JPH05230446A - Particulate composition - Google Patents
Particulate compositionInfo
- Publication number
- JPH05230446A JPH05230446A JP6936192A JP6936192A JPH05230446A JP H05230446 A JPH05230446 A JP H05230446A JP 6936192 A JP6936192 A JP 6936192A JP 6936192 A JP6936192 A JP 6936192A JP H05230446 A JPH05230446 A JP H05230446A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- particle
- inorganic fluorescent
- fluorescent pigment
- particulate composition
- 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
- Luminescent Compositions (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、粉体などを形成する
粒子状組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a particulate composition for forming a powder or the like.
【０００２】[0002]
【従来の技術】一般に、蛍光塗料として使用されている
ものは、無機蛍光顔料を合成樹脂などに分散させてい
る。この、蛍光塗料中に分散した無機蛍光顔料粒子の発
光する機能を十分に発揮させるためには、蛍光塗料に分
散している無機蛍光顔料粒子の総数の総表面積を広くす
れば良い。2. Description of the Related Art Generally, what is used as a fluorescent paint has an inorganic fluorescent pigment dispersed in a synthetic resin or the like. In order to fully exhibit the light emitting function of the inorganic fluorescent pigment particles dispersed in the fluorescent paint, the total surface area of the total number of the inorganic fluorescent pigment particles dispersed in the fluorescent paint may be increased.
【０００３】すなわち、従来は、蛍光塗料に含まれる無
機蛍光顔料粒子からなる粉体の単位体積当たりの総表面
積を広くするために、無機蛍光顔料粒子を微粒子化して
いた。That is, conventionally, in order to widen the total surface area per unit volume of the powder composed of the inorganic fluorescent pigment particles contained in the fluorescent paint, the inorganic fluorescent pigment particles are made into fine particles.
【０００４】[0004]
【発明が解決しようとする課題】従来は、以上のように
微粒子化していたのでしていたので、無機蛍光顔料粒子
が飛散しやすいなど、その取扱いが非常に面倒であっ
た。また、無機蛍光顔料粒子を微粒子化して分散する
と、その微粒子体が凝固しやすいので均一に分散するこ
とが難しく、分散した後も分散状態の安定性がないため
再凝固するといった問題があった。In the past, since the particles were made into fine particles as described above, the handling of the inorganic fluorescent pigment particles was very troublesome, such as easy scattering. In addition, when the inorganic fluorescent pigment particles are made into fine particles and dispersed, it is difficult to uniformly disperse the fine particles, and there is a problem that the dispersed state is not stable even after the dispersion and the particles re-coagulate.
【０００５】また、無機蛍光顔料粒子を均一に分散しや
すく、かつ、再凝固し難くするためには、その粒子形を
大きくすることが必要であり、このようにすると蛍光塗
料中の無機蛍光顔料粒子の総粒子の総表面積が小さくな
ってしまい、発光機能が十分に発揮できないという問題
があった。Further, in order to easily disperse the inorganic fluorescent pigment particles uniformly and to make it difficult to re-solidify, it is necessary to make the particle shape large, and by doing so, the inorganic fluorescent pigment in the fluorescent paint is formed. There is a problem that the total surface area of all the particles becomes small and the light emitting function cannot be sufficiently exhibited.
【０００６】以上のことより、この発明は、無機蛍光顔
料の粒子などからなる粉体の粒子総数の総表面積を小さ
くせずに、その粒子からなる粉体を取扱いやすくすると
共に、分散しやすく、かつ、再凝固し難くすることを目
的とする。From the above, the present invention makes it easy to handle and disperse the powder made of the particles without reducing the total surface area of the particles made of the particles of the inorganic fluorescent pigment. In addition, the purpose is to make it difficult to re-solidify.
【０００７】[0007]
【課題を解決するための手段】この発明の微粒子状組成
物は、核となる第１の粒子の表面に第２の粒子を配置
し、その周りに透明体からなる保護膜を配置する。In the fine particle composition of the present invention, the second particles are arranged on the surface of the first particles as the core, and the protective film made of a transparent material is arranged around the second particles.
【０００８】[0008]
【作用】第２の粒子の総数の表面積を小さくせずに、第
２の粒子を含む粉体の粒子径が大きくできる。The particle size of the powder containing the second particles can be increased without reducing the total surface area of the second particles.
【０００９】[0009]
【実施例】以下、この発明の１実施例を図について説明
する。図１は、この発明の１実施例である粒子状組成物
の断面を示す断面図である。１は核となる母粒子、２は
母粒子１表面を被覆するように配置する微粒子、３は微
粒子２外側に配置する透明膜からなる保護膜である。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing a cross section of a particulate composition which is an embodiment of the present invention. Reference numeral 1 is a mother particle serving as a core, 2 is a fine particle arranged so as to cover the surface of the mother particle 1, and 3 is a protective film made of a transparent film arranged outside the fine particle 2.
【００１０】母粒子１は、５０℃程度の溶融温度を持つ
アクリル材からなり、その粒径が１００〜５００μｍの
ものである。微粒子２は、蓄光性があり青色の光を発す
る、ＣａＳｒＳとＢｉからなり、その粒子径が１〜１０
μｍ程度のものである。そして、保護膜３は、透過性の
ある５０℃程度の溶融温度を持つアクリル材からなる。The mother particles 1 are made of an acrylic material having a melting temperature of about 50 ° C. and have a particle size of 100 to 500 μm. The fine particles 2 are made of CaSrS and Bi, which have a luminous property and emit blue light, and have a particle diameter of 1 to 10
It is about μm. The protective film 3 is made of a transparent acrylic material having a melting temperature of about 50 ° C.
【００１１】つぎに、この粒子状組成物の形成方法を説
明する。まず、母粒子１と微粒子２とを混合し、この混
合粉体を５０〜８０ｍ／ｓｅｃの速度で移動させる。こ
の移動を円筒形状の閉回路内で行うと、混合粉体は分散
されながら、衝撃力を主体に粒子間の相互作用も含め圧
縮，摩擦などの物理的作用を繰り返し受け、約２分間で
微粒子２が母粒子１の表面に均一に付着する。Next, a method for forming this particulate composition will be described. First, the mother particles 1 and the fine particles 2 are mixed, and this mixed powder is moved at a speed of 50 to 80 m / sec. When this movement is performed in a cylindrical closed circuit, while the mixed powder is dispersed, it is repeatedly subjected to physical effects such as compression, friction, etc., mainly due to impact force, including interaction between particles, and fine particles are generated in about 2 minutes. 2 uniformly adheres to the surface of the mother particle 1.
【００１２】この後、光透過性のある５０℃程度の溶融
温度を持つアクリル材からなる粒子を、微粒子２が表面
に付着した母粒子１に前述と同様の方法で付着させる
と、このアクリル材は低融点なので軟化溶融して母粒子
１の表面に付着した無機蛍光顔料２外側に均一に付着コ
ーティングされ、保護膜３となる。Thereafter, particles of an optically transparent acrylic material having a melting temperature of about 50 ° C. are adhered to the mother particles 1 having the fine particles 2 adhered on the surface in the same manner as described above, and the acrylic material is obtained. Has a low melting point, is softened and melted, and is uniformly adhered and coated on the outside of the inorganic fluorescent pigment 2 adhered to the surface of the mother particle 1 to form the protective film 3.
【００１３】なお、上記実施例では、母粒子１に均一に
微粒子２を付着させ、その後、保護膜３を形成したが、
他の実施例として、微粒子２に保護膜３と同様の材料を
被覆させた粒子を、上記実施例と同様の処理で母粒子１
に付着コーティングさせて、母粒子１と微粒子２と保護
膜３ａからなる粒子状組成物としてももよい。図２は、
この実施例の粒子状組成物の断面図である。In the above embodiment, the fine particles 2 are uniformly attached to the mother particles 1 and then the protective film 3 is formed.
As another example, particles obtained by coating fine particles 2 with a material similar to that of the protective film 3 are treated in the same manner as in the above-described embodiment to form the mother particles 1.
It is also possible to make a particulate composition comprising the mother particles 1, the fine particles 2 and the protective film 3a by applying the coating to the above. Figure 2
It is sectional drawing of the particulate composition of this Example.
【００１４】また、無機蛍光顔料としては、Ｃａ，Ｂ
ａ，Ｍｇ，Ｚｎ，Ｃｄなどのアルカリ土類金属もしくは
亜鉛族金属の酸化物，硫化物，珪酸塩，燐酸塩，タング
ステン酸塩などを主成分とし、これに０．０１〜１％の
Ｍｎ，Ａｇ，Ｃｕ，Ｓｂ，Ｐｂなどを活性材を添加し、
７００〜１３００℃で焼成した作られたものでよい。Further, as the inorganic fluorescent pigment, Ca, B
a, Mg, Zn, Cd and other alkaline earth metal or zinc group metal oxides, sulfides, silicates, phosphates, tungstates, etc. as the main components, with 0.01-1% Mn, Add active materials such as Ag, Cu, Sb, Pb,
It may be made by firing at 700 to 1300 ° C.
【００１５】無機蛍光顔料としては、たとえば、蓄光性
があり発する光が橙色のＺｎＣｄＳ：Ｃｕ（ＣｄＳ３０
％）、および発する光が黄色のＺｎＣｄＳ：Ｃｕ（Ｃｄ
Ｓ５％）や、発する光が赤色のＺｎ3（ＰＯ4）2：Ｍ
ｎ，発する光が橙色の３Ｃｄ3（ＰＯ4）2・ＣｄＣｌ2：
Ｍｎ，発する光が青色のＳｒ2Ｐ2Ｏ：Ｓｎがある。As the inorganic fluorescent pigment, for example, ZnCdS: Cu (CdS30), which has a luminous property and emits orange light, is used.
%), And the emitted light is yellow ZnCdS: Cu (Cd
S5%) or the emitted light is red Zn 3 (PO 4 ) 2 : M
n, the emitted light is orange 3Cd 3 (PO 4 ) 2 · CdCl 2 :
There is Mn, and the emitted light is blue Sr 2 P 2 O: Sn.
【００１６】なお、微粒子２は無機蛍光顔料に限るもの
ではなく、有機蛍光顔料やその他の顔料，染料など、ど
の様な粒子でも良い。The fine particles 2 are not limited to inorganic fluorescent pigments, but may be any particles such as organic fluorescent pigments, other pigments and dyes.
【００１７】[0017]
【発明の効果】以上説明したように、この発明では、第
２の粒子の粒径は小さいままで、この第２の粒子を含む
粉体の粒子径を大きくできるので、微粒子にして第２の
粒子の総表面積を小さくすること無く、粒子の分散がし
やすくその分散した後も再凝固し難くく、かつ、取扱い
がしやすくなるという効果がある。As described above, according to the present invention, the particle diameter of the powder containing the second particles can be increased while the particle diameter of the second particles remains small. Without reducing the total surface area of the particles, there is an effect that the particles can be easily dispersed, are hard to be re-solidified even after the dispersion, and can be easily handled.
【図１】この発明の１実施例である粒子状組成物の断面
図である。FIG. 1 is a cross-sectional view of a particulate composition that is an example of the present invention.
【図２】他の実施例を示す粒子状組成物の断面図であ
る。FIG. 2 is a cross-sectional view of a particulate composition showing another example.
１ 母粒子 ２ 微粒子 ３ 保護膜 1 Mother particle 2 Fine particle 3 Protective film
Claims (1)
体からなる保護膜とから構成される粒子状組成物。1. A first particle serving as a core, a second particle arranged on a surface of the first particle, and a transparent body arranged on an outer peripheral surface of the first particle and the second particle. A particulate composition comprising a protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6936192A JPH05230446A (en) | 1992-02-20 | 1992-02-20 | Particulate composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6936192A JPH05230446A (en) | 1992-02-20 | 1992-02-20 | Particulate composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05230446A true JPH05230446A (en) | 1993-09-07 |
Family
ID=13400346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6936192A Pending JPH05230446A (en) | 1992-02-20 | 1992-02-20 | Particulate composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05230446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859933A (en) * | 2016-03-31 | 2016-08-17 | 北京化工大学 | Reactive polymer microsphere of core-shell structure, preparation method thereof and application thereof |
-
1992
- 1992-02-20 JP JP6936192A patent/JPH05230446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859933A (en) * | 2016-03-31 | 2016-08-17 | 北京化工大学 | Reactive polymer microsphere of core-shell structure, preparation method thereof and application thereof |
| CN105859933B (en) * | 2016-03-31 | 2018-09-21 | 北京化工大学 | A kind of response type polymer microballoon and its preparation method and application with nucleocapsid |
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