C08K2003/0893

ANTIVIRAL ARTICLES

Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.

CORROSION PROTECTION FOR METALLIC SUBSTRATES

A tiecoat coating composition for use in a coating system for a metallic substrate comprising at least three coating layers is disclosed. The system has a primer coating layer which overlies the metallic substrate, a tiecoat coating layer which overlies the primer coating layer, and a finish coating layer which overlies the tiecoat coating layer. The primer coating layer is formed from a primer composition, the tiecoat coating layer is formed from a tiecoat composition, and the finish coating layer is formed from a finish composition. The primer composition comprises a primer carrier medium and a primer corrosion inhibitor in which the primer inhibitor has a galvanic cathodic mechanism. The finish composition is formulated to give a predetermined surface texture and appearance. The tiecoat composition comprises a tiecoat carrier medium and a tiecoat corrosion inhibitor. The tiecoat corrosion inhibitor has a barrier mechanism.

Corrosion protecting layer system, corrosion protected bearing component and method for protecting a bearing component against corrosion
11713398 · 2023-08-01 · ·

A corrosion-protecting layer system, e.g., for a bearing component used in a wind turbine, includes a base layer that contains polyurethane, zinc, and vinylphosphonic acid or silane. An intermediate layer is formed on the base layer and contains polyurethane and zinc. A top layer is formed on the intermediate layer and contains polyurethane and micaceous iron oxide. A sealing layer is formed on the top layer and contains polyurethane.

Methods of forming ionically cross-linked gels

The present invention relates to the formation of gels. In particular, the present invention is directed to a method of forming a cross-linked polymer hydrogel using competitive ligand exchange.

Curing agent composition and curing agent coating formula thereof

A curing agent composition and a curing agent coating formula thereof are provided. The curing agent composition includes 5 to 25 wt % of an ester group-containing amine end group adduct, 2 to 25 wt % of a C8-C22 hydrophobic saturated or unsaturated fatty amine, 2 to 25 wt % of a polyamine compound, 2 to 20 wt % of a silane compound, and 10 to 60 wt % of an ether solvent.

NON-ABLATIVE MULTI-LAYER COATINGS FOR BOAT AND MARINA STRUCTURES THAT PREVENT WATER-DERIVED DAMAGE, CORROSION, AND DETERIORATION FROM BIOLOGICAL CHEMICAL PROCESSES
20230294131 · 2023-09-21 ·

Methods of protecting a submerged surface include applying an adhesion-promoting layer onto a surface. An inner polymer layer is applied onto the adhesion-promoting layer. The inner polymer layer is impregnated with a biologically active chemical substance that inhibits biofouling-induced chemical, biological, and bio-proliferative damage. An outer polymer layer is applied onto the inner polymer layer. The outer polymer layer is impregnated with a biologically active chemical substance that inhibits biofouling-induced chemical, biological, and bio-proliferative damage and that repels biofouling organisms to prevent invasion of the inner polymer layer.

Composition of Styrenic Polymers Derived Through Depolymerization of Polystyrene
20220025151 · 2022-01-27 ·

Styrenic polymers created via the depolymerization of a polystyrene feedstock. In some embodiments the polystyrene feedstock contains recycled polystyrene. In some embodiments, the styrenic polymers contain olefins, iron, titanium, and/or zinc.

Anti-corrosion coating composition

Provided is a humic acid-based coating suspension comprising humic acid, particles of an anti-corrosive pigment or sacrificial metal, and a binder resin dissolved or dispersed in a liquid medium, wherein the humic acid has a weight fraction from 0.1% to 50% based on the total coating suspension weight excluding the liquid medium. Also provided is an object or structure coated at least in part with such a coating.

Coating Compositions Having Improved Corrosion Resistance

The present invention is directed towards curable film-forming coating compositions comprising metal particles; an alkaline earth metal compound comprising an alkaline earth metal oxide, an alkaline earth metal carbonate, an alkaline earth metal hydroxide, an alkaline earth metal sulfate, an alkaline earth metal monocarboxylate, an alkaline earth metal phosphate, or combinations thereof; and an organic film-forming binder. Also disclosed are methods of making curable film-forming coating compositions, methods of coating substrates, and coated substrates resulting therefrom.

Unsaturated polyester resin system for cured in-place piping

A process to use an unsaturated polyester resin system comprising preparing a curable cumene-quat curing system. The cumene-quat curing system can comprise an unsaturated polyester resin, a peroxide initiator, a quaternary ammonium salt component, a 2,4-pentanedione component, and an inhibitor component. The peroxide initiator can comprise a cumene hydroperoxide component. The process can further comprise applying the curable cumene-quat curing system in a cured-in-place pipe rehabilitation process.