A polyimide precursor-containing aqueous composition contains at least one polymer material selected from the group consisting of a water-insoluble fibrous organic substance and a polyalkylene oxide having a viscosity-average molecular weight of 5 million or more, a polyimide precursor, particles, and water.

The present invention provides a release hard coating, comprising a bottom hard coating component and a top release coating component, wherein the bottom hard coating component comprises a crosslinked polymer matrix and nano-silica particles; and the top release coating component comprises a release polymer capable of having a grafting reaction with the bottom hard coating component. The release hard coating can be applied onto a substrate such as PET to resist sticky illegal advertisements and protect the substrate from wear.

A resin structure comprising a resin formed body (1) and a liquid layer (3) formed on a surface of the resin formed body (1), the liquid layer (3) having liquid protrusions (3a) that are locally protruded on the surface thereof. The structure exhibits improved properties on the surface of the resin formed body (1), such as improved sliding property and non-adhesiveness to various substances maintaining stability as a result of forming the liquid layer (3).

A foamed resin molded article (1) including: a foamed resin layer (30) comprising a first resin which is a copolymer including a rubber component, a vinyl cyanide monomer unit and an aromatic vinyl monomer unit, and a blowing agent; and a non-foamed resin layer (50) covering the foamed resin layer (30), wherein: the non-foamed resin layer (50) comprises a second resin which is a copolymer including a rubber component, a vinyl cyanide monomer unit, and an aromatic vinyl monomer unit; and the amount of the rubber component in the non-foamed resin layer (50), determined by pyrolysis-gas chromatography/mass spectrometry (PGC/MS), is 1% by mass or more and 30% by mass or less, based on the total mass of the second resin.

The present invention relates to a transparent, biaxially oriented, thermoformable polyester film including at least 85% by weight of a copolyester whose dicarboxylic acid components derive to an extent of 85 to 94 mol % from terephthalic acid-based units and to an extent of 6 to 15 mol % from isophthalic acid-based units. The inventive films exhibit a surface elasticity modulus in the range from 4500 to 6400 N/mm.sup.2; a sum total of the strengths (σ.sub.5) in longitudinal direction and in transverse direction in the range from 170 to 220 MPa; a density of less than 1390 kg/m.sup.3; a haze of less than 2.0%; a clarity of at least 85%; a gloss of at least 120 and a thickness in the range from 50 to 300 μm. The invention further relates to processes for producing such films, and to the use thereof.

A composite material comprising at least one polymer matrix. The polymer matrix comprises at least one inorganic load composed of a biphasic material that comprises at least one mesoporous substrate at least partially coated with carbon nanotubes. The composite material is remarkable in that the mesoporous substrate is composed of diatoms.

A multilayer body including a polyester layer and a hard-coat layer, wherein a polyester contained in the polyester layer includes a structural unit derived from a diol and a structural unit derived from a dicarboxylic acid, and, of the structural unit derived from a dicarboxylic acid, a main structural unit is a structural unit derived from 2,5-furandicarboxylic acid. A film including the multilayer body.

The present invention relates to a process for the recycling of an article comprising a thermoplastic polymer P1 resin, said thermoplastic polymer P1 having been formed from base monomers, said process comprising the following stages: heating said resin in order to convert, at least in part, the thermoplastic polymer P1 into at least two polymers P2, said at least two polymers P2 having a lower molar mass than the molar mass of said polymer P1, cooling said at least two polymers P2 obtained after heating to a temperature substantially equal to or lower than the boiling point of said base monomers, and dissolving said at least two polymers P2 in a solution comprising said base monomers.

Films comprising a layer including a cellulose ester and a layer including an acrylic coating are provided. Polarizing sheets comprising the films are also provided. In addition, methods of making the films and polarizing sheets are provided.

A barrier film including a substrate; a base polymer layer adjacent to the substrate; an oxide layer adjacent to the base polymer layer; a adhesion-modifying layer adjacent to the oxide layer; and a top coat polymer layer adjacent to the adhesion-modifying layer. An optional inorganic layer can be applied over the top coat polymer layer. The inclusion of a adhesion-modifying layer provides for enhanced resistance to moisture and improved peel strength adhesion of the top coat polymer layer to the underlying barrier stack layers.