Abstract: A polarizing plate and a display device including the same. The polarizing plate includes a retardation layer exhibiting ultraviolet blocking characteristics even in a state where the retardation layer does not include any ultraviolet absorber or light stabilizer. The polarizing plate can be used alone or in combination with an appropriate sunscreen or a light stabilizer as needed to selectively block ultraviolet rays in a region requiring blocking, without affecting display performance, such as color senses and image quality, of a display device. The polarizing plate can also be formed with a small thickness without requiring a separate ultraviolet blocking layer, and also has excellent durability, because the polarizing plate exhibits a certain ultraviolet blocking property even in the absence of an ultraviolet absorber or light stabilizer.

Abstract: A laminate film comprising a retardation layer exhibiting blocking characteristics against specific ultraviolet rays even in a state where the retardation layer does not include any ultraviolet absorber or light stabilizer. The laminate film which can be used alone or in combination with an appropriate sunscreen or a light stabilizer as needed to selectively block ultraviolet rays in a region requiring blocking, without affecting display performance, such as color senses and image quality, of a display device. The laminate film can also be formed with a lower thickness without requiring a separate ultraviolet blocking layer, and also has excellent durability, because the laminate film exhibits a certain ultraviolet blocking property even in the absence of an ultraviolet absorber or light stabilizer.

Abstract: The present invention relates to a compound of formula (I) below: in which: R1 represents, in particular, an alkylene group comprising from 1 to 6 carbon atoms; R2 and R3 are, in particular, H; n is 0, 1, 2 or 3; and R4 is chosen from the group consisting of: NO2, ORa, SRa and NRaRb, wherein Ra and Rb are as defined above; R5 and R6, identical or different, represent an alkyl or alkoxy group comprising from 1 to 6 carbon atoms; and R7, R8 and R9, identical or different, represent an alkyl group comprising from 2 to 6 carbon atoms.

Abstract: Provided is a polycarbonate resin composition that can block ultraviolet light as well as light on the visible light side therefrom at wavelengths of 400 to 420 nm, and that is free of the problem of gas generation during molding. The polycarbonate resin composition characteristically comprises, per 100 parts by mass of a polycarbonate resin (A), (i) 0.02 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B1) having a maximum absorption wavelength of at least 375 nm in the absorption curve determined according to JIS K 7105 using the following formula, or (ii) 0.08 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B2) having a maximum absorption wavelength of at least 360 nm and less than 375 nm in the absorption curve determined according to JIS K 7105 using the following formula; and 0.01 to 0.5% by mass of a stabilizer (C).

Abstract: Provided is a polycarbonate resin composition that can block ultraviolet light as well as light on the visible light side therefrom at wavelengths of 400 to 420 nm, and that is free of the problem of gas generation during molding. The polycarbonate resin composition characteristically comprises, per 100 parts by mass of a polycarbonate resin (A), (i) 0.02 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B1) having a maximum absorption wavelength of at least 375 nm in the absorption curve determined according to JIS K 7105 using the following formula, or (ii) 0.08 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B2) having a maximum absorption wavelength of at least 360 nm and less than 375 nm in the absorption curve determined according to JIS K 7105 using the following formula; and 0.01 to 0.5% by mass of a stabilizer (C).

Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of un-sulfurized alkyl phenols.

Abstract: A laminated glass includes a vehicle-outer side glass plate, a vehicle-inner side glass plate, an interlayer film disposed between the vehicle-outer side glass plate and the vehicle-inner side glass plate, and a first film disposed between the interlayer film and one of the vehicle-outer side glass plate and the vehicle-inner side glass plate, the first film being bonded by a first adhesive layer to the one of the vehicle-outer side glass plate and the vehicle-inner side glass plate, wherein the first film is disposed in at least a part of a display area configured to display information by reflecting an image projected from an inside of a vehicle, and wherein a thickness of the first adhesive layer is 6 ?m or more, and is less than 25 ?m.

Abstract: To provide a plastic lens which can absorb light with a wavelength of 400 to 420 nm with sufficiently high efficiency but is reduced in the absorption of light with a wavelength of around 420 nm or longer, is less affected by harmful light, suppresses yellow coloration and therefore has excellent appearance, suppresses yellowish discoloration over time, and has excellent heat resistance, light resistance, and also optical performance, particularly an excellent Abbe's number.

Abstract: Provided is a liquid crystal aligning agent composition comprising a hindered amine-based light stabilizer and a polyamic acid polymer derived from a diamine, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.

Abstract: The disclosure provides for provides for water-soluble near-infra red (NIR) emissive compounds, processes of making the compounds thereof, and use of the compounds therein.

Abstract: Provided is a polycarbonate resin composition that can block ultraviolet light as well as light on the visible light side therefrom at wavelengths of 400 to 420 nm, and that is free of the problem of gas generation during molding. The polycarbonate resin composition characteristically comprises, per 100 parts by mass of a polycarbonate resin (A), (i) 0.02 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B1) having a maximum absorption wavelength of at least 375 nm in the absorption curve determined according to JIS K 7105 using the following formula, or (ii) 0.08 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B2) having a maximum absorption wavelength of at least 360 nm and less than 375 nm in the absorption curve determined according to JIS K 7105 using the following formula; and 0.01 to 0.5% by mass of a stabilizer (C).

Abstract: Disclosed is a method of reducing a haze value in molding compositions including use of colorants selected from anthraquinone colorants, benzimidazolone colorants and perinone colorants.

Abstract: A liquid crystal cell includes a color filter substrate, an array substrate, a liquid crystal layer, and two alignment control layers. The color filter substrate includes a color conversion layer for converting color of light but not include an alignment film containing polyamic acid or polyamide. The array substrate is opposed to the color filter substrate. The alignment control layers are formed on an inner surface of the color filter substrate and an inner surface of the array substrate, respectively. The alignment control layers contact the liquid crystal layer. The alignment control layers are made of reactants of radical polymerizable monomers added to a liquid crystal material for forming the liquid crystal layer. The alignment control layers control orientations of liquid crystal molecules in the liquid crystal layer. The radical polymerizable monomers include radical polymerizable monomers having ultraviolet-ray absorbing functional groups.

Abstract: To provide an optical filter having shielding effects against near ultraviolet rays and near infrared rays. An optical filter comprising a transparent resin body having a single layer or multilayer structure, and containing a near ultraviolet absorbing dye (U) which is a compound represented by the following formula (U) and which has an absorption maximum at a wavelength of from 370 to 425 nm and has a molar absorptivity at the maximum absorption wavelength of at least 50,000 [L/(mol·cm)], and a near infrared absorbing dye (A) which has an absorption maximum at a wavelength of from 600 to 800 nm: In the formula (U), Y is an oxygen atom, a methylene group or a dimethylene group, R1 is a monovalent hydrocarbon group which may have a substituent, or the like, R2 to R5 are a hydrogen atom, an alkyl group, an alkoxy group or the like, and X is a bivalent group represented by any one of the formulae (X1) to (X5) or the like.

Abstract: The invention is directed to a polarizing plate protective film containing a polymer having at least one of an ester bond and an amide bond and a compound which generates a base by an action of an acid, a polarizing plate including the polarizing plate protective film and a polarizer, a liquid crystal display device including a liquid crystal cell and the polarizing plate, and a production method of a polarizing plate protective film including producing the Polarizing plate protective film with a composition containing a polymer having at least one of an ester bond and an amide bond and a compound which generates a base by an action of an acid.

Abstract: A new novolac curing agent with an alkoxysilyl group exhibiting excellent heat resistance such as a low CTE and an high Tg when a composite is formed, a preparing method of the same, a composition including the same, a cured article, and an use thereof, are provided. The new novolac curing agent having an alkoxysilyl group of Formulae I-1 to I-4, a preparing method of the new novolac curing agent by alkenylation and alkoxysilylation of the novolac curing agent, a preparing method of the new novolac curing agent by alkoxysilylation of a novolac curing agent, a composition including a novolac curing agent having an alkoxysilyl group of Formulae I-1 to I-4, a cured article and a use thereof, are provided. A composite including a novel novolac curing agent having an alkoxysilyl group exhibits a low CTE and a high glass transition temperature.

Abstract: Disclosed is a scorch inhibitor composition comprising (A) one or more 2,2,4-trimethyl-1,2-dihydroquinoline compound, (B) one or more lactone, (C) one or more phenolic compound, (D) optionally one or more tocopherol, and (E) optionally one or more phosphite compound.

Abstract: A non-irritation, non-blurring ophthalmic sunscreen composition contains a liquid vehicle base, such as an artificial tear formulation or an ophthalmic suspension or ointment. The composition includes at least one inorganic and/or at least one organic active ingredient. The inorganic active ingredients may include, but not be limited to zinc oxide, titanium dioxide, iron oxide, zirconium oxide, and cerium oxide. The organic active ingredients may include, but not be limited to dioxybenzone, octinoxate, octisalate, homosalate, avobenzone, octocrylene, para-aminobenzoic acid, cinoxate, methyl anthranilate, octocrylene, padimate O, ensulizole, sulisobenzone, trolamine salicylate, and ecamsule.

Abstract: The invention relates to an illumination apparatus (100), especially for a motor vehicle, comprising at least one laser light source (10); a wavelength conversion element (20) that is designed to receive excitation light from the at least one laser light source (10); and a reflector (30) having at least one reflector body (30?), which at least one reflector body (30?) comprises a reflecting surface (31), which reflecting surface (31) reflects the light emitted by the wave-length conversion element (20) in the visible wavelength range, wherein the reflector (30), at its reflector surface (30a) bearing the reflecting surface (31), is provided with the reflecting surface (31), wherein the reflector surface (30a) has at least one region (30a?, 30a?) that is free of the reflecting surface (31), and wherein the reflector surface (30a), at least in the region (30a?, 30a?) that is free of the reflecting surface (31), is embodied such that at least some of the excitation light incident in the region (30a?, 30a?) is ab

Abstract: The present invention provides, among others, compounds of Formula (I) or a salt thereof, methods for making these compounds, degradable polymers and reinforced composites made therefrom, and methods for degrading and/or recycling the degradable polymers and reinforced composites.

Abstract: The present invention relates to a water-purifying composite material, especially a water-purifying composite material for use in the photocatalytic destruction of pollutants in water. The water-purifying composite materials of the invention are uniquely formed by growing crystals of photocatalytic metal compounds in situ within interlayer regions or pores within an aluminosilcate mineral structure, to thereby provide highly catalytic species for use in oxidative photocatalytic water treatments.

Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a first region closest to the first electrode, the first region having a first composition ratio (p1/n1) of a p-type semiconductor relative to an n-type semiconductor, a second region closest to the second electrode, the second region having a second composition ratio (p2/n2) of the p-type semiconductor relative to the n-type semiconductor, and a third region between the first region and the second region in a thickness direction, the third region having a third composition ratio (p3/n3) of the p-type semiconductor relative to the n-type semiconductor that is greater or less than the first composition ratio (p1/n1) and the second composition ratio (p2/n2).

Abstract: Provided in the present invention is a vinylidene fluoride copolymer. Same is acquired via a polymerization reaction taking place at conditions of 30-100° C. and 2-7 MPa with vinylidene fluoride, tetrafluoroethylene, and perfluorinated dioxole or C1-4 alkoxy-substituted perfluorinated dioxole as raw materials, with an initiator added into an emulsion consisting of water, fluorinated emulsifier, a chain transfer agent, a pH regulator, and an antifouling agent, and then via steps of separation, purification, refinement, condensation, washing, drying, and granulation, where the molar ratio of vinylidene fluoride, tetrafluoroethylene, and perfluorinated dioxole or C1-4 alkoxy-substituted perfluorinated dioxole is 13-17:2-4:1-3.

Abstract: To provide a low refractive index film-forming composition for forming a low refractive index film which has a low refractive index, produces a strong antireflection effect, exhibits excellent adhesiveness with respect to a substrate, and is excellent in water repellency or antifouling properties of the coat surface; a production method of the composition; and a method for forming a low refractive index film. The low refractive index film-forming composition is prepared by generating a hydrolysate of (A) a silicon alkoxide by mixing the (A) silicon alkoxide with (B) water, (C) an inorganic acid or an organic acid, and (D) an organic solvent at a predetermined ratio, and mixing the hydrolysate with (E) silica sol, which is obtained by dispersing fumed silica particles in a liquid medium, at a predetermined ratio.

Abstract: An ophthalmic solution is provided. The ophthalmic solution includes an ultraviolet-A absorber and an ultraviolet-B absorber. The ophthalmic solution has a viscosity of between about 1 and 100 cps. The ophthalmic solution can be used to absorb ultraviolet radiation in the eye.

Abstract: A photostabilized photoactive composition comprising a mixture of a photoactive compound that develops a singlet excited state, or fluoresces when subjected to UV radiation and an effective amount of an excited state quencher comprising a cyano-containing fused tricyclic compound of formula (I): wherein: A is selected from the group consisting of O, S, C?O, and n is selected from the group consisting of 0 and 1; and, R1 and R2 are each independently selected from the group consisting of alkyl, cycloalkyl, ether, aryl, and amino.

Abstract: A composition for restoration and treatment of polymeric materials and related methods of manufacture are provided; and the composition comprises: at least one solvent and at least one UV protectant, wherein the solvent is designed to soften a surface of the polymeric material and the UV protectant is designed to bond to the polymeric material to restore color and appearance of the polymeric material.

Abstract: A coating composition is provided comprising (A) 1-50 parts by weight of surface-treated titanium oxide comprising core/shell type microparticles each consisting of a titanium oxide core and a silicon oxide shell, which are treated with two surface treating components having formula (I): R1Si(OR2)3 and formula (II): (R3R42Si)2NH, (B) 100 parts by weight of a vinyl copolymer obtained from copolymerization of (b-1) an alkoxysilyl-containing vinyl monomer, (b-2) a UV-absorbing vinyl monomer, and (b-3) another monomer, and (C) a solvent. A cured film of the composition has improved mar resistance and UV shielding while maintaining visible light transparency.

Abstract: A photocurable coating composition is provided comprising (1) surface-treated titanium oxide comprising core/shell type microparticles each consisting of a titanium oxide core and a silicon oxide shell, which are treated with two surface treating components having formula (I): R1Si(0R2)3 wherein R1 is an organic group which may have a (meth)acrylic moiety, and R2 is alkyl, and formula (II): (R3R42Si)2NH wherein R3 is an organic group which may have a (meth)acrylic moiety, and R4 is alkyl, (2) a photopolymerizable monomer or oligomer, and (3) a photoinitiator. The composition has improved transparency and mar resistance despite titanium oxide loading.

Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1 ?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1 ?m?1 in a wavelength band of 330 to 400 nm, an acrylic resin, and a hindered amine light stabilizer (HALS), and a polarizing plate including the same.

Abstract: An absorbing composition is described herein that includes at least one inorganic-based compound, at least one absorbing compound, and at least one material modification agent. In addition, methods of making an absorbing composition are also described that includes: a) combining at least one inorganic-based compound, at least one absorbing compound, at least one material modification agent, an acid/water mixture, and one or more solvents to form a reaction mixture; and b) allowing the reaction mixture to form the absorbing composition at room temperature. Another method of making an absorbing composition includes: a) combining at least one inorganic-based compound, at least one absorbing compound, at least one material modification agent, an acid/water mixture, and one or more solvents to form a reaction mixture; and b) heating the reaction mixture to form the absorbing composition.

Abstract: A UV-resistant coating composition for protecting polyurethane surfaces, especially in a marine environment above the sea-air interface (so-called “splash zone”), is formed from an amorphous hydrophobic dimer fatty acid-based polyether polyol and an aliphatic isocyanate, such as hexamethylene diisocyanate, and may include a UV blocking agent such as titanium dioxide. The polyol may be modified with a chain extender. The composition provides an elastomeric protective barrier against the deleterious effects of UV exposure, and is useful on polyurethane surfaces on bend stiffeners, buoys etc.

Abstract: Hydrophilic coating compositions and methods to make and use the compositions are disclosed. The compositions include a photocatalytic pigment material made up of an inorganic pigment and a monomeric anti-oxidants and free radical scavenger that is contacted to the surface of the inorganic pigment.

Abstract: This invention pertains to UV-absorbing coatings that may optionally be covered with an anti-reflective layer and that are applied to exterior-facing surfaces such as a window or other glass surface that are transparent or translucent. Such coatings are visible to various species of birds, but are generally transparent to humans. The UV absorbing coatings have a silane- or silane-derived chromophore or a combination of a silane- or siloxane-based material and a chromophore, which chromophores absorb UV light at about 300 to about 400 nm. More particularly, the silane- or siloxane-based chromophore is 2-hydroxy-4-(3-triethoxysilylpropoxy) diphenylketone or a derivative thereof.

Abstract: The present disclosure relates, according to some embodiments, to molecules, including substituted propenoic amides (e.g., aryl substituted propenoic amides), that may receive excited state energy from light-absorbing molecules. According to some embodiments, the present disclosure relates to molecules, including substituted propenoic amides (e.g., aryl substituted propenoic amides), that may quench, dissipate, and/or otherwise resolve excited state energy (e.g., as heat).

Abstract: A composition comprising a physical sunscreen, one or more adjuvants, and a carrier oil is provided. The composition also includes at least one of a compound having multiple phenyl groups, a film former or dispersant, and a silicone surfactant. The composition may also include an organic sunscreen. The combination of these ingredients exhibits an unexpected synergistic effect, in that the photoactive properties of the composition (e.g., SPF, UV absorption) are significantly higher than would be predicted based on the values for each of the components individually.

Abstract: Dispersion comprising functionalized metal oxide particles, polymerizable compounds and if appropriate a solvent and their use for stabilizing polymers.

Abstract: The invention provides articles and methods for making such articles including a substrate coated on at least one region thereof with a layer of nanocomposites nano-cellulose materials and nanoparticles.

Abstract: The present invention relates to a resin composition which includes a copolymer consisting of a first monomer containing a monomer unit having at least one carboxyl group and a second monomer copolymerizable with the first monomer, and also includes an ultraviolet absorber. The resin composition used is a resin composition for which, when ?1 represents an absorbance coefficient per unit weight of a resin film 2 in a solution prepared by dissolving, in a solvent, the resin film 2 formed by application of the resin composition as a liquid, ?1 at a light wavelength at which the resin film 2 is to be irradiated is at least 0.01 (L/(g·cm)).

Abstract: Disclosed is a colored photosensitive resin composition for a color filter of a solid state imaging device using an ultra-short wavelength exposing device of 300 nm or less, a color filter and a solid state imaging device including the same. The colored photosensitive resin composition can fabricate a color filter having a micro-patterned colored pattern. The color filter can be advantageously applied to a solid state imaging device.

Abstract: The invention describes the use of a zinc oxide containing frit with a ZnO content of 20 wt % to 75 wt % and an average grain size of less than 30 ?m as a UV light absorbing UV protection means, for example for the application areas of thermoplastically deformable synthetic materials, solvent-containing and water-containing lacquers/varnishes, radiation-curing lacquers/varnishes, powder lacquers/varnishes, paper coatings and hydraulic-setting construction products.

Abstract: A coating is disclosed. The coating may be used in an apparatus having a radiation source, e.g. a lithographic apparatus. The coating comprises the elements Si, O, F and, optionally, C and H. An article is also disclosed. The article may be any one of the group consisting of a substrate table, an optical element, a shutter member, a sensor, a projection system, and a confinement structure. At least a portion of a surface of the article is coated with a coating. The coating comprises the elements Si, O, F and, optionally, C and H. The coating may comprise the elements Si, O, C and H.

Abstract: There is provided a heat-ray shielding film mainly composed of polyvinyl acetal resin and capable of exhibiting excellent heat shielding properties, and a heat-ray shielding transparent laminated base material using the heat-ray shielding film, the heat-ray shielding film including: a compound having a heat-ray shielding function; a selective wavelength absorbing material; polyvinyl acetal resin, and a plasticizer; wherein the selective wavelength absorbing material has a transmittance profile in which a transmittance of a light having a wavelength of 550 nm is 90% or more, and a transmittance of a light having a wavelength of 450 nm is 40% or less.

Abstract: The present invention relates to microcapsules comprising a capsule core comprising a lipophilic substance and also at least one compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, and a capsule wall synthesized from 40 to 80% by weight of one or more monomers (monomers I) selected from C1-C24 alkyl esters of acrylic and/or methacrylic acid, acrylic acid, methacrylic acid, and maleic acid, 20 to 60% by weight of one or more di- or polyfunctional monomers (monomers II) which are sparingly soluble or insoluble in water, and 0 to 40% by weight of one or more other monomers (monomers III), based in each case on the total weight of the monomers, and also to microcapsules comprising at least one epoxy tackifier resin and if desired a compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, to a process for preparing them, to their use in pressure sensitive adhesives, and also to a method of adhesively bonding at least two substrates

Abstract: Disclosed is a new composition of matter that is a compound which also is presented as a dispersion with broad UVA and UVB spectral absorption stability, heat absorption, and insulation properties, anti-microbial, water resistance, and high SPF properties. The composition of matter is a zinc oxide complex that is provided with distilled water buffered to a pH of greater than 10 using ammonium hydroxide, L-arginine, or other buffering agents, and zinc oxide particles. The zinc oxide complex may be dried and rinsed to increase stability. An emollient, such as glycerine, and/or an emulsifier such as a combination of cetearyl alcohol and cetearyl glucoside and/or sodium stearoyl glutamate and/or cetearyl glucoside may also be added to the zinc oxide complex. The zinc oxide complex is made from natural-based, earth-derived, Ecocert® certified ingredients is non-toxic, and may be used or combined with any compound in which UVA/UVB stability is desired.

Abstract: A process for protecting a plastic substrate from ultraviolet electromagnetic radiation is provided that includes the application of a composition to the plastic substrate containing between 0.01 and 10 total weight percent of a UV absorber in a non-polymerizing oil present in an amount of greater than 50 total weight percent. The oil is allowed to form a protective layer on the plastic substrate and having said UV absorber dispersed therethrough. The composition is provided including other additives and a volatile organic solvent. The oil and additives are chosen to not produce a colored byproduct as observed by an unaided normal human eye. Compositions are also provided that are limited to the aforementioned components of a UV absorber, an oil, with or without an organic solvent and limited additive to preclude staining of the plastic substrate.

Abstract: The invention relates to an additive comprising at least 95 wt. % of a mixture consisting of at least one organic filter filtering UVA, at least one organic filter filtering UVB, and from 1 to 50 wt. % of at least one non-volatile oil that is a solvent for said filters. This composition is particularly useful as an agent for protecting the organoleptic properties of a transparent cosmetic composition, against UV radiation.

Abstract: An object of the present invention is to provide a composite powder that is stable even if it is present in water for a long time. A composite powder, comprising: an inorganic powder; a first coating layer containing a water-repellent organic compound on the surface of the inorganic powder; and a second coating layer which contains at least one compound selected from the group consisting of silicon oxide, silicon oxide hydrate, aluminum oxide, and aluminum hydroxide, and which is formed on the first coating layer.

Abstract: A UV-shielding coating composition comprises (A) a dispersion in a dispersing medium of composite zinc oxide nanoparticles which are obtained by coating surfaces of zinc oxide nanoparticles with an oxide or hydroxide of Al, Si, Zr and Sn, the dispersion having a photocatalytic degradability of up to 25%, (B) a vinyl copolymer obtained from copolymerization of an alkoxysilyl-containing vinyl monomer, a UV-absorbing vinyl monomer, and another monomer, and (C) a solvent. The composition is transparent to visible light, UV-shielding, mar resistant, weatherable, and durable.

Abstract: A composition containing polymeric particles. The polymeric particles have an average particle diameter from 30 to 300 nm and a Vicker's scale hardness from 100 to 700 Kgf/mm2. The composition also contains a film-forming polymer having Tg no greater than 80° C. The refractive index difference between the polymeric particles and the film-forming polymer is at least 0.04.