JPH036301A - Coloring alloy powder for paint and manufacture thereof - Google Patents
Coloring alloy powder for paint and manufacture thereofInfo
- Publication number
- JPH036301A JPH036301A JP1140998A JP14099889A JPH036301A JP H036301 A JPH036301 A JP H036301A JP 1140998 A JP1140998 A JP 1140998A JP 14099889 A JP14099889 A JP 14099889A JP H036301 A JPH036301 A JP H036301A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- alloy powder
- thickness
- ratio
- axis
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 48
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 31
- 239000000956 alloy Substances 0.000 title claims abstract description 31
- 239000003973 paint Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000004040 coloring Methods 0.000 title abstract description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 13
- 239000000203 mixture Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000003086 colorant Substances 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract 1
- 230000001268 conjugating effect Effects 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000002932 luster Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は塗料用着色合金粉末およびその製造法に関する
。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a colored alloy powder for paints and a method for producing the same.
（従来の技術）
従来、塗料用の着色顔料には無機顔料および有機顔料が
あるが、無機顔料はカバーできる色域が狭く、鉛、クロ
ム、およびカドミウムなどの重金属を含む顔料は環境保
全の観点から今後使用が規制される可能性がある。一方
有機顔料は高価である。また、これらの顔料には金属が
持っている光沢がない。(Prior art) Conventionally, coloring pigments for paints include inorganic pigments and organic pigments, but inorganic pigments can cover a narrow color gamut, and pigments containing heavy metals such as lead, chromium, and cadmium are considered environmentally friendly. Its use may be regulated in the future. On the other hand, organic pigments are expensive. Also, these pigments lack the luster that metals have.
（発明が解決しようとする課題）
本発明は、上記従来技術の問題点に鑑みてなされたもの
であり、その目的は金属光沢を持ちしかも種々の色彩を
持つ塗料用着色合金粉末およびその製造方法を提供する
ことにある。(Problems to be Solved by the Invention) The present invention has been made in view of the problems of the prior art described above, and its purpose is to provide a colored alloy powder for paints that has metallic luster and various colors, and a method for producing the same. Our goal is to provide the following.
（課題を解決するための手段）
本発明による塗料用着色合金粉末は、一般式Ｃｕ １０
０−ａ−１，Ｎ ｉ ａ Ｐ ｂ （ただし、ａ、ｂ
は原子％で５≦ａ≦４０．１５≦ｂ≦２０である。）で
示される組成を有し、非晶質相からなり、厚さ５μｍ以
下、アスペクト比（厚さに対する長径の比、以下同じ）
５以上、短径および長径５−５００μｍの形状を有する
粉末である。(Means for Solving the Problems) The colored alloy powder for paint according to the present invention has the general formula Cu 10
0-a-1, N i a P b (However, a, b
is 5≦a≦40.15≦b≦20 in atomic %. ), consists of an amorphous phase, has a thickness of 5 μm or less, and has an aspect ratio (ratio of major axis to thickness; the same applies hereinafter).
It is a powder having a shape of 5 to 500 μm or more and a short axis and a long axis of 5 to 500 μm.
また、本発明による塗料用着色合金粉末の製造方法は、
上記した組成、厚さ、アスペクト比、短径および長径を
有する非晶質合金粉末を７０−３００ ’Ｃで熱処理す
ることにより着色させることを特徴とする方法である。Furthermore, the method for producing colored alloy powder for paint according to the present invention includes:
This method is characterized by coloring an amorphous alloy powder having the above-described composition, thickness, aspect ratio, minor axis, and major axis by heat treating it at 70-300'C.
（作用）
本発明者らは、より優れた塗料用着色合金粉末を得るた
め種々の組成および熱処理からなる粉末についてその着
色具合および光沢を検討した。(Function) In order to obtain better colored alloy powders for paints, the present inventors investigated the degree of coloring and gloss of powders having various compositions and heat treatments.
その結果上記組成を有する合金の溶湯な急冷凝固して作
った非晶質相からなる合金粉末は種々の色彩を示すこと
がわかった。この粉末は非晶質単相であるため粉末の表
面が平滑なことと、粉末が溶湯から直接急冷凝固して作
られるため、表面光沢にも優れていることがわかった。As a result, it was found that alloy powder consisting of an amorphous phase produced by rapidly solidifying a molten alloy having the above composition exhibits various colors. It was found that this powder has a smooth surface because it is an amorphous single phase, and that it has excellent surface gloss because it is made by rapidly solidifying the powder directly from a molten metal.
また、上記組成の非晶質相からなる合金粉末を熱処理す
ると金属光沢を保有する塗料用着色合金粉末が得られる
ことがわかった。It has also been found that when an alloy powder consisting of an amorphous phase having the above composition is heat-treated, a colored alloy powder for paints having metallic luster can be obtained.
合金の組成については、種々検討した結果Ｎｉ量が５原
子％未満、４０原子％を超えるものまたはＰが１５原子
％未満、２０原子％を超えるものは非晶質単相を得るこ
とができないことが分かった。As for the composition of the alloy, as a result of various studies, it was found that an amorphous single phase cannot be obtained when the Ni content is less than 5 at % and exceeds 40 at %, or when the P content is less than 15 at % and more than 20 at %. I understand.
また、粉末の形状についても、厚さ、アスペクト比、短
径および長径寸法について種々検討した結果、塗膜状態
を良好に維持しつつ、リーフィング現象を効果的に起こ
させて光沢を高めるためには上記範囲とする必要である
ことがわかった。In addition, as for the shape of the powder, we conducted various studies on the thickness, aspect ratio, minor axis, and major axis dimensions, and found that in order to effectively cause the leafing phenomenon and increase gloss while maintaining a good coating condition. It was found that it was necessary to keep it within the above range.
すなわち厚さが５μｍをこえると塗膜の平滑度が悪（な
る。また、短径が５μｍ以下では粉末相互の重なりが不
均一となり、長径が５００ＩＬｍを超えると塗膜の強度
が劣化する。さらにアスペクト比が５未満だとリーフィ
ング現象が起こりにくくなる。In other words, if the thickness exceeds 5 μm, the smoothness of the coating film becomes poor. Also, if the minor axis is less than 5 μm, the powders overlap unevenly, and if the major axis exceeds 500 ILm, the strength of the coating film deteriorates. If the aspect ratio is less than 5, the leafing phenomenon is less likely to occur.
また熱処理条件についても温度、時間について種々検討
した結果７０℃未満では着色せず、方３００℃を超える
と結晶化を起こし粉末の凝集および表面光沢がなくなる
。ことが分かった。Regarding the heat treatment conditions, various studies regarding temperature and time revealed that no coloration occurs at temperatures below 70°C, while crystallization occurs at temperatures above 300°C, causing agglomeration of the powder and loss of surface gloss. That's what I found out.
本発明の塗料用着色合金粉末の好ましい製造法としては
、前述した組成を有する合金の溶湯をノズルから流出さ
せ、この溶湯にガスを噴霧することによって溶湯の液滴
流方向に配置された傘型の回転冷却体の表面に、前記液
滴を凝固しないうちに衝突させ急冷凝固させる方法が挙
げられる。A preferred method for producing the colored alloy powder for paints of the present invention is to flow out a molten alloy having the composition described above from a nozzle, and spray gas onto the molten metal, thereby forming umbrella-shaped droplets arranged in the flow direction of the molten metal. An example of this method is to cause the droplets to collide with the surface of a rotary cooling body before solidifying, and to rapidly solidify the droplets.
そして、必要に応じて、得られた粉末から前述した形状
特性を有するものを分取すればよい。この方法によれば
、前述した形状特性を有する合金粉末を９０％以上の収
率で製造することができる。Then, if necessary, a powder having the above-described shape characteristics may be fractionated from the obtained powder. According to this method, alloy powder having the above-described shape characteristics can be produced at a yield of 90% or more.
以下、実施例により本発明をさらに詳しく説明する。Hereinafter, the present invention will be explained in more detail with reference to Examples.
（実施例）
第１図には、本発明の合金粉末を製造するための装置の
一例が示されている。すなわち、図示しないルツボにて
溶融された合金の溶湯１を流出するノズル２が設置され
ており、落下する溶湯１に対して高圧の噴射ガスを吹き
付ける噴霧化ノズル３が設置されている。噴霧化ノズル
３はノズル２を囲むように例えば円形に配置され、多数
の噴出口から溶湯１の流れに向けて高速ガスを噴出する
構造となっている。ノズル２の下方には、傘型の回転冷
却体４がその回転軸をノズル２の直下からやや横方向に
ずらして配置されている。したがって、ノズル２から流
出し落下する溶湯１の流れに対して、噴霧化ノズル３か
ら高圧の噴出ガスが吹き付けられ、これによって溶湯１
の液滴５が形成される。この液滴５は、下方に向けて広
がりながら飛散し、回転冷却体４の円錐面に衝突し急冷
凝固し、扁平化されたフレーク状の合金粉末６が形成さ
れる。(Example) FIG. 1 shows an example of an apparatus for producing the alloy powder of the present invention. That is, a nozzle 2 is installed to flow out the molten metal 1 of the alloy melted in a crucible (not shown), and an atomization nozzle 3 is installed to spray high-pressure jet gas onto the falling molten metal 1. The atomizing nozzle 3 is arranged, for example, in a circular shape so as to surround the nozzle 2, and has a structure in which high-speed gas is ejected toward the flow of the molten metal 1 from a large number of ejection ports. Below the nozzle 2, an umbrella-shaped rotary cooling body 4 is arranged with its rotational axis slightly shifted laterally from directly below the nozzle 2. Therefore, high-pressure jet gas is blown from the atomization nozzle 3 against the flow of the molten metal 1 flowing out from the nozzle 2 and falling, thereby causing the molten metal 1 to
droplets 5 are formed. The droplets 5 scatter while spreading downward, collide with the conical surface of the rotary cooling body 4, and are rapidly solidified to form flattened flake-shaped alloy powder 6.
なお、噴霧化ノズル３からの噴射ガス圧は、好ましくは
３０ｋｇ／ｃｍ２以上とされる。また、噴射ガスとして
は、例えばアルゴン、ヘリウム、窒素、空気、あるいは
混合ガスなど各種のものが使用可能である。さらに、回
転冷却体４は、例えば水冷などの手段によって５０℃以
下に冷却され、回転数は１１０００−２０００Ｏｒｐと
されることが好ましい。Note that the pressure of the gas injected from the atomization nozzle 3 is preferably 30 kg/cm 2 or more. Moreover, various gases such as argon, helium, nitrogen, air, or a mixed gas can be used as the injection gas. Further, it is preferable that the rotary cooling body 4 is cooled to 50° C. or lower by means such as water cooling, and the rotational speed is 11,000 to 2,000 Orp.
以下、実験例よりさらに説明を行う。Further explanation will be given below using experimental examples.
（１）合金粉末の作製
第１図に示した装置を用い、第１表（後に記載する）に
おける資料Ｎｏ、１〜１０の組成の合金をそれぞれルツ
ボに入れ、１０００℃で溶融させて溶湯１とした。(1) Preparation of alloy powder Using the apparatus shown in Fig. 1, alloys having the composition Nos. 1 to 10 in Table 1 (described later) were placed in a crucible and melted at 1000°C. And so.
この溶湯１をノズル２から流出滴下する溶湯１に対して
噴霧化ノズル３よりアルゴンガスを１００ｋｇ／ｃｍ”
の圧力で吹き付けて液滴５を形成し、この液滴５を凝固
しないうちにロール径２００ｍｍφ、円錐角度９０６、
回転数７２００ｒｐｍの回転冷却体に衝突させ、木の葉
形のフレーク状粉末６を得た。This molten metal 1 flows out from the nozzle 2 and drips, and argon gas is applied to the molten metal 1 from the atomization nozzle 3 at a rate of 100 kg/cm.
The droplets 5 are formed by spraying at a pressure of
It was made to collide with a rotating cooling body at a rotation speed of 7200 rpm to obtain leaf-shaped flaky powder 6.
上記方法で得られたそれぞれの組成の合金粉末を分級し
、第３表に示すような形状特性を有するものを分取した
。なお、本発明の厚さ５μｍ以下、短径および長径５−
５００μｍ、アスペクト比５以上である粉末の収率は、
いずれも９０％を超えていた。The alloy powders of each composition obtained by the above method were classified, and those having the shape characteristics shown in Table 3 were separated. In addition, the thickness of the present invention is 5 μm or less, the short axis and the long axis 5-
The yield of powder with a diameter of 500 μm and an aspect ratio of 5 or more is:
Both were over 90%.
また、試料Ｎ００２の合金を用いて得られた粉末につい
ては、厚さ１μｍ、アスペクト比５以上、短径および長
径５０−５００μｍのもの（試料Ｎｏ、２−１）と、厚
さ３μｍ、アスペクト比５未満、短径および長径５−１
０μｍの（試料Ｎｏ、２−２）と、厚さＩＩＬｍ、アス
ペクト比５００以上、短径および長径５００μｍを超え
る粉末（試料Ｎｏ、２−３）と、厚さ１０μｍ、アスペ
クト比５以上、短径および長径５０−５００μｍの粉末
（試料Ｎｏ、２−４）とをそれぞれ調製した。In addition, regarding the powder obtained using the alloy of sample N002, there is one with a thickness of 1 μm, an aspect ratio of 5 or more, and a short axis and a long axis of 50-500 μm (sample No. 2-1), and a powder with a thickness of 3 μm and an aspect ratio of 50-500 μm. Less than 5, short axis and long axis 5-1
0 μm (Sample No. 2-2), powder (Sample No. 2-3) with a thickness of IILm, an aspect ratio of 500 or more, a short axis and a long axis of over 500 μm, and a powder with a thickness of 10 μm, an aspect ratio of 5 or more, and a short axis. and a powder (sample No. 2-4) having a major axis of 50 to 500 μm were prepared.
（２）粉末の熱処理
上記試料Ｎｏ、２の合金を用いて得られた粉末について
は、後に示す第２表に示すように各温度、各時間の熱処
理を大気中で行い色彩の変化を観察した。(2) Heat treatment of powder The powder obtained using the alloy of sample No. 2 above was heat treated in the air at various temperatures and times as shown in Table 2 below, and changes in color were observed. .
（３）塗料の調製
樹脂バインダとしてアクリル樹脂８５ｖｏ１％、上記で
得られたそれぞれの着色粉末１５ｖ。(3) Preparation of paint 85vol 1% of acrylic resin as resin binder and 15vol of each of the colored powders obtained above.
１％を混合して塗料を作成した。A paint was prepared by mixing 1%.
（４）塗膜性能の評価
厚さ３ｍｍ、幅２０ｍｍ、長さ５０ ｍ ｍの５Ｓ４１
鋼板を用意し、サンドブラスト処理した後、トリクレン
中で超音波洗浄し、上記で調製したそれぞれの塗料を塗
膜の厚さが１１００ＬＬ前後になるように刷毛塗り塗装
した。乾燥後、塗膜状態を観察すると共に光沢も観察し
た。この結果を後に示す第３表に示す。(4) Evaluation of coating film performance 5S41 with thickness 3 mm, width 20 mm, and length 50 mm
A steel plate was prepared, sandblasted, and then ultrasonically cleaned in Triclean, and each of the paints prepared above was applied with a brush to a thickness of about 1100 LL. After drying, the state of the coating film was observed and the gloss was also observed. The results are shown in Table 3 below.
第１表〜第３表から、非晶質相からなる合金粉末を熱処
理した試料Ｎｏ、１．２−１．２−２．２−３．２−４
．２−５．２−６．２−７゜２−８．２−９．２−１０
．２−１１．２−１２．２−１３．２−１４．２−１７
．３，４゜５．８．１０は着色することがわかる。しか
し、塗膜状態や光沢を評価すると、厚さ５μ以下、短径
および長径５−５００μｍ、アスペクト比５以上、熱処
理温度７０−３００℃の範囲とされた粉末を含有する試
料Ｎｏ、１．２−１．２−５．２−６．２−７．２−８
．２−９．２−１０．２−１１．２−１２．２−１３．
２−１４．２−１７．３，４，５．１０が特に好ましい
ことがわかる。From Tables 1 to 3, sample No. 1.2-1.2-2.2-3.2-4 heat-treated alloy powder consisting of amorphous phase.
．． 2-5.2-6.2-7゜2-8.2-9.2-10
．． 2-11.2-12.2-13.2-14.2-17
．． It can be seen that 3,4°5.8.10 is colored. However, when evaluating the coating state and gloss, Sample No. 1.2 contained powder with a thickness of 5 μm or less, a short axis and a long axis of 5-500 μm, an aspect ratio of 5 or more, and a heat treatment temperature range of 70-300°C. -1.2-5.2-6.2-7.2-8
．． 2-9.2-10.2-11.2-12.2-13.
It can be seen that 2-14.2-17.3, 4, and 5.10 are particularly preferred.
（以下余白）
（発明の効果）
以上説明したように、本発明による塗料用着色合金粉末
は、特定の組成を有し、非晶質相からなるものを特定温
度で熱処理することによって得られる。また、特定の形
状特性を有するので、塗膜の状態を良好に維持しつつ、
リーフィング現象を効果的におこさせることができる。(The following is a blank space) (Effects of the Invention) As explained above, the colored alloy powder for paint according to the present invention has a specific composition and is obtained by heat-treating an amorphous phase at a specific temperature. In addition, because it has specific shape characteristics, it maintains the condition of the coating film well.
Leafing phenomenon can be effectively caused.
また粉末表面が平滑なため光沢や光反射性にもすぐれて
おり、意匠塗料用顔料が平滑なため光沢や光反射性にも
優れている。In addition, because the powder surface is smooth, it has excellent gloss and light reflection properties, and because the pigment for decorative paints is smooth, it also has excellent gloss and light reflection properties.
第１図は本発明の合金粉末を製造するための装置の一例
を示す概略断面図である。
図中、１は溶湯、２はノズル、３は噴霧化ノズル、４は
回転冷却体、５は液滴、６はフレーク状の合金粉末であ
る。FIG. 1 is a schematic cross-sectional view showing an example of an apparatus for producing the alloy powder of the present invention. In the figure, 1 is a molten metal, 2 is a nozzle, 3 is an atomizing nozzle, 4 is a rotary cooling body, 5 is a droplet, and 6 is a flaky alloy powder.
Claims (2)
Ｐ＿ｂ（ただし、ａ、ｂは原子％で５≦ａ≦４０、１５
≦ｂ≦２０である。）で示されるされる組成を有し、非
晶質相からなり、厚さ５μｍ以下、アスペクト比（厚さ
に対する長径の比）５以上、短径および長径の比）５以
上、短径および長径５−５００μｍの形状を有すること
を特徴とすると塗料用着色合金粉末。1. General formula Cu_1_0_0_-_a_-_bNi_a
P_b (where a and b are 5≦a≦40, 15 in atomic %)
≦b≦20. ), consists of an amorphous phase, has a thickness of 5 μm or less, an aspect ratio (ratio of major axis to thickness) of 5 or more, a ratio of short axis to major axis) of 5 or more, minor axis and major axis A colored alloy powder for paint, characterized in that it has a shape of 5-500 μm.
Ｐ＿ｂ（ただし、ａ、ｂは原子％で５≦ａ≦４０、１５
≦ｂ≦２０である。）で示されるされる組成を有し、非
晶質相からなり、厚さ５μｍ以下、アスペクト比（厚さ
に対する長径の比）５以上、短径および長径の比）５以
上、短径および長径５−５００μｍの形状を有する粉末
を７０−３００℃で熱処理することを特徴とする塗料用
着色合金金粉末の製造法。2. General formula Cu_1_0_0_-_a_-_bNi_a
P_b (where a and b are 5≦a≦40, 15 in atomic %)
≦b≦20. ), consists of an amorphous phase, has a thickness of 5 μm or less, an aspect ratio (ratio of major axis to thickness) of 5 or more, a ratio of short axis to major axis) of 5 or more, minor axis and major axis A method for producing colored alloy gold powder for paints, which comprises heat-treating powder having a shape of 5-500 μm at 70-300°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1140998A JP2534354B2 (en) | 1989-06-05 | 1989-06-05 | Colored alloy powder for paint and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1140998A JP2534354B2 (en) | 1989-06-05 | 1989-06-05 | Colored alloy powder for paint and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036301A true JPH036301A (en) | 1991-01-11 |
| JP2534354B2 JP2534354B2 (en) | 1996-09-11 |
Family
ID=15281785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1140998A Expired - Fee Related JP2534354B2 (en) | 1989-06-05 | 1989-06-05 | Colored alloy powder for paint and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534354B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139067A (en) * | 1988-12-29 | 1992-08-18 | Bridgestone Corporation | Tire wheel |
| CN105798812A (en) * | 2016-05-30 | 2016-07-27 | 苏州赛腾精密电子股份有限公司 | Pressing mechanism |
-
1989
- 1989-06-05 JP JP1140998A patent/JP2534354B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139067A (en) * | 1988-12-29 | 1992-08-18 | Bridgestone Corporation | Tire wheel |
| CN105798812A (en) * | 2016-05-30 | 2016-07-27 | 苏州赛腾精密电子股份有限公司 | Pressing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534354B2 (en) | 1996-09-11 |
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