JP2001511707A - アルコール改質ポリイソシアネート含有の鋳型結合剤 - Google Patents
アルコール改質ポリイソシアネート含有の鋳型結合剤Info
- Publication number
- JP2001511707A JP2001511707A JP52146898A JP52146898A JP2001511707A JP 2001511707 A JP2001511707 A JP 2001511707A JP 52146898 A JP52146898 A JP 52146898A JP 52146898 A JP52146898 A JP 52146898A JP 2001511707 A JP2001511707 A JP 2001511707A
- Authority
- JP
- Japan
- Prior art keywords
- binder system
- polyisocyanate
- modified
- binder
- alcohol
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1891—Catalysts containing secondary or tertiary amines or salts thereof in vaporous state
-
- 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
- B22C1/2273—Polyurethanes; Polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/54—Polycondensates of aldehydes
- C08G18/542—Polycondensates of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8064—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 別々の成分として、 (A)フェノール樹脂成分;及び (B)1つの活性水素原子を有し、脂肪族アルコールで改質したポリイソ シアネートからなるポリイソシアネート成分、 からなり、触媒てきに有効量のアミン硬化触媒で硬化性のポリウレタン−成形 用鋳型結合剤系。 2. フェノール樹脂成分が、(a)二価の金属触媒の共存下でアルデヒド:フ ェノールのモル比が1.1:1〜3:1であるように、アルデヒドとフェノール を反応させることによって調製したポリベンジルエーテルフェノール樹脂、及び (b)レゾール樹脂が可溶性である溶媒からなる請求項1記載の結合剤系。 3. フェノールは、フェノール、o−クレゾール、p−クレゾール及びそsr えらの混合物からなる群か選択する請求項2記載の結合剤系。 4. アルデヒドがホルムアルデヒドである請求項3記載の結合剤系。 5. ポリイソシアネート成分のNCO含量が12%〜33%である請求項4記 載の結合剤系。 6. 1つの活性水素を含有する化合物は、イソセリルアルコール、イソステア リルアルコール、オレイルアルコール及びそれらの混合物から選択される請求 項5記載の結合剤系。 7. ポリベンジルエーテルフェノール樹指のヒドロキジル基と、ポリイソシア ネート硬化剤のイソシアネート基の比が、0.80:1.2〜1.2:0.8 0である請求項6記載の結合剤系。 8. フェノール樹指の調製に使用する二価の金属触媒が亜鉛である請求項7記 載の方法。 9. 改質ポリイソシアネート成分のNCO含量が12%〜33%である請求項 8記載の結合剤系。 10. (A)主量の骨材と、 (B)請求項1、2、3、4、5、6、7、8又は9の有効結合量の 結合剤系、 からなる鋳型配合物。 11. 結合剤組成物は、骨材の重量を基準にして0.6〜5.0重量%である 請求項9記載の鋳型配合物。 12. 次の工程からなり、コールドボックス法による鋳型の製造法: (a)請求項10記載の鋳型配合物を生成する工程; (b)工程(a)から得た鋳型配合物を原型に導入することによって、鋳型 を成形する工程; (c)成形された鋳型配合物に第三級アミン触媒を接触させる工程;及び (d)工程(c)の鋳型を原型から除去する工程。 13. 第三級アミン触媒は、ガス状第三級アミン触媒である請求項12記載の 方法。 14. 結合剤組成物の量は、骨材の重量を基準にして0.6〜5.0重量%で ある請求項13記載の方法。 15. 第三級アミン触媒は、液体第三級アミン触媒である請求項12記載の方 法。 16. 次の工程からなる金属鋳造法: (a)請求項12に従ってい鋳型を調製する工程; (b)液状の金属を前記鋳型の周囲に注入する工程; (c)前記金属を冷却、凝固させる工程;及び (d)次に成形された品物を分離する工程。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/743,765 US5874487A (en) | 1996-11-07 | 1996-11-07 | Foundary binder systems which contain alcohol modified polyisocyanates |
US08/743,765 | 1996-11-07 | ||
PCT/US1997/019126 WO1998019809A1 (en) | 1996-11-07 | 1997-10-20 | Foundry binder systems which contain alcohol modified polyisocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001511707A true JP2001511707A (ja) | 2001-08-14 |
Family
ID=24990077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52146898A Ceased JP2001511707A (ja) | 1996-11-07 | 1997-10-20 | アルコール改質ポリイソシアネート含有の鋳型結合剤 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5874487A (ja) |
EP (1) | EP0949979A4 (ja) |
JP (1) | JP2001511707A (ja) |
AU (1) | AU729059B2 (ja) |
CA (1) | CA2270611A1 (ja) |
WO (1) | WO1998019809A1 (ja) |
ZA (1) | ZA979640B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013532744A (ja) * | 2010-07-30 | 2013-08-19 | エーエスケー ケミカルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 環状ホルマールを用いてコアおよび鋳型を製造するためのポリウレタンをベースとしたバインダー系、成形材料混合物ならびに方法 |
JP2013540863A (ja) * | 2010-09-30 | 2013-11-07 | エーエスケー ケミカルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 鋳造用中子及び鋳型製造のための置換ベンゼン及びナフタレンを含有するバインダー、モールド材混合物及び方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6013695A (en) * | 1998-09-30 | 2000-01-11 | Ashland Inc. | Foundry binders containing modified polyisocyanates |
US6772820B2 (en) * | 1998-11-04 | 2004-08-10 | Ashland Inc. | Polyurethane based binder system for the manufacture of foundry cores and molds |
DE102008007181A1 (de) | 2008-02-01 | 2009-08-06 | Ashland-Südchemie-Kernfest GmbH | Verwendung von verzweigten Alkandiolcarbonsäurediestern in Gießereibindemitteln auf Polyurethanbasis |
US11648605B2 (en) * | 2021-05-10 | 2023-05-16 | ASK Chemicals LLC | Halloysite tubes in ester-cured phenolic bonded foundry shapes |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB994890A (en) * | 1961-12-18 | 1965-06-10 | Ici Ltd | New organic polyisocyanates and their manufacture |
US3429848A (en) * | 1966-08-01 | 1969-02-25 | Ashland Oil Inc | Foundry binder composition comprising benzylic ether resin,polyisocyanate,and tertiary amine |
DE2009179C3 (de) * | 1970-02-27 | 1974-07-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Allophanatpoly isocy anaten |
US4173594A (en) * | 1975-02-24 | 1979-11-06 | Lord Corporation | Thermosetting lacquer compositions |
DE2725318A1 (de) * | 1977-06-04 | 1978-12-14 | Bayer Ag | Verfahren zur herstellung von allophanatgruppen aufweisenden polyisocyanaten |
DE2729990A1 (de) * | 1977-07-02 | 1979-01-18 | Bayer Ag | Verfahren zur herstellung von isocyanatgruppen aufweisenden allophanaten |
US4293480A (en) * | 1979-05-11 | 1981-10-06 | Ashland Oil, Inc. | Urethane binder compositions for no-bake and cold box foundry application utilizing isocyanato-urethane polymers |
US4403086A (en) * | 1981-12-28 | 1983-09-06 | Ford Motor Company | Coating composition comprising chain-extendable crosslinkable polyol and diblocked diisocyanate |
US4554188A (en) * | 1981-12-28 | 1985-11-19 | Ford Motor Company | Chain-extendable crosslinkable urethane modified polyhydroxy oligomers and coating composition comprising same |
US4396738A (en) * | 1982-05-24 | 1983-08-02 | Ashland Oil, Inc. | Aqueous adhesive compositions |
DE3237000A1 (de) * | 1982-10-06 | 1984-04-12 | Hüttenes-Albertus Chemische Werke GmbH, 4000 Düsseldorf | Unter polyurethanbildung kalthaertendes formstoff-bindemittel, dessen herstellung und dessen verwendung |
IT1161062B (it) * | 1983-02-16 | 1987-03-11 | Italiane Vernici Ind | Conduttore elettrico isolato e procedimento per la sua preparazione |
US4760101A (en) * | 1986-08-25 | 1988-07-26 | Ashland Oil, Inc. | Polyurethane-forming binder compositions containing certain carboxylic acids as bench life extenders |
US4738991A (en) * | 1987-01-23 | 1988-04-19 | Basf Corporation | Storage stable polyisocyanates characterized by allophanate linkages |
US4946876A (en) * | 1988-10-31 | 1990-08-07 | Ashland Oil, Inc. | Polyurethane-forming foundry binders containing a polyester polyol |
US5074979B1 (en) * | 1990-06-20 | 1995-02-28 | Ppg Industries Inc | Cationic resin containing blocked isocyanate groups suitable for use in electrodeposition |
US5283311A (en) * | 1992-12-30 | 1994-02-01 | Basf Corporation | Fatty prepolymers and fatty-modified polyisocyanates as internal mold release agents |
US5447968A (en) * | 1993-07-23 | 1995-09-05 | Ashland Inc. | Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10-phenanthroline, and their substituted alkyl derivatives |
US5440003A (en) * | 1993-09-02 | 1995-08-08 | Miles Inc. | Liquid methylene diphenyl diisocyanate |
US5319053A (en) * | 1993-09-02 | 1994-06-07 | Miles Inc. | Liquid diphenylmethane diisocyanate |
US5516859A (en) * | 1993-11-23 | 1996-05-14 | Ashland Inc. | Polyurethane-forming no-bake foundry binder systems |
US5902840A (en) * | 1996-11-07 | 1999-05-11 | Ashland Inc. | Modified polymeric aromatic isocyanates having allophanate linkages |
-
1996
- 1996-11-07 US US08/743,765 patent/US5874487A/en not_active Expired - Fee Related
-
1997
- 1997-10-20 WO PCT/US1997/019126 patent/WO1998019809A1/en not_active Application Discontinuation
- 1997-10-20 EP EP97911876A patent/EP0949979A4/en not_active Withdrawn
- 1997-10-20 AU AU49148/97A patent/AU729059B2/en not_active Ceased
- 1997-10-20 CA CA002270611A patent/CA2270611A1/en not_active Abandoned
- 1997-10-20 JP JP52146898A patent/JP2001511707A/ja not_active Ceased
- 1997-10-28 ZA ZA979640A patent/ZA979640B/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013532744A (ja) * | 2010-07-30 | 2013-08-19 | エーエスケー ケミカルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 環状ホルマールを用いてコアおよび鋳型を製造するためのポリウレタンをベースとしたバインダー系、成形材料混合物ならびに方法 |
JP2013540863A (ja) * | 2010-09-30 | 2013-11-07 | エーエスケー ケミカルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 鋳造用中子及び鋳型製造のための置換ベンゼン及びナフタレンを含有するバインダー、モールド材混合物及び方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2270611A1 (en) | 1998-05-14 |
AU729059B2 (en) | 2001-01-25 |
ZA979640B (en) | 1998-06-30 |
EP0949979A4 (en) | 2000-04-05 |
US5874487A (en) | 1999-02-23 |
EP0949979A1 (en) | 1999-10-20 |
WO1998019809A1 (en) | 1998-05-14 |
AU4914897A (en) | 1998-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040907 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20040914 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20040914 |
|
A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20050131 |
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A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050315 |