CONTROLLED ADDITION OF LIGAND IN POLYOL SYNTHESIS
The present invention relates to a process for the alkali metal base-catalyzed preparation of polyols comprising oxyalkylene units, comprising the addition of a ligand for chelating said alkali metal over a total period of time t ≥ 5 min during the reaction time, to a polyol comprising oxyalkylene u...
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| Format | Patent |
| Language | English French |
| Published |
25.07.2024
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| Abstract | The present invention relates to a process for the alkali metal base-catalyzed preparation of polyols comprising oxyalkylene units, comprising the addition of a ligand for chelating said alkali metal over a total period of time t ≥ 5 min during the reaction time, to a polyol comprising oxyalkylene units, and to the use of said polyol.
La présente invention concerne un procédé de préparation catalysée par une base de métal alcalin de polyols comprenant des unités oxyalkylène, consistant à additionner un ligand pour chélater ledit métal alcalin sur une période totale de temps t ≥ 5 min pendant le temps de réaction, à un polyol comprenant des unités oxyalkylène, ainsi que l'utilisation dudit polyol. |
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| AbstractList | The present invention relates to a process for the alkali metal base-catalyzed preparation of polyols comprising oxyalkylene units, comprising the addition of a ligand for chelating said alkali metal over a total period of time t ≥ 5 min during the reaction time, to a polyol comprising oxyalkylene units, and to the use of said polyol.
La présente invention concerne un procédé de préparation catalysée par une base de métal alcalin de polyols comprenant des unités oxyalkylène, consistant à additionner un ligand pour chélater ledit métal alcalin sur une période totale de temps t ≥ 5 min pendant le temps de réaction, à un polyol comprenant des unités oxyalkylène, ainsi que l'utilisation dudit polyol. |
| Author | BLANCO GONZÁLEZ, María Dolores MIRANDA LÓPEZ-MARÍN, Juan de Dios FRAGA TRILLO, Luisa María DUEÑAS DÍEZ, Marta GARCÍA RUIZ, Mónica CARAZO ANGULO, José Antonio |
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| DocumentTitleAlternate | ADDITION CONTRÔLÉE DE LIGAND DANS LA SYNTHÈSE DE POLYOLS |
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| Snippet | The present invention relates to a process for the alkali metal base-catalyzed preparation of polyols comprising oxyalkylene units, comprising the addition of... |
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| Title | CONTROLLED ADDITION OF LIGAND IN POLYOL SYNTHESIS |
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