JP6573636B2 - 焼結成形体の製造方法 - Google Patents
焼結成形体の製造方法 Download PDFInfo
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- JP6573636B2 JP6573636B2 JP2016571057A JP2016571057A JP6573636B2 JP 6573636 B2 JP6573636 B2 JP 6573636B2 JP 2016571057 A JP2016571057 A JP 2016571057A JP 2016571057 A JP2016571057 A JP 2016571057A JP 6573636 B2 JP6573636 B2 JP 6573636B2
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
- B22F3/1025—Removal of binder or filler not by heating only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/24—Producing shaped prefabricated articles from the material by injection moulding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/02—Polyacetals containing polyoxymethylene sequences only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/04—Copolyoxymethylenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/12—Gaseous compositions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/45—Others, including non-metals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Powder Metallurgy (AREA)
Description
B.)B1.)成分Bの総量に対して50〜98質量%の1種または複数種のポリオキシメチレンのホモポリマーまたはコポリマー、
B2.)成分Bの総量に対して2〜35質量%の1種または複数種のポリオレフィン、
B3.)成分Bの総量に対して0〜40質量%のポリ−1,3−ジオキソラン、ポリ−1,3−ジオキセパンもしくはポリテトラヒドロフランまたはそれらの混合物
の混合物を含むバインダーであって、B1.)、B2.)およびB3.)の合計は100質量%になるバインダー30〜60体積%と
を含む混合物(供給原料)を使用することが好ましい。
B1.)50〜98質量%の1種または複数種のポリオキシメチレンのホモポリマーまたはコポリマー、
B2.)2〜35質量%の1種または複数種のポリオレフィン、
B3.)0〜40質量%のポリ−1,3−ジオキソラン、ポリ−1,3−ジオキセパンもしくはポリテトラヒドロフランまたはそれらの混合物
を含み、B1.)、B2.)およびB3.)の合計は100質量であることが好ましい。
−成分B1.1として、60000超〜200000g/molの範囲の質量平均モル質量(Mw)を有する10〜90質量%のポリオキシメチレンのホモポリマーまたはコポリマー、および
−成分B1.2として、10000〜60000g/molの範囲の質量平均モル質量(Mw)を有する10〜90質量%のポリオキシメチレンコポリマー。
の繰り返し単位も有することが好ましい。前記基は、環状エーテルの開環を介して、コポリマー内に有利に導入することができる。好ましい環状エーテルは、式
を有するものである。単に一例として、エチレンオキシド、プロピレン−1,2−オキシド、ブチレン1,2−オキシド、ブチレン1,3−オキシド、1,3−ジオキサン、1,3−ジオキソラン、および1,3−ジオキセパン(=ブタンジオールホルマール、BUFO)を環状エーテルとして挙げてもよく、ポリジオキソランもしくはポリジオキセパン等の直鎖のオリゴホルマールまたはポリホルマールをコモノマーとして挙げてもよい。
の二官能価化合物である。
メタンスルホン酸+ギ酸
メタンスルホン酸+水
シュウ酸+ギ酸
シュウ酸+水
が挙げられる。
Claims (8)
- 焼結成形体の製造方法であって、
A)焼結可能な金属粉体もしくは焼結可能な合金粉体またはそれらの混合物と、バインダーとしてのB1)ポリオキシメチレンまたは主ポリマー鎖中に少なくとも50mol%の−CH2O−繰り返し単位を有するポリオキシメチレンコポリマーとを含む混合物を成形して圧密体を得ること、気体状酸または液体酸を用いた処理により圧密体からバインダーを除去して成形体を得ること、ならびに成形体を焼結することを含み、
前記酸が、メタンスルホン酸または、水、C1〜4−カルボン酸およびそれらの混合物から選択される溶媒中のメタンスルホン酸、シュウ酸、もしくはそれらの混合物の溶液から選択され、成分B1は成分B1.1及び成分B1.2を含み、
成分B1.1として、60000超〜200000g/molの範囲の質量平均モル質量(Mw)を有するポリオキシメチレンのホモポリマーまたはコポリマー10〜90質量%を使用し、
成分B1.2として、10000〜60000g/molの範囲の質量平均モル質量(Mw)を有するポリオキシメチレンコポリマー10〜90質量%とを含む熱可塑性組成物を使用し、分子量が、ゲル透過クロマトグラフィーによって決定される、方法。 - 酸/溶媒混合物中のメタンスルホン酸、シュウ酸またはそれらの混合物の量が、1〜100質量%の範囲である、請求項1に記載の方法。
- 前記C1〜4−カルボン酸が、ギ酸、酢酸およびプロピオン酸から選択される、請求項1または2に記載の方法。
- 水、C1〜4−カルボン酸およびそれらの混合物から選択される溶媒中のメタンスルホン酸、シュウ酸、またはそれらの混合物の溶液から選択される気体状酸を用いた処理により前記バインダーを除去する、請求項1から3のいずれか一項に記載の方法。
- 前記金属粉末が、Cu、Mg、AlおよびMgAl合金から選択される、請求項1から4のいずれか一項に記載の方法。
- A)焼結可能な金属粉体もしくは焼結可能な合金粉体またはそれらの混合物40〜70体積%と、
B)
B1)成分Bの総量に対して50〜98質量%の1種または複数種のポリオキシメチレンまたは主ポリマー鎖中に少なくとも50mol%の−CH 2 O−繰り返し単位を有するポリオキシメチレンコポリマー、
B2)成分Bの総量に対して2〜35質量%の1種または複数種のポリオレフィン、
B3)成分Bの総量に対して0〜40質量%のポリ−1,3−ジオキソラン、ポリ−1,3−ジオキセパンもしくはポリテトラヒドロフランまたはそれらの混合物の混合物を含むバインダーであって、B1)、B2)およびB3)の合計は100質量%になるバインダー30〜60体積%とを含む混合物を使用する、請求項1から5のいずれか一項に記載の方法。 - ポリマーに対して少なくとも90質量%の成分B1.1が、モノマーとしてのトリオキサンおよび任意にブタンジオールホルマール、好ましくはモノマーとしてのトリオキサンおよびブタンジオールホルマールに由来し、ブタンジオールホルマールの割合が、ポリマーに対して1〜5質量%、好ましくは2〜3.5質量%、特に2.5〜3質量%の範囲である、請求項1に記載の方法。
- 前記バインダーが、大気圧下または減圧下で除去される、請求項1から7のいずれか一項に記載の方法。
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PCT/EP2015/062057 WO2015185468A1 (en) | 2014-06-02 | 2015-06-01 | Process for the production of sintered moldings |
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CN109956756A (zh) * | 2017-12-25 | 2019-07-02 | 东莞华晶粉末冶金有限公司 | 一种pom基陶瓷注射成型材料及其制备方法 |
US11752471B2 (en) * | 2019-07-19 | 2023-09-12 | Entegris, Inc. | Porous sintered membranes and methods of preparing porous sintered membranes |
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WO2022200170A1 (en) * | 2021-03-22 | 2022-09-29 | Basf Se | Mim feedstock and process for manufacturing of metal parts with improved yield strength and ductility |
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JPS59227916A (ja) | 1983-06-08 | 1984-12-21 | Polyplastics Co | トリオキサンの重合体及び共重合体の製造法 |
JPS601216A (ja) | 1983-06-17 | 1985-01-07 | Polyplastics Co | トリオキサンの共重合体製造法 |
JP3128130B2 (ja) | 1989-08-16 | 2001-01-29 | ビーエーエスエフ アクチェンゲゼルシャフト | 無機焼結成形体の製造方法 |
DE4007345A1 (de) | 1990-03-08 | 1991-09-12 | Basf Ag | Thermoplastische massen fuer die herstellung metallischer formkoerper |
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US20060099103A1 (en) * | 2002-10-29 | 2006-05-11 | Basf Aktiengesellschaft | Metal powder injection molding material and metal powder injection molding method |
US20090288739A1 (en) * | 2006-07-13 | 2009-11-26 | Basf Se | Binder-comprising thermoplastic compositions for producing shaped metallic bodies |
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WO2015185468A1 (en) | 2015-12-10 |
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