COMPOUNDS CONTAINING PERFLUOROALKYL GROUPS, THEIR PREPARATION AND USE AS DEFOAMING AGENTS FOR AQUEOUS DISPERSIONS OF POLYMERS

摘要

1. Compounds of the general formula see diagramm : EP0224099,P8,F1 where R**1 is a hydrocarbon group which connects the two hydroxyl groups to one another via a maximum of 3 carbon atoms, R**2 is a hydrogen radical, an alkyl or aryl group, or the -CH2 O(Cn H2n O)x CH2 CR**3=CH-Cm F2m+1 group, R**3 is a hydrogen radical or a methyl group, n is a number between 2 and 14 whose value may be different within the molecule, m is a number of between 2 and 20, x is a number >= 2.