Advertisements

Synthesis of Multifunctional Silsesquioxane Nanoparticles with Hydroxyl and Polymerizable Groups for UV-curable Hybrid Coating

UV-curable multifunctional silsesquioxane-based nanoparticles (SQ-NPs) with hydroxyl and polymerizable groups were synthesized by hydrolytic co-condensation of two hydroxyl group-containing triethoxysilane (HEA-TES) molecules derived from 2-hydroxyethyl acrylate with hydrophobic triethoxysilanes carrying vinyl, methacryloyl, and methyl groups. The co-condensation in methanol in the presence of an acidic catalyst quantitatively produced multifunctional SQ-NPs with relatively narrow size distributions (average particle diameter < 5 nm) without gelation. The hydrophilic/hydrophobic balance, solubility, crosslinkable vinyl content, and thermal stability of the multifunctional SQ-NPs could be manipulated by changing the composition of the two functionalized triethoxysilanes in the feed. The physical properties of the UV-cured products were investigated in terms of Martens hardness, pencil hardness, and abrasion resistance.

Explore further

Volume 115, June 2017, Pages 43–52

Advertisements

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Advertisements
Advertisements
Advertisements
Advertisements

SUBSCRIBE TO OUR NEWSLETTER

You have successfully subscribed to the newsletter

There was an error while trying to send your request. Please try again.

Paints and Coatings Expert will use the information you provide on this form to be in touch with you and to provide updates and marketing.
%d bloggers like this: