JP2012193346A - 界面活性剤コーティングされた磁気ナノ粒子を含む硬化性インク - Google Patents
界面活性剤コーティングされた磁気ナノ粒子を含む硬化性インク Download PDFInfo
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- JP2012193346A JP2012193346A JP2012037237A JP2012037237A JP2012193346A JP 2012193346 A JP2012193346 A JP 2012193346A JP 2012037237 A JP2012037237 A JP 2012037237A JP 2012037237 A JP2012037237 A JP 2012037237A JP 2012193346 A JP2012193346 A JP 2012193346A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
- H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
- H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/34—Hot-melt inks
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet (AREA)
Abstract
【解決手段】少なくともコーティングされた磁気金属ナノ粒子、1つの硬化性モノマー、インクの硬化性構成成分の重合を開始する放射線活性化開始剤、および場合によりゲル化剤を含む紫外線(UV)硬化性ゲルインク。インクはまた、任意の着色剤および1つ以上の任意の添加剤を含んでいてもよい。これらの硬化性UVインク組成物は、種々の用途においてインクジェット印刷に使用できる。
【選択図】なし
Description
界面活性剤コーティングされた磁気ナノ粒子を用いた磁気インク濃縮物の製作
1.a 磁気ナノ粒子:約10nm(TEMで決定される場合)の平均粒径の界面活性剤コーティングされたFeCo合金磁気ナノ粒子は、300℃にて、93%のAr+7%H2のガス混合物下、1,2−ヘキサデカンジオール中の界面活性剤の混合物(オレイン酸およびトリオクチルホスフィン)中、Fe(III)アセチルアセトネートおよびCo(II)アセチルアセトネートの還元分解によって得られる。実験手順は、J.Am.Chem.Soc.120:7214−5(2007)に完全に記載されている。
界面活性剤コーティングされた磁気粒子を含有するUV硬化性相変化インクを次のように調製する。オーバーヘッド撹拌器を備え、ジャケット付加熱マントルに封入された600mLビーカーに、モノマーおよび光開始剤を添加する。混合物を箔で覆い、90℃まで加熱しながら撹拌する。次いで、アミドゲル化剤およびワックスを添加し、混合物が均質になるまで撹拌を継続する。この透明インクベースを圧力下、加熱された1μmフィルターを通してろ過する。ろ過されたインクベースを、90℃に加熱されたジャケット付加熱マントル内に封入された別の600mLビーカーに移し、ホモジナイザーに含浸させる。界面活性剤コーティングされた磁気ナノ粒子分散液濃縮物の15%分散液を、均質化中にインクベースに添加し、この混合物を40分間ブレンドする。インクは、加熱された1μmのフィルター装置を圧力下で通して再びろ過し、最終インクを得る。
ゲル化剤およびワックスを含有する磁気UVインク
米国特許第7,714,040号明細書(その開示が参考として本明細書に完全に組み込まれる)のインク実施例Aに開示されるものと同じゲル化剤および本実施形態に従うワックスを含有するインク組成物を表2に記載する。
ゲル化剤およびワックスを有しない磁気UVインク
本実施形態に従うゲル化剤およびワックスを含まないインク組成物を表3に記載する。
予測実施例1または2からのインクの液滴をピペットを用いて紙の上に堆積させる。インクコーティングされた紙を、水銀D−バルブを備えた600W Fusion UV Systems,IncのLighthammerランプ下に32フィート/分のベルト速度にて通すことによって液滴を硬化させた。薄いスキン層が、液滴表面に視覚可能であり、硬化が行われたことを示す。
Claims (10)
- モノマー、
光開始剤、
任意の硬化性オリゴマー、および
1つ以上の任意の添加剤を含む硬化性インクキャリア;
磁気金属コアおよびこの磁気金属コアに配置された保護コーティングを含むナノ粒子であって、保護コーティングは1つ以上の界面活性剤を含む粒子;および
任意の着色剤を含むインク。 - 前記磁気金属コアが、Fe、Mn、Co、Ni、FePt、CoPt、MnAl、MnBiおよびこれらの混合物からなる群から選択される、請求項1に記載のインク。
- 前記1つ以上の界面活性剤が、アニオン性界面活性剤、カチオン性界面活性剤、非イオン性界面活性剤、双極性界面活性剤、およびこれらの混合物からなる群から選択される、請求項1に記載のインク。
- 前記保護コーティングが約0.2nm〜約100nmの厚さを有する、請求項1に記載のインク。
- 前記磁気ナノ粒子が、約20emu/グラム〜約100emu/グラムの残留力を有する、請求項1に記載のインク。
- 前記磁気ナノ粒子が、約200エルステッド〜約50,000エルステッドの保磁力を有する、請求項1に記載のインク。
- 前記磁気ナノ粒子が、約20emu/グラム〜約150emu/グラムの磁気飽和モーメントを有する、請求項1に記載のインク。
- 前記ナノ粒子のサイズが、すべての次元で、約3nm〜約300nmである、請求項1に記載のインク。
- 前記磁気金属コアが、約3:2〜約10:1のアスペクト比を有するニードル様形状を有する、請求項1に記載のインク。
- (a)次の一般構造を有するポリアミド:
(b)硬化性アミドゲル化剤;
(c)エステル末端処理されたジアミド化合物;および
(d)トランス−1,2−シクロヘキサン−ビス(尿素−ウレタン)化合物
からなる群から選択されるゲル化剤をさらに含む、請求項1に記載のインク。
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US13/050,341 US8709274B2 (en) | 2011-03-17 | 2011-03-17 | Curable inks comprising surfactant-coated magnetic nanoparticles |
US13/050,341 | 2011-03-17 |
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US9847157B1 (en) * | 2016-09-23 | 2017-12-19 | Toyota Motor Engineering & Manufacturing North America, Inc. | Ferromagnetic β-MnBi alloy |
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