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JPH0225934B2 - - Google Patents
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JPH0225934B2 - - Google Patents

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Publication number
JPH0225934B2
JPH0225934B2 JP56056830A JP5683081A JPH0225934B2 JP H0225934 B2 JPH0225934 B2 JP H0225934B2 JP 56056830 A JP56056830 A JP 56056830A JP 5683081 A JP5683081 A JP 5683081A JP H0225934 B2 JPH0225934 B2 JP H0225934B2
Authority
JP
Japan
Prior art keywords
fine
metal oxide
powder
fine powder
plastic
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.)
Expired
Application number
JP56056830A
Other languages
Japanese (ja)
Other versions
JPS57170931A (en
Inventor
Masumi Koishi
Takashi Takebayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NITSUKO RIKA KK
Original Assignee
NITSUKO RIKA KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NITSUKO RIKA KK filed Critical NITSUKO RIKA KK
Priority to JP56056830A priority Critical patent/JPS57170931A/en
Publication of JPS57170931A publication Critical patent/JPS57170931A/en
Publication of JPH0225934B2 publication Critical patent/JPH0225934B2/ja
Granted legal-status Critical Current

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  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

【発明の詳細な説明】 本発明はプラスチツク微粉末粒子を金属酸化物
あるいは複合金属酸化物微粉末でマイクロカプセ
ル化することにより、該プラスチツク微粉末の顔
料化、および電気特性、磁気特性等の改善を可能
ならしめるプラスチツク微粉末の表面処理方法に
関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention involves microencapsulating plastic fine powder particles with metal oxide or composite metal oxide fine powder, thereby converting the plastic fine powder into pigments and improving electrical properties, magnetic properties, etc. The present invention relates to a surface treatment method for plastic fine powder that enables the surface treatment of fine plastic powder.

プラスチツク微粉末は溌水性で帯電されやす
く、水溶液中への分散性あるいは分散安定性が悪
いなど、その表面性質において欠点があり、さら
に比重が小さいので、用途分野において制限を受
けることが多かつた。そのため、プラスチツク微
粉末の表面特性を改善する方法として、プラスチ
ツク微粉末の表面を金属酸化物の微粉末を用いて
乾式で被覆する方法が行なわれているが、金属酸
化物粉末の粒度や被覆の均一性に問題があり、い
まだに所期の効果が得られていないのが現状であ
る。
Fine plastic powder has drawbacks in its surface properties, such as being water-repellent and easily charged, and having poor dispersibility or dispersion stability in aqueous solutions. Furthermore, its specific gravity is small, so it has often been subject to limitations in its field of use. . Therefore, as a method to improve the surface properties of fine plastic powder, a method of dry coating the surface of fine plastic powder with fine metal oxide powder has been used. At present, there is a problem with uniformity, and the desired effect has not yet been obtained.

本発明は上記の従来方法の欠点を解決し、プラ
スチツク微粉末の粒子を金属酸化物あるいは複合
金属酸化物微粉末でマイクロカプセル化すること
により、該プラスチツク微粉末の親水性化、帯電
防止および成型性、表面粗度等の改善を可能なら
しめるプラスチツク微粉末の表面処理方法を提供
するもので、その要旨とするところは、プラスチ
ツク微粉末を金属酸化物あるいは複合金属酸化物
の焼結ボールと湿式撹拌させ、該湿式撹拌により
該焼結ボールから摩砕、剥離された該金属酸化物
あるいは該複合金属酸化物微粒子で該プラスチツ
ク微粉末の表面被覆させることを特徴とするプラ
スチツク微粉末の表面処理方法、にある。
The present invention solves the drawbacks of the above-mentioned conventional methods, and by micro-encapsulating the particles of plastic fine powder with metal oxide or composite metal oxide fine powder, the plastic fine powder can be made hydrophilic, antistatic and moldable. The present invention provides a surface treatment method for plastic fine powder that makes it possible to improve properties such as surface roughness and surface roughness. A method for surface treatment of plastic fine powder, which comprises stirring and coating the surface of the plastic fine powder with the metal oxide or composite metal oxide fine particles ground and exfoliated from the sintered ball by the wet stirring. ,It is in.

本発明は、以上のように、ポリアミド、ポリエ
チレン、ポリスチレン、ジビニルベンゼン共重合
体などの球状または破砕状のプラスチツク微粉末
を金属酸化物あるいは複合金属酸化物の焼結ボー
ルと湿式撹拌させ、その際メカノケミカル現象に
より該焼結ボール同志の衝突によつて粒径0.1μm
オーダーの該金属酸化物あるいは該複合金属酸化
物微粒子を摩砕、剥離させ、この剥離された状態
の金属酸化物微粒子の有するきわめて高い表面エ
ネルギーによつて、該微粒子を直ちにプラスチツ
ク微粉末表面に強力かつ均一に付着、被覆せしめ
るものである。すなわち、プラスチツク微粉末表
面をきわめて高い表面エネルギーを有する金属酸
化物あるいは複合金属酸化物微粒子でマイクロカ
プセル化するものである。
As described above, the present invention wet-stirs a spherical or crushed plastic fine powder such as polyamide, polyethylene, polystyrene, or divinylbenzene copolymer with a sintered ball of a metal oxide or a composite metal oxide. Due to a mechanochemical phenomenon, the sintered balls collide with each other, resulting in a particle size of 0.1 μm.
The metal oxide or composite metal oxide fine particles of the order of magnitude are ground and exfoliated, and the extremely high surface energy of the exfoliated metal oxide fine particles immediately attaches the fine particles to the surface of the plastic fine powder. It also enables uniform adhesion and coating. That is, the surface of a plastic fine powder is microencapsulated with metal oxide or composite metal oxide fine particles having extremely high surface energy.

本発明においては湿式撹拌によりプラスチツク
微粉末と金属酸化物あるいは複合金属酸化物の焼
結ボール間に湿式撹拌によつて生起する上記メカ
ノケミカル現象の時間的変化により、被覆度の異
なるプラスチツク微粉末が得られる。このプラス
チツク微粉末表面の金属酸化物あるいは複合金属
酸化物微粉末の被覆によつて、プラスチツク本来
の性質と金属酸化物あるいは複合金属酸化物の性
質の両方を利用することができる。このことは顔
料および化粧品原料基材の製造においてきわめて
有利な効果をもたらすものである。その1例は、
金属酸化物として無機顔料の焼結ボールを用い
て、本発明に従つて表面処理されたプラスチツク
微粉末は該焼結ボールから摩砕、剥離された該無
機顔料微粒子によるマイクロカプセル化によつて
顔料化されるとともに、表面の親水性が向上する
だけでなく、帯電は防止され、比重は増加し、水
溶液中への分散性、粉体との混合性、圧縮成型性
が改善される。このように、本発明に従つて表面
処理したプラスチツク微粉末は水中に懸濁した際
に色分かれすることがない。従つて、特徴のある
無機顔料の焼結ボールを選択することにより、そ
の用途分野が著しく拡大される。
In the present invention, fine plastic powder with different degrees of coverage is created by the temporal change of the mechanochemical phenomenon that occurs between fine plastic powder and sintered balls of metal oxide or composite metal oxide through wet stirring. can get. By coating the surface of the plastic fine powder with the metal oxide or composite metal oxide fine powder, both the inherent properties of the plastic and the properties of the metal oxide or composite metal oxide can be utilized. This has extremely advantageous effects in the production of pigments and cosmetic raw material bases. One example is
The plastic fine powder surface-treated according to the present invention using sintered balls of an inorganic pigment as a metal oxide is microencapsulated with the inorganic pigment fine particles ground and exfoliated from the sintered balls. In addition to improving the hydrophilicity of the surface, electrification is prevented, specific gravity increases, and dispersibility in aqueous solutions, mixability with powder, and compression moldability are improved. Thus, the fine plastic powder surface-treated according to the present invention does not exhibit color separation when suspended in water. Therefore, by selecting sintered balls of characteristic inorganic pigments, their field of application is significantly expanded.

本発明はプラスチツク微粉末と金属酸化物ある
いは複合金属酸化物の焼結ボール間の湿式撹拌に
よるメカノケミカル現象を利用するものである。
従つて通常の金属酸化物微粒子をプラスチツク微
粉末と単に湿式撹拌しても、該金属酸化物微粒子
でプラスチツク微粉末の表面を被覆せしめること
はできない。
The present invention utilizes a mechanochemical phenomenon caused by wet stirring between fine plastic powder and sintered balls of metal oxide or composite metal oxide.
Therefore, even if ordinary fine metal oxide particles are simply wet-stirred with fine plastic powder, the surface of the fine plastic powder cannot be coated with the fine metal oxide particles.

本発明は、以上のごとく、メカノケミカル現象
を利用する簡単な操作によつて金属酸化物あるい
は複合金属酸化物微粒子でプラスチツク微粉末を
マイクロカプセル化し、それによつてプラスチツ
ク微粉末の親水性化、帯電防止、及び表面粗度、
比重、成型性等の改善を可能ならしめるプラスチ
ツク微粉末の表面処理法を提供するもので、顔
料、化粧品原料基材等の製造上きわめて有用であ
る。
As described above, the present invention microencapsulates fine plastic powder with metal oxide or composite metal oxide fine particles through a simple operation utilizing mechanochemical phenomena, thereby making the plastic fine powder hydrophilic and charging it. prevention, and surface roughness,
The present invention provides a surface treatment method for plastic fine powder that makes it possible to improve specific gravity, moldability, etc., and is extremely useful in the production of pigments, cosmetic raw materials, etc.

次に、本発明を実施例によつてさらに具体的に
説明するが、本発明はその要旨を超えない限り以
下の実施例によつて限定されるものではない。
Next, the present invention will be explained in more detail with reference to examples, but the present invention is not limited to the following examples unless it exceeds the gist thereof.

実施例 1 12ナイロン微粉末(球状、直径約5μm)100g
をたて型遠心回転ボールミルに入れ、4mmφのべ
んがら(α−Fe2O3)焼結ボール1Kg、水150ml
を加え、230rpmで5時間撹拌した。次いで、生
成した粉状物をボールから分離し、乾燥すると、
表面にべんがら微粒子が強固に付着した12ナイロ
ン微粉末が得られた。この12ナイロン微粉末の電
子顕微鏡写真(倍率7000倍)を第1図に示す。べ
んがらの付着量は撹拌時間とともに増加する。
Example 1 100g of 12 nylon fine powder (spherical, approximately 5μm in diameter)
Place in a vertical centrifugal rotary ball mill, add 1 kg of 4 mmφ sintered iron (α-Fe 2 O 3 ) balls, and 150 ml of water.
was added and stirred at 230 rpm for 5 hours. The resulting powder is then separated from the ball and dried.
A fine powder of 12 nylon with fine red pepper particles firmly attached to the surface was obtained. An electron micrograph (magnification: 7000x) of this 12 nylon fine powder is shown in Figure 1. The amount of red pepper adhesion increases with stirring time.

この12ナイロン微粉末の10-4MKCl水溶液中で
の電気泳動測定結果から計算したゼータ電位変化
を第2図に示す。第2図から、べんがら処理12ナ
イロンのゼータ電位は単独摩砕で調製したα−
Fe2O3のゼータ電位に近づくことが確認された。
すなわち、12ナイロン微粉末の表面がべんがらで
被覆される度合が大きくなると、べんがらのゼー
タ電位とほぼ一致する。
Figure 2 shows the change in zeta potential calculated from the electrophoretic measurement results of this 12 nylon fine powder in a 10 -4 MKCl aqueous solution. From Figure 2, the zeta potential of red-treated 12 nylon is α-
It was confirmed that the zeta potential approaches that of Fe 2 O 3 .
That is, when the degree to which the surface of the 12 nylon fine powder is covered with red iron increases, the zeta potential almost matches that of the red iron.

また、べんがらで被覆された12ナイロン微粉末
の色の数値的表現(307形日立カラーアナライザ
使用)を調べ、CIE色度図などで表わし、その結
果を第3図および第4図に示す。第4図から、べ
んがらで被覆された12ナイロン微粉末はべんがら
とは異なる特徴のある顔料であることがわかる。
In addition, the numerical representation of the color of the 12 nylon fine powder coated with red iron was investigated (using a Hitachi color analyzer model 307), and the results were expressed using a CIE chromaticity diagram, etc., and the results are shown in Figures 3 and 4. From FIG. 4, it can be seen that the 12 nylon fine powder coated with red iron is a pigment with characteristics different from red iron.

さらに、べんがら処理12ナイロン微粉末のX線
回析結果からも、べんがらの付着を確認した(第
5図)。
Furthermore, the adhesion of red iron was confirmed from the X-ray diffraction results of the 12 nylon fine powder treated with red iron (Fig. 5).

実施例 2 12ナイロン微粉末(球状、直径約5μm)と鉄ク
ロミア触媒用の複合酸化物(Fe2O3−Cr2O3)焼
結ボールを用いて実施例1と同様に処理して得た
鉄クロミア処理12ナイロン微粉末のゼータ電位は
実施例1のべんがら処理12ナイロン微粉末の場合
と同様の傾向を示し、12ナイロン微粉末の表面が
鉄クロミアで被覆される度合が大きくなると、鉄
クロミアのゼータ電位とほぼ一致した。
Example 2 A powder obtained by processing in the same manner as in Example 1 using 12 nylon fine powder (spherical, approximately 5 μm in diameter) and sintered balls of composite oxide (Fe 2 O 3 −Cr 2 O 3 ) for iron chromia catalysts. The zeta potential of the iron chromia-treated 12 nylon fine powder showed the same tendency as the iron 12 nylon fine powder treated in Example 1. It almost matched the zeta potential of chromia.

実施例 3 球径が約7μmのジビニルベンゼン共重合体「ミ
クロパール」微粉末(積水フアインケミカル社
製)とべんがら焼結ボールを用いて実施例1と同
様に処理して得たべんがら処理ジビニルベンゼン
共重合体微粉末のゼータ電位は実施例1のべんが
ら処理12ナイロン微粉末の場合と同様な傾向を示
し、ジビニルベンゼン共重合体微粉末の表面がべ
んがらで被覆される度合が大きくなると、べんが
らのゼータ電位とほぼ一致した。
Example 3 Spiral-treated divinyl obtained by processing in the same manner as in Example 1 using divinylbenzene copolymer "Micropearl" fine powder (manufactured by Sekisui Fine Chemical Co., Ltd.) with a spherical diameter of about 7 μm and red sintered balls. The zeta potential of the benzene copolymer fine powder showed the same tendency as the case of the red iron nylon fine powder treated in Example 1, and as the degree of coating of the surface of the divinylbenzene copolymer fine powder with red iron increases, It almost coincided with the zeta potential of

実施例 4 球径が約2〜3μmのベンゾグアナミン・ホルム
アルデヒド縮合物「FP−100」微粉末(日本触媒
化学工業社製)を用いて実施例1と同様に処理し
て得たべんがら処理ベンゾグアナミン・ホルムア
ルデヒド縮合物微粉末及びべんがらの色の数値的
表現(307形日立カラーアナライザ使用)を調べ
色度図で表わし、その結果を第6図及び第7図に
示す。図から、べんがらで被覆されたベンゾグア
ナミン・ホルムアルデヒド縮合物微粉末はべんが
らとは異なる特徴のある顔料であることがわか
る。
Example 4 Red benzoguanamine formaldehyde treated in the same manner as in Example 1 using benzoguanamine formaldehyde condensate "FP-100" fine powder (manufactured by Nippon Shokubai Kagaku Kogyo Co., Ltd.) having a spherical diameter of about 2 to 3 μm. The color of the condensate fine powder and red pepper was numerically expressed (using a 307 Hitachi Color Analyzer) and expressed in a chromaticity diagram, and the results are shown in Figures 6 and 7. From the figure, it can be seen that the benzoguanamine formaldehyde condensate fine powder coated with red pepper is a pigment with characteristics different from red pepper.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はべんがら処理12ナイロン微粉末(12ナ
イロン微粉末径約5μm)の電子顕微鏡写真図(倍
率7000倍)、第2図はべんがら処理12ナイロン微
粉末の10-4MKCl水溶液中での電気泳動測定結果
から計算したゼータ電位の湿式撹拌時間による変
化および単独摩砕で調製したべんがらのゼータ電
位を示すグラフ、第3図および第4図はべんがら
処理12ナイロン微粉末およびべんがらの色を307
型日立カラーアナライザで数値的表現にした後、
色度図で表わしたもの、第5図はべんがら処理12
ナイロン微粉末のX線回折図より計算したべんが
らの相対的ピーク面積の湿式撹拌時間による変化
を示す図、第6図および第7図はべんがら処理ベ
ンゾグアナミン・ホルムアルデヒド縮合物微粉末
およびべんがらの色を307形日立カラーアナライ
ザで数値的表現にした後、色度図で表わしたもの
である。
Figure 1 is an electron micrograph (magnification: 7,000x) of a 12 nylon fine powder treated with a red porcelain treatment (diameter of 12 nylon fine powder approximately 5 μm). Figure 2 is an electron micrograph of a 12 nylon fine powder treated with a red porcelain treatment in a 10 -4 MKCl aqueous solution. Graphs showing changes in zeta potential calculated from electrophoresis measurement results with wet stirring time and the zeta potential of red pepper prepared by single grinding.
After converting it into a numerical representation using a model Hitachi color analyzer,
What is represented in the chromaticity diagram, Figure 5 is the red color processing12
Figures 6 and 7 show the changes in the relative peak area of red pepper calculated from the X-ray diffraction diagram of fine nylon powder depending on the wet stirring time, and the colors of the fine benzoguanamine formaldehyde condensate powder and red pepper treated with red pepper are shown in Figures 6 and 7. It was expressed numerically using a Hitachi color analyzer and then expressed as a chromaticity diagram.

Claims (1)

【特許請求の範囲】[Claims] 1 プラスチツク微粉末を金属酸化物あるいは複
合金属酸化物の焼結ボールと湿式撹拌させ、該湿
式撹拌により該焼結ボールから摩砕、剥離された
該金属酸化物あるいは該複合金属酸化物微粒子で
該プラスチツク微粉末の表面を被覆させることを
特徴とするプラスチツク微粉末の表面処理方法。
1. Plastic fine powder is wet-stirred with a sintered ball of a metal oxide or composite metal oxide, and the metal oxide or composite metal oxide fine particles ground and peeled from the sintered ball by the wet stirring are used to form a plastic powder. A method for surface treatment of fine plastic powder, characterized by coating the surface of fine plastic powder.
JP56056830A 1981-04-15 1981-04-15 Surface treating method of fine plastic powder Granted JPS57170931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56056830A JPS57170931A (en) 1981-04-15 1981-04-15 Surface treating method of fine plastic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56056830A JPS57170931A (en) 1981-04-15 1981-04-15 Surface treating method of fine plastic powder

Publications (2)

Publication Number Publication Date
JPS57170931A JPS57170931A (en) 1982-10-21
JPH0225934B2 true JPH0225934B2 (en) 1990-06-06

Family

ID=13038289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56056830A Granted JPS57170931A (en) 1981-04-15 1981-04-15 Surface treating method of fine plastic powder

Country Status (1)

Country Link
JP (1) JPS57170931A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0723287B2 (en) * 1985-02-22 1995-03-15 株式会社資生堂 Non-liquid makeup cosmetics
US4844822A (en) * 1987-07-06 1989-07-04 The Dial Corporation Softener/antistat compositions
JPH0196249A (en) * 1987-10-09 1989-04-14 Masumi Koishi Electrical insulating composition
JPH0196257A (en) * 1987-10-09 1989-04-14 Masumi Koishi electrical insulation composition
CN102250480B (en) * 2011-05-25 2013-06-05 广东高怡新工程塑料有限公司 Plastic-based magnetic composite material and preparation method thereof

Also Published As

Publication number Publication date
JPS57170931A (en) 1982-10-21

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