A method for synthesizing a polymer/pigment hybrid latex through sulfur-free and soap-free in-situ reversible addition-fragmentation chain transfer (RAFT) emulsion copolymerization includes the following: dispersing a pigment with a reactive emulsifier to prepare a pigment dispersion; synthesizing an amphiphilic sulfur-free -vinyl-terminated polymethyl methacrylate (PMMA) macromolecular RAFT agent in-situ on a surface of pigment particles through catalytic chain transfer polymerization (CCTP); and adding an acrylate monomer dropwise, allowing in-situ sulfur-free RAFT polymerization on a surface of pigment particles through the RAFT agent, and adjusting a structure and a composition of an encapsulated polymer layer to obtain a series of uniformly encapsulated and stably dispersed polymer/organic pigment hybrid latexes. The new hybrid latex prepared through sulfur-free and soap-free in-situ RAFT emulsion copolymerization has the characteristics of high dispersion stability, high pigment encapsulation efficiency, clear encapsulated polymer layer sequence, controllable structure, etc., which is suitable for surface encapsulation modification of various pigments.

A method of obtaining a laundry care composition, the method comprising the steps of (a) reacting a reactive leuco compound with a polymer to form a leuco polymer and (b) mixing the leuco polymer with at least one laundry care ingredient. The reactive leuco compound comprises at least one leuco moiety and at least one nucleophilic group. The polymer comprises at least one group capable of reacting with said nucleophilic group. The leuco moiety has a maximum molar extinction coefficient at a wavelength in the range 400 to 750 nm of less than 1000 M.sup.1 cm.sup.1.

An optical filter includes: a resin substrate having a thickness of 20 m or more and 110 m or less; an absorption layer having a thickness of 0.25 m or more and 12 m or less and being disposed on at least one principal surface of the resin substrate; and dielectric multilayer films disposed as an outermost layer on both principal surfaces of the resin substrate. At least one of the dielectric multilayer films is a near-infrared reflection layer. The resin substrate includes a first transparent resin having a glass transition temperature of 170 C. or more and having specific optical properties. The absorption layer includes a near-infrared absorbing dye (A) and a second transparent resin having a glass transition temperature of 170 C. or more, and the near-infrared absorbing dye (A) satisfies specific optical properties in relation to the second transparent resin.

The present disclosure relates generally to multimeric dyes, colored dielectric polymer materials, methods of making them and uses thereof. In particular, the application concerns a colored dielectric polymer material comprising a multimeric dye with structure

##STR00001##

wherein each D is independently a chromophoric unit; each L is independently absent or is a linking group comprising no more than 10 atoms in length as measured in the shortest path from D to A; A is a bridging group; and n is an integer in the range of 1 to 3.

Provided is an interlayer film for laminated glass capable of enhancing the weatherability. The interlayer film for laminated glass according to the present invention contains an anthraquinone dye and a perinone dye.

The present invention relates to a composite pigment comprising at least one small particle with a mean particle size of more than 100 nm and less than 1 m, preferably less than 600 nm, and more preferably less than 400 nm, wherein the surface of the small particle is at least in part covered with at least one layer comprising at least one inorganic solid UV filter and/or at least one coloring pigment. The composite pigment can be prepared by a method comprising a step of subjecting the small particle and at least one inorganic solid UV filter and/or at least one coloring pigment to a mechanochemical fusion process such as a hybridizer process. The composite pigment can be advantageously used as a component for a cosmetic composition.

Disclosed is a photochromic material that includes a first polymeric layer having a photochromic compound that is capable of being activated in response to a stimulus. The first polymeric layer is configured such that the activated photochromic compound becomes inactivated within 10 minutes, preferably within 5 minutes, most preferably within 1 minute, in the absence of said stimulus.

A photosensitive resin composition, a black matrix, a color filter, and a liquid crystal display device including the resin composition are provided. The photosensitive resin composition includes an alkali-soluble resin (A), a compound (B) containing an ethylenically unsaturated group, a photo initiator (C), a solvent (D), and a black pigment (E). The compound (B) containing an ethylenically unsaturated group includes a compound (B-1) represented by the following formula (1). ##STR00001## In formula (1), a represents an integer of 1 to 20; each of R.sup.a and R.sup.b independently represents an acryloyloxy phenyl group, an acryloyloxy alkyl group having 4 to 20 carbons, a methacryloyloxy phenyl group, a methacryloyloxy alkyl group having 5 to 20 carbons, an alkenyl group having 3 to 20 carbons, or an alkenyl aryl group having 8 to 30 carbons; when a is 2 or more, a plurality of R.sup.a and R.sup.b are the same or different.

A curing system for an additive fabrication system includes a light source, a liquid crystal cell, and a first polarizer. The light source is configured to emit light at a wavelength suitable for curing a material. The liquid crystal cell is configured to receive the light from the light source. The first polarizer comprises a polyvinyl alcohol (PVA) matrix and organic dyes impregnated into the PVA matrix.

An inkjet ink includes a quinacridone pigment, a pigment dispersion resin, and a water-soluble organic solvent. The pigment dispersion resin includes an adsorbed resin adsorbed on the quinacridone pigment and an unadsorbed resin that is not adsorbed on the quinacridone pigment. A ratio of the unadsorbed resin to the pigment dispersion resin is 40 mass % or less. The water-soluble organic solvent includes a predetermined water-soluble organic solvent having an octanol/water partition coefficient Log P of 0.00 or more. A content ratio of the predetermined water-soluble organic solvent with respect to a mass of the inkjet ink is 15 mass % or more and 40 mass % or less. A sulfur concentration in a supernatant liquid obtained by centrifuging the inkjet ink at 1,050,000 G for 3 hours is 0.5 ppm or more and 2.0 ppm or less.