JP6815425B2 - 銀粒子分散液およびその製造方法並びにその銀粒子分散液を用いた導電膜の製造方法 - Google Patents
銀粒子分散液およびその製造方法並びにその銀粒子分散液を用いた導電膜の製造方法 Download PDFInfo
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- JP6815425B2 JP6815425B2 JP2019047932A JP2019047932A JP6815425B2 JP 6815425 B2 JP6815425 B2 JP 6815425B2 JP 2019047932 A JP2019047932 A JP 2019047932A JP 2019047932 A JP2019047932 A JP 2019047932A JP 6815425 B2 JP6815425 B2 JP 6815425B2
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- 239000002245 particle Substances 0.000 title claims description 314
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 274
- 229910052709 silver Inorganic materials 0.000 title claims description 208
- 239000004332 silver Substances 0.000 title claims description 208
- 239000006185 dispersion Substances 0.000 title claims description 132
- 238000004519 manufacturing process Methods 0.000 title description 23
- 230000001186 cumulative effect Effects 0.000 claims description 110
- 239000007788 liquid Substances 0.000 claims description 78
- 239000002904 solvent Substances 0.000 claims description 50
- 239000011164 primary particle Substances 0.000 claims description 43
- 125000004432 carbon atom Chemical group C* 0.000 claims description 38
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 35
- 239000000194 fatty acid Substances 0.000 claims description 35
- 229930195729 fatty acid Natural products 0.000 claims description 35
- 150000004665 fatty acids Chemical class 0.000 claims description 35
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000002270 dispersing agent Substances 0.000 claims description 19
- 229960003656 ricinoleic acid Drugs 0.000 claims description 11
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 6
- 150000002576 ketones Chemical class 0.000 claims description 5
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 66
- 238000000034 method Methods 0.000 description 54
- 230000002776 aggregation Effects 0.000 description 30
- 239000002002 slurry Substances 0.000 description 22
- 239000010408 film Substances 0.000 description 18
- 238000004220 aggregation Methods 0.000 description 17
- 238000004062 sedimentation Methods 0.000 description 17
- 238000005054 agglomeration Methods 0.000 description 13
- 230000008014 freezing Effects 0.000 description 13
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- WBHHMMIMDMUBKC-QJWNTBNXSA-N ricinoleic acid Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(O)=O WBHHMMIMDMUBKC-QJWNTBNXSA-N 0.000 description 10
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 238000004898 kneading Methods 0.000 description 9
- 150000002894 organic compounds Chemical class 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 230000000740 bleeding effect Effects 0.000 description 6
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000001132 ultrasonic dispersion Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 235000021314 Palmitic acid Nutrition 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- MEHUJCGAYMDLEL-CABCVRRESA-N (9r,10s)-9,10,16-trihydroxyhexadecanoic acid Chemical compound OCCCCCC[C@H](O)[C@H](O)CCCCCCCC(O)=O MEHUJCGAYMDLEL-CABCVRRESA-N 0.000 description 2
- 229940114072 12-hydroxystearic acid Drugs 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MEHUJCGAYMDLEL-UHFFFAOYSA-N Ethyl-triacetylaleuritat Natural products OCCCCCCC(O)C(O)CCCCCCCC(O)=O MEHUJCGAYMDLEL-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- -1 aliphatic amines Chemical class 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000001035 methylating effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
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- C09D11/00—Inks
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/0545—Dispersions or suspensions of nanosized particles
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
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- 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
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
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- C09D11/00—Inks
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- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
- B22F1/147—Making a dispersion
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- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/25—Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru
- B22F2301/255—Silver or gold
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- B22F2304/00—Physical aspects of the powder
- B22F2304/05—Submicron size particles
- B22F2304/058—Particle size above 300 nm up to 1 micrometer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
- Manufacturing Of Electric Cables (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Description
脂肪酸としてリシノール酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−109)を用意し、走査型電子顕微鏡(SEM)(日本電子工業株式会社製のJSM−6100)により倍率20,000倍で観察し、そのSEM画像上の無作為に抽出した500個以上の銀粒子について、画像解析ソフト(日本電子工業株式会社製のSmile View)により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.21μmであった。
脂肪酸としてリシノール酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−98)を用意し、実施例1と同様の方法により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.21μmであった。また、実施例1と同様の方法により、体積基準の累積分布を求めたところ、累積10%粒子径(D10)は0.18μm、累積50%粒子径(D50)は0.59μm、累積90%粒子径(D90)は1.22μm、累積100%粒子径(D100)は3.89μmであり、凝集度D50/DSEMは2.79であった。
脂肪酸としてオレイン酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−1C)を用意し、実施例1と同様の方法により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.26μmであった。また、実施例1と同様の方法により、体積基準の累積分布を求めたところ、累積10%粒子径(D10)は0.21μm、累積50%粒子径(D50)は0.58μm、累積90%粒子径(D90)は1.10μm、累積100%粒子径(D100)は3.27μmであり、凝集度D50/DSEMは2.23であった。
脂肪酸としてステアリン酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−8F)を用意し、実施例1と同様の方法により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.30μmであった。また、実施例1と同様の方法により、体積基準の累積分布を求めたところ、累積10%粒子径(D10)は0.29μm、累積50%粒子径(D50)は0.79μm、累積90%粒子径(D90)は1.35μm、累積100%粒子径(D100)は2.75μmであり、凝集度D50/DSEMは2.63であった。
実施例4と同様の銀粉120g(29.8質量%)と、分散剤(第一工業製薬株式会社製のプライサーフA212C)2.4g(0.6質量%)とを、溶媒としてのブチルカルビトール(BC)280g(69.6質量%)に添加して、銀粒子を分散させた銀粒子分散液を得た。
実施例4と同様の銀粉120g(29.8質量%)と、分散剤(第一工業製薬株式会社製のプライサーフA212C)2.4g(0.6質量%)とを、溶媒としてのブチルカルビトールアセテート(BCA)280g(69.6質量%)に添加して、銀粒子を分散させた銀粒子分散液を得た。
実施例3と同様の銀粉120g(29.8質量%)と、分散剤(第一工業製薬株式会社製のプライサーフA212C)2.4g(0.6質量%)とを、溶媒としての2−エチルヘキサノール280g(69.6質量%)に添加して、銀粒子を分散させた銀粒子分散液を得た。
脂肪酸としてパルミチン酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−133FHD)を用意し、実施例1と同様の方法により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.24μmであった。また、実施例1と同様の方法により、この銀粉の体積基準の累積分布を求めたところ、累積10%粒子径(D10)は0.19μm、累積50%粒子径(D50)は0.54μm、累積90%粒子径(D90)は1.12μm、累積100%粒子径(D100)は2.75μmであり、凝集度D50/DSEMは2.23であった。
脂肪酸としてオクタン酸が表面に付着した銀粉(DOWAエレクトロニクス株式会社製のAG2−108FHD)を用意し、実施例1と同様の方法により、銀粒子の(SEM像による)平均一次粒子径(DSEM)を算出したところ、0.23μmであった。また、実施例1と同様の方法により、この銀粉の体積基準の累積分布を求めたところ、累積10%粒子径(D10)は0.19μm、累積50%粒子径(D50)は0.52μm、累積90%粒子径(D90)は1.05μm、累積100%粒子径(D100)は2.31μmであり、凝集度D50/DSEMは2.26であった。
実施例1と同様の銀粉120g(29.8質量%)と、分散剤(第一工業製薬株式会社製のプライサーフA212C)2.4g(0.6質量%)とを、溶媒としてのイソプロピルアルコール(IPA)280g(69.6質量%)に添加して、銀粒子を分散させた銀粒子分散液を得た。
Claims (7)
- 表面に脂肪酸が付着した銀粉と溶媒とからなる銀粒子分散液において、銀粉の平均一次粒子径(DSEM)が0.15〜0.5μmであり且つ平均一次粒子径(DSEM)に対する体積基準の累積50%粒子径(D50)の比(D50/DSEM)が1.7〜3であり、溶媒の主成分が、炭素数6〜12の1価の高級アルコールであり、溶媒が粘度調整剤として炭素数5以下の低級アルコールまたはケトン類を含むことを特徴とする、銀粒子分散液。
- 前記溶媒が−80℃〜−20℃の温度で凍結する有機溶媒であることを特徴とする、請求項1に記載の銀粒子分散液。
- 前記炭素数6〜12の1価の高級アルコールがドデカノールであることを特徴とする、請求項1または2に記載の銀粒子分散液。
- 前記脂肪酸がヒドロキシル基を有する脂肪酸であることを特徴とする、請求項1乃至3のいずれかに記載の銀粒子分散液。
- 前記ヒドロキシル基を有する脂肪酸がリシノール酸であることを特徴とする、請求項4に記載の銀粒子分散液。
- 前記銀粒子分散液が分散剤を含むことを特徴とする、請求項1乃至5のいずれかに記載の銀粒子分散液。
- 前記銀粒子分散液中の前記銀粉の含有量が10〜45質量%であることを特徴とする、請求項1乃至6のいずれかに記載の銀粒子分散液。
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| KR102263618B1 (ko) * | 2019-03-29 | 2021-06-10 | 대주전자재료 주식회사 | 혼합 은 분말 및 이를 포함하는 도전성 페이스트 |
| JP7279516B2 (ja) * | 2019-05-29 | 2023-05-23 | 住友金属鉱山株式会社 | 無機粉末表面における界面活性剤吸着量の測定方法 |
| JP7388069B2 (ja) * | 2019-09-11 | 2023-11-29 | Toppanホールディングス株式会社 | メタリック塗液及び被塗工物 |
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| CN111276296B (zh) * | 2020-03-05 | 2021-08-31 | 南京理工大学 | 一种导电银浆复合烧结方法及装置 |
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