The present disclosure provides an optical laminate including a polymer substrate and an antiglare layer, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

Low density polishing pads and methods of fabricating low density polishing pads are described. In an example, a polishing pad for polishing a substrate includes a polishing body having a density approximately in the range of 0.4-0.55 g/cc. The polishing body includes a thermoset polyurethane material and a plurality of closed cell pores dispersed in the thermoset polyurethane material. Each of the plurality of closed cell pores has a shell composed of an acrylic co-polymer.

A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.

Fireproofing device (1), in particular a fireproofing strip (1), with an elongate support (2), which is produced from a foam material, a non-woven fabric and/or a fibrous body and is provided with an impregnating agent. According to the invention this impregnating agent contains as components at least one liquid medium and a binder for binding solid components of the impregnating agent to the foam material and expandable graphite.

The present disclosure relates to a battery cell tray, which is a tray configured to accommodate a plurality of cylinder type battery cells in a storage of a first packaging member, including a first tray member having a plate type structure in which a plurality of first recessed portions surrounding one side end portions of the battery cells are formed; and a second tray member having a plate type structure in which a plurality of second recessed portions surrounding the other side end portions facing the one side end portions of the battery cells are formed, and the first and second tray members includes a volatile rust inhibitor which is vaporized at room temperature to form a rust-proofing film on surfaces of the battery cells.

An object of the present invention is to more conveniently provide a copolyester for a polyester film which exhibits excellent dimensional stability and in particular excellent dimensional stability against environmental changes in, for example, temperature and humidity, and has a small film elongation percentage at 110 C. A copolyester of the present invention comprises: (A) an aromatic dicarboxylic acid component; (B) an alkylene glycol component; and (C1) a dimer acid component and/or (C2) a dimer diol component, wherein the copolyester contains, with reference to a molar number of a total dicarboxylic acid component, 0.5 to 3.5 mol % of the dimer acid component (C1) and/or 0.3 to 5.0 mol % of the dimer diol component (C2).

Provided is an optical film having high contrast and excellent visibility. The optical film includes: a transparent screen; and a transparent reflecting layer that is disposed on one main surface of the transparent screen, in which in the transparent screen, a ratio T.sub.15/T.sub.30 of a light amount T.sub.15 of transmitted light at an angle of 15 degrees with respect to a normal direction of the main surface to a light amount T.sub.30 of transmitted light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or higher, and the ratio R.sub.15/R.sub.30 of the light amount R.sub.15 of reflected light at an angle of 15 degrees with respect to the normal direction of the main surface to the light amount R.sub.30 of reflected light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or lower.

The present disclosure provides an optical laminate including: a polymer substrate containing a polymer resin and rubber particles having a cross-sectional diameter of 10 to 500 nm dispersed in the polymer resin; and an antiglare layer containing a binder resin and organic fine particles, nano-inorganic particles and chain-shaped silica dispersed in the binder resin, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

A thermoplastic polyurethane foamed article has a density ranging from 0.3 to 0.8 g/cm3 measured at 25 C. and is self sealable in accordance with Section 7.9 of ASTM D1970/D1970M-11. The thermoplastic polyurethane foamed article is formed by melting and foaming a thermoplastic polyurethane composition having a durometer hardness ranging from 30A to 75D in the presence of a blowing agent.

The present invention provides a heat-curable resin composition, which comprises (1) a heat-curable resin mixture comprising a heat-curable resin (a) and thickener particles (b) and exhibiting a viscosity (150 C.) after having been held at a temperature of 150 C. for 30 seconds that is a viscosity (S), and (2) a curing agent, and is characterized in that the heat-curable resin composition exhibits a lowest viscosity (R) at 80-120 C., the lowest viscosity (R) is 0.1-10 Pa.Math.s, and the viscosity (S) and lowest viscosity (R) satisfy the relationship of formula (1):
5<S/R<200formula (1).