IT1125749B - Processo per la produzione di poliisocianati liquidi facendo reagire tolile n diisocianato con un triol ossipropilato - Google Patents
Processo per la produzione di poliisocianati liquidi facendo reagire tolile n diisocianato con un triol ossipropilatoInfo
- Publication number
- IT1125749B IT1125749B IT23060/77A IT2306077A IT1125749B IT 1125749 B IT1125749 B IT 1125749B IT 23060/77 A IT23060/77 A IT 23060/77A IT 2306077 A IT2306077 A IT 2306077A IT 1125749 B IT1125749 B IT 1125749B
- Authority
- IT
- Italy
- Prior art keywords
- oxypropilated
- triol
- tolyl
- diisocyanate
- reacting
- Prior art date
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
- C08G18/70—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
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8022—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with polyols having at least three hydroxy groups
- C08G18/8029—Masked aromatic 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
- C08G18/089—Reaction retarding agents
-
- 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
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7837—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing allophanate groups
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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21061/76A GB1520846A (en) | 1976-05-21 | 1976-05-21 | Isocyanates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1125749B true IT1125749B (it) | 1986-05-14 |
Family
ID=10156545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23060/77A IT1125749B (it) | 1976-05-21 | 1977-04-29 | Processo per la produzione di poliisocianati liquidi facendo reagire tolile n diisocianato con un triol ossipropilato |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE854695A (fr) |
| DE (1) | DE2718512A1 (fr) |
| FR (1) | FR2352011A1 (fr) |
| GB (1) | GB1520846A (fr) |
| IT (1) | IT1125749B (fr) |
| NL (1) | NL7704842A (fr) |
| SE (1) | SE7705806L (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2513642B1 (fr) * | 1981-09-25 | 1985-08-09 | Ugine Kuhlmann | Toluene diisocyanate brut modifie permettant d'obtenir des mousses de polyurethannes a haute resilience ameliorees |
| US4906674A (en) * | 1987-10-16 | 1990-03-06 | Ici Americas Inc/Imperial Chemical Industries Plc | Polysocyanate compositions |
| DE4328076A1 (de) * | 1993-08-20 | 1995-02-23 | Bayer Ag | Verfahren zur Herstellung von weichen, Urethangruppen aufweisenden Schaumstoffen |
| US5821275A (en) * | 1997-11-10 | 1998-10-13 | Bayer Corporation | Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams |
| US5955609A (en) * | 1997-12-31 | 1999-09-21 | Bayer Corporation | Trimer catalyst system for aliphatic and aromatic isocyanates |
| US6028158A (en) * | 1997-12-31 | 2000-02-22 | Bayer Corporation | Freeze-stable allophanate-modified toluene diisocyanate trimers |
| US6271279B1 (en) | 2000-07-10 | 2001-08-07 | Bayer Corporation | High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanates |
| KR101954346B1 (ko) * | 2017-12-27 | 2019-03-05 | 에스케이씨 주식회사 | 안정성 및 반응성이 개선된 이소시아네이트 조성물, 및 이를 이용한 광학 렌즈 |
-
1976
- 1976-05-21 GB GB21061/76A patent/GB1520846A/en not_active Expired
-
1977
- 1977-04-26 DE DE19772718512 patent/DE2718512A1/de active Pending
- 1977-04-29 IT IT23060/77A patent/IT1125749B/it active
- 1977-05-03 NL NL7704842A patent/NL7704842A/xx not_active Application Discontinuation
- 1977-05-16 BE BE177624A patent/BE854695A/fr unknown
- 1977-05-17 SE SE7705806A patent/SE7705806L/xx unknown
- 1977-05-20 FR FR7715589A patent/FR2352011A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE854695A (fr) | 1977-11-16 |
| DE2718512A1 (de) | 1977-12-08 |
| NL7704842A (nl) | 1977-11-23 |
| FR2352011A1 (fr) | 1977-12-16 |
| GB1520846A (en) | 1978-08-09 |
| SE7705806L (sv) | 1977-11-22 |
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