NEW METALLOSILOXANE HARDENERS FOR EPOXY RESINS Russian patent published in 2023 - IPC C07F7/18 C07F15/02 C08L63/00 C08K5/5419 C08J3/24 

FIELD: metallosiloxane oligomers.

SUBSTANCE: invention relates to metallosiloxane oligomers that can be used for curing and modifying epoxy resins. The use of a metallosiloxane oligomer of the general formula (1) is proposed, where M is a tri- or tetravalent metal selected from the series Fe, Al, Zr, and n + k corresponds to the valence of the metal, provided that n and k≠0, as an epoxy resin hardener, a composition for producing epoxy materials containing an epoxy resin and the specified metallosiloxane oligomer, and an epoxy material for obtaining a film product obtained by curing the proposed composition.

EFFECT: expanding the range of metallosiloxane hardeners for epoxy resins, which have good compatibility with the latter, which makes it easy to cure epoxy resins and obtain defect-free epoxy materials after curing homogeneous composites.

3 cl, 1 dwg, 10 ex