JP2001029767A - Preparation of resin for dispersing coloring agent - Google Patents
Preparation of resin for dispersing coloring agentInfo
- Publication number
- JP2001029767A JP2001029767A JP11210044A JP21004499A JP2001029767A JP 2001029767 A JP2001029767 A JP 2001029767A JP 11210044 A JP11210044 A JP 11210044A JP 21004499 A JP21004499 A JP 21004499A JP 2001029767 A JP2001029767 A JP 2001029767A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- colorant
- coloring agent
- dispersed
- mixture
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は黒色等に着色した封
止剤用の樹脂組成物の構成材料として用いられる着色剤
分散樹脂の製造方法に関し、具体的には、樹脂中に着色
剤を分散させる方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a colorant-dispersed resin used as a constituent material of a resin composition for a sealant colored black or the like, and more specifically, to a method of dispersing a colorant in a resin. It is about the method of making it.
【０００２】[0002]
【従来の技術】半導体素子を物理的、化学的に保護し、
且つ、固着する封止材料として、黒色に着色したエポキ
シ樹脂組成物が知られている。上記エポキシ樹脂組成物
は、エポキシ樹脂、充填剤、硬化促進剤、及び、着色剤
等を構成材料として配合し、混練して作製される。この
着色剤を使用する際、エポキシ樹脂の一部と着色剤を混
合した着色剤分散樹脂を予め作製し、この着色剤分散樹
脂を他の構成材料と混合している。上記黒色の着色剤と
しては、カ−ボンブラックが汎用されており、例えば、
この着色剤分散樹脂は、エポキシ樹脂とカ−ボンブラッ
クを低速混合機に投入し、門型の攪拌羽を回転数が公転
１６〜６２ＲＰＭ、自転２９〜１１２ＲＰＭの条件で攪
拌することにより作製している。2. Description of the Related Art A semiconductor device is physically and chemically protected,
Further, as a sealing material to be fixed, an epoxy resin composition colored in black is known. The epoxy resin composition is prepared by mixing and kneading an epoxy resin, a filler, a curing accelerator, a coloring agent, and the like as constituent materials. When this colorant is used, a colorant-dispersed resin in which a part of the epoxy resin is mixed with the colorant is prepared in advance, and this colorant-dispersed resin is mixed with other constituent materials. As the black colorant, carbon black is widely used, for example,
This colorant-dispersed resin is prepared by charging an epoxy resin and carbon black into a low-speed mixer, and stirring the portal-type stirring blade at a rotation speed of 16 to 62 RPM and a rotation speed of 29 to 112 RPM. I have.
【０００３】[0003]
【発明が解決しようとする課題】しかし、カ−ボンブラ
ックは、１次粒子は０．０１μｍ程度の微粒子である
が、凝集し易く１００μｍ以上の粒子の集合体として上
記着色剤分散樹脂中に分散し易い。そのため、上記低速
混合機での攪拌では、２０μｍ以下の集合体に破壊、分
散することが困難であった。一方、近年の高密度回路形
成の高まりにより、導電性の着色剤の分散に対しては、
より微粒子の状態で分散されることが求められている。However, the primary particles of carbon black are fine particles having a particle size of about 0.01 μm, but are easily aggregated and dispersed in the colorant-dispersed resin as an aggregate of particles having a particle size of 100 μm or more. Easy to do. For this reason, it was difficult to break and disperse into an aggregate of 20 μm or less by stirring with the above low-speed mixer. On the other hand, due to the recent increase in high-density circuit formation, the dispersion of conductive colorants
It is required that the particles be dispersed in a state of fine particles.
【０００４】本発明は上記の事情に鑑みてなされたもの
で、その目的とするところは、カ−ボンブラック等の着
色剤を、２０μｍ以下の微粒子化した状態で分散させる
ことのできる着色剤分散樹脂の製造方法を提供すること
にある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a colorant dispersion capable of dispersing a colorant such as carbon black in the form of fine particles of 20 μm or less. An object of the present invention is to provide a method for producing a resin.
【０００５】[0005]
【課題を解決するための手段】請求項１記載の発明は、
封止剤用の樹脂組成物の構成材料として用いられる着色
剤分散樹脂の製造方法であって、樹脂と着色剤を混合
し、この混合物に振動体から発する超音波振動を付与
し、凝集した着色剤を微粒子化させて、樹脂中に分散さ
せることを特徴とする。上記によって、混合物に超音波
振動体から発する超音波振動を付与すると、着色剤が瞬
間的に破砕され微粒子にすることができる。According to the first aspect of the present invention,
A method for producing a colorant-dispersed resin used as a constituent material of a resin composition for a sealant, in which a resin and a colorant are mixed, and the mixture is subjected to ultrasonic vibration emitted from a vibrator to form a colored pigment. It is characterized in that the agent is finely divided and dispersed in a resin. As described above, when the ultrasonic vibration generated from the ultrasonic vibrator is applied to the mixture, the colorant can be instantaneously crushed to fine particles.
【０００６】請求項２記載の発明は、請求項１記載の発
明において、上記樹脂と着色剤の混合物を貯蔵タンクに
貯蔵し、この混合物を貯蔵タンクより分散機に投入し、
この分散機内で超音波振動を付与した後に、着色剤分散
樹脂の一部を製品ラインヘ移送し、残りを貯蔵タンクと
循環させることを特徴とする。上記によって、貯蔵タン
クと循環するため、循環毎に分散機内で超音波振動が繰
り返し付与されることになるので、着色剤をより微細に
破壊することができる。According to a second aspect of the present invention, in the first aspect of the present invention, the mixture of the resin and the colorant is stored in a storage tank, and the mixture is charged into the disperser from the storage tank.
After applying ultrasonic vibration in the dispersing machine, a part of the colorant-dispersed resin is transferred to a product line, and the rest is circulated to a storage tank. As described above, since the ink is circulated with the storage tank, the ultrasonic vibration is repeatedly applied in the disperser every circulation, so that the colorant can be more finely broken.
【０００７】請求項３記載の発明は、請求項１記載の発
明において、上記樹脂と着色剤の混合物を貯蔵タンクに
貯蔵し、この混合物を貯蔵タンクより製品ラインへ移送
する配管中に、複数の分散機で超音波振動を繰り返し付
与しながら、着色剤を分散することを特徴とする。上記
によって、着色剤は複数の分散機で超音波振動が付与さ
れるので、より微細に破壊することができる。According to a third aspect of the present invention, in the first aspect of the present invention, a mixture of the resin and the colorant is stored in a storage tank, and a plurality of pipes for transferring the mixture from the storage tank to a product line are provided. The method is characterized in that the colorant is dispersed while repeatedly applying ultrasonic vibration with a disperser. As described above, since the colorant is subjected to ultrasonic vibration by a plurality of dispersers, it can be more finely broken.
【０００８】請求項４記載の発明は、請求項１乃至請求
項３いずれか記載の発明において、上記樹脂がエポキシ
樹脂であり、上記着色剤がカ−ボンブラックであること
を特徴とする。上記によって、カ−ボンブラックを微細
な粒子の状態でエポキシ樹脂中に分散することができ
る。According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, the resin is an epoxy resin, and the colorant is carbon black. As described above, carbon black can be dispersed in the epoxy resin in a state of fine particles.
【０００９】[0009]
【発明の実施の形態】本発明の着色剤分散樹脂が利用さ
れるのは、黒色等に着色した封止剤用の樹脂組成物であ
る。上記樹脂組成物は、エポキシ樹脂等の樹脂、各種の
シリカ等の充填剤、酸無水物等の硬化剤、アミン系等の
硬化促進剤、ゲル状のシリコン等の改質剤、及び、着色
剤等を構成材料として配合し、混練して作製されるもの
である。上記着色剤としては、カ−ボンブラック等が挙
げられる。上記着色剤の配合に際しては、樹脂組成物中
に微量の着色剤を配合するし易さから、予め樹脂の一部
と着色剤を混合した着色剤分散樹脂を作製し、この着色
剤分散樹脂を他の構成材料に混合する方法が採用され
る。BEST MODE FOR CARRYING OUT THE INVENTION The colorant-dispersed resin of the present invention is used for a resin composition for a sealant colored black or the like. The resin composition is a resin such as an epoxy resin, a filler such as various silicas, a curing agent such as an acid anhydride, a curing accelerator such as an amine, a modifier such as gel-like silicon, and a coloring agent. And the like are blended and kneaded. Examples of the coloring agent include carbon black. At the time of compounding the colorant, a colorant-dispersed resin in which a part of the resin and the colorant are mixed is prepared in advance so that a small amount of the colorant can be easily mixed into the resin composition. A method of mixing with other constituent materials is adopted.
【００１０】図１は請求項１、２記載の発明に対応する
実施の形態の一例を示す概略図である。１は樹脂と着色
剤の混合物２を貯蔵する貯蔵タンクであり、３は分散
器、４は貯蔵タンク１から分散器３に流通する配管、
５、６は分散器３から貯蔵タンク１に流通する配管、７
は配管５より分岐し製品ラインに流通する配管である。FIG. 1 is a schematic diagram showing an example of an embodiment corresponding to the first and second aspects of the present invention. 1 is a storage tank for storing a mixture 2 of resin and colorant, 3 is a disperser, 4 is a pipe flowing from the storage tank 1 to the disperser 3,
5 and 6 are pipes flowing from the disperser 3 to the storage tank 1, 7
Is a pipe branched from the pipe 5 and distributed to the product line.
【００１１】上記樹脂としてエポキシ樹脂と着色剤とし
てカーボンブラックを所定量の割合で混合した混合物２
が貯蔵タンク１に貯蔵されている。上記混合物２は、低
速混合機等を用いて混合すればよい。上記混合物２は、
貯蔵タンク１からポンプ８を稼働し、分散器３に投入さ
れる。上記分散器３内には、超音波振動体が備えられて
おり、この超音波振動体から超音波振動が発生する。超
音波振動が付与されると、上記混合物２中のカ−ボンブ
ラックの凝集物が瞬間的に破砕され微粒子にすることが
できる。カ−ボンブラックは、１次粒子は０．０１μｍ
程度の微粒子であるが、凝集し易いため混合物２中では
１００μｍ以上の粒子の凝集物の状態で分散している。
超音波振動が付与されると、カ−ボンブラックは、２０
μｍ以下に微粒子化され、エポキシ樹脂中に分散され
る。上記超音波振動体は、１８〜２１ＫＨｚの高い周波
数の音波を、１０〜２０分程度付与することが好まし
い。得られた着色剤分散樹脂の一部を製品ラインヘ移送
し、着色剤分散樹脂の残りを貯蔵タンクと循環させる。A mixture 2 in which an epoxy resin as the resin and carbon black as a colorant are mixed at a predetermined ratio.
Are stored in the storage tank 1. The mixture 2 may be mixed using a low-speed mixer or the like. The above mixture 2
The pump 8 is operated from the storage tank 1 and charged into the disperser 3. The disperser 3 is provided with an ultrasonic vibrator, which generates ultrasonic vibration. When the ultrasonic vibration is applied, the aggregate of carbon black in the mixture 2 is instantaneously crushed into fine particles. Carbon black has a primary particle of 0.01 μm.
Although they are fine particles of a degree, they are easily aggregated and are dispersed in the mixture 2 in the form of aggregates of particles of 100 μm or more.
When ultrasonic vibration is applied, carbon black becomes 20
It is finely divided to a particle size of μm or less and dispersed in an epoxy resin. It is preferable that the ultrasonic vibrator applies a high-frequency sound wave of 18 to 21 KHz for about 10 to 20 minutes. A part of the obtained colorant-dispersed resin is transferred to a product line, and the rest of the colorant-dispersed resin is circulated through a storage tank.
【００１２】上記着色剤分散樹脂を貯蔵タンク１と分散
器３の間で循環すると、カ−ボンブラックは、循環のた
びに分散機３内で超音波振動を繰り返し受けるので、カ
−ボンブラックをより微細な状態にまで破壊することが
できる。上記製造方法により、着色剤がより微細な状態
で樹脂中に分散した着色剤分散樹脂を得ることができ
る。When the colorant-dispersed resin is circulated between the storage tank 1 and the disperser 3, the carbon black is repeatedly subjected to ultrasonic vibrations in the disperser 3 each time it is circulated. It can be broken down to a finer state. According to the above production method, a colorant-dispersed resin in which the colorant is dispersed in a finer state in the resin can be obtained.
【００１３】次に、他の実施の形態を説明する。図２は
請求項１、３記載の発明に対応する実施の形態の一例を
示す概略図である。１は樹脂と着色剤の混合物２を貯蔵
する貯蔵タンクであり、１３ａ，１３ｂ，１３ｃは複数
の分散器、１４は貯蔵タンク１から分散器１３に流通す
る配管、１７は分散器１３から製品ラインに流通する配
管である。Next, another embodiment will be described. FIG. 2 is a schematic diagram showing an example of an embodiment corresponding to the first and third aspects of the present invention. 1 is a storage tank for storing a mixture 2 of resin and colorant, 13a, 13b and 13c are a plurality of dispersers, 14 is a pipe flowing from the storage tank 1 to the disperser 13, and 17 is a product line from the disperser 13 to the product line. It is a pipe that circulates in
【００１４】上記樹脂としてエポキシ樹脂と着色剤とし
てカーボンブラックを所定量の割合で混合した混合物２
が貯蔵タンク１に貯蔵されている。上記混合物２は、低
速混合機等を用いて混合すればよい。上記混合物２は、
貯蔵タンク１からポンプ８を稼働し、複数の分散器１３
ａ，１３ｂ，１３ｃを有する分散室１３に投入される。
上記分散器１３ａ，１３ｂ，１３ｃにはそれぞれ超音波
振動体が備えられており、この超音波振動体から超音波
振動が発生する。上記混合物２は、順次分散器１３ａ，
１３ｂ，１３ｃを通過しながら、それぞれの分散器１３
ａ，１３ｂ，１３ｃで超音波振動が繰り返し付与され、
上記混合物２中のカ−ボンブラックの凝集物が瞬間的に
破砕され微粒子化される。得られた着色剤分散樹脂は、
製品ラインヘ移送される。A mixture 2 in which an epoxy resin as the resin and carbon black as a colorant are mixed at a predetermined ratio.
Are stored in the storage tank 1. The mixture 2 may be mixed using a low-speed mixer or the like. The above mixture 2
The pump 8 is operated from the storage tank 1 and a plurality of dispersers 13
a, 13b, and 13c.
Each of the dispersers 13a, 13b, and 13c is provided with an ultrasonic vibrator, and the ultrasonic vibrator generates ultrasonic vibration. The mixture 2 is sequentially dispersed in a disperser 13a,
13b and 13c while passing through each disperser 13
Ultrasonic vibrations are repeatedly given at a, 13b, 13c,
Agglomerates of carbon black in the mixture 2 are instantaneously crushed into fine particles. The obtained colorant-dispersed resin is
Transferred to product line.
【００１５】図２に示す方法は、超音波振動体が複数備
えられているので、着色剤分散樹脂はそれぞれの分散器
１３ａ，１３ｂ，１３ｃを通過することで、カ−ボンブ
ラックをより微細な状態にまで破壊することができる。
上記製造方法により、着色剤がより微細な状態で樹脂中
に分散した着色剤分散樹脂を得ることができる。特に、
上記方法は、着色剤分散樹脂を連続して製品ラインに供
給する際に適する。In the method shown in FIG. 2, since a plurality of ultrasonic vibrators are provided, the colorant-dispersed resin passes through each of the dispersers 13a, 13b, and 13c, thereby making the carbon black finer. Can be destroyed to a state.
According to the above production method, a colorant-dispersed resin in which the colorant is dispersed in a finer state in the resin can be obtained. In particular,
The above method is suitable when the colorant-dispersed resin is continuously supplied to a product line.
【００１６】（実施例１）上記方法を実施した場合の確
認結果を説明する。評価はツブゲ−ジ法と沈澱評価法で
行った。上記ツブゲ−ジ法は、本体とスクレ−バからな
り器具を用い、本体に形成された傾斜した溝に試料を入
れ、上記スクレ−バを本体の表面にそって動かして、試
料表面にできる粒とスレ痕の状態により粒径の大きさを
測定する方法である。上記沈澱評価法は、試料を放置
し、カ−ボンブラックの凝集物が沈降し、底部に沈降層
の境界ができるまでの時間を測定する方法である。(Embodiment 1) Confirmation results when the above method is performed will be described. The evaluation was performed by a tube gage method and a precipitation evaluation method. The tub gage method uses a device consisting of a main body and a scrubber, puts a sample into an inclined groove formed in the main body, and moves the scriber along the surface of the main body to form particles formed on the sample surface. This is a method of measuring the size of the particle size according to the state of the thread marks. The sediment evaluation method is a method of measuring the time until the aggregate of carbon black is allowed to settle and the boundary of the sedimentary layer is formed at the bottom.
【００１７】エポキシ樹脂２０重量部、カ−ボンブラッ
ク０．６重量部を低速混合機に投入し、門型の攪拌羽を
回転数が公転１６〜６２ＲＰＭ、自転２９〜１１２ＲＰ
Ｍの条件で攪拌した。この混合物の分散度合いの結果
は、ツブゲ−ジ法では粒子の大きさ２０μｍ以上、沈澱
評価法では４時間であった。20 parts by weight of epoxy resin and 0.6 parts by weight of carbon black are put into a low-speed mixer, and a portal-type stirring blade is rotated at a revolution of 16 to 62 RPM and a rotation of 29 to 112 RP.
The mixture was stirred under M conditions. As a result of the degree of dispersion of this mixture, the particle size was 20 μm or more in the tube fitting method, and 4 hours in the precipitation evaluation method.
【００１８】上記混合物を、図１に示す方法で、２０分
間で５回循環させた後に、着色剤分散樹脂を測定した。
着色剤分散樹脂の分散度合いの結果は、ツブゲ−ジ法で
は粒子の大きさ８μｍ以下、沈澱評価法では２４時間で
も境界が生じなかった。着色剤分散樹脂は、カ−ボンブ
ラックが２０μｍ以下の微粒子化した状態で分散されて
いることが、確認できた。After the above mixture was circulated five times for 20 minutes by the method shown in FIG. 1, the colorant-dispersed resin was measured.
As a result of the degree of dispersion of the colorant-dispersed resin, the size of the particles was 8 μm or less in the Tubage method, and no boundary was formed even in 24 hours in the precipitation evaluation method. It was confirmed that the colorant-dispersed resin had carbon black dispersed therein in the form of fine particles of 20 μm or less.
【００１９】（実施例２）実施例１と同様にして低速混
合機で混合物を作製した。この混合物を、図２に示す方
法で１５分かけて移送した着色剤分散樹脂を測定した。
着色剤分散樹脂の分散度合いの結果は、ツブゲ−ジ法で
は粒子の大きさ１３μｍ以下、沈澱評価法では２４時間
でも境界が生じなかった。着色剤分散樹脂は、カ−ボン
ブラックが２０μｍ以下の微粒子化した状態で分散され
ていることが、確認できた。Example 2 A mixture was prepared using a low-speed mixer in the same manner as in Example 1. The colorant-dispersed resin transferred from this mixture over a period of 15 minutes by the method shown in FIG. 2 was measured.
As a result of the degree of dispersion of the colorant-dispersed resin, the particle size was 13 μm or less in the tube fitting method, and no boundary occurred even in 24 hours in the precipitation evaluation method. It was confirmed that the colorant-dispersed resin had carbon black dispersed therein in the form of fine particles of 20 μm or less.
【００２０】[0020]
【発明の効果】請求項１記載の発明は、樹脂と着色剤を
混合した混合物に超音波振動体から発する超音波振動を
付与して、着色剤を瞬間的に破砕された微粒子にするの
で、着色剤が２０μｍ以下の微粒子化した状態で樹脂中
に分散した着色剤分散樹脂を得ることができる。According to the first aspect of the present invention, a mixture of a resin and a colorant is subjected to ultrasonic vibration generated from an ultrasonic vibrator, so that the colorant is instantaneously crushed into fine particles. It is possible to obtain a colorant-dispersed resin in which the colorant is dispersed in the resin in a state of fine particles having a particle size of 20 μm or less.
【００２１】さらに、請求項２記載の発明は、請求項１
記載の発明において、特に、着色剤は、循環毎に分散機
内で超音波振動が繰り返し付与されることになるため、
着色剤がより微細な状態で樹脂中に分散した着色剤分散
樹脂を得ることができる。Further, the invention according to claim 2 is the same as claim 1.
In the invention described, in particular, the colorant, since ultrasonic vibrations will be repeatedly applied in the disperser for each circulation,
A colorant-dispersed resin in which the colorant is dispersed in the resin in a finer state can be obtained.
【００２２】さらに、請求項３記載の発明は、請求項１
記載の発明において、特に、着色剤は、複数の分散機で
超音波振動を繰り返し受けるので、着色剤がより微細な
状態で樹脂中に分散した着色剤分散樹脂を得ることがで
きる。なかでも、着色剤分散樹脂を連続して製品ライン
に供給する際に適する。Further, the invention according to claim 3 provides the invention according to claim 1.
In the invention described, in particular, the colorant is repeatedly subjected to ultrasonic vibration by a plurality of dispersers, so that a colorant-dispersed resin in which the colorant is dispersed in a finer state in the resin can be obtained. Especially, it is suitable when the colorant-dispersed resin is continuously supplied to a product line.
【００２３】さらに、請求項４記載の発明は、特に、カ
−ボンブラックを２０μｍ以下の微細な粒子の状態でエ
ポキシ樹脂中に分散した着色剤分散樹脂を得ることがで
きる。Further, according to the present invention, a colorant-dispersed resin in which carbon black is dispersed in an epoxy resin in a state of fine particles of 20 μm or less can be obtained.
【図１】本発明の実施の形態の一例を示す概略図であ
る。FIG. 1 is a schematic diagram showing an example of an embodiment of the present invention.
【図２】本発明の実施の形態の他の一例を示す概略図で
ある。FIG. 2 is a schematic diagram showing another example of the embodiment of the present invention.
１ 貯蔵タンク ２ 混合物 ３，１３ａ，１３ｂ，１３ｃ 分散器 DESCRIPTION OF SYMBOLS 1 Storage tank 2 Mixture 3,13a, 13b, 13c Disperser
Claims (4)
用いられる着色剤分散樹脂の製造方法であって、樹脂と
着色剤を混合し、この混合物に振動体から発する超音波
振動を付与し、凝集した着色剤を微粒子化させて、樹脂
中に分散させることを特徴とする着色剤分散樹脂の製造
方法。1. A method for producing a colorant-dispersed resin used as a constituent material of a resin composition for a sealant, comprising mixing a resin and a colorant and applying ultrasonic vibration generated from a vibrator to the mixture. A method for producing a colorant-dispersed resin, wherein the aggregated colorant is formed into fine particles and dispersed in the resin.
に貯蔵し、この混合物を貯蔵タンクより分散機に投入
し、この分散機内で超音波振動を付与した後に、着色剤
分散樹脂の一部を製品ラインヘ移送し、残りを貯蔵タン
クと循環させることを特徴とする請求項１記載の着色剤
分散樹脂の製造方法。2. A mixture of the resin and the colorant is stored in a storage tank, and the mixture is charged into the disperser from the storage tank and subjected to ultrasonic vibration in the disperser. 2. The method for producing a colorant-dispersed resin according to claim 1, wherein the resin is transferred to a product line, and the remainder is circulated with a storage tank.
に貯蔵し、この混合物を貯蔵タンクより製品ラインへ移
送する配管中に、複数の分散機で超音波振動を繰り返し
付与しながら、着色剤を分散することを特徴とする請求
項１記載の着色剤分散樹脂の製造方法。3. A method for storing a mixture of the resin and the colorant in a storage tank and repeatedly applying ultrasonic vibrations with a plurality of dispersers to a pipe for transferring the mixture from the storage tank to a product line. The method for producing a colorant-dispersed resin according to claim 1, wherein
色剤がカ−ボンブラックであることを特徴とする請求項
１乃至請求項３いずれか記載の着色剤分散樹脂の製造方
法。4. The method for producing a colorant-dispersed resin according to claim 1, wherein the resin is an epoxy resin, and the colorant is carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11210044A JP2001029767A (en) | 1999-07-26 | 1999-07-26 | Preparation of resin for dispersing coloring agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11210044A JP2001029767A (en) | 1999-07-26 | 1999-07-26 | Preparation of resin for dispersing coloring agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001029767A true JP2001029767A (en) | 2001-02-06 |
Family
ID=16582886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11210044A Pending JP2001029767A (en) | 1999-07-26 | 1999-07-26 | Preparation of resin for dispersing coloring agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001029767A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013121692A1 (en) * | 2012-02-17 | 2013-08-22 | パナソニック株式会社 | Method for dispersing filler, and micro-dispersing mixer |
| WO2022201604A1 (en) * | 2021-03-26 | 2022-09-29 | ホヤ レンズ タイランド リミテッド | Method for producing polymerizable composition, and method for producing photochromic article |
-
1999
- 1999-07-26 JP JP11210044A patent/JP2001029767A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013121692A1 (en) * | 2012-02-17 | 2013-08-22 | パナソニック株式会社 | Method for dispersing filler, and micro-dispersing mixer |
| WO2022201604A1 (en) * | 2021-03-26 | 2022-09-29 | ホヤ レンズ タイランド リミテッド | Method for producing polymerizable composition, and method for producing photochromic article |
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