FR2366320A1 - Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuder - Google Patents
Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuderInfo
- Publication number
- FR2366320A1 FR2366320A1 FR7729078A FR7729078A FR2366320A1 FR 2366320 A1 FR2366320 A1 FR 2366320A1 FR 7729078 A FR7729078 A FR 7729078A FR 7729078 A FR7729078 A FR 7729078A FR 2366320 A1 FR2366320 A1 FR 2366320A1
- Authority
- FR
- France
- Prior art keywords
- preparation
- polyurethane foams
- exhaust
- small quantities
- aromatic amines
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 2
- 239000011496 polyurethane foam Substances 0.000 title abstract 2
- 150000004982 aromatic amines Chemical class 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
- 239000006260 foam Substances 0.000 abstract 2
- -1 aliphatic isocyanate Chemical class 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C08G18/7806—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
-
- 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
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/725—Combination of polyisocyanates of C08G18/78 with other 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72846476A | 1976-09-29 | 1976-09-29 | |
US83162877A | 1977-09-08 | 1977-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366320A1 true FR2366320A1 (fr) | 1978-04-28 |
FR2366320B1 FR2366320B1 (enrdf_load_stackoverflow) | 1984-07-27 |
Family
ID=27111696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7729078A Granted FR2366320A1 (fr) | 1976-09-29 | 1977-09-27 | Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuder |
Country Status (10)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441637A1 (fr) * | 1978-11-20 | 1980-06-13 | Grace W R Ltd | Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne |
FR2539420A1 (fr) * | 1983-01-17 | 1984-07-20 | Grace W R Ltd | Agents d'epuration d'amines aromatiques de fort poids moleculaire, melange pour la preparation de mousses de polyurethane hydrophile et mousses hydrophiles reticulees |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9108552D0 (en) * | 1991-04-22 | 1991-06-05 | Shell Int Research | A process for preparing soft,flexible water-blown foams,and soft,flexible water-blown foams so prepared |
DE19928676A1 (de) | 1999-06-23 | 2000-12-28 | Basf Ag | Polyisocyanat-Polyadditionsprodukte |
DE10158154A1 (de) | 2001-11-28 | 2003-06-18 | Bayer Ag | Trennmittel und Verfahren zur Herstellung von Kunststoffformteilen |
US20230048176A1 (en) * | 2020-03-27 | 2023-02-16 | Covestro Deutschland Ag | Flexible polyurethane foam |
-
1977
- 1977-09-24 DE DE19772743126 patent/DE2743126A1/de active Granted
- 1977-09-26 SE SE7710742A patent/SE437994B/xx not_active IP Right Cessation
- 1977-09-27 IT IT27993/77A patent/IT1143694B/it active
- 1977-09-27 FI FI772840A patent/FI772840A7/fi not_active Application Discontinuation
- 1977-09-27 FR FR7729078A patent/FR2366320A1/fr active Granted
- 1977-09-27 NL NLAANVRAGE7710525,A patent/NL183653C/xx not_active IP Right Cessation
- 1977-09-27 GB GB40212/77A patent/GB1565124A/en not_active Expired
- 1977-09-27 NZ NZ185278A patent/NZ185278A/en unknown
- 1977-09-27 AU AU29165/77A patent/AU509980B2/en not_active Expired
- 1977-09-29 JP JP11616177A patent/JPS5359793A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441637A1 (fr) * | 1978-11-20 | 1980-06-13 | Grace W R Ltd | Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne |
FR2539420A1 (fr) * | 1983-01-17 | 1984-07-20 | Grace W R Ltd | Agents d'epuration d'amines aromatiques de fort poids moleculaire, melange pour la preparation de mousses de polyurethane hydrophile et mousses hydrophiles reticulees |
Also Published As
Publication number | Publication date |
---|---|
AU2916577A (en) | 1979-04-05 |
DE2743126C2 (enrdf_load_stackoverflow) | 1992-05-27 |
NL183653C (nl) | 1988-12-16 |
JPS5359793A (en) | 1978-05-29 |
IT1143694B (it) | 1986-10-22 |
FI772840A7 (fi) | 1978-03-30 |
NL183653B (nl) | 1988-07-18 |
SE7710742L (sv) | 1978-03-30 |
AU509980B2 (en) | 1980-06-05 |
SE437994B (sv) | 1985-03-25 |
FR2366320B1 (enrdf_load_stackoverflow) | 1984-07-27 |
JPS6246567B2 (enrdf_load_stackoverflow) | 1987-10-02 |
DE2743126A1 (de) | 1978-04-06 |
GB1565124A (en) | 1980-04-16 |
NL7710525A (nl) | 1978-03-31 |
NZ185278A (en) | 1980-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE899102A (fr) | Procede pour enlever le peroxyde d'hydrogene de lentilles souples de contact. | |
BE899570A (fr) | Polyurethane modifie dispersable dans l'eau. | |
ATE69451T1 (de) | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats. | |
AR241603A1 (es) | Procedimiento para inhibir los efectos deteriorantes del oxigeno libre disuelto. | |
FR2608464B1 (fr) | Dispositif pour l'introduction d'un fluide dans un milieu recepteur, tel que celui d'un appareil utilise pour le traitement de liquides, notamment de l'eau | |
ES8206570A1 (es) | Un procedimiento para la preparacion de copolimeros fluorados. | |
NO149841C (no) | Fremgangsmaate og anordning for aerob, biologisk behandling av slamholdig kloakkvann | |
SE7801231L (sv) | Anordning for diffusion av emnen mellan tva fluida atskilda av ett semipermeabelt membran | |
FR2479249B1 (fr) | Procede de preparation d'une composition liquide a base de polyisocyanate, stable a l'entreposage, contenant un agent de demoulage et composition obtenue | |
DE3166398D1 (en) | A device for the transfer of one or more substances between a gas and a liquid | |
FR2366320A1 (fr) | Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuder | |
BE901420A (fr) | Procede pour la preparation de sels de metaux alcalins d'acides polyethoxycarboxyliques. | |
ES533881A0 (es) | Procedimiento para obtener un liquido claro biologico de suero o plasma sanguineo de humano. | |
BR8207500A (pt) | Composicao concentrada de espuma contra incendio com base aquosa, composicao aquosa, processo para a extincao de incendio | |
ES8304538A1 (es) | "procedimiento para la preparacion de nuevas fenilalcohilaminas". | |
KR880008943A (ko) | 수용액으로 부터 중금속 및 다른 이온들을 제거하는 방법 | |
FR2413096A1 (fr) | Systeme d'apport par diffusion de substances diverses, notamment de medicaments, a un milieu environnant | |
MX158145A (es) | Mejoras en proceso para microencapsular gotas de liquido hidrofilo en fase continua hidrofoba | |
EP0084285A3 (fr) | Procédé de traitement des eaux résiduaires contenant des amines aromatiques | |
JPS5794653A (en) | Element for analysis | |
JPH06206082A (ja) | アジドを酸化分解する方法および処理剤 | |
JPS5748656A (en) | Chemical agent for detecting peroxide-active substance | |
FR2608173B1 (fr) | Bains et procede pour le polissage chimique de surfaces en acier inoxydable | |
FR2613942B1 (fr) | Dispositif pour liberer lentement des substances chimiques, notamment dans des cavites du corps d'un animal | |
JPS5378665A (en) | Method of refining valuable substance contained liquid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |