JPH0811271B2 - 発熱性組成物 - Google Patents

発熱性組成物

Info

Publication number
JPH0811271B2
JPH0811271B2 JP9962087A JP9962087A JPH0811271B2 JP H0811271 B2 JPH0811271 B2 JP H0811271B2 JP 9962087 A JP9962087 A JP 9962087A JP 9962087 A JP9962087 A JP 9962087A JP H0811271 B2 JPH0811271 B2 JP H0811271B2
Authority
JP
Japan
Prior art keywords
composition according
exothermic composition
exothermic
fiber
fluorine
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
Application number
JP9962087A
Other languages
English (en)
Other versions
JPS62257979A (ja
Inventor
マツクス・ゲルハルド・ニユ
ミカエル・ジヨン・ゴウグ
Original Assignee
フオセコ・インタ−ナシヨナル・リミテツド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by フオセコ・インタ−ナシヨナル・リミテツド filed Critical フオセコ・インタ−ナシヨナル・リミテツド
Publication of JPS62257979A publication Critical patent/JPS62257979A/ja
Publication of JPH0811271B2 publication Critical patent/JPH0811271B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
    • B22C1/04—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for protection of the casting, e.g. against decarbonisation
    • 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
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B22D27/06—Heating the top discard of ingots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/06—Ingot moulds or their manufacture
    • B22D7/10—Hot tops therefor
    • B22D7/104—Hot tops therefor from exothermic material only
    • 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
    • C04B35/10—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 aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • 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
    • C04B35/14—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 silica
    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in aluminium oxide
    • 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
    • C04B35/6303—Inorganic additives
    • C04B35/6316—Binders based on silicon 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
    • C04B35/622—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
    • 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
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63436—Halogen-containing polymers, e.g. PVC
    • 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
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
    • C04B35/651—Thermite type sintering, e.g. combustion sintering
    • 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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
    • C04B2235/445—Fluoride containing anions, e.g. fluosilicate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/522—Oxidic
    • C04B2235/5228—Silica and alumina, including aluminosilicates, e.g. mullite
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/522—Oxidic
    • C04B2235/5232—Silica or silicates other than aluminosilicates, e.g. quartz

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Cookers (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
  • Mold Materials And Core Materials (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Saccharide Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Description

【発明の詳細な説明】 この発明は、発熱性組成物、とくに溶融金属の鋳造に
用いられる発熱性組成物に関するものである。
溶融金属が鋳型内に注入されて凝固するときには、溶
融金属は凝固の間に収縮し、その体積が減少する。この
収縮を補ない完全な鋳物を確実に作るためには、鋳物の
上方又は側方に付設されるいわゆる押湯の使用が一般に
必要となる。鋳物が凝固し収縮するときには、溶融金属
が押湯から鋳物へ供給されて、収縮による空洞の生成を
防ぐ。押湯効果を増強し、押湯体積を最も小さくするこ
とを可能にするために、発熱性又は発熱性で断熱性の組
成物で押湯空所従つて押湯そのものを包囲し、発熱性組
成物ができるだけ長い時間押湯金属を溶融状態に保持す
ることが、一般の慣行である。
また、同じ理由によつて、インゴツト例えばスチール
インゴツトの鋳造の場合に、インゴツト鋳型の頂部又は
インゴツト鋳型に付設されたヘツドボツクスを、発熱性
組成物又は発熱性で断熱性組成物で内張りすることが、
一般の慣行である。
これら２つの用途において、発熱性組成物又は発熱性
で断熱性組成物は、鋳造工場における鋳型の押湯を内張
りするためには円筒状スリーブ状に成形し、インゴツト
鋳型の頂部又はヘツドボツクスを内張りするために板状
に成形して、使用されるのが普通である。
発熱性組成物又は発熱性で断熱性組成物は、また板に
成形されて、又は例えば（パイプ発生防止用化合物とし
て知られた）粉末又は粒子のような粒子の形として、鋳
造用鋳型又はインゴツト鋳型又はインゴツト鋳型のヘツ
ドボツクス内の溶融金属表面を覆うのに用いられる。
上述した用途に用いられる発熱性組成物は、容易に酸
化する金属、通常アルミニウムと、それに対する酸化剤
例えば酸化鉄、硝酸ソーダ、又は二酸化マンガンとで実
質的に構成されるのが普通である。その組成物は、粒子
状の耐火性充填材を含み、さらに成形体として用いられ
るときには結合剤を含むのが普通である。断熱性である
とともに発熱性でなければならない成形体は、繊維状材
料及び／又は軽量の粒子状耐火材を含むのが普通であ
る。
発熱性組成物の感度を向上させるために、すなわち組
成物を燃焼させるような温度にしてから、組成物が実際
に燃焼するに至るまでの時間的おくれを減少させるため
に、数年前に組成物に或る割合の無機質の弗化物塩を含
ませることが提案された。この目的で用いることのでき
る無機質の弗化物塩の例は、弗化ソーダ、弗化カリウ
ム、弗化リチウム、又は弗化マグネシウムのような単一
弗化物と、珪弗化ナトリウム（ソジウムフルオロシリケ
ート）、珪弗化カリウム、弗化アルミニウムナトリウム
（ソジウムアルミニウムフルオライド）又は弗化アルミ
ニウムナトリウムのような複合弗化物を含んでいる。無
機の弗化物塩を含んでいる発熱性組成物は、英国特許第
627678号、第774491号、第889484号及び第939541号明細
書に記載されている。
弗化物塩が存在しなければならないことは一般に認め
られて来たけれども、環境的考慮からは弗化物塩の存在
は望ましくないことである。従つて、満足な感度にふさ
わしいできるだけ低い値に組成物中の弗素含有量を保持
することが望ましい。
そのような発熱性組成物中の無機弗化物塩に比べる
と、弗素含有有機化合物は少ない含有量で有利に用い得
ることがわかつた。
従つて、この発明によると、粒子状の酸化されやすい
金属と、弗素含有有機化合物とを含んでいる発熱性組成
物が提供される。
酸化されやすい金属は、例えばアルミニウム、マグネ
シウム、又は珪素、又はこれらの金属の１種又は２種以
上のものが大部分を占める合金であつてもよい。アルミ
ニウム又はアルミニウム合金が好ましい。
弗素含有有機化合物は、ポリテトラフルオロエチレン
又はポリヘキサフルオロプロピレンのような弗素樹脂で
あつても、またポリクロロフルオロエチレンのような弗
素と塩素とを含んで重合体であつても、又はポリ弗化ビ
ニルであつてもよい。
粒子状のポリテトラフルオロエチレンが望ましい。ポ
リテトラフルオロエチレンは、例えばその純粋な化合物
の粒子として、又はガラス繊維又は炭素繊維のような材
料を含んだポリテトフルオロエチレン粒子として用いる
ことができる。
組成物に用いられる弗素含有有機化合物の量は、0.05
から10.0重量％までが普通であり、0.1から0.6重量％ま
でがさらに普通である。
酸化しやすい金属と反応して熱を発生するに必要な酸
素源として、大気中の酸素に頼る発熱性組成物を作るこ
とは可能であるが、その組成物はまた金属に対する酸化
剤を含むのが普通である。
酸化剤が使用されるときには、酸化剤は例えば酸化
鉄、二酸化マンガン、硝酸ナトリウム、硝酸カリウム、
塩素酸ナトリウム、又は塩素酸カリウムである。必要な
らば、２種又はそれ以上の酸化剤を一緒に用いることが
できる。
組成物は、それが成形体として用いられるか又は粒子
状で用いられるかにより、また組成物が発熱特性ととも
に断熱性を持つことが望ましいかどうかにより、１種又
は２種以上の他の成分を含むのが普通である。
発熱性組成物がスリーブ又は板のような成形体の形で
使用されるべき場合には、組成物はまた１種又は２種以
上の結合剤を含むことになる。適当な結合剤の例は、フ
エノールホルムアルデヒド樹脂、尿素ホルムアルデヒド
樹脂、アラビアゴムのようなゴム、サルフアイトライ
（sulphite lye）、澱粉、又はコロイド状シリカゾルか
ら得られたコロイド状シリカを含んでいる。
粒子の形で使用すべき組成物と、成形体として使用す
べき組成物とは、珪砂、アルミナ又はアルミノ珪酸塩、
例えばグログ又はシヤモツトのような粒子状耐火材を含
むことができる。
発熱反応の終了後に、組成物の断熱性を向上させるた
めに、粒子状耐火材の一部は約0.5g/cm3以下の比重を持
つた軽量材料、例えばパーライト、珪藻土又は焼籾殻
であつてもよく、及び／又は組成物はアルミノ珪酸塩繊
維又は珪酸カルシウム繊維のような耐火性繊維及び／又
は有機質繊維を含むこともできる。
この発明に係る組成物は、重量で下記のものを含むの
が普通である。
酸化しやすい金属 10-30％ 酸化剤 0-20％ 弗素含有有機化合物 0.1- 6％ 粒子状耐火材 5-80％ 耐火性繊維 1-55％ 有機質繊維 ０− 8％ 結合剤 0-25％ 重量対重量では、固体の弗素含有有機化合物は、発熱
性組成物の感度を向上させる点では、無機の弗化物塩よ
りも有効である。
先行技術の組成物がこの発明の組成物と比較されてい
る下記の実施例は、この発明の詳細を説明するためのも
のである。
酸化しやすい金属としてアルミニウム粉末とアルミニ
ウム箔粒子、酸化剤としての二酸化マンガン、粒子状ア
ルミナ、アルミノ珪酸塩繊維及び紙、結合剤としてのフ
エノールホルムアルデヒド樹脂及びコロイド状シリカゾ
ルから成る塩基性組成物により、１連の６個のスリーブ
が作られた。そのスリーブのうち４個は無機の弗化物塩
を含み、２個はポリテトラフルオロエチレンを含んでい
た。
各スリーブの発熱性組成物の感度は、スリーブを或る
板上に置いて1400℃に加熱し、燃焼が始まるに必要な時
間を測定して決定された。
使用された弗素含有化合物の実体と量、並びに得られ
た結果をまとめると、以下のとおりである。
フロントページの続き (72)発明者 ミカエル・ジヨン・ゴウグ イギリス国、スタフフオードシヤイア、エ ステイ20、オーイーアール、ニアスタフフ オード、グノソール、リツチモンドパー ク、グレベレイン、６ (56)参考文献 特開 昭57−100838（ＪＰ，Ａ) 特開 昭57−100839（ＪＰ，Ａ)

Claims (13)

    【特許請求の範囲】
  1. 【請求項１】酸化しやすい金属と、必要に応じてその金
    属に対する１種又は２種以上の酸化剤と、結合剤と、粒
    子状耐火材と、耐火性繊維と有機繊維とを含んだ発熱性
    組成物であつて、弗素含有有機化合物を含んでいること
    を特徴とする、発熱性組成物。
  2. 【請求項２】弗素含有有機化合物が、ポリテトラフルオ
    ロエチレン、ポリヘキサフルオロプロピレン、ポリクロ
    ロフルオロエチレン、又はポリ弗化ビニルであることを
    特徴とする、特許請求の範囲第１項に記載する発熱性組
    成物。
  3. 【請求項３】組成物が0.05-10.0重量％の弗素含有有機
    化合物を含んでいることを特徴とする、特許請求の範囲
    第１項又は第２項に記載する発熱性組成物。
  4. 【請求項４】酸化しやすい金属がアルミニウム、マグネ
    シウム又は珪素であることを特徴とする、特許請求の範
    囲第１−３項の何れかの項に記載する発熱性組成物。
  5. 【請求項５】酸化しやすい金属が大量のアルミニウム、
    マグネシウム、又は珪素を含んだ合金であることを特徴
    とする、特許請求の範囲第１−３項の何れかの項に記載
    する発熱性組成物。
  6. 【請求項６】酸化剤が、酸化鉄、二酸化マンガン、硝酸
    ナトリウム、硝酸カリウム、塩素酸ナトリウム又は塩素
    酸カリウムの１種又は２種以上のものであることを特徴
    とする、特許請求の範囲第１−５項の何れかの項に記載
    する発熱性組成物。
  7. 【請求項７】結合剤が、フエノールホルムアルデヒド樹
    脂、尿素ホルムアルデヒド樹脂、アラビアゴム、サルフ
    アイトライ、澱粉又はコロイド状シリカゲルから得られ
    たコロイド状シリカの１種又は２種以上のものであるこ
    とを特徴とする、特許請求の範囲第１−６項の何れかの
    項に記載する発熱性組成物。
  8. 【請求項８】粒子状耐火材が珪砂、アルミナ又はアルミ
    ノ珪酸塩であることを特徴とする、特許請求の範囲第１
    −７項の何れかの項に記載する発熱性組成物。
  9. 【請求項９】粒子状耐火材の少なくとも１部が約0.5g/c
    m3以下の密度を持つた軽量材料であることを特徴とす
    る、特許請求の範囲第１−７項の何れかの項に記載する
    発熱性組成物。
  10. 【請求項１０】軽量材料がパーライト、珪藻土又は焼
    籾殻であることを特徴とする、特許請求の範囲第９項に
    記載する発熱性組成物。
  11. 【請求項１１】耐火性繊維がアルミノ珪酸塩繊維又は珪
    酸カルシウム繊維であることを特徴とする、特許請求の
    範囲第1-10項の何れかの項に記載する発熱性組成物。
  12. 【請求項１２】有機質繊維が紙であることを特徴とす
    る、特許請求の範囲第1-11項の何れかの項に記載する発
    熱性組成物。
  13. 【請求項１３】重量で、 酸化しやすい金属 10-30％ 酸化剤 0-20％ 弗素含有有機化合物 0.1- 6％ 粒子状耐火材 5-80％ 耐火性繊維 1-55％ 有機質繊維 ０− 8％ 結合剤 0-25％ を含んでいることを特徴とする、特許請求の範囲第３項
    に記載する発熱性組成物。
JP9962087A 1986-05-01 1987-04-22 発熱性組成物 Expired - Lifetime JPH0811271B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868610739A GB8610739D0 (en) 1986-05-01 1986-05-01 Exothermic compositions
GB8610739 1986-05-01

Publications (2)

Publication Number Publication Date
JPS62257979A JPS62257979A (ja) 1987-11-10
JPH0811271B2 true JPH0811271B2 (ja) 1996-02-07

Family

ID=10597221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9962087A Expired - Lifetime JPH0811271B2 (ja) 1986-05-01 1987-04-22 発熱性組成物

Country Status (16)

Country Link
US (1) US4767800A (ja)
EP (1) EP0244133B1 (ja)
JP (1) JPH0811271B2 (ja)
KR (1) KR960002742B1 (ja)
AT (1) ATE54847T1 (ja)
AU (1) AU586091B2 (ja)
BR (1) BR8702132A (ja)
CA (1) CA1286085C (ja)
DE (1) DE3763892D1 (ja)
ES (1) ES2016353B3 (ja)
GB (1) GB8610739D0 (ja)
IN (1) IN169350B (ja)
MX (1) MX168228B (ja)
PH (1) PH22746A (ja)
PT (1) PT84776B (ja)
ZA (1) ZA872598B (ja)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308889B1 (en) * 1987-09-24 1992-01-22 Murakashi Lime Industry Co., Ltd A dust-control agent
SU1693859A1 (ru) * 1988-10-31 1996-05-10 Институт структурной макрокинетики Способ получения огнеупорных материалов для изделий и покрытий
FI906418A7 (fi) * 1989-04-28 1990-12-27 Kazakhsky Mezhotraslevoi Tulenkestävä koostumus
US5229337A (en) * 1989-06-30 1993-07-20 Glaverbel Composition of matter for use in a process of forming a porous refractory mass
LU87550A1 (fr) * 1989-06-30 1991-02-18 Glaverbel Procede de formation d'une masse refractaire sur une surface et melange de particules destine a ce procede
GR900100762A (el) * 1990-10-22 1992-09-25 Inst Struktur Makrokinet An Πυριμαχος συνθεσις.
BE1004794A3 (fr) * 1991-05-07 1993-02-02 Fib Services Sa Composition refractaire, procede de preparation et procede d'utilisation de cette composition.
DE19602486C1 (de) * 1996-01-24 1997-06-12 Elkem Materials Siliciumhaltige Rückstände enthaltendes Brikett als Additiv für metallurgische Zwecke und Verfahren zu seiner Herstellung
US6133340A (en) * 1996-03-25 2000-10-17 Ashland Inc. Sleeves, their preparation, and use
BR9601454C1 (pt) * 1996-03-25 2000-01-18 Paulo Roberto Menon Processo para produção de luvas exotérmicas e isolantes.
US7217754B2 (en) * 1997-02-26 2007-05-15 Integument Technologies, Inc. Polymer composites and methods for making and using same
JP2001513832A (ja) 1997-02-26 2001-09-04 インテグメント テクノロジーズ，インク． ポリマー複合体並びにその製造法及び使用法
US6548590B1 (en) 2000-03-22 2003-04-15 Integument Technologies, Inc. Polymer and inorganic-organic hybrid composites and methods for making and using same
JP3239209B2 (ja) * 1997-05-22 2001-12-17 正光 三木 鋳物用発熱体の製造方法
DE19920570B4 (de) * 1999-05-04 2008-01-10 Chemex Gmbh Formbare exotherme Zusammensetzungen und Speiser daraus
DE19925167A1 (de) * 1999-06-01 2000-12-14 Luengen Gmbh & Co Kg As Exotherme Speisermasse
AU2001237621A1 (en) 2000-03-17 2001-09-24 Daniel James Duffey Improvements in and relating to investment casting
GB2350810B (en) 2000-03-17 2001-04-25 Daniel James Duffey Improvements in and relating to investment casting
US7048034B2 (en) 2000-11-10 2006-05-23 Buntrock Industries, Inc. Investment casting mold and method of manufacture
US7004230B2 (en) 2000-11-10 2006-02-28 Buntrock Industries, Inc. Investment casting shells and compositions including rice hull ash
US8646443B2 (en) * 2002-06-05 2014-02-11 The Additional Director (Ipr), Defence Research & Development Organisation Electrochemically reacting composition and a process for the preparation thereof
US7090112B2 (en) * 2003-08-29 2006-08-15 The Boeing Company Method and sealant for joints
US9004059B2 (en) * 2006-08-10 2015-04-14 Rechargeable Battery Corporation Reusable heater in a package
US20100163011A1 (en) * 2006-08-10 2010-07-01 Rechargeable Battery Corporation Oxygen Activated Heater and Method of Manufacturing Same
US8448499B2 (en) 2008-12-23 2013-05-28 C A Casyso Ag Cartridge device for a measuring system for measuring viscoelastic characteristics of a sample liquid, a corresponding measuring system, and a corresponding method
JP2011000638A (ja) * 2009-05-20 2011-01-06 Tsuchiyoshi Acty Corp 鋳造用塗型剤
US9328256B2 (en) * 2012-04-13 2016-05-03 Xerox Corporation Reinforced fluoropolymer composites comprising surface functionalized nanocrystalline cellulose
CN107252872A (zh) * 2017-05-18 2017-10-17 西峡县众德汽车部件有限公司 一种发热覆膜砂及其制备方法
CN113828740B (zh) * 2021-08-23 2023-04-07 武汉纺织大学 一种有机硅渣发热保温冒口套及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA681547A (en) * 1964-03-03 The Polymer Corporation Filling of polytetrafluoroethylene
GB627678A (en) * 1947-08-19 1949-08-12 Foundry Services Ltd Improvements in or relating to heat producing mixtures containing aluminium and an oxidising agent
GB774491A (en) * 1954-05-10 1957-05-08 Foundry Services Ltd Improvements in or relating to heat producing agents
GB889484A (en) * 1958-11-28 1962-02-14 Foundry Services Int Ltd Improvements in or relating to exothermic compositions
GB939541A (en) * 1960-05-23 1963-10-16 Foseco Int Improvements in the production of castings and ingots
JPS4931535A (ja) * 1972-07-22 1974-03-22
BE826610A (fr) * 1974-04-02 1975-06-30 Garnissage exothermique pour applications metallurgiques
CA1049783A (en) * 1974-07-11 1979-03-06 Fred Schroeder Incendiary composition
EP0148252A1 (en) * 1983-07-08 1985-07-17 The Commonwealth Of Australia Compositions and devices for high temperature combustion
AU1869583A (en) * 1983-09-05 1985-03-14 Aikoh Co. Ltd. Heat-retaining of blind riser and an agent thereof
AU3109484A (en) * 1984-07-03 1986-02-10 Occidental Research Corporation Group ivb transition metal based metal and processes for the production thereof

Also Published As

Publication number Publication date
EP0244133A3 (en) 1988-02-24
PT84776B (pt) 1989-12-29
AU7222387A (en) 1987-11-05
PH22746A (en) 1988-11-28
MX168228B (es) 1993-05-13
IN169350B (ja) 1991-09-28
PT84776A (en) 1987-05-01
GB8610739D0 (en) 1986-06-04
DE3763892D1 (de) 1990-08-30
ES2016353B3 (es) 1990-11-01
KR960002742B1 (ko) 1996-02-26
EP0244133B1 (en) 1990-07-25
EP0244133A2 (en) 1987-11-04
BR8702132A (pt) 1988-02-09
US4767800A (en) 1988-08-30
ZA872598B (en) 1987-11-25
AU586091B2 (en) 1989-06-29
CA1286085C (en) 1991-07-16
JPS62257979A (ja) 1987-11-10
ATE54847T1 (de) 1990-08-15
KR870011224A (ko) 1987-12-21

Similar Documents

Publication Publication Date Title
JPH0811271B2 (ja) 発熱性組成物
JP3557430B2 (ja) 金属鋳造用鋳型、金属鋳造方法及びそれに使用される耐火材組成物の成形体
EP0993889B1 (en) Foundry exothermic assembly
US5180759A (en) Exothermic compositions
JP2000501028A (ja) スリーブ、その製造法及び用途
US4008109A (en) Shaped heat insulating articles
US4201606A (en) Refractory exothermic heating insulating articles
EP0030940B1 (en) Production of metal castings
JPS58122159A (ja) 溶融金属取扱容器、その内張用耐火断熱性成形品、及び鋳造方法
US3876420A (en) Thermal insulation molten metal
GB1475613A (en) Process of ingot casting
US3949803A (en) Method of casting molten metal using mold additives
JPS5924899B2 (ja) 成形熱絶縁性物品
SU1057160A1 (ru) Огнеупорна смесь дл изготовлени литейных форм
EP0043817A1 (en) Self drying aluminium-containing compositions
Neu et al. Exothermic Compositions(for Use in Castings)
ALLEN et al. THE FEEDING OF STEEL CASTINGS
JPS6237683B2 (ja)
JPH1147878A (ja) アルミニウム合金鋳物の製造方法
JPS5850155A (ja) 鋼塊の鋳造法