JPH0497970A - Production of porous body - Google Patents
Production of porous bodyInfo
- Publication number
- JPH0497970A JPH0497970A JP21123890A JP21123890A JPH0497970A JP H0497970 A JPH0497970 A JP H0497970A JP 21123890 A JP21123890 A JP 21123890A JP 21123890 A JP21123890 A JP 21123890A JP H0497970 A JPH0497970 A JP H0497970A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- plastic
- porous body
- plastic powder
- inorg
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000843 powder Substances 0.000 claims abstract description 45
- 229920003023 plastic Polymers 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 abstract description 5
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004793 Polystyrene Substances 0.000 abstract description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002113 barium titanate Inorganic materials 0.000 abstract description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052863 mullite Inorganic materials 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 229920002223 polystyrene Polymers 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 2
- 229910052596 spinel Inorganic materials 0.000 abstract description 2
- 239000011029 spinel Substances 0.000 abstract description 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- -1 polyethylene Polymers 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- GZVHEAJQGPRDLQ-UHFFFAOYSA-N 6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 GZVHEAJQGPRDLQ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- MWMBMDKWXVQCHY-UHFFFAOYSA-N C.OC(=O)C=C Chemical compound C.OC(=O)C=C MWMBMDKWXVQCHY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000003028 Stuttering Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Catalysts (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、無機物粉末によって気孔率の大きい多孔質体
全１３造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for producing a porous body with a high porosity using inorganic powder.
多孔質体の製造には、発泡する方法又は粉末會かためて
成形する方法が一般に広く行なわれ１いる。又、独立気
孔とするには発泡法が通し、連通気孔とするには粉末留
置め″′Ｃ成形する方法が通している。Porous bodies are generally produced by a foaming method or a powder compaction method. In addition, the foaming method is used to form closed pores, and the method of ``C molding'' using powder retention is used to form continuous pores.
近年は、無機物粉末音用い又連通気孔体を作ることが、
その特徴を活用する檀々の用途に利用されている。In recent years, it has become possible to use inorganic powder particles to create continuous pore bodies.
It is used for various purposes that take advantage of its characteristics.
しかしながら、Ｗ機物粉末奢用い又多孔質体會作るには
次の問題がある。すなわち、無機物粉末にバインター−
會加えて所望の形状に予備成形した抜、高温に加熱して
焼結するのが普通であるが、予備成形で気孔率を過大に
すると予備成形が難しくなりヶ望のものを得ることがで
きない。又、予備成形が旨くできたとし′Ｃも、無機物
粉末のみの光墳による気孔率より大きい気孔率ｋｉする
多孔倶体紮得ることは不可能である。However, there are the following problems when using W powder and making a porous body. In other words, binder is added to the inorganic powder.
Normally, the material is preformed into the desired shape, heated to high temperatures, and sintered, but if the porosity is increased during preforming, preforming becomes difficult and the desired shape cannot be obtained. . Furthermore, even if the preforming is successful, it is impossible to obtain a porous body with a porosity ki greater than that of a light mound made of only inorganic powder.
本発明は、無機物粉末により、かつ気孔率が大きい多孔
質体の製造方法を提供すること？目的とする。The present invention provides a method for producing a porous body using inorganic powder and having a high porosity. purpose.
上記の目的全達成するために、本発明は、無機物粉末と
グラスナック粉末との組付物全加熱し又プラスチック粉
禾奮分解除去すること７％像とする多孔質体の製造方法
である。In order to achieve all of the above objects, the present invention is a method for producing a porous body by completely heating the assembly of inorganic powder and glass snack powder and removing the plastic powder by vigorous decomposition.
無機物粉末とプラスチック粉末の混合は光分托均等に行
なう必要があるが、混合の方法に限定はない。多孔質体
を形成するには、予め所望の形に予備成形ｔする。その
ためには、上記混合粉末に有機バインダＶａ加し工予備
成形するか、成るいは予備加熱によってプラスチック粉
末ｔ−１１ｉ１！１ｌｆｆｉして予備成形する。Although it is necessary to mix the inorganic powder and the plastic powder evenly with light distribution, there is no limitation on the mixing method. To form a porous body, it is preformed into a desired shape. For this purpose, the mixed powder is preformed by processing with an organic binder Va, or alternatively, the mixed powder is preformed by preheating the plastic powder t-11i1!1lffi.
予備成形後、焼結炉中に人ｎて加熱し、プラスチック粉
末、バインダ全分解除去して多孔質体とする。焼結温度
は、無機物の種類により１異なるが、通常約１０００℃
である。After preforming, it is heated in a sintering furnace to completely decompose and remove the plastic powder and binder, forming a porous body. The sintering temperature varies depending on the type of inorganic material, but is usually about 1000℃.
It is.
プラスチック・粉末の粒子大きさ及び量は、無機物粉末
の大きさ及び所望の気孔ｙ＄ニ会わせて選択する必要が
ある。高温処理によってプラスチック粉末の大部分は分
解揮散し、焼結し”ＣＭ気孔率の界面構造金形収する。The particle size and amount of the plastic powder must be selected depending on the size of the inorganic powder and the desired pore size. Most of the plastic powder is decomposed and volatilized by high-temperature treatment and sintered to form a mold with an interfacial structure of CM porosity.
使用するプラスチックは、安価でバインダを使用する必
要なく、加熱溶融しやすいものが良い。The plastic used is preferably one that is inexpensive, does not require the use of a binder, and is easily melted by heating.
次に使用できる吃のを例示する。The following are examples of stuttering that can be used.
ポリエチレン、ポリプロピレン、ポリ１−ブテン、ポリ
４−メチルペンテン、エチレン−プロピレン共重合体、
エチレン−１−ブテン共重合体、プロピレン−１−ブテ
ン共重合体、エチレン−酢酸ヒニル共ｔｅ体、ポリテト
ラアルオロエチレン、テトラフルオａエチレン−フルオ
ロアルコキシエチレン共Ｍ付体、テトラフルオロエチレ
ン−トリ２ルオロクロルエテレン共重廿体、ポリ２ツ化
ビニリチン、ポリ２ツ化ビニル、ポリスチレン、アクリ
ロニトリル−スチレン共１せ体、アクリａ二トリル−ブ
タジェン−スチレン共Ｎ台体、ポリカーボネート、ポリ
メチルメタアクリレート、ポリビニルブチラール、ポリ
ビニルホルマール、ボリイξド、ポリアミド、ポリアミ
ドイミド、ボリフヱニレンサルファイド、ポリエーテル
サルホン、ポリサルホン、ボリアリレート、ポリエーテ
ルエーテルケトン、ポリ２エニレンオキサイド、ポリエ
ーテルアミド、ポリエーテルイミド、ポリイソブチレン
、ポリオ牛シベンジレン、ポリブチレンテレ２タレート
、ポリブタジェン、ポリエステル、ポリ塩化ビニル、ポ
リ塩化ビニリチン、尿素樹脂、メラミン樹脂、ベンゾグ
アナミン樹月腹、２エノール樹脂、エボ牛シ樹脂、シリ
コーン樹脂、ホルマリン樹脂、キシレン樹脂、２ラン樹
脂、ジアリルフタレート樹脂、ポリイソシアネート樹脂
、フェノキシ樹脂等て・あるが、これらに適宜変性して
使用することもでき、混合して使用することもできる。polyethylene, polypropylene, poly-1-butene, poly-4-methylpentene, ethylene-propylene copolymer,
Ethylene-1-butene copolymer, propylene-1-butene copolymer, ethylene-hinyl acetate co-te, polytetraalloethylene, tetrafluora-ethylene-fluoroalkoxyethylene co-M, tetrafluoroethylene-tri2 Fluorochloroethene copolymer, polyvinyritine ditide, polyvinyl ditide, polystyrene, acrylonitrile-styrene comonomer, acryl-a-nitrile-butadiene-styrene copolymer, polycarbonate, polymethyl methane Acrylate, polyvinyl butyral, polyvinyl formal, polyamide, polyamide, polyamideimide, polyethylene sulfide, polyether sulfone, polysulfone, polyarylate, polyether ether ketone, poly2-enylene oxide, polyether amide, polyether Imide, polyisobutylene, poliocybenzylene, polybutylene tere 2 talate, polybutadiene, polyester, polyvinyl chloride, polyvinylitine chloride, urea resin, melamine resin, benzoguanamine resin, 2-enol resin, evocybenzylene resin, silicone resin, There are formalin resins, xylene resins, 2-run resins, diallyl phthalate resins, polyisocyanate resins, phenoxy resins, etc., and these can be used after being modified as appropriate, or they can be used in combination.
又、必要によって架橋剤、硬化剤及び添加剤と共にｇ？
川し、プラスチック粉末粒子？他樹脂で被つして使用す
る。熱硬化性４１Ｉｌ脂を１更用する場合は、隣接する
樹脂粒子が相互に加熱接簿できる程度の硬化度合とする
。Also, if necessary, g?
River and plastic powder particles? Use by covering with other resin. When one more thermosetting 41Il resin is used, the degree of curing should be such that adjacent resin particles can be heated and bonded to each other.
無機物は、アルミナ、ムライト、マグネンア、ジルコニ
ア、ベリリア、トリア、スピネル、チタン酸バリウム等
の単体、化付物あるいは混合物上使用する。The inorganic materials used include alumina, mullite, magnenia, zirconia, beryllia, thoria, spinel, barium titanate, etc. alone, as a compound, or as a mixture.
本発明の方法においては、プラスチック粉末と無機物粉
末との混合粉末を、プラスチック粉末が熱溶融する程度
の温度で予備成形して第一次の多孔質体を得る。この時
の混合比はｘｉであるが実施例に示す例は、プラスチッ
ク粉末と無機物粉末との体積止音１対６とした。In the method of the present invention, a mixed powder of plastic powder and inorganic powder is preformed at a temperature that melts the plastic powder to obtain a primary porous body. The mixing ratio at this time was xi, but in the examples shown in the examples, the volume of the plastic powder and the inorganic powder was 1:6.
次に、第一次の多孔質体を約１０００℃に加熱すると、
プラスチックの大部分が分解揮散すると共に、分解残存
分と無機物界面との関係で第二次の多孔質体音形成する
。Next, when the first porous body is heated to about 1000°C,
Most of the plastic decomposes and evaporates, and a second porous body is formed in the relationship between the remaining part of the decomposition and the inorganic interface.
しかも、第二次の多孔質体は５５％の為気孔率を得る。Furthermore, the second porous body has a porosity of 55%.
これに反して、崗じ無機物のみケ便用して祷る多孔質体
の気孔率は４０〜４５％である。On the other hand, the porosity of porous bodies using only inorganic materials is 40 to 45%.
プラスチック粉末としてハイゼックスミリオン２４０Ｍ
（超高分子量ポリオン２イシバウダ平均籾径２００ ｕ
ｍ、三井石油製）を、無機物粉末とし１アルミナ粉末（
平均粒径１０ａｍ）ｋ用意した。これを体積比でプラス
チック粉床／無機物粉末が１７６となる割付で混合し、
−足厚みの７−ト状にして１８０℃の空気中に入れて予
備成形した。次忙、これ七８００℃でＩ！＃、結してプ
ラスチック粉末を熱分解し、セラミック多孔質体シート
を得た。HIZEX MILLION 240M as plastic powder
(Ultra high molecular weight polyon 2 Ishibauda average grain diameter 200 u
m, made by Mitsui Oil Co., Ltd.) as an inorganic powder and 1 alumina powder (
An average particle size of 10 am) was prepared. This was mixed with a volume ratio of plastic powder bed/inorganic powder of 176,
- It was made into a 7-tread shape with a foot thickness and was preformed by placing it in air at 180°C. Next busy, this is 7,800 degrees Celsius! #The plastic powder was thermally decomposed to obtain a porous ceramic sheet.
得た多孔質体の気孔′４は約５５％となり、上記のアル
ξす粉本のみの充填粒体の気孔率よりも大きい結果ケ得
た。The porosity of the obtained porous material was about 55%, which was higher than the porosity of the packed granules containing only the Al ξ powder described above.
本発明の方法によると、実施例の結果で明らかなように
、プラスチック粉末會混台することによって無機物粉末
のみの充填気孔率より大きい数値ｉ［ろことができた。According to the method of the present invention, as is clear from the results of the examples, by mixing the plastic powder, it was possible to obtain a value i larger than the filling porosity of the inorganic powder alone.
かつ、グラスチック粉本の混合量全没えて気孔率′に調
節することが用油であること？確しした。Also, is it necessary to adjust the porosity by submerging the entire amount of glass powder mixed into the oil? Confirmed.
Claims (1)
をプラスチック粉末が融着する程度の温度で加熱加圧し
て一次多孔質体とした後、さらにこれを高温加熱してプ
ラスチック粉末を分解揮散することを特徴とする多孔質
体の製造方法。It is characterized by heating and pressing a homogeneous mixed powder consisting of inorganic powder and plastic powder at a temperature that fuses the plastic powder to form a primary porous body, and then heating this at a high temperature to decompose and volatilize the plastic powder. A method for producing a porous body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21123890A JPH0497970A (en) | 1990-08-09 | 1990-08-09 | Production of porous body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21123890A JPH0497970A (en) | 1990-08-09 | 1990-08-09 | Production of porous body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0497970A true JPH0497970A (en) | 1992-03-30 |
Family
ID=16602576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21123890A Pending JPH0497970A (en) | 1990-08-09 | 1990-08-09 | Production of porous body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0497970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004091267A (en) * | 2002-08-30 | 2004-03-25 | Ebara Corp | Porous body, and composite material and pump part using the same |
-
1990
- 1990-08-09 JP JP21123890A patent/JPH0497970A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004091267A (en) * | 2002-08-30 | 2004-03-25 | Ebara Corp | Porous body, and composite material and pump part using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0693961B1 (en) | Method for the production of ceramic hollow fibre membranes for microfiltration, ultrafiltration and gas separation | |
| KR930008110B1 (en) | Fluid filtering method and composite membrane | |
| KR850001136A (en) | Porous ceramic material and its manufacturing method | |
| JPH0231649B2 (en) | ||
| KR20080083693A (en) | Powder injection molding method of glass and glass-ceramics | |
| ATE25487T1 (en) | POROUS SINTERGLASS WITH LARGE OPEN PORES. | |
| ATE120114T1 (en) | METHOD FOR PRODUCING MOLDED BODIES FROM MIXTURES OF HEAT-CURBABLE BINDERS AND POWDERS WITH DESIRED CHEMICAL PROPERTIES. | |
| JP2000510807A (en) | Stabilization of sintered foam and production of open-cell sintered foam | |
| JPS6166730A (en) | Production of porous material of polytetrafluoroethylene resin | |
| KR890010253A (en) | Sintered Magnesium Composites and Their Manufacturing Processes | |
| AU1066900A (en) | Porous ceramic matrices, e.g. for catalysts | |
| JPH0497970A (en) | Production of porous body | |
| JPH02137779A (en) | Manufacture of porous molded article | |
| KR910007819A (en) | Manufacturing method of machineable ceramics | |
| JPH0465372A (en) | Production of high strength porous ceramics | |
| DE69317701D1 (en) | Polymer powder containing reinforcing material and crosslinked with metal ions, process for the production thereof, composite material made of polymers crosslinked with metal ions and process for the production of composite materials | |
| JPS60118663A (en) | Manufacture of dewaxing agent for ceramic injection formation | |
| KR930002426A (en) | Polytetrafluoroethylene film and method for preparing same | |
| JPS5918414B2 (en) | Manufacturing method for plastic bonded magnetic molded body | |
| JPH03247549A (en) | Vessel | |
| JPH01234375A (en) | Ceramic porous body and its production | |
| JPH03109277A (en) | Production of porous ceramics | |
| JPS6250401A (en) | Molding method for granular particle | |
| JPH01239071A (en) | Production of ceramic porous material | |
| Vlachopoulos et al. | Melting and densification of thermoplastic powders |