Provided are an anti-reflective film including a low-refractive layer having mechanical properties such as high abrasion resistance and scratch resistance, etc., and excellent optical properties, and a hard coating layer, a polarizing plate including the same, and a display device including the same.

The present disclosure provides a cholesteric liquid crystal film including a first cholesteric liquid crystal layer having a stripe pattern in which dark portions and bright portions, which are observed with a microscope, are alternately arranged and a second cholesteric liquid crystal layer which is disposed in contact with the first cholesteric liquid crystal layer and has a stripe pattern in which dark portions and bright portions, which are observed with a microscope, are alternately arranged, in which, at an interface between the first cholesteric liquid crystal layer and the second cholesteric liquid crystal layer, the dark portions observed in the second cholesteric liquid crystal layer is connected to the dark portions observed in the first cholesteric liquid crystal layer.

Provided is a biodegradable resin composition that exhibits excellent biodegradability even in a molded product having a large thickness, has excellent mechanical properties, and is economically advantageous, and a molded product using the same. The molded product is provided using an inorganic substance powder-containing biodegradable resin composition including: a biodegradable resin and an inorganic substance powder in a mass ratio of 10:90 to 70:30, in which the biodegradable resin is a cellulose acetate-based resin and the inorganic substance powder is heavy calcium carbonate.

Provided is an optical laminate capable of suppressing deterioration of visibility in a high-temperature environment. The optical laminate comprises a layer comprising a metal oxide on a plastic film, wherein the emissivity of the optical laminate for light with a wavelength range of 2000 nm or more and 22000 nm or less is 0.27 or more and 0.75 or less as measured from the side of the layer comprising a metal oxide with respect to the plastic film.

An anti-reflective film-attached transparent substrate includes a transparent substrate having two main surfaces and, on at least one of the main surfaces, a multilayer film in which at least two layers having different refractive indices are laminated. At least one silicon oxide layer among the layers in the multilayer film has a moisture permeability of 300 g/m.sup.2/day or less.

A high-haze anti-glare film is disclosed. The high-haze anti-glare film comprises a transparent substrate and an anti-glare layer on the substrate. The anti-glare layer comprises acrylate binder, amorphous silica microparticles and spherical organic polymer microparticles, wherein the spherical organic polymer microparticles are monodispersity and the average particle size thereof is smaller than that of the amorphous silica microparticles. The total haze (Ht) of the anti-glare film is more than 40%, and the total haze is the sum of the surface haze (Hs) and the inner haze (Hi) of the anti-glare film, and the inner haze (Hi) and the total haze (Ht) satisfy the relation 0.25<Hi/Ht<0.75. The present high-haze anti-glare film provides high anti-glare and anti-sparkling properties.

The present invention provides resin beads that can provide various types of products such as cosmetics which are unlikely to generate an odor and have superior tactile impression and spreadability on the skin and that can be substituted for resin particles composed of a synthetic material derived from petroleum, and the present invention also provides various types of products such as cosmetics using the resin beads. The resin beads are formed with a resin containing a cellulose derivative as a main component. In the resin beads, the cellulose derivative is at least one selected from the group consisting of cellulose acetate, cellulose acetate propionate, ethyl cellulose, and hydroxypropyl methyl cellulose, the volume average particle diameter is 50 μm or smaller, the degree of sphericity is 0.7 to 1.0, the degree of surface smoothness is 80 to 100%, the acetyl group content ratio is 15% by mass or less, and the propionyl group content ratio is 10% by mass or more. In addition, the present invention provides a product of any one of a cosmetic, a dermatological preparation, a paint, a shaped article, a film, a coating agent, and a resin composition, which contain the resin beads.

An optical film comprising a cellulose acylate film which comprises a compound denoted by formula 2 below: ##STR00001## wherein each of R.sup.10 and R.sup.11 independently denotes a substituent linked to the triazine ring through —NR.sup.12— or —CO—; R.sup.12 denotes a hydrogen atom or an optionally substituted alkyl group; n denotes 1; and —X.sup.1—R.sup.1 is selected from the group consisting of partial structures 11 to 14: ##STR00002##

One embodiment shows a method for producing porous cellulose particles, including: (a) dissolving cellulose diacetate into a solvent to prepare a cellulose diacetate solution; (b) dispersing the cellulose diacetate solution into a medium immiscible with the cellulose diacetate solution to obtain a dispersed system; (c) cooling the dispersed system; (d) adding a poor solvent to the cooled dispersed system to precipitate cellulose diacetate particles; and (e) saponifying the cellulose diacetate particles.

The cellulose acetate resin composition may include: a cellulose acetate having a total degree of acetyl substitution of 1.9 or greater and 2.6 or less; and a plasticizer. The cellulose acetate may have a number average molecular weight of 45000 or greater and a weight average molecular weight of 70000 or greater. The plasticizer may be selected from (1) an ether-based plasticizer in which at least one terminal hydroxyl group of a polyalkylene glycol is etherified, and (2) an ester-based plasticizer in which at least one terminal hydroxyl group of a polyalkylene glycol is esterified. The polyalkylene glycol in the ether-based plasticizer (1) and the ester-based plasticizer (2) may have a degree of polymerization of 3 or greater and less than 10. The plasticizer may not include an aromatic ring in the terminal group.