Patent ID: 11912812
Assignee: REPSOL, S.A.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. The process according to claim 7 which comprises
a) mixing the at least one base polyol with the at least one monofunctional polyetheramine, thus obtaining a liquid polyol mixture; and
b) preparing the polymeric particles by adding to the liquid polyol mixture, obtained in a), simultaneously or sequentially in any order
the at least one compound a.1) bearing at least one basic-nitrogen atom characterized by the presence in the molecule of at least one hydrogen atom attached to a nitrogen atom and is selected from melamine, trimethylol melamine, the compound of formula (I), the compound of formula (II), and mixtures thereof; and
the mixture of compounds bearing a phosphorus atom a.2) or the mixture of condensation products a.3).