JP2011506238A - 原料および原料を調製する方法 - Google Patents
原料および原料を調製する方法 Download PDFInfo
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- JP2011506238A JP2011506238A JP2010536420A JP2010536420A JP2011506238A JP 2011506238 A JP2011506238 A JP 2011506238A JP 2010536420 A JP2010536420 A JP 2010536420A JP 2010536420 A JP2010536420 A JP 2010536420A JP 2011506238 A JP2011506238 A JP 2011506238A
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- 239000002994 raw material Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000012535 impurity Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims description 73
- 239000000945 filler Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 17
- 238000001746 injection moulding Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 229920003169 water-soluble polymer Polymers 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 229910010293 ceramic material Inorganic materials 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【選択図】図1
Description
Ba1−x−yMxDyTi1−a−bNaMnbO3
を有し、ここで、パラメータは好ましくは以下のように定められる。
x=0から0.5、
y=0から0.01、
a=0から0.01、および、
b=0から0.01。
Claims (15)
- 焼結によって、電気抵抗の温度係数が正であるセラミックに変換可能なセラミック充填材と、
前記セラミック充填材を結合するための母材であって、前記セラミック充填材の融点よりも低い融点を有する前記母材と、
金属不純物と、を有し、原料中の前記金属不純物の含有量が10ppmよりも低い、
射出成形のための原料。 - 前記セラミック充填材が組成式Ba1−x−yMxDyTi1−a−bNaMnbO3を有する材料からなり、ここで、
x=0から0.5、
y=0から0.01、
a=0から0.01、および、
b=0から0.01、
であり、
Mは2価の陽イオンからなり、Dは3価または4価のドナーからなり、Nは5価または6価の陽イオンからなる、請求項1に記載の原料。 - 焼結された前記セラミックが25℃で3Ωcmから30000Ωcmの抵抗率を有する、請求項1に記載の原料。
- 前記母材の含有量が20重量パーセント以下である、請求項1に記載の原料。
- 前記母材が、ろう、樹脂、熱可塑性プラスチック、および水溶性高分子化合物からなる群から選ばれた材料からなる、請求項4に記載の原料。
- 前記母材がさらに、潤滑剤、可塑剤および酸化防止剤から選ばれた少なくとも1つの成分を含む、請求項5に記載の原料。
- 前記金属不純物が、Fe、Al、Ni、CrおよびWから選ばれた金属からなる、請求項1に記載の原料。
- A)焼結によって、電気抵抗の温度係数が正であるセラミックに変換可能なセラミック充填材を調製するステップと、
B)前記セラミック充填材を、前記セラミック充填材を結合するための母材と混合するステップと、
C)前記セラミック充填材および前記母材を含む粒子を生成するステップと、を有し、
ステップA)、B)およびC)において、摩耗によって発生する不純物が10ppm未満である原料が調製されるように摩耗の程度が小さい工具が用いられる、
射出成形のための原料を調製する方法。 - ステップA)において、前記セラミック充填材の基材が混合され、か焼され、および粉末に挽かれる、請求項8に記載の方法。
- 前記基材がBaCO3、TiO2、Mnイオンを含む溶液、Yイオンを含む溶液、およびSiO2、CaCO3、SrCO3およびPb3O4からなる群から選ばれた少なくとも1つを含む、請求項9に記載の方法。
- ステップB)が、40℃から200℃の間の温度で実施される、請求項8に記載の方法。
- ステップC)において、前記セラミック充填材と前記母材との混合物が、室温または温度上昇中において小片へと細かくされる、請求項8に記載の方法。
- ステップA)、B)およびC)において、工具が双ロールのミル、スクリュー1つの押し出し機、スクリュー2つの押し出し機、ボールミル、ブレード形のミキサーからなる群から選ばれる、請求項8に記載の方法。
- 前記セラミック充填材と接触可能な工具の表面が、硬い被覆を有する、請求項13に記載の方法。
- 前記被覆が炭化タングステンを含む、請求項14に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/950,744 US9034210B2 (en) | 2007-12-05 | 2007-12-05 | Feedstock and method for preparing the feedstock |
PCT/EP2008/066545 WO2009071512A1 (en) | 2007-12-05 | 2008-12-01 | Feedstock and method for preparing the feedstock |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011506238A true JP2011506238A (ja) | 2011-03-03 |
Family
ID=40373526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010536420A Pending JP2011506238A (ja) | 2007-12-05 | 2008-12-01 | 原料および原料を調製する方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9034210B2 (ja) |
EP (1) | EP2217545B1 (ja) |
JP (1) | JP2011506238A (ja) |
KR (1) | KR20100098679A (ja) |
CN (1) | CN101888984A (ja) |
BR (1) | BRPI0820033B1 (ja) |
RU (1) | RU2477261C2 (ja) |
WO (1) | WO2009071512A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103172368B (zh) * | 2011-12-20 | 2014-10-08 | 比亚迪股份有限公司 | 一种ptc热敏电阻及其制备方法 |
KR101602880B1 (ko) * | 2014-06-18 | 2016-03-11 | (주)유니플라텍 | 고분자 수계 에멀전 전도성 조성물을 이용한 피티씨 소자의 제조 방법과, 그 제조 방법에 의해 제조된 피티씨 소자 및 그 피티씨 소자가 구비된 면상 발열체 |
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BRPI0820033A2 (pt) | 2015-05-26 |
EP2217545A1 (en) | 2010-08-18 |
US9034210B2 (en) | 2015-05-19 |
RU2010127238A (ru) | 2012-01-10 |
CN101888984A (zh) | 2010-11-17 |
KR20100098679A (ko) | 2010-09-08 |
WO2009071512A1 (en) | 2009-06-11 |
BRPI0820033B1 (pt) | 2019-03-12 |
RU2477261C2 (ru) | 2013-03-10 |
EP2217545B1 (en) | 2016-06-15 |
US20090146116A1 (en) | 2009-06-11 |
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