FIELD: nanotechnologies.
SUBSTANCE: invention relates to modified nanoparticles on the basis of pyrogenic silicon dioxide used in compositions for coatings, in particular, automobile and industrial ones. Modified nanoparticles are described, which contain pyrogenic silicon dioxide. Specified nanoparticles are produced by treatment of pyrogenic silicon dioxide with compound of formula (I) Me(OR1)4, in which R1 - lower alkyl, Me - titanium, in amount of 35-40% from weight of silicon dioxide. Composition for coating is also described, which includes specified modified nanoparticles.
EFFECT: invention provides for high-quality coating, which excels similar coating including non-modified pyrogenic silicon dioxide in gloss, opacity and resistance to scratching.
20 cl, 1 tbl, 2 ex
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