KR100299817B1 - 수성도료에대해내성이있는우레탄주조결합제 - Google Patents
수성도료에대해내성이있는우레탄주조결합제 Download PDFInfo
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- KR100299817B1 KR100299817B1 KR1019960044685A KR19960044685A KR100299817B1 KR 100299817 B1 KR100299817 B1 KR 100299817B1 KR 1019960044685 A KR1019960044685 A KR 1019960044685A KR 19960044685 A KR19960044685 A KR 19960044685A KR 100299817 B1 KR100299817 B1 KR 100299817B1
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- 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
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- 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
- B22C1/24—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 oily or fatty substances; of distillation residues therefrom
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- 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
- C08G18/58—Epoxy resins
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- 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
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- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
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Abstract
Description
Claims (35)
- 경화 촉매의 존재하에서 폴리히드록시 페놀성 레졸 수지 성분과 이소시아네이트 성분 사이의 반응에 의해 경화된 결합제를 생성시키기에 충분한 양으로 존재하는 폴리히드록시 페놀성 레졸 수지 성분 및 1가지 이상의 폴리이소시아네이트를 포함하는 이소시아네이트 성분의 혼합물을 포함하며, 상기 혼합물에 용해될 수 있고 2 이상의 작용성을 갖는 에폭시 수지와 파라핀 오일을 포함하는, 수성 도료에 대해 내성이 있는 우레탄 결합제.
- 제1항에 있어서, 이소시아네이트 성분이 폴리히드록시 수지 성분의 중량을 기준으로 하여 15 내지 400 중량%의 양으로 존재하고, 에폭시 수지가 결합제의 약 0.1 내지 25 중량%를 구성하고, 파라핀 오일이 결합제의 0.1 내지 25 중량%를 구성하는 것을 특징으로 하는 결합제.
- 제2항에 있어서, 페놀성 레졸 수지가 오르토-오르토 벤질 에테르 브릿지이고 분자당 둘 이상의 히드록시기를 함유하며 200 내지 1850의 히드록실가를 갖는 지방족 히드록시 화합물을 수지에 공유결합시키는 우수한 페놀성 핵 결합 브릿지를 가지며, 히드록실 화합물 대 페놀의 몰비가 0.001:1 내지 0.03:1 인 것을 특징으로 하는 결합제.
- 제3항에 있어서, 페놀성 수지 성분이 알콕시 변형된 페놀성 레졸 수지인것을 특징으로 하는 결합제.
- 제1항에 있어서, 이소시아네이트 성분이 메틸렌 비페닐 디이소시아네이트를 포함하는 것을 특징으로 하는 결합제.
- 제1항에 있어서, 에폭지 수지의 점도가 200 내지 20,000 센티포이즈이고 에폭시 수지의 에폭시드 당량이 170 내지 500 인 것을 특징으로 하는 결합제.
- 제1항에 있어서, 에폭시 수지의 중량 평균 분자량이 350 내지 4000 인 것을 특징으로 하는 결합제.
- 제1항에 있어서, 에폭시 수지가 비스페놀 A 및 에피클로로히드린으로부터 제조된 글리시딜 에테르인 것을 특징으로 하는 결합제.
- 제1항에 있어서, 에폭시 수지가 순수한 상태의 고체 에폭시이고 혼합물에 용해될 수 있는 것을 특징으로 하는 결합제.
- 제1항에 있어서, 25℃에서 파라핀 오일의 점도가 10 내지 100 센티포이즈인 것을 특징으로 하는 결합제.
- 제10항에 있어서, 25℃에서 파라핀 오일의 점도가 10 내지 50 센티포이즈인 것을 특징으로 하는 결합제.
- 제1항에 있어서, 결합제가 결합제에 적합한 양의 하나 이상의 하기 화학식(I)의 비페닐 화합물을 포함함을 특징으로 하는 결합제:상기 식에서, R1, R2, R3, R4, R5및 R6은 동일하거나 상이할 수 있고, H, 및 C1-C6분지된 및 분지되지 않은 알킬 및 알케닐 치환기로 이루어진 군으로부터 선택되고, 단, R1내지 R6이 각각 수소이고 결합제에 적합한 이러한 화합물이 폴리히드록실 페놀성 레졸 성분과 이소시아네이트 성분으로 이루어진 군중의 한 성분의 1중량% 미만의 양으로 존재하는 경우, 상기 화합물은 하나 이상의 다른 비페닐 화합물과 함께 사용된다.
- 제1항에 있어서, 촉매가 에폭시-에폭시 중합반응 및 에폭시-히드록실 중합 반응으로 이루어진 군으로부터 선택된 하나 이상의 반응을 촉진시키는 촉매를 포함하는 것을 특징으로 하는 결합제.
- 제1항에 있어서, 촉매가 3차 아민을 포함하는 것을 특징으로 하는 결합제.
- 파라핀 오일, 에폭시 수지, 및 1가지 이상의 폴리히드록시 페놀성 레졸 수지와 1가지 이상의 폴리이소시아네이트로 이루어지는 군중의 한 성분의 혼합물을 포함하는, 주조 응집물을 결합시키기 위한 수지 용액의 성분.
- 제15항에 있어서, 상기 군중의 한 성분이 1가지 이상의 폴리이소시아네이트로 이루어지는 것을 특징으로 하는 성분.
- 제15항에 있어서, 상기 군중의 한 성분이 1가지 이상의 폴리히드록시 페놀성 레졸 수지로 이루어지는 것을 특징으로 하는 성분.
- 1:1.1 내지 1:3의 페닐:알데히드 몰비를 갖는 폴리히드록시 페놀성 레졸 수지, 폴리히드록시 페놀성 레졸 수지의 중량을 기준으로 하여 15 내지 400 중량%의 범위로 사용되는 2 이상의 작용기를 갖는 1가지 이상의 폴리이소시아네이트, 우레탄 결합제의 전체 중량을 기준으로 하여 0.1 내지 25 중량%의 에폭시수지, 및 우레탄 결합제의 전체 중량을 기준으로 하여 0.1 내지 25 중량%의 파라핀 오일을 함께 혼합하여 혼합물을 형성시키는 단계를 포함하는, 수성 도료에 대해 내성인 우레탄 결합제를 제조하는 방법.
- 제18항에 있어서, 에폭시 수지의 점도가 200 내지 20,000 센티포이즈이고 에폭시 수지의 에폭시드 당량이 170 내지 500 인 것을 특징으로 하는 방법.
- 제18항에 있어서, 에폭시 수지의 중량 평균 분자량이 350 내지 4000 인 것을 특징으로 하는 방법.
- 제18항에 있어서, 에폭시 수지가 순수한 상태의 고체 에폭시인 것을 특징으로 하는 방법.
- 제18항에 있어서, 에폭시 수지가 비스페놀 A와 에피클로로히드린으로부터 제조된 글리시딜 에테르인 것을 특징으로 하는 방법.
- 제18항에 있어서, 25℃에서 파라핀 오일의 점도가 10 내지 100 센티포이즈 인 것을 특징으로 하는 방법.
- 제23항에 있어서, 25℃에서 파라핀 오일의 점도가 10 내지 50 센티포이즈인것을 특징으로 하는 방법.
- 제18항에 있어서, 폴리히드록시 페놀성 수지를 이소시아네이트 폴리히드록시 성분과 혼합하기 전에, 에폭시 수지가 페놀성 수지와 혼합되는 것을 특징으로 하는 방법.
- 제18항에 있어서, 폴리이소시아네이트를 폴리히드록시 페놀성 수지와 혼합하기 전에, 에폭시 수지가 폴리이소시아네이트와 혼합되는 것을 특징으로 하는 방법.
- 모래와 제1항의 폴리우레탄 결합제를 포함하는 코어.
- 경화 촉매의 존재하에서 폴리히드록시 페놀성 레졸 수지 성분과 이소시아네이트 성분 사이의 반응에 의해 경화된 결합제를 생성시키기에 충분한 양으로 존재하는 폴리히드록시 페놀성 레졸 수지 성분 및 1가지 이상의 폴리이소시아네이트를 포함하는 이소시아네이트 성분의 혼합물을 포함하며, 상기 혼합물에 용해될 수 있고 2 이상의 작용성을 갖는 에폭시 수지를 포함하는, 수성 도료에 내성이 있는 우레탄 결합제.
- 모래와 제1항의 폴리우레탄 결합제를 포함하는 금형.
- 제18항에 따라 제조된 우레탄 결합제를 주조 응집물과 혼합하고, 이 혼합물을 성형시키고, 성형된 혼합물을 3차 아민, 염기성 기체상 촉매 및 염기성 액체 촉매로 이루어진 군으로부터 선택되는 촉매의 존재하에 경화시키는 것을 포함하여, 주조 코어를 제조하는 방법.
- 제18항에 따라 제조된 우레탄 결합제를 주조 응집물과 혼합하고, 이 혼합물을 성형시키고, 성형된 혼합물을 경화시키는 것을 포함하여, 주조 코어를 제조하는 방법으로서, 혼합물이 고온 강도 개선량의 1가지 이상의 하기 화학식(I)의 비페닐 화합물을 포함하는 방법:상기 식에서, R1, R2, R3, R4, R5및 R6은 동일하거나 상이할 수 있고, H, 및 C1-C6분지된 및 분지되지 않은 알킬 및 알케닐 치환기로 이루어진 군으로부터 선택되고, 단, R1내지 R6가 각각 수소이고 결합제에 적합한 이러한 화합물이 폴리히드록실 페놀성 레졸 성분과 이소시아네이트 성분으로 이루어진 군중의 한 성분의 1중량% 미만의 양으로 존재하는 경우, 상기 화합물은 하나 이상의 다른 비페닐 화합물과 함께 사용된다.
- 제31항에 있어서, 경화가 3차 아민, 염기성 기체상 촉매 및 염기성 액체 촉매로 이루어진 군으로부터 선택되는 촉매의 존재하에 일어나는 것을 특징으로 하는 방법.
- 제18항에 따라 제조된 우레탄 결합제를 주조 응집물과 혼합하고, 이 혼합물을 성형시키고, 성형된 혼합물을 3차 아민, 염기성 기체상 촉매 및 염기성 액체 촉매로 이루어진 군으로부터 선택되는 촉매의 존재하에 경화시키는 것을 포함하여, 금형을 제조하는 방법.
- 제18항에 따라 제조된 우레탄 결합제를 주조 응집물과 혼합하고, 이 혼합물을 성형시키고, 성형된 혼합물을 경화시키는 것을 포함하여, 금형을 제조하는 방법으로서, 혼합물이 고온 강도 개선량의 1가지 이상의 하기 화학식(I)의 비페닐 화합물을 포함하는 방법:상기 식에서, R1, R2, R3, R4, R5및 R6은 동일하거나 상이할 수 있고, H, 및 C1-C6분지된 및 분지되지 않은 알킬 및 알케닐 치환기로 이루어진 군으로부터 선택되고, 단, R1내지 R6가 각각 수소이고 결합제에 적합한 이러한 화합물이 폴리히드록실 페놀성 레졸 성분과 이소시아네이트 성분으로 이루어진 군중의 한 성분의 1중량% 미만의 양으로 존재하는 경우, 상기 화합물은 하나 이상의 다른 비페닐 화합물과 함께 사용된다.
- 제34항에 있어서, 경화가 3차 아민, 염기성 기체상 촉매 및 염기성 액체 촉매로 이루어진 군으로부터 선택되는 촉매의 존재하에 일어나는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/544,865 | 1995-10-18 | ||
US08/544,865 US5733952A (en) | 1995-10-18 | 1995-10-18 | Foundry binder of phenolic resole resin, polyisocyanate and epoxy resin |
Publications (2)
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KR970021121A KR970021121A (ko) | 1997-05-28 |
KR100299817B1 true KR100299817B1 (ko) | 2001-11-22 |
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KR1019960044685A Expired - Fee Related KR100299817B1 (ko) | 1995-10-18 | 1996-10-09 | 수성도료에대해내성이있는우레탄주조결합제 |
Country Status (15)
Country | Link |
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US (2) | US5733952A (ko) |
EP (1) | EP0769338A1 (ko) |
JP (1) | JPH09124932A (ko) |
KR (1) | KR100299817B1 (ko) |
CN (1) | CN1149007A (ko) |
AU (1) | AU6795796A (ko) |
BR (1) | BR9602754A (ko) |
CA (1) | CA2171055A1 (ko) |
CO (1) | CO4560420A1 (ko) |
IN (1) | IN187763B (ko) |
MX (1) | MX9601015A (ko) |
NO (1) | NO961986L (ko) |
PE (1) | PE31297A1 (ko) |
SG (1) | SG48464A1 (ko) |
TW (1) | TW357189B (ko) |
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-
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- 1995-10-18 US US08/544,865 patent/US5733952A/en not_active Expired - Fee Related
-
1996
- 1996-03-05 CA CA002171055A patent/CA2171055A1/en not_active Abandoned
- 1996-03-18 MX MX9601015A patent/MX9601015A/es unknown
- 1996-03-28 IN IN564CA1996 patent/IN187763B/en unknown
- 1996-04-03 EP EP96302403A patent/EP0769338A1/en not_active Withdrawn
- 1996-04-09 PE PE1996000246A patent/PE31297A1/es not_active Application Discontinuation
- 1996-04-12 TW TW085104347A patent/TW357189B/zh active
- 1996-05-15 NO NO961986A patent/NO961986L/no not_active Application Discontinuation
- 1996-05-23 JP JP8128035A patent/JPH09124932A/ja active Pending
- 1996-06-12 BR BR9602754A patent/BR9602754A/pt active Search and Examination
- 1996-07-13 SG SG1996010260A patent/SG48464A1/en unknown
- 1996-09-03 CN CN96109643A patent/CN1149007A/zh active Pending
- 1996-09-05 CO CO96047441A patent/CO4560420A1/es unknown
- 1996-10-01 AU AU67957/96A patent/AU6795796A/en not_active Abandoned
- 1996-10-09 KR KR1019960044685A patent/KR100299817B1/ko not_active Expired - Fee Related
-
1997
- 1997-11-28 US US08/980,202 patent/US5981622A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JPH09124932A (ja) | 1997-05-13 |
CA2171055A1 (en) | 1997-04-19 |
EP0769338A1 (en) | 1997-04-23 |
MX9601015A (es) | 1997-04-30 |
TW357189B (en) | 1999-05-01 |
KR970021121A (ko) | 1997-05-28 |
BR9602754A (pt) | 1998-09-08 |
US5981622A (en) | 1999-11-09 |
PE31297A1 (es) | 1997-09-13 |
SG48464A1 (en) | 2000-05-23 |
CN1149007A (zh) | 1997-05-07 |
US5733952A (en) | 1998-03-31 |
NO961986L (no) | 1997-04-21 |
CO4560420A1 (es) | 1998-02-10 |
IN187763B (ko) | 2002-06-22 |
AU6795796A (en) | 1997-04-24 |
NO961986D0 (no) | 1996-05-15 |
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