IT1023163B - Diaril diisocianati collegati da gruppo metilenico - Google Patents
Diaril diisocianati collegati da gruppo metilenicoInfo
- Publication number
- IT1023163B IT1023163B IT53874/74A IT5387474A IT1023163B IT 1023163 B IT1023163 B IT 1023163B IT 53874/74 A IT53874/74 A IT 53874/74A IT 5387474 A IT5387474 A IT 5387474A IT 1023163 B IT1023163 B IT 1023163B
- Authority
- IT
- Italy
- Prior art keywords
- diaril
- diisocyanates
- methylene group
- methylene
- group
- Prior art date
Links
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
-
- 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
- C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US416133A US3903124A (en) | 1973-11-15 | 1973-11-15 | Methylene-bridged diaryl diisocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1023163B true IT1023163B (it) | 1978-05-10 |
Family
ID=23648687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT53874/74A IT1023163B (it) | 1973-11-15 | 1974-11-05 | Diaril diisocianati collegati da gruppo metilenico |
Country Status (7)
Country | Link |
---|---|
US (1) | US3903124A (en]) |
JP (1) | JPS525509B2 (en]) |
BE (1) | BE822187A (en]) |
BR (1) | BR7408424D0 (en]) |
DE (1) | DE2452714A1 (en]) |
GB (1) | GB1428578A (en]) |
IT (1) | IT1023163B (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035318A (en) * | 1975-01-10 | 1977-07-12 | Olin Corporation | High resilience polyurethane foam |
DE3032358A1 (de) * | 1980-08-28 | 1982-04-08 | Bayer Ag, 5090 Leverkusen | Neue polyisocyanate bzw. polyisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren |
JPS6195381U (en]) * | 1984-11-30 | 1986-06-19 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3255226A (en) * | 1962-12-21 | 1966-06-07 | Du Pont | Process for the preparation of arylmethane isocyanates and the purification of alkyl and haloalkyl isocyanates |
-
1973
- 1973-11-15 US US416133A patent/US3903124A/en not_active Expired - Lifetime
-
1974
- 1974-10-10 BR BR8424/74A patent/BR7408424D0/pt unknown
- 1974-10-29 GB GB4676174A patent/GB1428578A/en not_active Expired
- 1974-11-05 IT IT53874/74A patent/IT1023163B/it active
- 1974-11-06 DE DE19742452714 patent/DE2452714A1/de active Pending
- 1974-11-08 JP JP49128820A patent/JPS525509B2/ja not_active Expired
- 1974-11-14 BE BE150497A patent/BE822187A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS525509B2 (en]) | 1977-02-14 |
DE2452714A1 (de) | 1975-05-22 |
JPS5083357A (en]) | 1975-07-05 |
US3903124A (en) | 1975-09-02 |
BR7408424A (pt) | 1975-09-16 |
GB1428578A (en) | 1976-03-17 |
BE822187A (fr) | 1975-05-14 |
BR7408424D0 (pt) | 1975-09-16 |
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