WO2011010559A1 - Composition à base de résine phénolique pour moulage en coquille, sable enrobé de résine pour moulage en coquille, et matrice de moulage en coquille obtenue grâce à ceux-ci - Google Patents

Composition à base de résine phénolique pour moulage en coquille, sable enrobé de résine pour moulage en coquille, et matrice de moulage en coquille obtenue grâce à ceux-ci Download PDF

Info

Publication number
WO2011010559A1
WO2011010559A1 PCT/JP2010/061591 JP2010061591W WO2011010559A1 WO 2011010559 A1 WO2011010559 A1 WO 2011010559A1 JP 2010061591 W JP2010061591 W JP 2010061591W WO 2011010559 A1 WO2011010559 A1 WO 2011010559A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin composition
phenolic resin
shell mold
fatty acid
resin
Prior art date
Application number
PCT/JP2010/061591
Other languages
English (en)
Japanese (ja)
Inventor
敬一 森
智宏 高間
Original Assignee
旭有機材工業株式会社
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 旭有機材工業株式会社 filed Critical 旭有機材工業株式会社
Priority to CN2010800229203A priority Critical patent/CN102448637A/zh
Priority to AU2010274450A priority patent/AU2010274450B2/en
Priority to JP2011523605A priority patent/JP5764490B2/ja
Publication of WO2011010559A1 publication Critical patent/WO2011010559A1/fr
Priority to US13/270,524 priority patent/US20120029113A1/en
Priority to US14/197,516 priority patent/US20140187667A1/en

Links

Images

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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • 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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2246—Condensation polymers of aldehydes and ketones
    • 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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2246—Condensation polymers of aldehydes and ketones
    • B22C1/2253—Condensation polymers of aldehydes and ketones with phenols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols

Definitions

  • the present invention relates to a phenolic resin composition for a shell mold, a resin-coated sand for a shell mold, and a mold for a shell mold using the same, and more particularly, a shell mold that can simultaneously solve the problems of thermal expansion and randomness.
  • the present invention relates to a phenol resin composition for resin, a resin-coated sand obtained using the same, a method for producing the same, and a mold for shell molding formed using the resin-coated sand.
  • a resin-coated sand obtained by kneading a refractory particle (casting sand) and a phenolic resin (binder) and, if necessary, a curing agent such as hexamethylenetetramine.
  • resin coated sand a resin-coated sand obtained by kneading a refractory particle (casting sand) and a phenolic resin (binder) and, if necessary, a curing agent such as hexamethylenetetramine.
  • shell molds have been commonly used that are heat molded using abbreviated RCS ”to form the desired shape.
  • Patent Document 2 proposes a method in which polyethylene glycol having a number average molecular weight of 1500 to 40,000 is present in RCS, thereby preventing cracking of the mold.
  • the improvement in sex was not sufficient, and there was still room for improvement.
  • Patent Document 3 by using RCS formed by coating the surface of foundry sand with a hardly disintegrable phenol-based resin produced using at least naphthols as phenols, mold release after casting is achieved. After the process, it becomes clear that the collection of the lump as shell shell becomes efficient, so that it is possible to improve the regeneration rate of the used shell sand and to stabilize the quality of the regenerated sand. Has been.
  • the present invention has been made in the background as described above, and the problem to be solved is a shell that has a low coefficient of thermal expansion and can advantageously provide a mold having higher properties.
  • Another object of the present invention is to provide a phenolic resin composition for molding, an RCS obtained by using the phenolic resin composition, a method for producing the RCS, and a mold for shell molding obtained by molding using the RCS.
  • a phenolic resin composition having useful properties can be obtained by combining a fatty acid amide with a phenolic resin obtained by reacting with a phenol, and in particular, molded by RCS obtained using the same.
  • the inventors have found that a characteristic with a higher characteristic can be advantageously realized while maintaining a low coefficient of thermal expansion, and thus completed the present invention.
  • the present invention is characterized by comprising a phenolic resin obtained by reacting phenols, naphthols and aldehydes and a fatty acid amide as essential components in order to solve the above-described problems.
  • the gist of the phenolic resin composition for a shell mold is as follows.
  • the phenols and the naphthols are used in a mass ratio of 95 to 50: 5 to 50. .
  • the naphthols are 1-naphthol and / or 2-naphthol.
  • the phenolic resin comprises the phenols (P), the naphthols (N), and the aldehydes (F) in a blending molar ratio thereof: F / (P + N) is formed by reacting at a ratio of 0.40 to 0.80.
  • the fatty acid amide is used in a ratio of 1 to 15 parts by mass with respect to 100 parts by mass of the phenolic resin.
  • the fatty acid amide is a monoamide, a substituted amide, or a bisamide.
  • the fatty acid amide is a fatty acid bisamide, and more preferably a saturated fatty acid bisamide.
  • the silane coupling agent is further blended.
  • RCS resin coated sand
  • the phenolic resin composition is present in a ratio of 0.2 to 10 parts by mass with respect to 100 parts by mass of the refractory particles. Used.
  • the gist of the present invention is also a shell mold, which is formed by using the RCS for shell mold as described above and heat-cured.
  • a method of manufacturing RCS for shell mold which includes a step of coating refractory particles by using them in a melt-mixed state or individually.
  • the catalyst is a divalent metal salt and / or oxalic acid.
  • a phenolic resin composition for a shell mold according to the present invention, a phenolic resin obtained by reacting a naphthol with an aldehyde together with a phenol is combined with a fatty acid amide.
  • a coating layer made of the same is formed on the surface of a predetermined refractory particle to form a shell mold RCS, and a mold is formed using this RCS. While maintaining the low coefficient of thermal expansion of the mold advantageously, it was possible to effectively improve the properties of the mold, so that the casting defect problem of vaning due to mold cracking could be solved simultaneously. It is.
  • the phenol resin used can be free from corrosive components such as hydrochloric acid, the target mold can be easily and safely produced without causing problems such as mold corrosion during molding. In addition, it has the characteristics that it can enjoy industrial usefulness such as the advantage that it can be manufactured easily.
  • the phenolic resin constituting the phenolic resin composition for shell mold according to the present invention uses phenols, naphthols, and aldehydes, and reacts them with a predetermined catalyst. Is obtained.
  • phenols that are one of the reaction components that give such phenolic resins conventionally known phenols, for example, phenols, alkylphenols such as cresol, xylenol, p-tert-butylphenol, nonylphenol, resorcinol, Examples thereof include polyhydric phenols such as bisphenol F and bisphenol A, and mixtures thereof, and one of them is used alone or in combination of two or more.
  • this invention has one characteristic in the place which used naphthols as a phenol component with such phenols further, and contributes to the improvement of the characteristic of the phenol-type resin obtained by this by this. It was possible.
  • naphthols 1-naphthol and 2-naphthol can be preferably used alone or as a mixture from the viewpoints of availability, cost and the like. From the standpoint of superiority, 1-naphthol is preferably used.
  • the ratio of phenols: naphthols is preferably in the range of 90-60: 10-40, more preferably 90-70: 10-30, from the viewpoint of mold strength.
  • examples of the aldehyde that can be reacted with the above-described phenols and naphthols include formalin, paraformaldehyde, trioxane, acetaldehyde, paraaldehyde, and propionaldehyde.
  • the aldehydes are not limited to those exemplified, and other known raw materials can be used as appropriate. These aldehydes may be used alone or in combination of two or more kinds of raw materials.
  • the above-described phenols (P) and naphthols (N) are reacted with the above-mentioned aldehydes (F) to obtain a desired good phenolic resin. It is recommended to react these phenols and naphthols with aldehydes in such a ratio that the molar ratio of F: (P + N) is 0.40 to 0.80. In particular, when the blending molar ratio: F / (P + N) is 0.75 or less, particularly 0.70 or less, the property can be further improved. By setting the value of F / (P + N) to 0.40 or more, the target phenol resin can be obtained in a sufficient yield, while by setting it to 0.80 or less. In the RCS for shell mold formed using the obtained phenol-based resin, the strength of the mold obtained by molding it can be advantageously improved.
  • a catalyst such as an acid catalyst are appropriately selected and used in the reaction of the above-described phenols and naphthols with aldehydes.
  • a catalyst it is recommended to use at least one of a divalent metal salt and oxalic acid.
  • the divalent metal salt for example, a metal salt having a divalent metal element such as lead naphthenate, zinc naphthenate, lead acetate, zinc acetate, zinc borate, lead oxide, zinc oxide, etc.
  • a combination of an acidic catalyst and a basic catalyst capable of forming such a metal salt can be exemplified.
  • oxalic acid is preferably used.
  • Such a catalyst composed of at least one selected from the group consisting of a divalent metal salt and oxalic acid is generally 0.01 to 5 parts by mass with respect to 100 parts by mass in total of phenols and naphthols. It is advantageously used in a proportion of parts, preferably 0.05 to 3 parts by mass.
  • the reaction of phenols and naphthols with aldehydes using a predetermined catalyst is carried out in the same manner as in the conventional phenol resin production method.
  • the phenolic resin thus obtained is in the form of a solid or liquid (for example, varnish or emulsion), for example, a curing agent such as hexamethylenetetramine or a curing catalyst. In the presence or absence, heat curing is achieved by heating.
  • a phenolic resin having a number average molecular weight obtained by gel permeation chromatography (GPC) analysis in the range of 400 to 1300 is preferably used.
  • the phenol-type resin composition for shell molds will be comprised. is there.
  • the use ratio of the phenolic resin and fatty acid amide is appropriately determined according to the required characteristics of the mold, but generally 1 to 15 parts by mass with respect to 100 parts by mass of the phenolic resin. A proportion of fatty acid amide will be used.
  • the fatty acid amide used in combination with the phenolic resin includes monoamides such as saturated fatty acid monoamide and unsaturated fatty acid monoamide; substituted amides; bisamides such as saturated fatty acid bisamide, unsaturated fatty acid bisamide, and aromatic bisamide. Among them, fatty acid bisamides, particularly saturated fatty acid bisamides, are preferably used.
  • saturated fatty acid monoamides include lauric acid amide, myristic acid amide, palmitic acid amide, stearic acid amide, behenic acid amide, etc., and unsaturated fatty acid monoamides.
  • specific examples of these include oleic acid amide, erucic acid amide and the like
  • specific examples of the substituted amide include N-stearyl stearic acid amide, N-oleyl stearic acid amide, N-stearyl erucic acid amide.
  • saturated fatty acid bisamides include methylene bis stearic acid amide, ethylene bis stearic acid amide, methylene bis lauric acid amide, methylene bis behenic acid amide, hexamethylene bis stearic acid amide, hexamethylene bis hydroxy stearic acid amide.
  • unsaturated fatty acid bisamides include ethylene bisoleic acid amide, ethylene biserucic acid amide, hexamethylene bisoleic acid amide, N , N′-dioleoyl adipate amide and the like
  • aromatic bisamide include xylylene bis stearic acid amide, xylylene bishydroxy stearic acid amide, N, '- distearyl isophthalic acid amide and the like.
  • such a phenolic resin and a fatty acid amide are used in combination for a shell mold, so that it is generally used for the purpose of improving the physical properties of the mold, if necessary.
  • Various additives used can be appropriately blended and used.
  • silane coupling agents such as ⁇ -aminopropyltriethoxysilane and ⁇ -glycidoxypropyltrimethoxysilane are blended and used.
  • Such a silane coupling agent is generally compounded in a proportion of about 0.01 to 5 parts by mass, preferably about 0.05 to 2.5 parts by mass with respect to 100 parts by mass of the phenolic resin. Will be.
  • the phenolic resin composition for shell mold as described above is kneaded with the predetermined refractory particles. Therefore, the amount of the phenolic resin composition for the shell mold in the RCS of the present invention is determined in consideration of the type of resin to be used, the required mold strength, and the like. In general, it is within the range of about 0.2 to 10 parts by weight, preferably 0.5 to 8 parts by weight, more preferably 0.5 to It is in the range of 5 parts by mass.
  • the kind of the refractory particles kneaded into such a phenolic resin composition for a shell mold is not particularly limited in the present invention. Since such refractory particles serve as a base material for a mold, any inorganic particles having a particle size suitable for casting and mold formation (molding) can be used for shell mold casting. Any known inorganic particles that have been produced can be used. Examples of such refractory particles include, in addition to commonly used silica sand, special sand such as olivine sand, zircon sand, chromite sand, and alumina sand, ferrochrome slag and ferronickel slag.
  • Slag-based particles such as converter slag, mullite-based porous particles such as Niiga Cera beads (trade name, ITOCHU CERATECH Co., Ltd.), or regenerated particles recovered and regenerated after casting, etc. Or in combination of two or more.
  • the manufacturing method is not particularly limited, and conventionally known methods such as a dry hot coating method, a semi-hot coating method, a cold coating method, and a powder solvent method are known.
  • a dry hot coating method in which an aqueous solution of hexamethylenetetramine (curing agent) is added, the massive contents are disintegrated into particles by air cooling, and calcium stearate (lubricant) is added.
  • the predetermined phenolic resin and the fatty acid amide constituting the shell mold resin composition according to the present invention are melt-mixed and used for coating the refractory particles, and separately used to coat the refractory particles. It is also possible to make them dampen.
  • the heating molding method is not particularly limited, and any conventionally known method can be advantageously used. Will get.
  • the RCS as described above is filled into a mold heated to 150 ° C. to 300 ° C. having a desired shape space for giving a target mold by a gravity dropping method, a blowing method, or the like and cured. Thereafter, the cured mold can be removed from the mold to obtain a casting mold. And in the casting_mold
  • the mold piece obtained above was set on a support base, and then the heating element (elema rod) was gradually heated from 200 ° C. and heated up to 800 ° C.
  • the laser displacement meter was set at a position 10 mm from the tip of the mold piece, and the data was directly taken into a personal computer.
  • the behavior of the displacement first, the mold piece is warped based on the expansion behavior due to the heating of the mold piece, and then begins to bend in a short time. Finally, the mold piece is almost at the center, that is, the heating element. It breaks at the heating part.
  • “Nariyori” as used herein is expressed by the maximum amount of bending obtained until fracture, and the larger the value, the easier the mold is deformed and the greater the flexibility. In addition, this measurement was performed in consideration of a measurement cycle in which the measurement of the next mold piece is started when the temperature of the heating element reaches around 200 ° C.
  • Phenol resin B was obtained according to the same procedure as in Resin Production Example 1, except that 8000 parts of phenol, 2000 parts of 1-naphthol, 4865 parts of 47% formalin and 30 parts of oxalic acid were added.
  • Phenol resin C was obtained according to the same procedure as in Resin Production Example 1, except that 8000 parts of phenol, 2000 parts of 1-naphthol, 3159 parts of 47% formalin and 30 parts of oxalic acid were added.
  • Phenol resin D was obtained according to the same procedure as in Resin Production Example 1, except that 9000 parts of phenol, 1000 parts of 1-naphthol, 4260 parts of 47% formalin and 30 parts of oxalic acid were added.
  • Phenol resin E was obtained according to the same procedure as in Resin Production Example 1, except that 6000 parts of phenol, 4000 parts of 1-naphthol, 3799 parts of 47% formalin and 15 parts of oxalic acid were added.
  • Phenol resin F was obtained according to the same procedure as in Resin Production Example 1 except that 8000 parts of phenol, 2000 parts of 2-naphthol, 4106 parts of 47% formalin and 30 parts of oxalic acid were added.
  • phenol resin G was obtained according to the same procedure as in Resin Production Example 1 except that 2000 parts of phenol, 8000 parts of bisphenol A (BPA), 2339 parts of 47% formalin and 30 parts of oxalic acid were added.
  • Example 2- A resin composition 2 was obtained according to the same procedure as in Example 1 except that the addition amount of ethylenebisstearic acid amide was 120 parts.
  • Example 3- Resin composition 3 was obtained according to the same procedure as in Example 1 except that the addition amount of ethylenebisstearic acid amide was 15 parts.
  • Example 4- Resin composition 4 was obtained according to the same procedure as in Example 1 except that ethylene bis stearic acid amide was changed to methylene bis stearic acid amide.
  • Resin composition 5 was obtained according to the same procedure as in Example 1 except that ethylene bis stearic acid amide was replaced with ethylene bis behenic acid amide.
  • Example 6- Resin composition 6 was obtained according to the same procedure as in Example 1 except that ethylene bis stearic acid amide was changed to ethylene bis erucic acid amide.
  • Example 7- Resin composition 7 was obtained according to the same procedure as in Example 1 except that ethylene bis stearic acid amide was changed to stearic acid amide.
  • Example 8- A resin composition 8 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin B.
  • Example 9- A resin composition 9 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin C.
  • Example 10- A resin composition 10 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin D.
  • Example 11- A resin composition 11 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin E.
  • Example 12- A resin composition 12 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin F.
  • Example 1 A resin composition 13 was obtained according to the same procedure as in Example 1 except that the phenol resin A was replaced with the phenol resin G.
  • Example 2 A resin composition 14 was obtained according to the same procedure as in Example 1 except that the fatty acid amides were not added to the phenol resin A.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L’invention concerne une composition à base de résine phénolique pour moulage en coquille, à partir de laquelle une matrice de moulage présentant un faible coefficient de dilatation thermique et une capacité de déviation élevée peut être avantageusement formée, un sable enrobé de résine obtenu en utilisant celle-ci, et une matrice de moulage en coquille obtenue en utilisant ledit sable enrobé de résine. Un naphtol est utilisé en association avec un phénol. Les composants de phénol sont amenés à réagir avec un aldéhyde pour obtenir une résine phénolique. La résine phénolique est associée à un amide d'acide gras pour constituer une composition à base de résine phénolique pour moulage en coquille pouvant présenter des caractéristiques de matrice utiles.
PCT/JP2010/061591 2009-07-23 2010-07-08 Composition à base de résine phénolique pour moulage en coquille, sable enrobé de résine pour moulage en coquille, et matrice de moulage en coquille obtenue grâce à ceux-ci WO2011010559A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2010800229203A CN102448637A (zh) 2009-07-23 2010-07-08 壳型用酚醛树脂组合物和壳型用树脂覆膜砂以及使用其得到的壳型用铸型
AU2010274450A AU2010274450B2 (en) 2009-07-23 2010-07-08 Phenol resin composition for shell molding, resin-coated sand for shell molding, and shell molding die obtained using the same
JP2011523605A JP5764490B2 (ja) 2009-07-23 2010-07-08 シェルモールド用レジンコーテッドサンド並びにそれを用いて得られるシェルモールド用鋳型
US13/270,524 US20120029113A1 (en) 2009-07-23 2011-10-11 Phenolic resin composition for shell molding, resin coated sand for shell molding, and shell mold formed of the same
US14/197,516 US20140187667A1 (en) 2009-07-23 2014-03-05 Phenolic resin composition for shell molding, resin coated sand for shell molding, and shell mold formed of the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-172135 2009-07-23
JP2009172135 2009-07-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/270,524 Continuation US20120029113A1 (en) 2009-07-23 2011-10-11 Phenolic resin composition for shell molding, resin coated sand for shell molding, and shell mold formed of the same

Publications (1)

Publication Number Publication Date
WO2011010559A1 true WO2011010559A1 (fr) 2011-01-27

Family

ID=43499029

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/061591 WO2011010559A1 (fr) 2009-07-23 2010-07-08 Composition à base de résine phénolique pour moulage en coquille, sable enrobé de résine pour moulage en coquille, et matrice de moulage en coquille obtenue grâce à ceux-ci

Country Status (7)

Country Link
US (2) US20120029113A1 (fr)
JP (1) JP5764490B2 (fr)
KR (1) KR20120046271A (fr)
CN (1) CN102448637A (fr)
AU (1) AU2010274450B2 (fr)
MY (1) MY155464A (fr)
WO (1) WO2011010559A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014161883A (ja) * 2013-02-26 2014-09-08 Asahi Organic Chemicals Industry Co Ltd 高温易崩壊性シェルモールド用レジンコーテッドサンド及びそれを用いて得られた鋳型並びに鋳物の製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102688979A (zh) * 2012-06-26 2012-09-26 长沙南托造型材料有限公司 一种长保质期覆膜砂及其生产方法
JP5933800B1 (ja) * 2015-10-20 2016-06-15 山川産業株式会社 鋳型用粘結剤含有砂及びその製法
CN109128009A (zh) * 2018-06-29 2019-01-04 宁夏共享化工有限公司 一种铸造热芯盒树脂用固化剂

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01266939A (ja) * 1988-04-20 1989-10-24 Asahi Organic Chem Ind Co Ltd 鋳型材料
JPH04331223A (ja) * 1991-05-07 1992-11-19 Hitachi Chem Co Ltd ナフトール変性フェノール樹脂の製造方法
JP2007275988A (ja) * 2006-03-14 2007-10-25 Hitachi Chem Co Ltd シェルモールド用樹脂組成物及びレジンコーテッドサンド

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69218033T2 (de) * 1991-05-07 1997-09-18 Hitachi Chemical Co Ltd Verfahren zur Herstellung von naphtholmodifizierten Phenolharzen
JPH0578437A (ja) * 1991-09-18 1993-03-30 Meiwa Kasei Kk フエノールノボラツク樹脂及び半導体封止用硬化剤
JP3235813B2 (ja) * 1994-08-04 2001-12-04 住友ベークライト株式会社 フェノール樹脂組成物
CN1124299C (zh) * 2000-12-27 2003-10-15 中国科学院化学研究所 一种线型酚醛树脂及其制备方法
DE10112620A1 (de) * 2001-03-14 2002-09-19 Bakelite Ag Bindemittelmischungen und ihre Verwendung
WO2007010848A1 (fr) * 2005-07-15 2007-01-25 Komatsu Ltd. Sable enduit de resine pour une utilisation pour de l'acier coule, moule fabrique a partir de ce sable, et moulage d'acier moule en utilisant ce moule
WO2007049645A1 (fr) * 2005-10-27 2007-05-03 Asahi Organic Chemicals Industry Co., Ltd. Resine phenol de type novolak destinee au moulage de coque, procede de production de celle-ci et sable recouvert de resine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01266939A (ja) * 1988-04-20 1989-10-24 Asahi Organic Chem Ind Co Ltd 鋳型材料
JPH04331223A (ja) * 1991-05-07 1992-11-19 Hitachi Chem Co Ltd ナフトール変性フェノール樹脂の製造方法
JP2007275988A (ja) * 2006-03-14 2007-10-25 Hitachi Chem Co Ltd シェルモールド用樹脂組成物及びレジンコーテッドサンド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014161883A (ja) * 2013-02-26 2014-09-08 Asahi Organic Chemicals Industry Co Ltd 高温易崩壊性シェルモールド用レジンコーテッドサンド及びそれを用いて得られた鋳型並びに鋳物の製造方法

Also Published As

Publication number Publication date
US20140187667A1 (en) 2014-07-03
CN102448637A (zh) 2012-05-09
JPWO2011010559A1 (ja) 2012-12-27
AU2010274450B2 (en) 2013-06-06
MY155464A (en) 2015-10-15
KR20120046271A (ko) 2012-05-09
US20120029113A1 (en) 2012-02-02
JP5764490B2 (ja) 2015-08-19
AU2010274450A1 (en) 2011-11-03

Similar Documents

Publication Publication Date Title
JP4033893B2 (ja) シェルモールド用ノボラック型フェノール樹脂及びその製造方法並びにレジンコーテッドサンド
JP5125061B2 (ja) シェルモールド用樹脂組成物及びレジンコーテッドサンド
JP6054774B2 (ja) 高温易崩壊性シェルモールド用レジンコーテッドサンド及びそれを用いて得られた鋳型並びに鋳物の製造方法
JP5764490B2 (ja) シェルモールド用レジンコーテッドサンド並びにそれを用いて得られるシェルモールド用鋳型
JP6685685B2 (ja) シェルモールド用フェノール樹脂組成物及びシェルモールド用レジンコーテッドサンド並びにシェルモールド用鋳型
JP5486510B2 (ja) シェルモールド用レジンコーテッドサンド及びそれを用いて得られる鋳型
US20050090578A1 (en) Heat-cured furan binder system
JP2017070967A (ja) シェルモールド用フェノール樹脂組成物及びシェルモールド用レジンコーテッドサンド並びにそれを用いてなるシェルモールド用鋳型
WO1988008763A1 (fr) Procede de boite a noyau chauffe permettant de preparer des formes de fonderie
JP4749193B2 (ja) シェルモールド用鋳型材料
JPH11244991A (ja) レジンコ−テッドサンド製造方法
JP5491382B2 (ja) シェルモールド用フェノール樹脂組成物及びシェルモールド用レジンコーテッドサンド並びにそれを用いて得られる鋳型
JP4122545B2 (ja) 鋳物砂用粘結剤組成物
JP3758941B2 (ja) シェルモールド用バインダー及びその製造方法
JPS58184034A (ja) レジンコ−テツドサンド
JP2005095932A (ja) シェルモールド用フェノール樹脂組成物及びレジンコーテッドサンド
JP2003062639A (ja) シェルモールド用レジンコーテッドサンド
JPH0144423B2 (fr)
JP2022081962A (ja) 鋳型崩壊性に優れたレジンコーテッドサンド
JP2023147761A (ja) 鋳型崩壊性に優れたレジンコーテッドサンド
JP3881208B2 (ja) 鋳型用樹脂組成物及びそれを用いた鋳型用樹脂被覆砂
JP2003164943A (ja) シェルモールド用ノボラック型フェノール樹脂組成物及びレジンコーテッドサンド
JPH07106420B2 (ja) 鋳型材料
JP2003080342A (ja) シェルモールド用ノボラック型フェノール樹脂組成物及びレジンコーテッドサンド

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201080022920.3

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10802179

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2011523605

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 4264/KOLNP/2011

Country of ref document: IN

ENP Entry into the national phase

Ref document number: 2010274450

Country of ref document: AU

Date of ref document: 20100708

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20127004501

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 10802179

Country of ref document: EP

Kind code of ref document: A1