) | 2011-11-02 |
CA2489139A1 (en) | 2003-12-24 |
CA2489139C (en) | 2012-01-10 |
EP1531923A1 (en) | 2005-05-25 |
JP2012139688A (ja) | 2012-07-26 |
JP2005532152A (ja) | 2005-10-27 |
DE60333759D1 (de) | 2010-09-23 |
EP1531923B1 (en) | 2010-08-11 |
JP2006314996A (ja) | 2006-11-24 |
KR101226067B1 (ko) | 2013-01-24 |
US20040018359A1 (en) | 2004-01-29 |
CN100363085C (zh) | 2008-01-23 |
EP2286893A1 (en) | 2011-02-23 |
WO2003105996A1 (en) | 2003-12-24 |
CN101157015A (zh) | 2008-04-09 |
CN1658948A (zh) | 2005-08-24 |
KR20050023299A (ko) | 2005-03-09 |
EP1531923B8 (en) | 2010-09-22 |
KR101046303B1 (ko) | 2011-07-05 |
KR20110000688A (ko) | 2011-01-04 |
EP2286893B1 (en) | 2013-06-05 |
US20060008646A1 (en) | 2006-01-12 |
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