The embodiments relate to a polyamide-based composite film that has excellent curl characteristics, mechanical properties, and optical properties, as well as, in particular, is effective in preventing reflection in the visible light region, remarkably reduces the rainbow phenomenon, and achieves a texture similar to that of glass, and a display device comprising the same. There are provided a polyamide-based composite film, which comprises a base film comprising a polyamide-based polymer; and a functional layer disposed on the base film, wherein the in-plane retardation (Re) measured with light having a wavelength of 550 nm is 100 nm to 220 nm, and a display device comprising the same.

The invention relates to a PTFE polymer-based sliding material having fillers which improve the tribological properties, wherein the fillers comprise at least one phosphate, in particular calcium phosphate, calcium pyrophosphate, magnesium phosphate, magnesium pyrophosphate, lithium phosphate, hydroxyapatite or combinations thereof, and at least one metal sulfide, wherein the fraction of the metal sulfide is >2% by volume. The invention also relates to uses of said sliding material.

The objective of the present invention is to, in a resin film containing an anti-blocking agent (organic polymer particles), achieve both a reduction in friction of the film and suppression of dropping-off of particles from the film surface. The laminated resin film of the present invention has a base film layer and a surface layer, and the surface layer contains organic polymer particles serving as an anti-blocking agent. The number proportion of the organic polymer particles having a particle size that is at least twice the average thickness of the surface layer is 35% or more of the total number of the organic polymer particles, and the number proportion of the organic polymer particles having a particle size that is at least four times the average thickness of the surface layer is 10% or less of the total number of the organic polymer particles.

Provided is a mold release film capable of transferring a concave-convex structure to the surface of an adhesive film.

The present invention provides a film and/or a packaging bag from which contents that may be viscous are easily brought out, and exhibiting enough heat seal properties as well as superior anti-blocking effect and slipperiness. The sealant film has a seal layer consisting of a resin composition including the following (a) and (b), and the film satisfies the following (1) to (3). (a) Polyolefin-based resin; and (b) Silylated polyolefin resin, (1) An abundance ratio (Si/C) of silicon atoms Si to carbon atoms C included in the seal layer of 0.001 or more and 0.02 or less; (2) An abundance ratio (Si/C) of silicon atoms Si to carbon atoms C present at a surface of the seal layer of 0.05 or more and 0.2 or less; and (3) An arithmetic average roughness Ra of a surface of the seal layer of 0.1 μm or more and 0.5 μm or less

A polyolefin-based resin film containing (a) 90 to 97 parts by weight of at least one polyolefin-based resin selected from a propylene-ethylene block copolymer and a propylene-α olefin random copolymer and (b) 3 to 10 parts by weight of an ethylene-propylene copolymer elastomer, wherein the propylene-α olefin random copolymer is present in an amount of 0 to 50% by weight relative to the total amount of the propylene-ethylene block copolymer and the propylene-α olefin random copolymer, and the polyolefin-based resin film has a thermal shrinkage ratio in a longitudinal direction of 3% or more and 20% or less, a thermal shrinkage ratio in a rectangular direction to a width direction of 1% or less, and a yield stress in the longitudinal direction of 150 MPa or more and 250 MPa or less.

Provided is a stretchable film having excellent stretchability and excellent air permeability. Also provided is an article including such stretchable film. The stretchable film of the present invention includes an olefin-based resin and a filler.

There is provided a film containing, in the following order, a base material, a permeation layer, and a water-absorbent polymer-containing layer, in which the water-absorbent polymer-containing layer is an outermost layer.

In order to provide an extremely cost-advantageous laminated white film for use as a recording material that is an information printing medium in place of paper such as copy paper, proposed is a laminated white film having a functional layer comprising an antistatic agent on at least one surface of a polyester film having an apparent density of 0.7 to 1.3 g/cm.sup.3 and a thickness of 10 to 1000 μm, wherein the polyester film comprises a polyester-incompatible polymer.

An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).