IT982359B - Leganti per inerti da fonderia - Google Patents
Leganti per inerti da fonderiaInfo
- Publication number
- IT982359B IT982359B IT3059272A IT3059272A IT982359B IT 982359 B IT982359 B IT 982359B IT 3059272 A IT3059272 A IT 3059272A IT 3059272 A IT3059272 A IT 3059272A IT 982359 B IT982359 B IT 982359B
- Authority
- IT
- Italy
- Prior art keywords
- foundry
- binders
- inert
- inert foundry
- Prior art date
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
- B22C1/16—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
- C08G18/08—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
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
-
- 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
-
- 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
- C08G18/546—Oxyalkylated polycondensates of aldehydes
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19262771A | 1971-10-26 | 1971-10-26 | |
US19750371A | 1971-11-10 | 1971-11-10 | |
US23623072A | 1972-03-20 | 1972-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT982359B true IT982359B (it) | 1974-10-21 |
Family
ID=27393072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3059272A IT982359B (it) | 1971-10-26 | 1972-10-18 | Leganti per inerti da fonderia |
Country Status (8)
Country | Link |
---|---|
JP (2) | JPS5133506B2 (it) |
BE (1) | BE790459A (it) |
CA (1) | CA979562A (it) |
DE (1) | DE2251888A1 (it) |
FR (1) | FR2157905B1 (it) |
GB (2) | GB1405114A (it) |
IT (1) | IT982359B (it) |
NL (1) | NL169330C (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933727A (en) * | 1972-09-26 | 1976-01-20 | Ab Bofors | Method of producing polyurethane-based cores and moulds according to the so-called cold-box procedure |
US4108808A (en) * | 1976-11-26 | 1978-08-22 | Basf Wyandotte Corporation | Novel oxyalkylated polyol prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof |
DE2700763C3 (de) * | 1977-01-10 | 1980-10-02 | Ruetgerswerke Ag, 6000 Frankfurt | Wärmehärtbare Bindemittel für Formmassen |
JPS5577219U (it) * | 1978-11-21 | 1980-05-28 | ||
FR2501215B1 (fr) * | 1981-03-06 | 1986-06-27 | Chloe Chemie | Fabrication de mousses rigides de polyurethane a partir de composes polyhydroxyles polyaromatiques |
JPS57187141A (en) * | 1981-05-12 | 1982-11-17 | Mitsubishi Petrochem Co Ltd | Binder composition for molding sand for light alloy |
DE3339174C3 (de) * | 1983-10-28 | 1995-06-01 | Schuiling Metall Chemie B V | Kalthärtbares Bindemittel auf Polyurethan-Basis für Gießereizwecke |
JP4638802B2 (ja) | 2005-10-27 | 2011-02-23 | トヨタ自動車株式会社 | 離型剤又は鋳造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1518546A (fr) * | 1967-04-13 | 1968-03-22 | Bayer Ag | Procédé de préparation de produits de revêtement à partir de composés hydroxylés polyvalents et d'isocyanates polyvalents |
US3499861A (en) * | 1967-05-19 | 1970-03-10 | Hooker Chemical Corp | Room temperature curing resin and foundry sand composition containing same |
-
0
- BE BE790459D patent/BE790459A/xx unknown
-
1972
- 1972-09-28 GB GB4488472A patent/GB1405114A/en not_active Expired
- 1972-09-28 GB GB4547374A patent/GB1405116A/en not_active Expired
- 1972-10-18 IT IT3059272A patent/IT982359B/it active
- 1972-10-23 FR FR7237453A patent/FR2157905B1/fr not_active Expired
- 1972-10-23 CA CA154,479A patent/CA979562A/en not_active Expired
- 1972-10-23 DE DE19722251888 patent/DE2251888A1/de not_active Ceased
- 1972-10-25 JP JP10702672A patent/JPS5133506B2/ja not_active Expired
- 1972-10-26 NL NL7214527A patent/NL169330C/xx not_active IP Right Cessation
-
1976
- 1976-03-18 JP JP3076276A patent/JPS52721A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2157905B1 (it) | 1976-06-04 |
JPS52721A (en) | 1977-01-06 |
JPS557338B2 (it) | 1980-02-25 |
NL169330C (nl) | 1982-07-01 |
JPS5133506B2 (it) | 1976-09-20 |
FR2157905A1 (it) | 1973-06-08 |
CA979562A (en) | 1975-12-09 |
JPS4850936A (it) | 1973-07-18 |
GB1405116A (en) | 1975-09-03 |
NL7214527A (it) | 1973-05-01 |
GB1405114A (en) | 1975-09-03 |
NL169330B (nl) | 1982-02-01 |
BE790459A (fr) | 1973-04-24 |
DE2251888A1 (de) | 1973-05-03 |
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