According to an example aspect of the present invention, there is provided a composition comprising colloidal lignin particles and an epoxy compound.

An electrically conductive paint is for use at high temperatures. The paint includes conductive particles, such as carbon nanotubes or metal particles, and a silicone base.

The present invention discloses a ketone-aldehyde modified resin and the preparation process thereof. The ketone-aldehyde modified resin comprises a ketone-aldehyde modified unsaturated polyester, a ketone-aldehyde modified unsaturated alkyd or the combination thereof, and wherein the said resin has ketone-aldehyde moieties. The process of the said resin comprises the steps of: reacting unsaturated polyester-forming and/or unsaturated alkyd resin-forming monomer components with a ketone-aldehyde resin. The present invention also discloses a coating composition comprising the said resin as well as a coated article. The ketone-aldehyde modified resin and the coating composition achieve significantly improved fast drying effect, while other properties are not observably impaired or even improved.

The present invention discloses a ketone-aldehyde modified resin and the preparation process thereof. The ketone-aldehyde modified resin comprises a ketone-aldehyde modified unsaturated polyester, a ketone-aldehyde modified unsaturated alkyd or the combination thereof, and wherein the said resin has ketone-aldehyde moieties. The process of the said resin comprises the steps of: reacting unsaturated polyester-forming and/or unsaturated alkyd resin-forming monomer components with a ketone-aldehyde resin. The present invention also discloses a coating composition comprising the said resin as well as a coated article. The ketone-aldehyde modified resin and the coating composition achieve significantly improved fast drying effect, while other properties are not observably impaired or even improved.

A method for improving corrosion resistance of vinyl ester resin is provided, which belongs to the technical field of polymer materials. The method includes adding vinyl ester resin into a MXene nanosheet solution and evaporating the solvent; then adding cobalt isooctoate promoter and butanone peroxide initiator in sequence, standing for curing after defoaming, and then heating.

A method for improving corrosion resistance of vinyl ester resin is provided, which belongs to the technical field of polymer materials. The method includes adding vinyl ester resin into a MXene nanosheet solution and evaporating the solvent; then adding cobalt isooctoate promoter and butanone peroxide initiator in sequence, standing for curing after defoaming, and then heating.

Described herein is an aqueous basecoat composition including a silane-based additive as hardener/self-crosslinking material to improve adhesion of the basecoat to the under—and overlying coating layers, as well as the cohesion property of the basecoat itself. Also described herein is a mixer system for preparing an aqueous refinish basecoat composition including at least one base color component, at least one pigment-free component, at least one hardening component including the silane-based additive and optionally at least one rheology module as well as a method to prepare an aqueous basecoat composition from said mixer system. Further, described herein is a method of coating a substrate with the basecoat composition and a clearcoat composition and jointly curing the basecoat and clearcoat composition as well as to a coated substrate obtained from the method. Finally, described herein is a method of using the silane-based compound as hardening additive in aqueous basecoat compositions.

Described herein is an aqueous basecoat composition including a silane-based additive as hardener/self-crosslinking material to improve adhesion of the basecoat to the under—and overlying coating layers, as well as the cohesion property of the basecoat itself. Also described herein is a mixer system for preparing an aqueous refinish basecoat composition including at least one base color component, at least one pigment-free component, at least one hardening component including the silane-based additive and optionally at least one rheology module as well as a method to prepare an aqueous basecoat composition from said mixer system. Further, described herein is a method of coating a substrate with the basecoat composition and a clearcoat composition and jointly curing the basecoat and clearcoat composition as well as to a coated substrate obtained from the method. Finally, described herein is a method of using the silane-based compound as hardening additive in aqueous basecoat compositions.

A saltwater corrosion resistant composite coating is described. The coating includes at least one conductive polymer, chitosan, reduced graphene oxide (rGO), and a cured epoxy. The rGO and chitosan are dispersed in particles of the conductive polymer to form a 3D network. At least a portion of the chitosan is covalently bound to the rGO. At least a portion of the conductive polymer is covalently bound to the chitosan, and the 3D network is dispersed in the cured epoxy.

A saltwater corrosion resistant composite coating is described. The coating includes at least one conductive polymer, chitosan, reduced graphene oxide (rGO), and a cured epoxy. The rGO and chitosan are dispersed in particles of the conductive polymer to form a 3D network. At least a portion of the chitosan is covalently bound to the rGO. At least a portion of the conductive polymer is covalently bound to the chitosan, and the 3D network is dispersed in the cured epoxy.