ES8306475A1 - Procedimiento de obtencion de un polvo granulado,seco,de libre fluencia,a base de isocianato. - Google Patents
Procedimiento de obtencion de un polvo granulado,seco,de libre fluencia,a base de isocianato.Info
- Publication number
- ES8306475A1 ES8306475A1 ES514978A ES514978A ES8306475A1 ES 8306475 A1 ES8306475 A1 ES 8306475A1 ES 514978 A ES514978 A ES 514978A ES 514978 A ES514978 A ES 514978A ES 8306475 A1 ES8306475 A1 ES 8306475A1
- Authority
- ES
- Spain
- Prior art keywords
- resorcinol
- reaction product
- diphenylmethane diisocyanate
- self
- granulating reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
-
- 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
- C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
- C08G18/8019—Masked aromatic polyisocyanates
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)
Abstract
PROCEDIMIENTO DE OBTENCION DE UN POLVO GRANULADO SECO, DE LIBRE FLUENCIA A BASE DE ISOCIANATO. SE HACEN REACCIONAR 100 PARTES EN PESO DE 4,4 -DIFENILMETANO DIISOCIANATO CON DE 2 A 7 PARTES EN PESO DE RESORCINOL, A UNA TEMPERATURA DE 40 A 80 C, EN PRESENCIA DE UNA CANTIDAD DE 0,001 A 5% EN PESO, BASADO EN LA CANTIDAD DE ISOCIANATO, DE MATERIAL CATALITICO QUE CATALIZA LA REACCION ENTRE GRUPOS ISOCIANATO Y GRUPOS HIDROXILO. SE DEJA QUE LA MEZCLA DE REACCION EXPERIMENTE UNA EXOTERMA A UNA TEMPERATURA NO SUPERIOR A 90 C Y SE DEJA ENFRIAR EL PRODUCTO RESULTANTE A UNA TEMPERATURA AMBIENTE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/292,967 US4344892A (en) | 1981-08-14 | 1981-08-14 | Self-granulating reaction product of 4,4'-diphenylmethane diisocyanate and resorcinol |
Publications (2)
Publication Number | Publication Date |
---|---|
ES514978A0 ES514978A0 (es) | 1983-06-01 |
ES8306475A1 true ES8306475A1 (es) | 1983-06-01 |
Family
ID=23127023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES514978A Expired ES8306475A1 (es) | 1981-08-14 | 1982-08-13 | Procedimiento de obtencion de un polvo granulado,seco,de libre fluencia,a base de isocianato. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4344892A (es) |
EP (1) | EP0072483B1 (es) |
JP (1) | JPS5838716A (es) |
BR (1) | BR8204767A (es) |
CA (1) | CA1178292A (es) |
DE (1) | DE3266837D1 (es) |
ES (1) | ES8306475A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5043472A (en) * | 1989-12-21 | 1991-08-27 | Mobay Corporation | Storage stable solid isocyanate compositions, preparation, and method of use thereof |
US6284846B1 (en) * | 1999-11-02 | 2001-09-04 | Ppg Industries Ohio, Inc. | Stable powder coating compositions |
US6294619B1 (en) | 1999-11-02 | 2001-09-25 | Ppg Industries Ohio, Inc. | Stable powder coating compositions which produce consistent finishes |
MY148143A (en) * | 2006-03-03 | 2013-03-15 | Indspec Chemical Corp | Resorcinol-blocked isocyanate compositions and their applications |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3035078A (en) * | 1959-02-04 | 1962-05-15 | Allied Chem | Stabilized polyisocyanate compositions |
DE1618380C3 (de) * | 1967-03-08 | 1975-09-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates |
US3997592A (en) * | 1975-11-24 | 1976-12-14 | E. I. Du Pont De Nemours And Company | Preparation of aqueous dispersions of blocked aromatic polyisocyanates |
-
1981
- 1981-08-14 US US06/292,967 patent/US4344892A/en not_active Expired - Lifetime
-
1982
- 1982-03-22 CA CA000399042A patent/CA1178292A/en not_active Expired
- 1982-08-02 DE DE8282106956T patent/DE3266837D1/de not_active Expired
- 1982-08-02 EP EP82106956A patent/EP0072483B1/en not_active Expired
- 1982-08-10 JP JP57138061A patent/JPS5838716A/ja active Granted
- 1982-08-13 BR BR8204767A patent/BR8204767A/pt unknown
- 1982-08-13 ES ES514978A patent/ES8306475A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4344892A (en) | 1982-08-17 |
EP0072483A1 (en) | 1983-02-23 |
ES514978A0 (es) | 1983-06-01 |
CA1178292A (en) | 1984-11-20 |
DE3266837D1 (en) | 1985-11-14 |
EP0072483B1 (en) | 1985-10-09 |
JPH033686B2 (es) | 1991-01-21 |
JPS5838716A (ja) | 1983-03-07 |
BR8204767A (pt) | 1983-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970203 |