BR8500412A - Processo para a obtencao de poliisocianatos com estrutura de biureto - Google Patents
Processo para a obtencao de poliisocianatos com estrutura de biuretoInfo
- Publication number
- BR8500412A BR8500412A BR8500412A BR8500412A BR8500412A BR 8500412 A BR8500412 A BR 8500412A BR 8500412 A BR8500412 A BR 8500412A BR 8500412 A BR8500412 A BR 8500412A BR 8500412 A BR8500412 A BR 8500412A
- Authority
- BR
- Brazil
- Prior art keywords
- polyisocianates
- obtaining
- biuret structure
- biuret
- obtaining polyisocianates
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1854—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety
- C07C273/1863—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety from urea
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
-
- 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
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (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 |
---|---|---|---|
DE19843403278 DE3403278A1 (de) | 1984-01-31 | 1984-01-31 | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8500412A true BR8500412A (pt) | 1985-09-10 |
Family
ID=6226356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8500412A BR8500412A (pt) | 1984-01-31 | 1985-01-30 | Processo para a obtencao de poliisocianatos com estrutura de biureto |
Country Status (8)
Country | Link |
---|---|
US (1) | US4625052A (pt) |
EP (1) | EP0157088B1 (pt) |
JP (1) | JPS60188415A (pt) |
AU (1) | AU564677B2 (pt) |
BR (1) | BR8500412A (pt) |
CA (1) | CA1248545A (pt) |
DE (2) | DE3403278A1 (pt) |
ES (1) | ES8601866A1 (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2601007B1 (fr) * | 1986-07-04 | 1988-11-10 | Rhone Poulenc Chim Base | Procede de preparation de polyisocyanate a groupement biuret |
FR2603278B1 (fr) * | 1986-09-03 | 1988-11-18 | Rhone Poulenc Chimie | Procede de preparation de polyisocyanate a groupement biuret |
DE3700209A1 (de) * | 1987-01-07 | 1988-07-21 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
DE3742181A1 (de) * | 1987-12-12 | 1989-06-22 | Bayer Ag | Verfahren zur herstellung von biuretpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung |
BR0212992A (pt) * | 2001-09-21 | 2004-09-21 | Du Pont | Processo para a preparação de poliisocianatos, composição dos mesmos, composição de revestimento, substrato revestido e substrato automotivo |
US20080064829A1 (en) * | 2002-09-20 | 2008-03-13 | Adams Jerome T | Preparation and use of biuret-containing polyisocyanates as cross-linking agents for coatings |
DE10348380A1 (de) * | 2003-10-17 | 2005-06-02 | Bayer Materialscience Ag | Mit sekundären Aminen blockierte Polyisocyanate mit Biuretstruktur |
FR2864534B1 (fr) * | 2003-12-24 | 2006-02-17 | Rhodia Chimie Sa | Synthese d'acylurees et composition comportant des acylurees |
US7504523B2 (en) * | 2006-03-10 | 2009-03-17 | Basf Corporation | Uretonimine-modified isocyanate composition and method of forming the same |
US7541397B2 (en) * | 2006-03-10 | 2009-06-02 | Basf Corporation | Uretonimine-modified isocyanate composition and method of forming the same |
EP2272883A1 (de) * | 2009-07-08 | 2011-01-12 | Basf Se | Monomerarmes Polyisocyanatprepolymer und monomerarmer Dosenschaum |
DE102010031684A1 (de) | 2010-07-20 | 2012-01-26 | Bayer Materialscience Ag | Polyurethane mit hoher Lichtbrechung |
DE102010031683A1 (de) | 2010-07-20 | 2012-01-26 | Bayer Materialscience Ag | Polyisocyanatgemische |
CN103724234B (zh) * | 2014-01-03 | 2015-07-15 | 万华化学集团股份有限公司 | 一种制备含有缩二脲的聚异氰酸酯的方法 |
PL238515B1 (pl) | 2016-01-26 | 2021-08-30 | Politechnika Rzeszowska Im Ignacego Lukasiewicza | Blokowane poliizocyjaniany, ich zastosowanie oraz poliuretanowe lakiery proszkowe |
CN112409215A (zh) * | 2020-11-16 | 2021-02-26 | 中海油常州涂料化工研究院有限公司 | 采用微通道反应器合成缩二脲多异氰酸酯的方法及其应用 |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE883504C (de) * | 1944-06-17 | 1953-07-20 | Bayer Ag | Verfahren zur Herstellung von Isocyanatgruppen enthaltenden Kondensationsprodukten |
GB889050A (en) * | 1959-06-12 | 1962-02-07 | Ici Ltd | Process for the manufacture of polyurethanes |
NL294647A (pt) * | 1962-06-27 | |||
BE637578A (pt) * | 1962-09-19 | |||
DE1227003B (de) * | 1962-11-29 | 1966-10-20 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten mit Carbamylbiuret-Struktur |
DE1174760B (de) * | 1963-02-18 | 1964-07-30 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten mit Biuret-Struktur |
DE1227004B (de) * | 1963-04-13 | 1966-10-20 | Bayer Ag | Verfahren zur Herstellung von mehr als zweiwertigen Isocyanaten mit Biuretstruktur- bzw. Carbamylbiuretstruktur |
US3124605A (en) * | 1963-12-05 | 1964-03-10 | Biuret polyisocyanates | |
US3358010A (en) * | 1964-03-11 | 1967-12-12 | Mobay Chemical Corp | Biuret polyisocyanates |
US3462470A (en) * | 1965-06-21 | 1969-08-19 | Allied Chem | Liquid polyisocyanate compositions and process for the manufacture thereof |
US3526652A (en) * | 1966-08-05 | 1970-09-01 | Mobay Chemical Corp | Polyisocyanates-water reaction products |
NL6910540A (pt) * | 1968-07-19 | 1970-01-21 | ||
NO123123B (pt) * | 1969-06-19 | 1971-09-27 | Dynamit Nobel Ag | |
US3824266A (en) * | 1969-12-17 | 1974-07-16 | Bayer Ag | Polyisocyanates which contain biuret groups |
US3862973A (en) * | 1970-03-07 | 1975-01-28 | Bayer Ag | Process for the preparation of polyisocyanates containing biuret groups |
JPS4992024A (pt) * | 1972-11-07 | 1974-09-03 | ||
US3976622A (en) * | 1973-02-17 | 1976-08-24 | Bayer Aktiengesellschaft | Process for the production of polyisocyanates with a biuret structure |
US3954825A (en) * | 1973-08-09 | 1976-05-04 | E. I. Du Pont De Nemours And Company | Biuret polyisocyanates |
US3903126A (en) * | 1973-12-11 | 1975-09-02 | Basf Ag | Manufacture of biuret group-containing polyisocyanates |
DE2437130A1 (de) * | 1974-08-01 | 1976-02-12 | Bayer Ag | Gegen monomerenrueckspaltung stabilisiertes biuretpolyisocyanat-gemisch |
US4147714A (en) * | 1976-03-10 | 1979-04-03 | Bayer Aktiengesellschaft | Process for the preparation of polyisocyanates which contain biuret groups |
US4192936A (en) * | 1976-12-03 | 1980-03-11 | Bayer Aktiengesellschaft | Preparation of polyisocyanates containing biuret groups |
BE864326A (fr) * | 1977-03-01 | 1978-08-28 | Asahi Chemical Ind | Procede pour preparer un polyisocyanate organique |
DD140744A1 (de) * | 1977-10-25 | 1980-03-26 | Detlef Joel | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
DE2803103A1 (de) * | 1978-01-25 | 1979-07-26 | Bayer Ag | Verfahren zur herstellung von biuret- und/oder harnstoffgruppen aufweisenden organischen polyisocyanaten |
US4218390A (en) * | 1979-05-09 | 1980-08-19 | Brusilovsky Mikhail G | Method for preparing biuret-structure polyisocyanates |
DE3007679A1 (de) * | 1980-02-29 | 1981-09-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
US4290969A (en) * | 1980-08-14 | 1981-09-22 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for the continuous production of polyisocyanate |
DE3039600A1 (de) * | 1980-10-21 | 1982-05-19 | Bayer Ag, 5090 Leverkusen | Polyamine, verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethankunststoffen |
DE3041589A1 (de) * | 1980-11-04 | 1982-06-09 | Bayer Ag, 5090 Leverkusen | Carbonsaeure-/carbaminsaeure-anhydride und ihre verwendung als co(pfeil abwaerts)2(pfeil abwaerts)-abspaltendes treibmittel zur herstellung zelliger oder schaumstoffartiger kunststoffe |
DE3112118A1 (de) * | 1981-03-27 | 1982-10-07 | Bayer Ag, 5090 Leverkusen | Polymerisathaltige polyetherpolyamine, verfahren zur herstellung dieser polyamine und deren verwendung als aufbaukomponente zur herstellung von polyurethanen |
US4525590A (en) * | 1981-07-29 | 1985-06-25 | Bayer Aktiengesellschaft | Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups |
DE3223395A1 (de) * | 1982-06-23 | 1983-12-29 | Bayer Ag, 5090 Leverkusen | Primaere aromatische aminogruppen, urethangruppen und polyestergruppierungen aufweisende verbindungen, verfahren zu ihrer herstellung und ihre verwendung als baukomponente von polyurethanen |
-
1984
- 1984-01-31 DE DE19843403278 patent/DE3403278A1/de not_active Withdrawn
-
1985
- 1985-01-21 DE DE8585100574T patent/DE3560054D1/de not_active Expired
- 1985-01-21 EP EP85100574A patent/EP0157088B1/de not_active Expired
- 1985-01-25 CA CA000472919A patent/CA1248545A/en not_active Expired
- 1985-01-25 AU AU38117/85A patent/AU564677B2/en not_active Ceased
- 1985-01-25 US US06/695,144 patent/US4625052A/en not_active Expired - Lifetime
- 1985-01-29 JP JP60013664A patent/JPS60188415A/ja active Granted
- 1985-01-30 BR BR8500412A patent/BR8500412A/pt not_active IP Right Cessation
- 1985-01-30 ES ES539975A patent/ES8601866A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0157088A1 (de) | 1985-10-09 |
CA1248545A (en) | 1989-01-10 |
AU3811785A (en) | 1985-08-08 |
DE3403278A1 (de) | 1985-08-01 |
EP0157088B1 (de) | 1987-01-14 |
US4625052A (en) | 1986-11-25 |
JPS60188415A (ja) | 1985-09-25 |
AU564677B2 (en) | 1987-08-20 |
DE3560054D1 (en) | 1987-02-19 |
ES539975A0 (es) | 1985-11-16 |
ES8601866A1 (es) | 1985-11-16 |
JPH04482B2 (pt) | 1992-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 30/01/2000 |