JPH0686287B2 - Method for producing activated carbonaceous compact - Google Patents
Method for producing activated carbonaceous compactInfo
- Publication number
- JPH0686287B2 JPH0686287B2 JP2034693A JP3469390A JPH0686287B2 JP H0686287 B2 JPH0686287 B2 JP H0686287B2 JP 2034693 A JP2034693 A JP 2034693A JP 3469390 A JP3469390 A JP 3469390A JP H0686287 B2 JPH0686287 B2 JP H0686287B2
- Authority
- JP
- Japan
- Prior art keywords
- acf
- resin
- activated carbonaceous
- activated
- producing
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は活性炭素質成形体の製造方法に係り特に任意の
形状に成形することが可能な活性炭素質成形体の製造方
法に関する。TECHNICAL FIELD The present invention relates to a method for producing an activated carbonaceous molded body, and more particularly to a method for producing an activated carbonaceous molded body that can be molded into an arbitrary shape.
［従来の技術］ 近年、繊維状の活性炭、即ち活性炭素繊維（以下「AC
F」と言う。）が、優れた吸着性能を有することから、
各種分野での需要が高められている。[Prior Art] In recent years, fibrous activated carbon, that is, activated carbon fiber (hereinafter referred to as "AC
Say F ”. ) Has excellent adsorption performance,
Demand is increasing in various fields.
［発明が解決しようとする課題］ ACFをベースとする成形体は、ACFが長繊維状であるた
め、成形体形状には制限がある。従来のACF成形体はフ
ェルト状、ペーパー状、パイプ状のものが殆どであり、
このためACFの用途にも制限があった。[Problems to be Solved by the Invention] Since a molded product based on ACF has a long fiber shape, the shape of the molded product is limited. Most conventional ACF moldings are felt-shaped, paper-shaped, pipe-shaped,
For this reason, there are restrictions on the use of ACF.
本発明は上記従来の問題点を解決し、任意の形状に成形
可能な活性炭素質成形体の製造方法を提供することを目
的とする。An object of the present invention is to solve the above-mentioned conventional problems and to provide a method for producing an activated carbonaceous molded product which can be molded into an arbitrary shape.
［課題を解決するための手段］ 請求項（１）の活性炭素質成形体の製造方法は、気相成
長炭素繊維に樹脂を含浸させて成形し、得られた成形体
を非酸化性雰囲気にて焼結し、次いで賦活処理すること
を特徴とする。[Means for Solving the Problem] In the method for producing an activated carbonaceous molded body according to claim (1), a vapor-grown carbon fiber is impregnated with a resin and molded, and the molded body obtained is subjected to a non-oxidizing atmosphere. It is characterized in that it is sintered and then activated.
請求項（２）の活性炭素質成形体の製造方法は、気相成
長炭素繊維を賦活処理した後樹脂を含浸させて成形し、
得られた成形体を非酸化性雰囲気にて焼結することを特
徴とする。The method for producing an activated carbonaceous molded article according to claim (2) is a method of activating vapor-grown carbon fibers and then impregnating them with a resin for molding.
It is characterized in that the obtained molded body is sintered in a non-oxidizing atmosphere.
以下に本発明を詳細に説明する。The present invention will be described in detail below.
請求項（１）の活性炭素質成形体の製造方法において
は、気相法で生成したウィスカー状の気相成長炭素繊維
（以下、「VGCF」と言う。）を原料とし、これを必要に
応じて粗砕、圧密した後樹脂を含浸させて成形硬化す
る。In the method for producing an activated carbonaceous molded article according to claim (1), whisker-like vapor-grown carbon fibers (hereinafter referred to as “VGCF”) produced by a vapor phase method are used as a raw material, and this is used as necessary. After crushing and compacting, resin is impregnated and molded and cured.
含浸させる樹脂としてはエポキシ樹脂、フェノール樹
脂、ポリエステル樹脂等の熱硬化性樹脂が好ましいが、
熱可塑性樹脂であっても良い。これらの樹脂は各々必要
に応じて各種添加剤と混合して含浸させる。例えば、エ
ポキシ樹脂を用いる場合には、アミン等の硬化剤及びキ
シレン等の可塑剤を配合使用し、また、ポリエステル樹
脂を用いる場合は、触媒及び促進剤を配合使用する。The resin to be impregnated is preferably a thermosetting resin such as epoxy resin, phenol resin, polyester resin,
It may be a thermoplastic resin. Each of these resins is mixed with various additives as necessary and impregnated. For example, when an epoxy resin is used, a curing agent such as amine and a plasticizer such as xylene are blended and used, and when a polyester resin is used, a catalyst and an accelerator are blended and used.
樹脂の含浸量は目的とする活性炭素質成形体の形状、気
孔率、構造等に応じて適宜決定される。また、含浸方法
には特に制限はなく、スプレー方式、浸漬方式等、各々
方式を採用することができるが、好ましくは所望の成形
体形状に形を整えながら含浸させる方法が製造効率が良
く有利である。The amount of resin impregnated is appropriately determined according to the shape, porosity, structure, etc. of the target activated carbonaceous molded body. Further, the impregnation method is not particularly limited, and each method such as a spray method and a dipping method can be adopted, but a method of impregnation while adjusting the shape to a desired molded body shape is preferable because the manufacturing efficiency is high and advantageous. is there.
樹脂を含浸、成形して、用いた樹脂の硬化方法に従って
硬化させた後は、アルゴン等の非酸化性雰囲気にて焼結
する。焼結条件は、目的とする活性炭素質成形体の構造
等に応じて適宜決定されるが、通常の場合1000〜1500℃
の温度で10〜30分程度とする。After the resin is impregnated, molded, and cured according to the curing method of the resin used, it is sintered in a non-oxidizing atmosphere such as argon. Sintering conditions are appropriately determined depending on the structure of the target activated carbonaceous compact, etc., but usually 1000 to 1500 ° C.
10 to 30 minutes at the temperature.
このようにして得られた焼結体を、次いで賦活処理する
ことにより本発明の活性炭素質成形体が得られる。賦活
処理は通常の場合、二酸化炭素、水蒸気、空気、燃焼ガ
ス等の酸化性雰囲気中、600〜1000℃で10〜60分間行な
う。The activated carbonaceous compact of the present invention is obtained by subsequently subjecting the thus obtained sintered body to activation treatment. The activation treatment is usually carried out at 600 to 1000 ° C. for 10 to 60 minutes in an oxidizing atmosphere such as carbon dioxide, water vapor, air or combustion gas.
請求項（２）の活性炭素質成形体の製造方法は、VGCFを
賦活処理して得られる活性炭素繊維（以下「ACF」と言
う。）を用い、ACFに上記と同様にして樹脂を含浸、成
形硬化させ、得られた成形体を焼結することにより製造
される。なお、請求項（２）の活性炭素質成形体の製造
方法において、VGCFの賦活処理条件は請求項（１）にお
ける焼結体の賦活処理条件と同様であり、また、焼結条
件も請求項（１）の焼結条件と同様である。The method for producing an activated carbonaceous molded body according to claim (2) uses activated carbon fibers obtained by activating VGCF (hereinafter referred to as “ACF”), impregnating ACF with a resin in the same manner as above, and molding. It is manufactured by curing and sintering the obtained molded body. In the activated carbonaceous molded body manufacturing method of claim (2), the VGCF activation treatment conditions are the same as those of the sintered body of claim (1), and the sintering conditions are also claimed ( The sintering conditions are the same as in 1).
本発明の活性炭素質成形体の製造方法では、樹脂含浸量
や焼結条件を変えることにより、様々な形状、構造、気
孔率の活性炭素質成形体とすることができる。In the method for producing an activated carbonaceous compact of the present invention, the activated carbonaceous compact having various shapes, structures and porosities can be obtained by changing the resin impregnation amount and the sintering conditions.
例えば、第１図（ａ）に示す如く、形状寸法を整えた球
状のVGCF（又はACF）集合体１の表層部分に熱硬化性樹
脂２をスプレーコーティングすると共に造粒し、80〜15
0℃で加熱して硬化させた後、Ar雰囲気中、1000〜1500
℃で焼結し（第１図（ｂ））、得られた焼結体３を800
〜1000℃で賦活処理（ACFを用いた場合には賦活処理不
要）することにより、表層にACFよりなる多孔質殻４を
有し、内部にACF5の極細繊維が保有されたACFビーズ６
が製造される。For example, as shown in FIG. 1 (a), the thermosetting resin 2 is spray-coated on the surface layer portion of a spherical VGCF (or ACF) aggregate 1 whose shape and size are adjusted, and granulated at 80 to 15
After curing by heating at 0 ℃, 1000-1500 in Ar atmosphere
Sintered at 3 ℃ (Fig. 1 (b))
ACF beads 6 having a porous shell 4 made of ACF in the surface layer and having ultrafine fibers of ACF 5 in the inside by activating at ~ 1000 ° C (when ACF is used, activation is unnecessary).
Is manufactured.
このようなACFビーズ６は、ACFの吸着性能とその構造に
よる保水性（栄養分、酵素液、電解液、芳香液等）か
ら、溶液への目的成分の溶出剤（拡散移動）として水耕
栽培用肥料、農薬、保水剤として電極材料、バイオリア
クター充填剤、吸着剤として水処理剤、ガス処理剤等に
極めて有用である。Such ACF beads 6 are used for hydroponics as an eluent (diffusion transfer) of the target component from the water retention (nutrients, enzyme solution, electrolytic solution, aroma solution, etc.) due to the ACF adsorption performance and its structure. It is extremely useful for fertilizers, agricultural chemicals, electrode materials as water retention agents, bioreactor fillers, water treatment agents as adsorbents, gas treatment agents and the like.
また、ACF骨格よりなる球状体は、VGCF（又はACF）集合
体に樹脂を含浸方式にて完全に含浸させて焼結（VGCFの
場合には焼結後賦活処理）することにより得ることがで
きる。A spherical body composed of an ACF skeleton can be obtained by completely impregnating a VGCF (or ACF) aggregate with a resin by an impregnation method and sintering (in the case of VGCF, activation treatment after sintering). .
［作用］ VGCF又はACFに樹脂を含浸させることにより、VGCF又はA
CFを球状、角柱状、シート状、ペーパー状等任意の形状
に成形することが可能となり、これを焼結し、必要に応
じて賦活することにより、ACFで主として構成される活
性炭素質成形体が得られる。しかも、樹脂含浸量やその
後の焼結条件を適宜設定することにより、様々な構造、
気孔率の活性炭素質成形体を得ることができる。即ち、
中空構造としたり、ACFを骨格としたハニカム状構造、
スポンジ状構造等の任意の内部構造を形成することがで
きる。[Function] By impregnating VGCF or ACF with resin, VGCF or ACF
CF can be molded into any shape such as spherical shape, prismatic shape, sheet shape, paper shape, etc. By sintering this and activating it as necessary, an activated carbonaceous molded body mainly composed of ACF can be obtained. can get. Moreover, by appropriately setting the resin impregnation amount and the subsequent sintering conditions, various structures,
An activated carbonaceous molding having a porosity can be obtained. That is,
A hollow structure or a honeycomb structure with ACF as a skeleton,
Any internal structure such as a sponge structure can be formed.
［実施例］ 以下に実施例を挙げて本発明をより具体的に説明する。[Examples] The present invention will be described more specifically with reference to Examples.
実施例１ VGCF（平均繊維径0.05μｍ、アスペクト比100〜1000）
を粗砕、圧密して毛玉状とした後、表層にノボラック型
フェノール樹脂とエタノールとの混合液を含浸液の重量
比がVGCF:フェノール樹脂：エタノール＝0.04:1:1とな
る割合でスプレー含浸させて転動造粒した後１日風乾し
て成形した。その後、Ar雰囲気中、150℃で６時間加熱
して硬化させた。Example 1 VGCF (average fiber diameter 0.05 μm, aspect ratio 100 to 1000)
After crushing and compacting to make pills, the surface layer is impregnated with a mixed solution of novolac-type phenol resin and ethanol at a ratio such that the weight ratio of impregnating solution is VGCF: phenol resin: ethanol = 0.04: 1: 1. After rolling granulation, it was air-dried for 1 day for molding. Then, it was cured by heating at 150 ° C. for 6 hours in an Ar atmosphere.
次いで、Ar雰囲気中、20℃/minで1000℃まで昇温し、10
00℃にて15分間加熱して焼結した。焼結体をCO2雰囲気
中、800℃で30分間賦活処理し、第１図（ｃ）に示すよ
うなACFビーズ６（直径5mm、嵩密度0.09g/cm3）を得
た。Then, in Ar atmosphere, the temperature was raised to 1000 ° C at 20 ° C / min,
Sintered by heating at 00 ° C for 15 minutes. The sintered body was activated at 800 ° C. for 30 minutes in a CO 2 atmosphere to obtain ACF beads 6 (diameter 5 mm, bulk density 0.09 g / cm 3 ) as shown in FIG. 1 (c).
得られたACFビーズは、吸着性能、保水性能に優れ、吸
着剤、電極剤等として有効に使用することができた。The ACF beads obtained were excellent in adsorption performance and water retention performance, and could be effectively used as an adsorbent, an electrode agent, and the like.
［発明の効果］ 以上詳述した通り、本発明の活性炭素質成形体の製造方
法によれば、ACFより構成される成形体が所望の形状、
構造、気孔率等の任意の物性の成形体として容易に製造
される。[Effect of the Invention] As described in detail above, according to the method for producing an activated carbonaceous molded body of the present invention, the molded body composed of ACF has a desired shape,
It can be easily manufactured as a molded product having arbitrary physical properties such as structure and porosity.
しかして、本発明により製造される活性炭素質成形体
は、ACFの吸着性能や保水性等を利用して、吸着剤、電
極剤等の様々な用途に極めて有用であり、その物性の任
意性によりACFの応用分野を大幅に拡大するものであ
る。Thus, the activated carbonaceous molded article produced according to the present invention is extremely useful for various applications such as an adsorbent and an electrode agent by utilizing the adsorption performance and water retention property of ACF. It will greatly expand the application fields of ACF.
第１図（ａ）〜（ｃ）は本発明の一実施例に係る活性炭
素質成形体の製造手順を説明する模式的な断面図であ
る。 １…VGCF集合体、２…熱硬化性樹脂、 ３…焼結体、４…多孔質殻、 ５…ACF、６…ACFビーズ。1 (a) to 1 (c) are schematic cross-sectional views illustrating a procedure for manufacturing an activated carbonaceous molded body according to an embodiment of the present invention. 1 ... VGCF aggregate, 2 ... thermosetting resin, 3 ... sintered body, 4 ... porous shell, 5 ... ACF, 6 ... ACF beads.
Claims (2)
し、得られた成形体を非酸化性雰囲気にて焼結し、次い
で賦活処理することを特徴とする活性炭素質成形体の製
造方法。1. A method for producing an activated carbonaceous molded product, characterized in that vapor-grown carbon fiber is impregnated with a resin and molded, and the resulting molded product is sintered in a non-oxidizing atmosphere and then activated. Method.
含浸させて成形し、得られた成形体を非酸化性雰囲気に
て焼結することを特徴とする活性炭素質成形体の製造方
法。2. A method for producing an activated carbonaceous molded product, which comprises activating vapor-grown carbon fibers, impregnating the molded product with a resin, molding the product, and sintering the resulting molded product in a non-oxidizing atmosphere. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034693A JPH0686287B2 (en) | 1990-02-15 | 1990-02-15 | Method for producing activated carbonaceous compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034693A JPH0686287B2 (en) | 1990-02-15 | 1990-02-15 | Method for producing activated carbonaceous compact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03237010A JPH03237010A (en) | 1991-10-22 |
| JPH0686287B2 true JPH0686287B2 (en) | 1994-11-02 |
Family
ID=12421459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2034693A Expired - Lifetime JPH0686287B2 (en) | 1990-02-15 | 1990-02-15 | Method for producing activated carbonaceous compact |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0686287B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7504153B2 (en) | 2003-05-13 | 2009-03-17 | Showa Denko K.K. | Porous body, production method thereof and composite material using the porous body |
| JP5405438B2 (en) * | 2010-11-05 | 2014-02-05 | 株式会社ノリタケカンパニーリミテド | Method for producing porous carbon particles and porous carbon material comprising the particles |
-
1990
- 1990-02-15 JP JP2034693A patent/JPH0686287B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03237010A (en) | 1991-10-22 |
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