IT961977B - Processo per preparare poliisocia nati - Google Patents
Processo per preparare poliisocia natiInfo
- Publication number
- IT961977B IT961977B IT52132/72A IT5213272A IT961977B IT 961977 B IT961977 B IT 961977B IT 52132/72 A IT52132/72 A IT 52132/72A IT 5213272 A IT5213272 A IT 5213272A IT 961977 B IT961977 B IT 961977B
- Authority
- IT
- Italy
- Prior art keywords
- polyisocia
- nati
- prepare
- prepare polyisocia
- polyisocia nati
- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C267/00—Carbodiimides
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/901—Cellular polymer containing a carbodiimide structure
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 |
---|---|---|---|
US17172571A | 1971-08-13 | 1971-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT961977B true IT961977B (it) | 1973-12-10 |
Family
ID=22624888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52132/72A IT961977B (it) | 1971-08-13 | 1972-08-11 | Processo per preparare poliisocia nati |
Country Status (10)
Country | Link |
---|---|
US (1) | US3761502A (it) |
JP (1) | JPS5037172B2 (it) |
BE (1) | BE787395A (it) |
CA (1) | CA999301A (it) |
DE (1) | DE2239645C3 (it) |
FR (1) | FR2150099A5 (it) |
GB (1) | GB1359619A (it) |
IT (1) | IT961977B (it) |
NL (1) | NL149516B (it) |
ZA (1) | ZA725280B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1397469A (en) * | 1973-01-15 | 1975-06-11 | Ici Ltd | Process for converting isocyanate groups to carbodiimide groups |
DE2504400A1 (de) * | 1975-02-01 | 1976-08-05 | Bayer Ag | Lagerstabile, carbodiimidgruppen enthaltende polyisocyanate |
DE2504334A1 (de) * | 1975-02-01 | 1976-08-05 | Bayer Ag | Hochmolekulare, unloesliche carbodiimidisierungskatalysatoren |
GB1483957A (en) * | 1975-05-19 | 1977-08-24 | Ici Ltd | Diphenylmethane diisocyanate compositions |
GB1567713A (en) * | 1977-01-31 | 1980-05-21 | Upjohn Co | Process for preparing carbodiimide-containing polyisocyanates |
US4154752A (en) * | 1978-05-05 | 1979-05-15 | Mobay Chemical Corporation | Preparation of partially carbodiimidized methylenebis (phenyl isocyanate) |
US4198489A (en) * | 1978-10-30 | 1980-04-15 | Basf Wyandotte Corporation | Polyurethane foams prepared from highly stable liquid carbodiimide-containing 4,4'-diphenylmethane diisocyanate |
US4199524A (en) * | 1978-10-30 | 1980-04-22 | Basf Wyandotte Corporation | Stable liquid carbodiimide-containing polyisocyanate compositions |
US4177205A (en) * | 1978-11-20 | 1979-12-04 | Basf Wyandotte Corporation | Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions |
US4294951A (en) * | 1980-07-14 | 1981-10-13 | Mitsui-Nisso Corporation | Rapid curing polyurethane elastomer prepared from a diphenylmethanediisocyanate based liquid prepolymer and a curing agent containing a polytetramethylene ether glycol, a diol and an organometallic catalyst |
US4306052A (en) * | 1980-09-25 | 1981-12-15 | The Upjohn Company | Thermoplastic polyester polyurethanes |
DE3643239C2 (it) * | 1985-03-29 | 1990-12-20 | ||
JPH0224570Y2 (it) * | 1985-10-14 | 1990-07-05 | ||
DE102009027246A1 (de) * | 2009-06-26 | 2010-12-30 | Evonik Degussa Gmbh | Katalysatorarme Carbodiimidgruppen und/oder Uretonimingruppen aufweisende Isocyanatmischungen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3152162A (en) * | 1959-07-29 | 1964-10-06 | Bayer Ag | Polyisocyanate-carbodiimide adducts and process for the production thereof |
DE1156401B (de) * | 1960-05-24 | 1963-10-31 | Bayer Ag | Verfahren zur Herstellung von Carbodiimiden |
US3522303A (en) * | 1964-08-12 | 1970-07-28 | Upjohn Co | Phosphorous compounds |
US3635947A (en) * | 1967-01-10 | 1972-01-18 | Olin Mathieson | Catalytic process for the preparation of monocarbodiimides and isocyanate-monocarbodiimide adducts |
-
0
- BE BE787395D patent/BE787395A/xx unknown
-
1971
- 1971-08-13 US US00171725A patent/US3761502A/en not_active Expired - Lifetime
-
1972
- 1972-08-01 CA CA148,413A patent/CA999301A/en not_active Expired
- 1972-08-01 ZA ZA725280A patent/ZA725280B/xx unknown
- 1972-08-01 GB GB3593072A patent/GB1359619A/en not_active Expired
- 1972-08-08 NL NL727210861A patent/NL149516B/xx not_active IP Right Cessation
- 1972-08-11 FR FR7229146A patent/FR2150099A5/fr not_active Expired
- 1972-08-11 DE DE2239645A patent/DE2239645C3/de not_active Expired
- 1972-08-11 IT IT52132/72A patent/IT961977B/it active
- 1972-08-14 JP JP47080819A patent/JPS5037172B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE787395A (fr) | 1973-02-12 |
ZA725280B (en) | 1973-04-25 |
GB1359619A (en) | 1974-07-10 |
FR2150099A5 (it) | 1973-03-30 |
DE2239645C3 (de) | 1975-09-04 |
DE2239645B2 (de) | 1975-01-16 |
AU4534172A (en) | 1973-09-06 |
NL149516B (nl) | 1976-05-17 |
DE2239645A1 (de) | 1973-03-01 |
US3761502A (en) | 1973-09-25 |
CA999301A (en) | 1976-11-02 |
JPS4828450A (it) | 1973-04-14 |
NL7210861A (it) | 1973-02-15 |
JPS5037172B2 (it) | 1975-12-01 |
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