FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing a dispersion based on an organic solvent, which can be used to produce compositions for protecting metal containers for food products and beverages. Method of producing the dispersion consists in forming a network mixed in a melt of a prepolymer, functionalised with a silane of the compound and a polyolefin (co)polymer having carboxylic anhydride groups. Then said melt is mixed with organic solvent to obtain dispersion. Dispersion is then cooled. Prepolymer used is a polyester containing a cyclic diol as an elementary link. Prepolymer is functionalised by an epoxy polymer having a polymer-O-Si-O-polymer bond.
EFFECT: invention enables to obtain a dispersion with a small particle size and a single-layer coating made from a composition based on such a dispersion, with high mechanical characteristics.
5 cl, 5 tbl, 2 ex
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