IT1005962B - IMPROVEMENT IN PROCEDURES FOR THE PREPARATION OF POLYURETHANE PRECURSORS AND PRODUCT OBTAINED - Google Patents
IMPROVEMENT IN PROCEDURES FOR THE PREPARATION OF POLYURETHANE PRECURSORS AND PRODUCT OBTAINEDInfo
- Publication number
- IT1005962B IT1005962B IT5034874A IT5034874A IT1005962B IT 1005962 B IT1005962 B IT 1005962B IT 5034874 A IT5034874 A IT 5034874A IT 5034874 A IT5034874 A IT 5034874A IT 1005962 B IT1005962 B IT 1005962B
- Authority
- IT
- Italy
- Prior art keywords
- procedures
- improvement
- preparation
- product obtained
- polyurethane precursors
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 1
- 239000002243 precursor Substances 0.000 title 1
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
- C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/56—Polyacetals
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35168073A | 1973-04-16 | 1973-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1005962B true IT1005962B (en) | 1976-09-30 |
Family
ID=23381903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT5034874A IT1005962B (en) | 1973-04-16 | 1974-04-11 | IMPROVEMENT IN PROCEDURES FOR THE PREPARATION OF POLYURETHANE PRECURSORS AND PRODUCT OBTAINED |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5012185A (en) |
| AR (1) | AR201763A1 (en) |
| BE (1) | BE813791A (en) |
| BR (1) | BR7402969D0 (en) |
| DE (2) | DE2433020A1 (en) |
| FR (1) | FR2225464A1 (en) |
| IT (1) | IT1005962B (en) |
| NL (1) | NL7404810A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0749260B2 (en) * | 1989-02-09 | 1995-05-31 | 周吾 不破 | Vehicle repair stand |
| JPH0717607Y2 (en) * | 1989-10-06 | 1995-04-26 | 周吾 不破 | Automobile rails and stators |
| DE4104199A1 (en) * | 1991-02-12 | 1992-08-13 | Basf Ag | METHOD FOR PRODUCING POLYURETHANE ELASTOMERS AND COMPOUND MIXTURES OF POLYOXYBUTYLENE POLYOXYALKYLENE GLYCOLS AND GLYCIDYL COMPOUNDS |
-
1974
- 1974-03-29 AR AR25303574A patent/AR201763A1/en active
- 1974-04-03 DE DE19742433020 patent/DE2433020A1/en active Pending
- 1974-04-03 DE DE19742416220 patent/DE2416220A1/en active Pending
- 1974-04-09 NL NL7404810A patent/NL7404810A/xx unknown
- 1974-04-11 IT IT5034874A patent/IT1005962B/en active
- 1974-04-12 FR FR7413079A patent/FR2225464A1/en active Granted
- 1974-04-15 BR BR296974A patent/BR7402969D0/en unknown
- 1974-04-16 BE BE143267A patent/BE813791A/en unknown
- 1974-04-16 JP JP49042670A patent/JPS5012185A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2225464B3 (en) | 1977-02-18 |
| BE813791A (en) | 1974-10-16 |
| BR7402969D0 (en) | 1974-12-03 |
| DE2433020A1 (en) | 1975-01-02 |
| NL7404810A (en) | 1974-10-18 |
| FR2225464A1 (en) | 1974-11-08 |
| JPS5012185A (en) | 1975-02-07 |
| DE2416220A1 (en) | 1974-10-31 |
| AR201763A1 (en) | 1975-04-15 |
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