JPH03237010A - Production of activated carbon-based formed body - Google Patents
Production of activated carbon-based formed bodyInfo
- Publication number
- JPH03237010A JPH03237010A JP2034693A JP3469390A JPH03237010A JP H03237010 A JPH03237010 A JP H03237010A JP 2034693 A JP2034693 A JP 2034693A JP 3469390 A JP3469390 A JP 3469390A JP H03237010 A JPH03237010 A JP H03237010A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- bodies
- activated carbon
- carbon fibers
- acf
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 239000002134 carbon nanofiber Substances 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 230000004913 activation Effects 0.000 claims abstract description 10
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 230000003213 activating effect Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 239000011324 bead Substances 0.000 abstract description 6
- 239000002344 surface layer Substances 0.000 abstract description 4
- 239000003822 epoxy resin Substances 0.000 abstract description 3
- 229920000647 polyepoxide Polymers 0.000 abstract description 3
- 239000004014 plasticizer Substances 0.000 abstract description 2
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 2
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- -1 xylene are used Chemical class 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
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。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing an activated carbonaceous molded body, and particularly to a method for producing an activated carbonaceous molded body that can be molded into any 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ｒＡｃ
ＦＪ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, namely activated carbon fiber (rAc
My name is FJ. ) has excellent adsorption performance,
Demand is increasing in various fields.
［発明が解決しようとする課Ｂ］
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、バイブ状のものが殆どで
あり、このためＡＣＦの用途にも制限があった。[Problem B to be Solved by the Invention] Since the ACF-based molded product is in the form of long fibers, the shape of the molded product is limited. Most of the conventional ACF molded bodies are felt-like, paper-like, or vibrator-like, and therefore, the uses of ACF are also limited.
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 provide a method for manufacturing an activated carbon molded body that can be molded into any 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特
以下に本発明の詳細な説明する。[Means for Solving the Problems] The method for producing an activated carbonaceous molded body according to claim (1) includes impregnating vapor-grown carbon fibers with a resin and molding the resulting molded body in a non-oxidizing atmosphere. The method for producing an activated carbonaceous molded body according to claim (2), which comprises sintering and then performing an activation treatment, comprises activating vapor-grown carbon fibers and then impregnating them with a resin and molding them. The present invention will now be described in detail, particularly in that it is characterized in that the body is sintered in a non-oxidizing atmosphere.
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、ｒＶＧｃＦＪ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, it will be referred to as rVGcFJ. ) is used as a raw material, which is coarsely crushed and compacted as necessary, and then impregnated with resin and molded and hardened.
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ｆ！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 an epoxy resin, a phenol resin, or a polyester resin, but a thermoplastic resin may also be used. Each of these resins can be used for each f! Mix with additives and impregnate. For example, when an epoxy resin is used, a curing agent such as an amine and a plasticizer such as xylene are used, and when a polyester resin is used, a catalyst and an accelerator are 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。The amount of resin impregnated is appropriately determined depending on the shape, porosity, structure, etc. of the intended activated carbonaceous molded body.
また、含浸方法には特に制限はなく、スプレ一方式、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。There is no particular restriction on the impregnation method, and various methods such as a one-way spray method and a dipping method can be adopted, but it is preferable to use a method of impregnating the product while shaping it into the desired shape, as this method has good manufacturing efficiency and is advantageous. It is.
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１０００〜１
５００℃の温度で１０〜３０分程度とする。After being impregnated with resin, molded, and cured according to the curing method of the resin used, it is sintered in a non-oxidizing atmosphere such as argon. The sintering conditions are appropriately determined depending on the structure of the target activated carbonaceous molded body, but usually 1000 to 1
The heating time is about 10 to 30 minutes at a temperature of 500°C.
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１０〜６
０分間行なう。The activated carbonaceous molded body of the present invention can be obtained by subsequently subjecting the thus obtained sintered body to an activation treatment. Activation treatment is usually performed at 600 to 1000°C in an oxidizing atmosphere such as carbon dioxide, water vapor, air, or combustion gas for 10 to 6
Do this for 0 minutes.
請求項（２）の活性炭素質成形体の製造方法は、ＶＧＣ
Ｆを賦活処理して得られる活性炭素繊維（以下ｒＡＣＦ
Ｊ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。The method for producing an activated carbonaceous molded body according to claim (2) includes VGC
Activated carbon fiber (rACF) obtained by activating F
Say J. ), ACF is impregnated with resin in the same manner as above, molded and hardened, and the obtained molded body is sintered.
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てあり、また、焼結条件も
請求項（１）の焼結条件と同様である。In addition, in the method for producing an activated carbonaceous molded body according to claim (2), the activation treatment conditions for VGCF are similar to the activation treatment conditions for the sintered body in claim (1), and the sintering conditions are also as in claim (1). 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 molded body of the present invention, activated carbonaceous molded bodies with various shapes, structures, and porosity can be produced by changing the amount of resin impregnated 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
、８０〜１５０℃で加熱して硬化させた後、Ａｒ雰囲気
中、１０００〜１５００℃で焼結しく第１図（ｂ））、
得られた焼結体３を８００〜１０００℃で賦活処理（Ａ
ＣＦ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ＡＣＦ
５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), a thermosetting resin 2 is spray-coated on the surface layer of a spherical VGCF (or ACF) aggregate 1 with adjusted dimensions, and then granulated at 80 to 150°C. After heating and hardening, sintering is performed at 1000 to 1500°C in an Ar atmosphere (Fig. 1(b)).
The obtained sintered body 3 was subjected to activation treatment (A
When using CF, no activation treatment is required),
It has a porous shell 4 made of ACF on the surface layer and ACF inside.
ACF beads 6 containing ultrafine fibers 5 are produced.
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 suitable for hydroponic cultivation as an elution agent (diffusion transfer) of target components into the solution due to the adsorption performance of ACF and water retention due to its structure (nutrients, enzyme solution, electrolyte solution, aromatic solution, etc.). It is extremely useful for fertilizers, agricultural chemicals, water retention agents, electrode materials, bioreactor fillers, adsorbents for water treatment agents, gas treatment agents, etc.
また、ＡＣＦ骨格よりなる球状体は、ＶＧＣＦ（又はＡ
ＣＦ）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！Ａ埋）することに
より得ることができる。In addition, the spherical body consisting of the ACF skeleton is VGCF (or ACF
It can be obtained by completely impregnating a CF) aggregate with a resin using an impregnation method and sintering it (in the case of VGCF, activating after sintering! A filling).
［作用コ
ＶＧＣＦ又はＡＣＦに樹脂を含浸させることにより、Ｖ
ＧＣＦ又はＡＣＦ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。[Action method: By impregnating VGCF or ACF with resin, V
It is now possible to mold GCF or ACF into any shape such as spherical, prismatic, sheet, paper, etc. By sintering this and activating it as necessary, activated carbon molding mainly composed of ACF can be made. You get a body. Moreover,
By appropriately setting the amount of resin impregnated and the subsequent sintering conditions, activated carbonaceous molded bodies with various structures and porosity can be obtained. That is, any internal structure can be formed, such as a hollow structure, a honeycomb-like structure using ACF as a skeleton, or a sponge-like structure.
［実施例コ 以下に実施例を挙げて本発明をより具体的に説明する。[Example code] EXAMPLES The present invention will be explained in more detail with reference to Examples below.
実施例Ｉ
ＶＧＣＦ （平均繊維径０．０５μｍ、アスペクト比１
００〜１０００）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
液を含浸後の重量比が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
させて転勤造粒した後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 I VGCF (average fiber diameter 0.05 μm, aspect ratio 1
00 to 1000) was roughly crushed and compacted to form a fluff, and the surface layer was impregnated with a mixture of novolak type phenol resin and ethanol, and the weight ratio was VGCF:phenol resin:ethanol = 0.04:1:1. After spray impregnation at a ratio of 100% and granulating by transfer, it was air-dried for 1 day and molded. after that,
It was cured by heating at 150° C. for 6 hours in an Ar atmosphere.
次いで、Ａｒ雰囲気中、２０℃／ ｍ ｉ ｎて１００
０℃まで昇温し、１０００℃にて１５分間加熱して焼結
した。焼結体をＣＯ２雰囲気中、ａＯＯ℃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／ｃｒｎ’）を得た。Then, in an Ar atmosphere at 20°C/min for 100
The temperature was raised to 0°C, and sintering was performed by heating at 1000°C for 15 minutes. The sintered body was activated at aOO℃ for 30 minutes in a CO2 atmosphere, and ACF beads 6 (
A sample having a diameter of 5 mm and a bulk density of 0.09 g/crn' was obtained.
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 obtained ACF beads have excellent adsorption performance and water retention performance,
It could be effectively used as an adsorbent, an electrode agent, etc.
［発明の効果コ
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。[Effects of the Invention] As detailed above, according to the method for producing an activated carbonaceous molded body of the present invention, a molded body composed of ACF can be formed into a molded body having arbitrary physical properties such as desired shape, structure, and porosity. Easily manufactured.
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。Therefore, the activated carbonaceous molded body produced according to the present invention is extremely useful for various uses such as adsorbents and electrode materials by taking advantage of the adsorption performance and water retention properties of ACF, and due to the arbitrary nature of its physical properties. This greatly expands the field of application 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・・・多孔質膜、５・
・・ＡＣＦ、 ６・・・ＡＣＦビーズ。FIGS. 1(a) to 1(C) are schematic cross-sectional views illustrating a manufacturing procedure of an activated carbon molded body according to an embodiment of the present invention. 1... VGCF aggregate, 2... thermosetting resin,
3... Sintered body, 4... Porous membrane, 5...
...ACF, 6...ACF beads.
Claims (2)
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 body, which comprises impregnating vapor-grown carbon fiber with a resin and molding it, sintering the resulting molded body in a non-oxidizing atmosphere, and then subjecting it to activation treatment.
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 body, which comprises activating vapor-grown carbon fibers, impregnating them with a resin, molding them, and sintering the resulting molded body 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 true JPH03237010A (en) | 1991-10-22 |
| JPH0686287B2 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004101664A3 (en) * | 2003-05-13 | 2005-05-26 | Showa Denko Kk | Porous body, production method thereof and composite material using the porous body |
| JP2012101950A (en) * | 2010-11-05 | 2012-05-31 | Noritake Co Ltd | Method for producing porous carbon particle, and porous carbon material including the particle |
-
1990
- 1990-02-15 JP JP2034693A patent/JPH0686287B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004101664A3 (en) * | 2003-05-13 | 2005-05-26 | Showa Denko Kk | Porous body, production method thereof and composite material using the porous body |
| US7504153B2 (en) | 2003-05-13 | 2009-03-17 | Showa Denko K.K. | Porous body, production method thereof and composite material using the porous body |
| EP2264088A3 (en) * | 2003-05-13 | 2013-10-09 | Showa Denko K.K. | Porous body, production method thereof and composite material using the porous body |
| JP2012101950A (en) * | 2010-11-05 | 2012-05-31 | Noritake Co Ltd | Method for producing porous carbon particle, and porous carbon material including the particle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0686287B2 (en) | 1994-11-02 |
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