JPH02187472A - Method for forming coating film of electrically conductive paint - Google Patents
Method for forming coating film of electrically conductive paintInfo
- Publication number
- JPH02187472A JPH02187472A JP595889A JP595889A JPH02187472A JP H02187472 A JPH02187472 A JP H02187472A JP 595889 A JP595889 A JP 595889A JP 595889 A JP595889 A JP 595889A JP H02187472 A JPH02187472 A JP H02187472A
- Authority
- JP
- Japan
- Prior art keywords
- conductive paint
- metal powder
- coating film
- electrically conductive
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003973 paint Substances 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 22
- 230000005291 magnetic effect Effects 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 230000005298 paramagnetic effect Effects 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 229910052709 silver Inorganic materials 0.000 abstract description 4
- 239000004332 silver Substances 0.000 abstract description 4
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 229910052779 Neodymium Inorganic materials 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 239000011888 foil Substances 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 239000002964 rayon Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- UPGSWASWQBLSKZ-UHFFFAOYSA-N 2-hexoxyethanol Chemical compound CCCCCCOCCO UPGSWASWQBLSKZ-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 235000015047 pilsener Nutrition 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、良好な導電性を与える導電性塗料の塗膜形成
方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of forming a coating film of a conductive paint that provides good electrical conductivity.
〔従来技術]
銀、銅などの金属粉を含有する導電性塗料は、回路配線
板用の導体などとして注目されている。[Prior Art] Conductive paints containing metal powders such as silver and copper are attracting attention as conductors for circuit wiring boards.
かかる導電性塗料として、金属粉にフェノール引脂など
の熱硬化樹脂をバインダーとするペースト組成物がある
が、このペーストを加熱硬化させて得られる硬化物の導
電性は、その金属特有の導電性に較べてはるかに小さい
値しか示さないため、高い導電性を必要とする分野での
使用には問題がある。As such a conductive paint, there is a paste composition made of metal powder and a thermosetting resin such as phenol resin as a binder, but the conductivity of the cured product obtained by heating and curing this paste depends on the conductivity specific to the metal. Since it exhibits a much smaller value than , it is problematic to use in fields that require high conductivity.
そのような導電性を高くする方法としては、銀などの導
電性の高い金属粉を使用するか、または金属粉の含打率
を高くするといった方法があるが、いずれの方法でも導
電性塗料のコストが高くなるという問題点が残る。Methods to increase such conductivity include using highly conductive metal powder such as silver, or increasing the impregnation rate of metal powder, but either method reduces the cost of the conductive paint. The problem remains that the
このように、導電性塗料を単純に乾燥させることによっ
て、塗膜を形成するだけでは、高い導電性を有する塗膜
は得にくいため、本発明者らは、かかる課題を解決する
ことを目的とするものである。As described above, it is difficult to obtain a coating film with high conductivity by simply drying a conductive paint to form a coating film, so the present inventors set out to solve this problem. It is something to do.
〔課題を解決するための手段]
本発明は、常磁性の金属粉を含有する導電性塗料を被塗
物に塗布した後、その塗料を乾燥させる塗膜形成方法に
おいて、乾燥前に、あるいは、乾燥時に塗料に磁力を作
用させることを特徴としている。[Means for Solving the Problems] The present invention provides a coating film forming method in which a conductive paint containing paramagnetic metal powder is applied to an object to be coated and then dried. It is characterized by applying magnetic force to the paint when it dries.
本発明に用いられる金属粉とは、常磁性の金属粉50〜
100重量%と導電性の金属粉50〜0重量%からなる
。常磁性の金属粉とは、同時に導電性も必要とされる。The metal powder used in the present invention is paramagnetic metal powder 50~
It consists of 100% by weight and 50-0% by weight of conductive metal powder. Paramagnetic metal powder must also be electrically conductive.
たとえばニッケル、鉄、ネオジウムのような希土類単体
又はその配位化合物などが用いられ、と(に二ンケル単
体又はその配位化合物が望ましい。また導電性の金属粉
としては、金、銀、銅、アルミニウムなどが用いられる
。For example, rare earth elements such as nickel, iron, and neodymium or their coordination compounds are used, and nickel or their coordination compounds are preferably used.As conductive metal powders, gold, silver, copper, Aluminum etc. are used.
金属粉の平均粒径は、とくに限定されるものではないが
、1〜20pmの範囲のものを用いることが望ましい、
また、金属粉の形状としては、球状、樹枝状、りん片状
などがあり、とくに樹枝状、りん片状が望ましい。The average particle size of the metal powder is not particularly limited, but it is desirable to use one in the range of 1 to 20 pm.
Further, the shape of the metal powder includes spherical, dendritic, flaky, etc., and dendritic and flaky shapes are particularly desirable.
本発明の導電性塗料に用いられるバインダー成分として
は、フェノール樹脂、アクリル樹脂、エポキシ樹脂及び
ポリエステル樹脂などが挙げられる。Binder components used in the conductive paint of the present invention include phenol resins, acrylic resins, epoxy resins, and polyester resins.
このバインダー成分の配合割合は、バインダー成分10
0重量部に対して金属粉100〜900重量部の割合で
ある。この金属粉の配合割合量が、900重量部を越え
るときには、バインダーの絶対量が不足して得られる塗
料の流動性が悪くなり、磁力を作用させることによる導
電性向上の効果が得られない。逆に、100重量部未満
のときには、金属粉の絶対量が不足して良好な導電性は
得られない、好ましくは、200〜800重量部である
。The blending ratio of this binder component is 10
The ratio is 100 to 900 parts by weight of the metal powder to 0 parts by weight. When the blending ratio of the metal powder exceeds 900 parts by weight, the absolute amount of the binder is insufficient, resulting in poor fluidity of the resulting paint, and the effect of improving conductivity by applying magnetic force cannot be obtained. On the other hand, if the amount is less than 100 parts by weight, the absolute amount of metal powder is insufficient and good conductivity cannot be obtained.Preferably, the amount is 200 to 800 parts by weight.
本発明の導電性塗料は、必要に応じて減粘または印刷適
性のil1節のために有機溶剤を用いても良い、使用で
きる有機溶剤として代表的なものは、エチルセロソルブ
、ブチルセロソルブ、ヘキシルセロソルブ、セロソルブ
アセテート、エチルカルピトール、カルピトールアセテ
ートなどである。The conductive paint of the present invention may use an organic solvent to reduce viscosity or improve printability, if necessary. Typical organic solvents that can be used include ethyl cellosolve, butyl cellosolve, hexyl cellosolve, These include cellosolve acetate, ethyl carpitol, and carpitol acetate.
これらの溶剤をバインダー成分100重量部に対して0
〜500重量部の範囲で使用すればよい。0 of these solvents per 100 parts by weight of the binder component.
It may be used in a range of 500 parts by weight.
本発明に用いられる導電性塗料は、前記金属粉、バイン
ダー成分、溶剤を混合し、混練することにより容易に得
られる。場合によっては分散剤などの添加剤を加えても
良い。The conductive paint used in the present invention can be easily obtained by mixing and kneading the metal powder, binder component, and solvent. Depending on the case, additives such as a dispersant may be added.
本発明は、上述した導電性塗料を被塗物に塗布した後、
乾燥前あるいは乾燥時に磁力を作用させれば良い。磁力
を作用させる方法としては、たとえば磁石、電磁石など
を被塗物に当て磁力によって、金属粉を配向させれば良
い。In the present invention, after applying the above-mentioned conductive paint to an object to be coated,
Magnetic force may be applied before or during drying. As a method of applying magnetic force, for example, a magnet, an electromagnet, or the like may be applied to the object to be coated, and the metal powder may be oriented by the magnetic force.
ここで、乾燥とは、溶剤の揮散またはバインダーを3次
元化し硬化させることであり、両者が同時に起こること
もある。方法としては、30〜250℃の範囲で加熱す
るのが望ましいが、紫外線照射、電子線照射による3次
元化でも良い。Here, drying means volatilizing the solvent or making the binder three-dimensional and curing it, and both may occur at the same time. As a method, heating in the range of 30 to 250° C. is desirable, but three-dimensionalization by ultraviolet irradiation or electron beam irradiation may also be used.
また、ここで被塗物としてフェノール樹脂基板、ガラス
・エポキシ基板、ポリエステルフィルムなどがあるが、
こられに限定されるものではない。In addition, the objects to be coated include phenolic resin substrates, glass/epoxy substrates, polyester films, etc.
It is not limited to these.
つぎに本発明の実施例および比較例をあげて説明するが
、本発明はかかる実施例のみに限定されるものではない
。EXAMPLES Next, the present invention will be described with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
実施例1
アクリルポリマーLR−396(三菱レイヨン■aJ)
40重量部に、カルボニル−ニッケル粉287(福田金
属箔■製)60重量部を混合し、三本ロールで均一に混
練し、導電性塗料を得た。この塗料を厚さ1.6mmの
紙/フェノール基板上に湿潤状態でバーコーターで20
pmに塗布した。Example 1 Acrylic polymer LR-396 (Mitsubishi Rayon ■aJ)
60 parts by weight of carbonyl-nickel powder 287 (manufactured by Fukuda Metal Foil ■) was mixed with 40 parts by weight, and the mixture was uniformly kneaded using three rolls to obtain a conductive paint. Apply this paint to a 1.6 mm thick paper/phenol substrate in a wet state using a bar coater for 20 minutes.
It was applied to pm.
その直後ネオジウム系の磁石12,000ガウスを基板
の背面からN極と5pilを基板に平行にして当てなが
ら、一定方向に移動させた。この移動操作を10回繰り
返した直後に、50°Cで24時間乾燥させた。Immediately after that, a 12,000 gauss neodymium magnet was applied from the back side of the substrate with its N pole and 5 pils parallel to the substrate, and the magnet was moved in a fixed direction. Immediately after repeating this moving operation 10 times, it was dried at 50°C for 24 hours.
得られた塗膜の導電性を調べたところ、体積固有抵抗率
は8X10−’Ω・Camであった。When the conductivity of the obtained coating film was examined, the specific volume resistivity was 8×10 −′Ω·Cam.
実施例2
実施例1の導電性塗料を厚さ1.6mmの紙/フェノー
ル基板上に湿潤状態でバーコーク−で20μmの厚みに
塗布した。そして、ネオジウム系磁石11,200ガウ
スを基板の背面に当てたまま50℃で24時間乾燥させ
た。Example 2 The conductive paint of Example 1 was coated in a wet state with bar caulk to a thickness of 20 μm on a 1.6 mm thick paper/phenol substrate. Then, the substrate was dried at 50° C. for 24 hours with a neodymium magnet of 11,200 Gauss applied to the back surface of the substrate.
得られた塗膜の導電性を調べたところ、体積固有抵抗率
は、4 X 10−’Ω・cmであった。When the conductivity of the obtained coating film was examined, the specific volume resistivity was found to be 4 x 10-'Ω·cm.
比較例1
実施例1の導電性塗料を厚さ1. 6m*の祇/フェノ
ール基板上にI?I’J状態でバーコーターで20μm
の厚みに塗布した。そして50゛Cで24時間乾燥させ
た。Comparative Example 1 The conductive paint of Example 1 was applied to a thickness of 1. I? 20μm with bar coater in I'J state
It was applied to a thickness of . It was then dried at 50°C for 24 hours.
得られた塗膜の導電性を調べたところ、体積固有抵抗率
は2X10−”Ω・CIであった。When the electrical conductivity of the obtained coating film was examined, the specific volume resistivity was 2×10-”Ω·CI.
実施例3
アクリルポリマーLR−396(三菱レイヨン■製)4
0重量部に、カルボニル−ニッケル粉287(福田金属
箔■製)30重量部、電解銅粉FCC−115A (福
田金属箔■製)30重量部を混合し、三本ロールで均一
に混練し、導電性塗料を得た。この塗料を厚さ1.6o
sの紙/フェノール基板上に湿潤状態でガラス棒で50
μmに塗布した。その直後、実施例1と同様に磁力を作
用させた後、50℃で24時間乾燥させた。Example 3 Acrylic polymer LR-396 (manufactured by Mitsubishi Rayon ■) 4
0 parts by weight, 30 parts by weight of carbonyl-nickel powder 287 (manufactured by Fukuda Metal Foil ■) and 30 parts by weight of electrolytic copper powder FCC-115A (manufactured by Fukuda Metal Foil ■) were mixed, and the mixture was uniformly kneaded with three rolls. A conductive paint was obtained. Apply this paint to a thickness of 1.6o
50 s with a glass rod in a wet state on a paper/phenolic substrate.
It was applied to μm. Immediately thereafter, a magnetic force was applied in the same manner as in Example 1, followed by drying at 50° C. for 24 hours.
得られた塗膜の導電性を調べたところ、体積固有抵抗率
は9X10−’Ω・1であった。When the conductivity of the obtained coating film was examined, the specific volume resistivity was found to be 9×10-'Ω·1.
比較例3
アクリルポリマーLR−396(三菱レイヨン■製)4
0重量部に、カルボニル−ニッケル粉287(福田金属
箔■製)10重量部、電解銅わ)FCC−115A (
福田金属箔■製)50重量部を混合し、三本ロールで均
一に混練し、導電性塗料を得た。この塗料を厚さ1.
6ma+の紙/フェノール基板上に湿潤状態でガラス棒
で50μmに塗布した。その直後、実施例1と同様に磁
力を作用させた後、50°Cで24時間乾燥させた。Comparative example 3 Acrylic polymer LR-396 (manufactured by Mitsubishi Rayon ■) 4
0 parts by weight, 10 parts by weight of carbonyl-nickel powder 287 (manufactured by Fukuda Metal Foil), electrolytic copper) FCC-115A (
(manufactured by Fukuda Metal Foil ■) were mixed and kneaded uniformly with three rolls to obtain a conductive paint. Apply this paint to a thickness of 1.
It was coated wet with a glass rod to 50 μm onto a 6ma+ paper/phenol substrate. Immediately after that, a magnetic force was applied in the same manner as in Example 1, and then it was dried at 50°C for 24 hours.
得られた塗膜の導電性を調べたところ、体積固有抵抗率
は、9X10−’Ω・1であった。When the conductivity of the obtained coating film was examined, the specific volume resistivity was found to be 9×10-'Ω·1.
以上の結果から、常磁性の金属粉を含有する導電性塗料
を乾燥前にあるいは乾燥時に磁力を作用させることによ
り、良好な導電性の塗膜が得られることがわかる。The above results show that a coating film with good conductivity can be obtained by applying magnetic force to a conductive paint containing paramagnetic metal powder before or during drying.
Claims (1)
た後、その塗料を乾燥させる塗膜形成方法において、乾
燥前に、あるいは乾燥時に塗料に磁力を作用させること
を特徴とする、導電性塗料の塗膜形成方法。A coating film forming method in which a conductive paint containing paramagnetic metal powder is applied to an object to be coated and then dried, characterized by applying magnetic force to the paint before or during drying. Method for forming a film of conductive paint.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP595889A JPH02187472A (en) | 1989-01-17 | 1989-01-17 | Method for forming coating film of electrically conductive paint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP595889A JPH02187472A (en) | 1989-01-17 | 1989-01-17 | Method for forming coating film of electrically conductive paint |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02187472A true JPH02187472A (en) | 1990-07-23 |
Family
ID=11625401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP595889A Pending JPH02187472A (en) | 1989-01-17 | 1989-01-17 | Method for forming coating film of electrically conductive paint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02187472A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0655138A (en) * | 1991-04-22 | 1994-03-01 | Million Paint Kk | Conductive coating layer |
JP2007116159A (en) * | 2005-10-17 | 2007-05-10 | Samsung Electro-Mechanics Co Ltd | Wiring forming method and apparatus |
-
1989
- 1989-01-17 JP JP595889A patent/JPH02187472A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0655138A (en) * | 1991-04-22 | 1994-03-01 | Million Paint Kk | Conductive coating layer |
JP2007116159A (en) * | 2005-10-17 | 2007-05-10 | Samsung Electro-Mechanics Co Ltd | Wiring forming method and apparatus |
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