JPH04279244A - Powdery mold releasing agent for low pressure casting - Google Patents

Powdery mold releasing agent for low pressure casting

Info

Publication number
JPH04279244A
JPH04279244A JP3067976A JP6797691A JPH04279244A JP H04279244 A JPH04279244 A JP H04279244A JP 3067976 A JP3067976 A JP 3067976A JP 6797691 A JP6797691 A JP 6797691A JP H04279244 A JPH04279244 A JP H04279244A
Authority
JP
Japan
Prior art keywords
mold release
release agent
pressure casting
low pressure
powder
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
Application number
JP3067976A
Other languages
Japanese (ja)
Other versions
JPH0759346B2 (en
Inventor
Takashi Hanano
花野　孝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hanano Shoji KK
Original Assignee
Hanano Shoji KK
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 Hanano Shoji KK filed Critical Hanano Shoji KK
Priority to JP3067976A priority Critical patent/JPH0759346B2/en
Priority to CA002041503A priority patent/CA2041503A1/en
Priority to DE4116260A priority patent/DE4116260A1/en
Priority to KR1019910008264A priority patent/KR940009799B1/en
Priority to GB9111497A priority patent/GB2253408A/en
Publication of JPH04279244A publication Critical patent/JPH04279244A/en
Priority to US07/975,956 priority patent/US5277831A/en
Publication of JPH0759346B2 publication Critical patent/JPH0759346B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
    • C—CHEMISTRY; METALLURGY
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    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/22—Carboxylic acids or their salts
    • C10M105/24—Carboxylic acids or their salts having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • C10M2229/054—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing phosphorus
    • C10M2229/0545—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing phosphorus used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Lubricants (AREA)

Abstract

PURPOSE:To surely prevent the development of burning and internal defect in a product, to sufficiently execute releasing of the product from a metallic mold, to easily remove mold releasing agent from inner face of the metallic mold and surface of the product, to generate a little gas during using and to develop no contamination in the water after using the mold releasing agent for low pressure casting. CONSTITUTION:In the mold releasing agent for low pressure casting used by injecting to the inner face of metallic mold in the work of low pressure casting, this releasing agent has the peculiarity, in which this is mixed with powdery or granular mold releasing agent base material composed of solid inorganic compound used as lubricator and organic compound material giving stickness to the mold releasing agent base material and both materials have powdery or granular form, or the mold releasing agent base material has the form coated with the organic compound.

Description

【発明の詳細な説明】[Detailed description of the invention]

【０００１】0001

【産業上の利用分野】本発明は、低圧鋳造の作業におい
て金型内面に吹付けて用いる離型剤に関するものである
。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold release agent that is sprayed onto the inner surface of a mold in low-pressure casting operations.

【０００２】0002

【従来の技術】低圧鋳造法は高精度の鋳造品を連続して
且つ大量に製造できるので、自動車や電気機器等の各種
部品の製造に多く利用されている。そしてこの低圧鋳造
法においては、成形型の金型と溶湯との直接接触を避け
て焼付を防止し製品の型離れを良くするために離型剤が
用いられている。2. Description of the Related Art The low-pressure casting method allows high-precision castings to be produced continuously and in large quantities, and is therefore widely used in the production of various parts for automobiles, electrical equipment, and the like. In this low-pressure casting method, a mold release agent is used to avoid direct contact between the mold and the molten metal to prevent seizure and improve the release of the product from the mold.

【０００３】低圧鋳造用離型剤は一般に水溶性離型剤と
不水溶性離型剤とに大別される。そして不水溶性離型剤
は発煙、引火性の危険性が高く安全性に問題があるため
、水溶性離型剤が多用されている。水溶性離型剤は一般
に、水、鉱物油等の離型剤基材に、界面活性剤や極圧性
付与剤として用いられるシリコ―ンオイル、合成又は天
然のワックス、油脂類、脂肪酸エステル等が添加されて
なるものである。Mold release agents for low pressure casting are generally classified into water-soluble mold release agents and water-insoluble mold release agents. Since water-insoluble mold release agents have a high risk of smoke generation and flammability, and have safety problems, water-soluble mold release agents are often used. Water-soluble mold release agents generally include silicone oil used as a surfactant or extreme pressure imparting agent, synthetic or natural waxes, fats and oils, fatty acid esters, etc., added to a mold release agent base material such as water or mineral oil. It is something that has been done.

【０００４】0004

【発明が解決しようとする問題点】ところで近年、低圧
鋳造技術の進歩に伴ってより高品質の製品をより作業性
良く得るための離型剤が要望されるようになってきた。 そして水溶性離型剤ではそのような要望を満足させられ
なくなってきた。即ち水溶性離型剤では、水溶性である
ために金型温度のコントロ―ルが困難であり、また水残
りに起因して製品内部に欠陥が生じる可能性が高いとい
う問題があった。更に使用後の水質汚濁防止のために廃
水処理を必要としそのための設備投資等の諸経費を必要
とするという問題があった。そこで新しい形態の離型剤
が強く望まれるようになってきた。[Problems to be Solved by the Invention] In recent years, with the progress of low-pressure casting technology, there has been a demand for a mold release agent that can produce products of higher quality with better workability. Water-soluble mold release agents are no longer able to satisfy such demands. That is, with water-soluble mold release agents, since they are water-soluble, it is difficult to control the mold temperature, and there is a high possibility that defects will occur inside the product due to residual water. Furthermore, there is a problem in that wastewater treatment is required to prevent water pollution after use, which requires various expenses such as equipment investment. Therefore, a new type of mold release agent has been strongly desired.

【０００５】本発明は以上のような点に鑑みて鋭意研究
し各種の系統的実験を行なった結果なされたもので、低
圧鋳造法においてより高品質の鋳造品をより作業性良く
且つ環境を悪化させることなく得るために用いられる低
圧鋳造用離型剤、即ち具体的には製品の焼付や内部欠陥
の発生を確実に防止でき、しかも製品の金型からの型離
れをより良好に行なわせることができ、また使用後に金
型内面や製品表面から取除き易く、更には使用中のガス
の発生が少なく、使用後に水質を汚染することのない低
圧鋳造用離型剤を提供することを目的とする。[0005] The present invention was made as a result of intensive research and various systematic experiments in view of the above-mentioned points, and it is possible to produce high-quality cast products using low-pressure casting methods with better workability while reducing environmental pollution. A mold release agent for low-pressure casting that is used to obtain products without molding, that is, specifically, to reliably prevent product seizure and internal defects, and also to allow products to be released from molds better. The purpose of the present invention is to provide a mold release agent for low-pressure casting that can be easily removed from the inner surface of a mold or product surface after use, generates less gas during use, and does not pollute water quality after use. do.

【０００６】[0006]

【問題点を解決するための手段】本発明は、低圧鋳造の
作業において金型内面に吹付けて用いる離型剤において
、固体で潤滑剤として用いられる無機化合物からなる粉
末状又は顆粒状の離型剤基材と、離型剤基材に付着性を
付与する有機化合物とを混合してなり、両者とも粉末状
又は顆粒状の形態を有し、又は離型剤基材が有機化合物
により被覆された形態を有することを特徴とする低圧鋳
造用粉末離型剤である。[Means for Solving the Problems] The present invention provides a powder or granular release agent made of a solid inorganic compound that is used as a lubricant in a mold release agent that is sprayed onto the inner surface of a mold in low-pressure casting operations. It is a mixture of a mold agent base material and an organic compound that imparts adhesion to the mold release agent base material, and both have a powder or granular form, or the mold release agent base material is coated with an organic compound. This is a powder mold release agent for low-pressure casting, which is characterized by having a shape of:

【０００７】本発明の最大の特徴は、離型剤基材が粉末
状又は顆粒状の形態を有することである。The greatest feature of the present invention is that the release agent base material has a powder or granule form.

【０００８】そして有機化合物の無機化合物に対する含
有割合は０．１〜４５重量％の範囲から選択するのが有
効である。０．１重量％より小さいと無機化合物の金型
内面に対する付着効果が充分には得られず、４５重量％
より大きいとビルトアップが発生し、離型剤が金型内面
から取除きにくくなったり即ち離型効果が悪くなったり
製品の寸法精度が悪くなったりするからである。[0008] The content ratio of organic compounds to inorganic compounds is preferably selected from the range of 0.1 to 45% by weight. If it is less than 0.1% by weight, the adhesion effect of the inorganic compound to the inner surface of the mold cannot be obtained sufficiently;
If it is larger, build-up will occur, making it difficult to remove the mold release agent from the inner surface of the mold, resulting in poor mold release effects and poor dimensional accuracy of the product.

【０００９】本発明で用い得る離型剤基材は、固体で潤
滑剤として用いられる無機化合物であれば特に制限はな
い。一般には窒化ホウ素、雲母、金属酸化物、窒化ケイ
素、硫黄化合物、弗化物、タルク、ホウ素化合物、リン
化合物が好ましく用いられるが、その他従来から離型剤
として用いられている公知の固体潤滑剤、例えば二硫化
モリブデン、グラファイト等も用いることができる。そ
してこれらの無機化合物は粉末状又は顆粒状の形態で、
その１種類のみが、又は２種類以上が組合せて用いられ
る。The mold release agent base material that can be used in the present invention is not particularly limited as long as it is a solid inorganic compound that can be used as a lubricant. In general, boron nitride, mica, metal oxides, silicon nitride, sulfur compounds, fluorides, talc, boron compounds, and phosphorus compounds are preferably used, but other known solid lubricants conventionally used as mold release agents, For example, molybdenum disulfide, graphite, etc. can also be used. And these inorganic compounds are in powdered or granular form,
Only one type thereof or two or more types may be used in combination.

【００１０】また本発明で用い得る有機化合物は、上述
のような無機化合物に付着性、接着性を付与する性質を
有するものであれば、特に制限はない。一般には金属石
鹸や高分子化合物が好ましく用いられる。金属石鹸とし
てはカルボン酸骨格にナトリウム、カルシウム、バリウ
ム、リチウム、カリウム、マグネシウム、又は亜鉛を付
加したものが、また高分子化合物としてはポリエチレン
、ポリプロピレン、エポキシ樹脂、ケイ素樹脂、フェノ
―ル樹脂、アクリル樹脂、アルキッド樹脂、又はポリス
チレンが特に好ましく用いられる。そしてこれらの有機
化合物は、粉末状又は顆粒状の形態で離型剤基材と混合
され、又は加熱溶融された状態で離型剤基材と混合され
る。従って本発明の離型剤は、離型剤基材と有機化合物
の両方が粉末状又は顆粒状の形態を有し、又は粉末状又
は顆粒状の離型剤基材が有機化合物により被覆された形
態を有することとなる。なお有機化合物は、上述した化
合物の１種類のみが、又は２種類以上が組合せて用いら
れる。金属石鹸と高分子化合物とを組合せて用いてもよ
い。The organic compound that can be used in the present invention is not particularly limited as long as it has the property of imparting adhesion and adhesion to the above-mentioned inorganic compounds. In general, metal soaps and polymer compounds are preferably used. Metal soaps include those with sodium, calcium, barium, lithium, potassium, magnesium, or zinc added to a carboxylic acid skeleton, and polymer compounds include polyethylene, polypropylene, epoxy resin, silicon resin, phenol resin, and acrylic. Resins, alkyd resins, or polystyrene are particularly preferably used. These organic compounds are mixed with the mold release agent base material in powder or granule form, or mixed with the mold release agent base material in a heated and molten state. Therefore, in the mold release agent of the present invention, both the mold release agent base material and the organic compound have a powdery or granular form, or the powdery or granular mold release agent base material is coated with an organic compound. It will have a form. Note that as the organic compound, only one type of the above-mentioned compounds or a combination of two or more types may be used. A metal soap and a polymer compound may be used in combination.

【００１１】[0011]

【作用】本発明の低圧鋳造用粉末離型剤は少なくとも離
型剤基材が粉末状又は顆粒状の形態を有しているので、
離型剤が付着された金型内面の部分では製品と金型内面
とが確実に少なくとも離型剤基材の粉末又は顆粒の粒子
径だけ隔てられることとなる。従って離型剤が金型内面
にまんべんなく付着されることにより、製品と金型内面
とが直接に接触することによる焼付は確実に防止される
。また本発明の離型剤は有機化合物と無機化合物とから
なり水分を含有してはいないので、製品内部に水残りに
起因する欠陥が発生することもない。従って製品の品質
は向上することとなる。[Operation] In the powder mold release agent for low pressure casting of the present invention, at least the mold release agent base material has a powder or granule form.
In the part of the inner surface of the mold to which the release agent is attached, the product and the inner surface of the mold are reliably separated by at least the particle diameter of the powder or granules of the release agent base material. Therefore, by uniformly applying the mold release agent to the inner surface of the mold, seizure caused by direct contact between the product and the inner surface of the mold can be reliably prevented. Furthermore, since the mold release agent of the present invention is composed of an organic compound and an inorganic compound and does not contain water, defects due to water remaining inside the product will not occur. Therefore, the quality of the product will be improved.

【００１２】また本発明の離型剤は少なくとも離型剤基
材が粉末状又は顆粒状の形態を有し、水分を含有しては
いないので、金型内面と製品との間で働く張力は弱い。 従って製品の金型からの取出しは容易となる。しかも金
型内面及び製品表面から容易に取除かれる。[0012] Furthermore, in the mold release agent of the present invention, at least the base material of the mold release agent has a powder or granule form and does not contain water, so the tension acting between the inner surface of the mold and the product is small. weak. Therefore, the product can be easily removed from the mold. Moreover, it can be easily removed from the inner surface of the mold and the surface of the product.

【００１３】更に本発明の離型剤は少なくとも離型剤基
材が粉末状又は顆粒状の形態を有しているので、低圧鋳
造中に熱が加わっても反応しにくくガスを殆んど発生し
ない。また水溶性離型剤のように使用後に水質を汚染す
ることもない。従って作業場の環境を悪化させることは
なく、また廃水処理のための経費が不要となり安価に用
いられることとなる。Furthermore, since at least the mold release agent base material of the mold release agent of the present invention has a powder or granule form, it is difficult to react even when heat is applied during low-pressure casting, and almost no gas is generated. do not. Also, unlike water-soluble mold release agents, it does not pollute water quality after use. Therefore, the environment in the workplace is not deteriorated, and there is no need to spend money on wastewater treatment, so it can be used at low cost.

【００１４】[0014]

【発明の効果】本発明によれば無機化合物からなる離型
剤基材と有機化合物との混合物からなる低圧鋳造用離型
剤を、少なくとも離型剤基材が粉末状又は顆粒状の形態
を有するものとしたので、低圧鋳造法により得られる例
えばアルミニウム合金や亜鉛合金等の鋳造品の焼付や内
部の欠陥発生を確実に防止してその品質を向上させるこ
とができ、しかも低圧鋳造法による鋳造をより作業性良
く行なわせることができ、更には使用中及び使用後にお
ける環境の悪化を充分に防止することができる。特に有
機化合物の無機化合物に対する含有割合を０．１〜４５
重量％の範囲とすることにより、得られる鋳造品の品質
をより良好なものにすることができる。更に無機化合物
として、窒化ホウ素、雲母、金属酸化物、窒化ケイ素、
硫黄化合物、弗化物、タルク、ホウ素化合物、リン化合
物を、また有機化合物として、カルボン酸骨格にナトリ
ウム、カルシウム、バリウム、リチウム、カリウム、マ
グネシウム、又は亜鉛を付加してなる金属石鹸や、ポリ
エチレン、ポリプロピレン、エポキシ樹脂、ケイ素樹脂
、フェノ―ル樹脂、アクリル樹脂、アルキッド樹脂、又
はポリスチレンの高分子化合物を用いることにより上記
効果をより良好に発揮することができる。そして上記の
無機化合物、有機化合物の内、それぞれ２種類以上のも
のを組合せて用いることにより、各低圧鋳造作業におい
てより最適に用い得る離型剤を得ることができる。Effects of the Invention According to the present invention, a mold release agent for low-pressure casting consisting of a mixture of a mold release agent base material made of an inorganic compound and an organic compound can be used, in which at least the mold release agent base material is in the form of powder or granules. This makes it possible to improve the quality of cast products such as aluminum alloys and zinc alloys obtained by low-pressure casting by reliably preventing seizure and internal defects. can be carried out with better workability, and furthermore, deterioration of the environment during and after use can be sufficiently prevented. In particular, the content ratio of organic compounds to inorganic compounds should be 0.1 to 45.
By adjusting the weight percentage within this range, the quality of the resulting cast product can be improved. Furthermore, as inorganic compounds, boron nitride, mica, metal oxides, silicon nitride,
Metal soaps made by adding sodium, calcium, barium, lithium, potassium, magnesium, or zinc to a carboxylic acid skeleton using sulfur compounds, fluorides, talc, boron compounds, phosphorus compounds, or organic compounds, polyethylene, polypropylene By using a polymer compound such as , epoxy resin, silicone resin, phenol resin, acrylic resin, alkyd resin, or polystyrene, the above effects can be better exhibited. By using a combination of two or more of the above-mentioned inorganic compounds and organic compounds, it is possible to obtain a mold release agent that can be used more optimally in each low-pressure casting operation.

【００１５】[0015]

【実施例】以下、本発明の実施例を示すが、本発明はこ
れに限定されるものではない。次に示す（Ａ）〜（Ｅ）
の離型剤を得、これらの離型剤を用いて低圧鋳造法によ
る鋳造の試験を行ない、［表］に示す各項目について比
較検討した。本発明の例である（Ａ）〜（Ｃ）の混合物
としては、用いる有機化合物を粉末状又は顆粒状の形態
で無機化合物に混合したものと、加熱溶融した状態で無
機化合物に混合したものとの両方を得、それぞれについ
て検討したが、結果は両者とも同じであった。なお（Ａ
）〜（Ｅ）の離型剤において用いる各化合物は市販のも
のである。 （Ａ）窒化ホウ素（平均粒度１〜５μ）９５部と、ステ
アリン酸カルシウム５部との混合物からなる本発明の第
１の例、（Ｂ）窒化ホウ素２０部と、雲母７５部と、ポ
リエチレン５部との混合物からなる本発明の第２の例、
（Ｃ）窒化ホウ素５０部と、窒化ケイ素４５部と、ステ
アリン酸バリウム３部と、ポリプロピレン２部との混合
物からなる本発明の第３の例、（Ｄ）窒化ホウ素のみ（
比較例１）（Ｅ）ワックスとシリコ―ンオイルを１：８
０の比で主成分として含有してなる水溶性離型剤（比較
例２）、[Examples] Examples of the present invention will be shown below, but the present invention is not limited thereto. The following (A) to (E)
The following mold release agents were obtained, and a casting test was conducted using a low-pressure casting method using these mold release agents, and each item shown in the table was compared and studied. The mixtures (A) to (C), which are examples of the present invention, include those in which the organic compound used is mixed with an inorganic compound in the form of a powder or granules, and one in which the organic compound is mixed with an inorganic compound in a heated and molten state. We obtained both and examined each, but the results were the same for both. Furthermore, (A
) to (E) are commercially available compounds. (A) A first example of the invention consisting of a mixture of 95 parts of boron nitride (average particle size 1-5μ) and 5 parts of calcium stearate; (B) 20 parts of boron nitride, 75 parts of mica and 5 parts of polyethylene. A second example of the invention consisting of a mixture with,
(C) A third example of the present invention consisting of a mixture of 50 parts of boron nitride, 45 parts of silicon nitride, 3 parts of barium stearate, and 2 parts of polypropylene; (D) only boron nitride (
Comparative Example 1) (E) Wax and silicone oil 1:8
A water-soluble mold release agent containing as a main component at a ratio of 0 (Comparative Example 2),

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】低圧鋳造の作業において金型内面に吹付け
て用いる離型剤において、固体で潤滑剤として用いられ
る無機化合物からなる粉末状又は顆粒状の離型剤基材と
、離型剤基材に付着性を付与する有機化合物とを混合し
てなり、両者とも粉末状又は顆粒状の形態を有し、又は
離型剤基材が有機化合物により被覆された形態を有する
ことを特徴とする低圧鋳造用粉末離型剤。Claim 1: A mold release agent used by spraying onto the inner surface of a mold in low-pressure casting operations, comprising a powder or granular mold release agent base material made of a solid inorganic compound used as a lubricant, and a mold release agent. The mold release agent is formed by mixing an organic compound that imparts adhesion to the base material, and both have a powder or granule form, or the mold release agent base material is coated with an organic compound. Powder mold release agent for low pressure casting. 【請求項２】有機化合物を無機化合物に対して０．１〜
４５重量％の割合で含有した請求項１記載の低圧鋳造用
粉末離型剤。Claim 2: The organic compound is 0.1 to inorganic compound.
The powder mold release agent for low pressure casting according to claim 1, containing the powder in a proportion of 45% by weight. 【請求項３】無機化合物としては、窒化ホウ素、雲母、
金属酸化物、窒化ケイ素、硫黄化合物、弗化物、タルク
、ホウ素化合物、リン化合物のうち、１種類以上が用い
られる請求項１又は２記載の低圧鋳造用粉末離型剤。3. Inorganic compounds include boron nitride, mica,
The powder mold release agent for low pressure casting according to claim 1 or 2, wherein one or more of metal oxides, silicon nitride, sulfur compounds, fluorides, talc, boron compounds, and phosphorus compounds is used. 【請求項４】有機化合物としては、複数種類の金属石鹸
や複数種類の高分子化合物のうち、１種類以上が用いら
れる請求項１ないし３のいずれかに記載の低圧鋳造用粉
末離型剤。4. The powder mold release agent for low pressure casting according to claim 1, wherein the organic compound is one or more of a plurality of metal soaps and a plurality of polymer compounds. 【請求項５】金属石鹸は、カルボン酸骨格にナトリウム
、カルシウム、バリウム、リチウム、カリウム、マグネ
シウム、又は亜鉛を付加したものである請求項４記載の
低圧鋳造用粉末離型剤。5. The powder mold release agent for low pressure casting according to claim 4, wherein the metal soap has sodium, calcium, barium, lithium, potassium, magnesium, or zinc added to a carboxylic acid skeleton. 【請求項６】高分子化合物は、ポリエチレン、ポリプロ
ピレン、エポキシ樹脂、ケイ素樹脂、フェノ―ル樹脂、
アクリル樹脂、アルキッド樹脂、又はポリスチレンであ
る請求項４又は５記載の低圧鋳造用粉末離型剤。6. The polymer compound is polyethylene, polypropylene, epoxy resin, silicone resin, phenol resin,
The powder mold release agent for low pressure casting according to claim 4 or 5, which is an acrylic resin, an alkyd resin, or a polystyrene.
JP3067976A 1991-03-06 1991-03-06 Powder mold release agent for low pressure casting Expired - Lifetime JPH0759346B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3067976A JPH0759346B2 (en) 1991-03-06 1991-03-06 Powder mold release agent for low pressure casting
CA002041503A CA2041503A1 (en) 1991-03-06 1991-04-30 Low pressure die casting powdery mold releasing agent
DE4116260A DE4116260A1 (en) 1991-03-06 1991-05-17 POWDER-MOLDED MOLD RELEASE AGENT FOR A LOW-PRESSURE CASTING METHOD
KR1019910008264A KR940009799B1 (en) 1991-03-06 1991-05-22 Method for low pressure die casting with low pressure die casting powdery mold releasing agent
GB9111497A GB2253408A (en) 1991-03-06 1991-05-29 Low pressure die casting powdery mold releasing agent
US07/975,956 US5277831A (en) 1991-03-06 1992-11-13 Method for low pressure die casting with low pressure die casting powdery mold releasing agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3067976A JPH0759346B2 (en) 1991-03-06 1991-03-06 Powder mold release agent for low pressure casting

Publications (2)

Publication Number Publication Date
JPH04279244A true JPH04279244A (en) 1992-10-05
JPH0759346B2 JPH0759346B2 (en) 1995-06-28

Family

ID=13360532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3067976A Expired - Lifetime JPH0759346B2 (en) 1991-03-06 1991-03-06 Powder mold release agent for low pressure casting

Country Status (5)

Country Link
JP (1) JPH0759346B2 (en)
KR (1) KR940009799B1 (en)
CA (1) CA2041503A1 (en)
DE (1) DE4116260A1 (en)
GB (1) GB2253408A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6335309B1 (en) 1998-07-21 2002-01-01 Denso Corporation Die release lubricant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898227A (en) * 2010-07-28 2010-12-01 启东尤希路化学工业有限公司 Environmental-friendly magnesium alloy mold releasing agent
CN114540101B (en) * 2022-01-24 2023-03-14 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） Mold release agent for processing high-precision resin grinding wheel and using method thereof

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GB120255A (en) * 1917-10-31 1918-10-31 Thomas William Staine Hutchins Improvements relating to the Manufacture of Carbon Blocks.
GB318740A (en) * 1928-08-27 1929-09-12 Lajos Dorogi Improvements in or relating to templates for the manufacture of articles from sheet rubber
GB334857A (en) * 1929-06-05 1930-09-05 Kelly Graphite Mills Inc Improvements in or relating to parting compounds for foundry moulds
GB676408A (en) * 1950-11-20 1952-07-23 Buttress & Mcclellan Inc Method of constructing concrete building elements
US2937406A (en) * 1959-03-20 1960-05-24 Goodyear Tire & Rubber Fluid pressure core
GB1193645A (en) * 1966-08-05 1970-06-03 Francis Guy Sydenham English Improvements in or relating to Wet-Table Coatings.
US3615071A (en) * 1969-04-16 1971-10-26 Dow Corning Flexible mold
GB1362881A (en) * 1971-06-22 1974-08-07 Scott Bader Co Gel coats for moulds
DE2328337C3 (en) * 1973-06-04 1978-01-19 Wacker Chemie Gmbh PROCESS FOR PRODUCING SHAPED BODIES AND COATING FROM BUILDING MATERIALS ON THE BASIS OF INORGANIC BINDERS
GB2003923B (en) * 1977-09-07 1982-03-10 Foseco Int Metal working lubricants
JPH069730B2 (en) * 1989-01-13 1994-02-09 花野商事株式会社 Powder mold release agent for die casting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6335309B1 (en) 1998-07-21 2002-01-01 Denso Corporation Die release lubricant

Also Published As

Publication number Publication date
DE4116260A1 (en) 1992-09-10
JPH0759346B2 (en) 1995-06-28
KR940009799B1 (en) 1994-10-17
CA2041503A1 (en) 1992-09-07
GB2253408A (en) 1992-09-09
GB9111497D0 (en) 1991-07-17

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