JPWO2019131919A1 - 異物易除去部材 - Google Patents
異物易除去部材 Download PDFInfo
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- JPWO2019131919A1 JPWO2019131919A1 JP2019562187A JP2019562187A JPWO2019131919A1 JP WO2019131919 A1 JPWO2019131919 A1 JP WO2019131919A1 JP 2019562187 A JP2019562187 A JP 2019562187A JP 2019562187 A JP2019562187 A JP 2019562187A JP WO2019131919 A1 JPWO2019131919 A1 JP WO2019131919A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L101/00—Compositions of unspecified macromolecular compounds
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Abstract
Description
上記のように、従来は、プラスチック部材の表面に、オーバーコート等の被膜を形成することで、液体と接触する部分(表面)の性質を改良して、液体中に含まれる異物(有機、無機、有機無機混合物等)を除去し易くするか、構造的に、プラスチック部材の表面に異物が付着し難い形に設計していた。
前記課題を解決するための手段は、以下の通りである。即ち、
<1> 合成樹脂と、ナノカーボン材料とを含む成形品からなる異物易除去部材。
本願発明によれば、プラスチックを主原料とし、液体に接触させて使用され、異物を容易に除去可能な異物易除去部材を提供することができる。
平面視で円形状をなしたメッシュ状の部材(異物易除去部材)を用意した。実施例1の部材は、ポリアミド樹脂(ポリアミド12)100質量部に対して、カーボンナノチューブを18質量部配合した組成物を、所定の金型を利用して成形した成形品からなる。
実施例1と同様、平面視で円形状をなしたメッシュ状の部材を用意した。比較例1の部材は、ポリアミド樹脂(ポリアミド12)を、実施例1と同様の金型を利用して成形したものからなる。
(ろ過試験)
実施例1及び比較例1の各部材の異物除去性を、図1に示されるクロスフローろ過方式の試験装置10を利用して評価した。ここで、先ず、図1を参照しつつ試験装置10について説明する。
平面視で円形状をなしたメッシュ状の部材(異物除去部材)を用意した。実施例2の部材は、図4に示されるように、メッシュ部を構成する線材の幅は、0.5mmであり、線材の厚みは、0.5mmである。図4の左側に、実施例2の部材におけるメッシュ部を構成する線材の平面が示され、図4の右側に、実施例2の部材におけるメッシュ部を構成する線材の側面が示される。このような実施例2の部材は、ポリプロピレン樹脂100質量部に対して、カーボンナノチューブ(CNT)を5.3質量部(CNT:5質量%)配合した組成物を、所定の金型を利用して成形したものからなる。
カーボンナノチューブ(CNT)を配合しないこと以外は、実施例2と同様にして、ポリプロピレン樹脂からなる比較例2の部材を作製した。図5に示されるように、比較例2の部材も、メッシュ部を構成する線材の幅は、0.5mmであり、線材の厚みは、0.5mmである。なお、図5の左側に、比較例2の部材におけるメッシュ部を構成する線材の平面が示され、図5の右側に、比較例2の部材におけるメッシュ部を構成する線材の側面が示される。
(浸漬試験)
フルオレセインイソチオシアネート(FITC)で標識されたウシ血清アルブミン(BSA)(以下、FITC−BSA)(200ppm)と、NaCl(10mmol/L)とを含む混合液1Lを、200rpmの条件で攪拌し、その混合液中に、針金で吊り下げた実施例2及び比較例2の各部材を浸漬した。
実施例2及び比較例2の各部材を、所定時間経過後(24時間後、48時間後、72時間後)に、適宜、混合液中から取り出し、純水で洗浄後、蛍光顕微鏡で観察した。なお、観察後は、再度、上記混合液中に浸漬した。なお、混合液中に浸漬する前に、浸漬試験開始時(0時間)の各部材の状態も、蛍光顕微鏡で観察した。実施例2の蛍光顕微鏡画像は、図6に示し、比較例2の蛍光顕微鏡画像は、図7に示した。
Claims (3)
- 合成樹脂と、ナノカーボン材料とを含む成形品からなる異物易除去部材。
- 前記ナノカーボン材料は、カーボンナノチューブからなる請求項1に記載の異物易除去部材。
- 前記合成樹脂は、熱可塑性樹脂からなる請求項1又は請求項2に記載の異物易除去部材。
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JP2017253968 | 2017-12-28 | ||
JP2017253968 | 2017-12-28 | ||
PCT/JP2018/048268 WO2019131919A1 (ja) | 2017-12-28 | 2018-12-27 | 異物易除去部材 |
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JPWO2019131919A1 true JPWO2019131919A1 (ja) | 2020-11-19 |
JP6995390B2 JP6995390B2 (ja) | 2022-01-14 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09194645A (ja) * | 1996-01-11 | 1997-07-29 | Furukawa Electric Co Ltd:The | 液状の樹脂添加剤、およびそれを用いた架橋オレフィン系樹脂絶縁体の製造方法 |
JP2005168855A (ja) * | 2003-12-12 | 2005-06-30 | Kawasumi Lab Inc | 医療用具及びその製造方法並びに高分子材料とカーボンナノチューブの組成物からなるコーティング剤の製造方法 |
JP2007332271A (ja) * | 2006-06-15 | 2007-12-27 | Miraial Kk | 高分子成形製品 |
JP2011219735A (ja) * | 2010-03-23 | 2011-11-04 | Dic Corp | 樹脂組成物及び樹脂組成物の製造法 |
-
2018
- 2018-12-27 WO PCT/JP2018/048268 patent/WO2019131919A1/ja active Application Filing
- 2018-12-27 JP JP2019562187A patent/JP6995390B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09194645A (ja) * | 1996-01-11 | 1997-07-29 | Furukawa Electric Co Ltd:The | 液状の樹脂添加剤、およびそれを用いた架橋オレフィン系樹脂絶縁体の製造方法 |
JP2005168855A (ja) * | 2003-12-12 | 2005-06-30 | Kawasumi Lab Inc | 医療用具及びその製造方法並びに高分子材料とカーボンナノチューブの組成物からなるコーティング剤の製造方法 |
JP2007332271A (ja) * | 2006-06-15 | 2007-12-27 | Miraial Kk | 高分子成形製品 |
JP2011219735A (ja) * | 2010-03-23 | 2011-11-04 | Dic Corp | 樹脂組成物及び樹脂組成物の製造法 |
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