Abstract: An object is to provide heat-sealable paper that is excellent in impact resistance and workability. Provided is heat-sealable paper comprising at least one heat-sealable layer on at least one surface of a paper substrate, wherein in the paper substrate, when a tensile energy absorption in a vertical direction as measured in accordance with JIS P 8113:2006 is defined as X1, a tensile energy absorption in a horizontal direction as measured in accordance with JIS P 8113:2006 is defined as Y1, a tensile energy absorption index in a vertical direction as measured in accordance with JIS P 8113:2006 is defined as X2, and a tensile energy absorption index in a horizontal direction as measured in accordance with JIS P 8113:2006 is defined as Y2, a geometric mean of X1 and Y1 is 120 J/m2 or more, a ratio of X1 to Y1 (X1/Y1) is 0.5 or more and 2.0 or less, and a geometric mean of X2 and Y2 is 2.0 J/g or more.

Abstract: The present invention provides a biaxially stretched polypropylene film exhibiting a high dielectric breakdown strength even at high temperatures, and a metallized film using the biaxially stretched polypropylene film. The present invention provides a biaxially stretched polypropylene film, wherein an average value of ultrasonic wave propagation velocities in an omni direction at room temperature measured by using an ultrasonic wave orientation tester is 1.60 Km/see or more.

Abstract: It is an object of the present invention to form a resist film that is highly sensitive and enables high-resolution patterning. The present invention relates to a resist material that comprises a polymer comprising a unit derived from a structure represented by the following formula (101). In the formula (101), R1 each independently represents a hydrogen atom, an alkyl group optionally having a substituent, an acyl group optionally having a substituent, an allyl group optionally having a substituent, an alkoxy group optionally having a substituent, or an alkylsilyl group optionally having a substituent, and a plurality of R1 may be the same or different. R11 represents a hydrogen atom or an alkyl group optionally having a substituent. R2 represents a hydrogen atom, an alkyl group, a fluorine atom, a chlorine atom, a bromine atom, or a halogenated alkyl group; and Y1 represents a single bond or a linking group.

Abstract: An object of the present invention is to provide a medium for ultraviolet laser printing, in which an image printed by ultraviolet laser printing is excellent in viewability, a print product after printing is excellent in smoothness and furthermore smoking in printing is suppressed, and another object thereof is to provide a print product in which the medium for ultraviolet laser printing is used, and a processed article obtained with the medium for ultraviolet laser printing or the print product. The medium for ultraviolet laser printing of the present invention comprises a substrate layer and a print layer comprising titanium oxide, in which the substrate layer and the print layer are in direct contact with each other, an air permeability of the substrate layer is 50,000 seconds or less, and a titanium oxide content in the print layer is 0.04 g/m2 or more and 5.0 g/m2 or less.

Abstract: An object of the present invention is to provide a fiber aggregate for a molded article having satisfactory appearance that can provide a molded article excellent in stiffness and strength against bending, further excellent in impact resistance and appearance. The object of the present invention is also to provide a pre-sheet and a molded article that are obtained from the fiber aggregate for the molded article.

Abstract: Disclosed is a heat-sensitive recording material containing at least an undercoat layer and a heat-sensitive recording layer in this order on a support, the undercoat layer containing hollow particles, a binder, and an inorganic pigment I, the heat-sensitive recording layer containing a leuco dye and a developer, wherein (A) the heat-sensitive recording layer contains 5-(N-3-methylphenyl-sulfonamide)-N?,N?-bis-(3-methylphenyl)-isophthalic acid diamide as a stability improver, or (B) the heat-sensitive recording layer contains 5-(N-3-methylphenyl-sulfonamide)-N?,N?-bis-(3-methylphenyl)-isophthalic acid diamide as the developer and contains a pigment with an oil absorption of 130 ml/100 g or less as an inorganic pigment II.

Abstract: Provided is a technique of obtaining films with higher dielectric breakdown strength at high temperatures and folding resistance. A resin composition comprises (1) a syndiotactic polystyrene resin, (2) a polyphenylene ether resin, and (3) at least one member selected from the group consisting of styrene-based thermoplastic elastomers and atactic polystyrene resins, wherein the content of the polyphenylene ether resin in the resin composition is 6 mass % or more.

Abstract: It is an object of the present invention to provide heat-sealable paper that is excellent in heat sealing property and recyclability, and capable of enclosing the object to be packaged even immediately after the bag making process. The heat-sealable paper of the present invention has at least one heat-sealable layer on at least one surface of a paper substrate, wherein the heat-sealable layer contains a water-dispersible resin binder, when two such heat-sealable layers are heat-sealed to each other under conditions of 150° C., 0.2 MPa, and one second, the hot tack peeling distance is 150 mm or less, and the heat sealing peel strength is 2 N/15 mm or more, and the heat-sealable paper has a pulp recovery rate after re-disintegration of 85% or more.

Abstract: The present invention provides a method of producing phosphoric acid crosslinked starch, including adding phosphorus oxychloride sequentially to raw starch slurry under a condition of pH 9 to 12 to cause the raw starch to undergo a phosphoric acid crosslinking reaction, and controlling the pH by sequentially adding an alkaline solution, wherein concentration of the alkaline solution is increased stepwise or continuously between start and end of the phosphoric acid crosslinking reaction. By the production method of the present invention, phosphoric acid crosslinked starch having a low phosphorus content and a high resistant starch content (for example, pea-derived phosphoric acid crosslinked starch, which has a resistant starch content of 80% or more according to a resistant starch measurement method of AOAC official method 2002.02 and a phosphorus content of 0.5% or less) can be obtained.

Abstract: An object of the present invention is to provide base paper for vapor deposition paper that can provide vapor deposition paper with excellent barrier properties. The base paper for vapor deposition paper according to the present invention includes: a paper substrate; and a clay coat layer and a resin layer in this order on at least one surface of the paper substrate. A surface of the resin laver has a wetting tension of 50 mN/n or more as measured in conformity with JIS K 6768:1999 and a print-surf surface roughness of 2.5 ?m or less as measured in conformity with JIS P 8151:2004.

Abstract: It is an object of the present invention to provide a laminate having both a high elastic modulus and a low linear thermal expansion coefficient, and also having excellent design and durability. The present invention relates to a laminate having a fiber layer comprising cellulose fibers with a fiber width of 1000 nm or less, an adhesive layer, and a resin layer in this order, wherein the resin layer comprises an amorphous resin, and the adhesive layer comprises a polymer, and the glass transition temperature of the polymer is lower than 170° C.

Abstract: Provided is a metallized polypropylene film having excellent insulation breakdown resistance properties. The metallized polypropylene film of the present invention has a thickness of 0.5 to 4.0 ?m and has a feature such that the number of insulation breakdown points multiplied by thickness, as determined under predetermined measurement conditions for measuring the number of insulation breakdown points, is 1.90 (points/cm2)·?m or less.

Abstract: Disclosed is a heat-sensitive recording material comprising an undercoat layer and a heat-sensitive recording layer formed in this order on a support, the undercoat layer containing hollow plastic particles and a binder, the heat-sensitive recording layer containing a leuco dye and a developer, and the heat-sensitive recording material having an elastic modulus of 200 N/mm2 or less as measured by a nanoindentation method.

Abstract: It is an object of the present invention to provide an ultrafine cellulose fiber-containing sheet that is excellent in terms of weather resistance. The present invention relates to a sheet comprising cellulose fibers having a fiber width of 1000 nm or less, wherein the cellulose fibers have anionic functional groups, and the YI increase percentage calculated according to the following equation is 1500% or less. YI increase percentage (%)=(yellowness of the sheet after heating?yellowness of the sheet before heating)/yellowness of the sheet before heating×100, wherein the yellowness of the sheet after heating is a yellowness measured in accordance with JIS K 7373, after the sheet is subjected to hot pressing at 180° C. at 0.5 MPa for 1 minute, whereas the yellowness of the sheet before heating is a yellowness measured in accordance with JIS K 7373, before the sheet is subjected to the hot pressing.

Abstract: An object is to provide a film that provides a capacitor excellent in safety function operability, and that has a high level of dielectric breakdown strength at high temperatures and good element-winding suitability. The object is achieved by a film containing a syndiotactic polystyrene resin and a polyphenylene ether resin, the content of the syndiotactic polystyrene resin in the film being 50 mass % or higher, the content of the polyphenylene ether resin in the film being 10 mass % or higher, wherein (A) the film contains titanium oxide particles as inorganic particles, and the content of the titanium oxide particles in the film is 0.55 mass % or higher and 3 mass % or lower, and/or (B) at least one surface of the film has a reduced peak height Spk of 0.05 ?m or more and 0.30 ?m or less.

Abstract: Provided is a heat-sensitive recording material that can provide clear and high print image quality with less printing omission, and that has high sensitivity and is excellent in recording density in halftone printing.

Abstract: Provided are: a sheet which has high transparency, in which yellowing due to heating is suppressed, and which has high tensile elastic modulus and excellent flexibility; and a layered body having the sheet. The sheet of the present invention contains ultrafine fibrous cellulose having a fiber width of 10 nm or less, and a cellulose derivative having a weight-average molecular weight of 1.0×104 or more and 3.0×105 or less.

Abstract: A biaxially stretched polypropylene film which has a thickness of from 1.0 ?m to 3.5 ?m, a tensile fracture stress at 135° C. of 70 MPa or more in a first direction, and a difference between the tensile fracture stress at 125° C. in the first direction and the tensile fracture stress at 135° C. in the first direction of from 0 MPa to 15 MPa (inclusive).

Abstract: An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C., and the dispersion liquid is stirred under predetermined stirring conditions, a viscosity change rate falls within ±50%, calculated by the following formula: viscosity change rate (%)=(viscosity after stirring?viscosity before stirring)/viscosity before stirring×100.

Abstract: Provided is a technique of obtaining films with higher dielectric breakdown strength at high temperatures and folding resistance. A resin composition comprises (1) a syndiotactic polystyrene resin, (2) a polyphenylene ether resin, and (3) at least one member selected from the group consisting of styrene-based thermoplastic elastomers and atactic polystyrene resins, wherein the content of the polyphenylene ether resin in the resin composition is 6 mass % or more.