Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices. Such devices exhibit a number of desirable properties, including providing wearers with favorable optical quality.

The present invention provides a polymerizable composition containing a polymerizable liquid crystal compound represented by Formula (I) and an oxime compound,

##STR00001## in the formula, A.sup.1 and A.sup.2 each represent a phenylene group or a trans-1,4-cyclohexylene group, L.sup.1 and L.sup.2 each represent single bond, —C(═O)O—, or —OC(═O)—, Q.sup.1 and Q.sup.2 each represent a polymerizable group or the like, m and n represent an integer of 0 to 2, X may represent —X.sup.3-Sp.sup.3-Q.sup.3 or two X's may be bonded to each other to form a fused ring, X.sup.3 represents —C(═O)O—, Sp.sup.1, Sp.sup.2, and Sp.sup.3 each represent single bond, an alkylene group, or the like, Q.sup.3 represents hydrogen atom, a cycloalkyl group, a polymerizable group, or the like, and l represents an integer of 0 to 4. The polymerizable composition hardly causes yellowing after curing and is useful for manufacturing a film and a half mirror for displaying a projection image.

Provided are a curable composition including a compound expressed by General Formula (1) below; a polymerization initiator; and a chain transfer agent, and a cured polymer product. ##STR00001##
In General Formula (1), m represents an integer of 1 to 4, and n represents an integer of 1 to 4. Here, a sum of m and n is not greater than 5. M.sup.A represents a hydrogen ion, an inorganic ion, or an organic ion. Here, an inorganic ion and an organic ion may be bivalent or higher ions. Each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or an alkyl group.

Provided are a curable composition including a compound expressed by General Formula (1) below; a polymerization initiator; and a chain transfer agent, and a cured polymer product. ##STR00001##
In General Formula (1), m represents an integer of 1 to 4, and n represents an integer of 1 to 4. Here, a sum of m and n is not greater than 5. M.sup.A represents a hydrogen ion, an inorganic ion, or an organic ion. Here, an inorganic ion and an organic ion may be bivalent or higher ions. Each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or an alkyl group.

Embodiments of the invention relate to a resin composition, in particular suitable for printing, a kit comprising components of the resin composition, printing methods, a polymer obtained by the printing methods, an article comprising or formed from the polymer, uses thereof, and a composition. The resin composition comprises at least one compound C1 having at least one terminal alkyne functional group; at least one compound C2 having at least two thiol functional groups; at least one compound C3 having at least one carbon-carbon double bond; at least one photoinitiator; and at least one stabilizer.

Embodiments of the invention relate to a resin composition, in particular suitable for printing, a kit comprising components of the resin composition, printing methods, a polymer obtained by the printing methods, an article comprising or formed from the polymer, uses thereof, and a composition. The resin composition comprises at least one compound C1 having at least one terminal alkyne functional group; at least one compound C2 having at least two thiol functional groups; at least one compound C3 having at least one carbon-carbon double bond; at least one photoinitiator; and at least one stabilizer.

Tracers for oil recovery, particularly fluorescent nanotracers conservative in aqueous phases. The tracer comprises a core-shell nanoparticle tailored according to the operation to be traced. It contains a fluorescent core that allows the detection thereof in the field and a functionalized polymeric shell that provides increased stability in high salinity aqueous phases. A method for preparing said nanotracer. Given the nanotracer versatility, it can be used both for tracing fracking steps as well as meshes of secondary and tertiary recovery.

Disclosed herein are visible light curable coating compositions that provide transparent and abrasion-resistant coatings when cured on a substrate. The coating compositions comprise a difunctional acrylate monomer, a multifunctional urethane acrylate, a mercapto modified polyester acrylate, an organic solvent, a sole photoinitiator that is activated in the visible range of the electromagnetic spectrum, and optionally, a colloidal silica component. This invention also relates to articles coated with the visible light curable coating compositions of the invention and processes for preparation of such coated polymeric substrates, such as processes for surface restoration of mounted parts, such as surface restoration of automotive headlamps.

Disclosed herein are visible light curable coating compositions that provide transparent and abrasion-resistant coatings when cured on a substrate. The coating compositions comprise a difunctional acrylate monomer, a multifunctional urethane acrylate, a mercapto modified polyester acrylate, an organic solvent, a sole photoinitiator that is activated in the visible range of the electromagnetic spectrum, and optionally, a colloidal silica component. This invention also relates to articles coated with the visible light curable coating compositions of the invention and processes for preparation of such coated polymeric substrates, such as processes for surface restoration of mounted parts, such as surface restoration of automotive headlamps.

A self-curing coating composition comprising a polymer containing hydroxyl groups, carboxylic acid groups and acid groups comprising sulfonic acid groups and/or phosphoric acid groups is disclosed. Methods for applying the coating to a substrate and packages coated with the compositions are also disclosed.