abstract |
The invention relates to preparations containing at least one low-molecular substance and at least one hyperbranched polymer, the latter having a hydrophilic core containing polyester units and hydrophobic terminal groups. The hyperbranched polymer has a molecular weight greater than or equal to 6000 g/mol and a hydroxyl value ranging between 0 and 200 mg KOH/g, the degree of branching lies between 20 and 70 % and the hyperbranched polymer has a melting temperature of at least 30 °C. |