The invention relates to a self-supporting, biodegradable film comprising a C.sub.10-C.sub.22-acylated derivative of hyaluronic acid according to the general formula (I), where R is H.sup.+ or Na.sup.+, and where R.sup.1 is H or C(O)C.sub.xH.sub.y, where x is an integer within the range from 9 to 21 and y is an integer within the range from 11 to 43 and C.sub.xH.sub.y is a linear or branched, saturated or unsaturated C.sub.9-C.sub.21 chain, wherein in at least one repeating unit one or more of R.sup.1 is C(O)C.sub.xH.sub.y and where n is within the range from 12 to 4000; a method of preparation thereof and use thereof. ##STR00001##

The invention relates to a self-supporting, biodegradable film comprising a C.sub.10-C.sub.22-acylated derivative of hyaluronic acid according to the general formula (I), where R is H.sup.+ or Na.sup.+, and where R.sup.1 is H or C(O)C.sub.xH.sub.y, where x is an integer within the range from 9 to 21 and y is an integer within the range from 11 to 43 and C.sub.xH.sub.y is a linear or branched, saturated or unsaturated C.sub.9-C.sub.21 chain, wherein in at least one repeating unit one or more of R.sup.1 is C(O)C.sub.xH.sub.y and where n is within the range from 12 to 4000; a method of preparation thereof and use thereof. ##STR00001##

The present invention relates to a coating composition for polyester film capable of printing on all types of printers with liquid and dry toners. The coating composition comprising of a combination of polyethylene carboxylic acid dispersion and homopolymer or copolymer of polyacrylate dispersion and/or homopolymer or copolymer of polyvinyl acetate dispersion, wherein acrylate and/or acetate content be is in the range of 1 to 50% of carboxylic acid content in the dispersion.

The present invention relates to a coating composition for polyester film capable of printing on all types of printers with liquid and dry toners. The coating composition comprising of a combination of polyethylene carboxylic acid dispersion and homopolymer or copolymer of polyacrylate dispersion and/or homopolymer or copolymer of polyvinyl acetate dispersion, wherein acrylate and/or acetate content be is in the range of 1 to 50% of carboxylic acid content in the dispersion.

A method for producing molecular assemblies of an amphiphilic block polymer includes applying a polymer solution in a layered shape on a planar base member, the polymer solution including an amphiphilic block polymer and a solvent, the amphiphilic block polymer having a hydrophilic block chain including 20 or more sarcosine units and a hydrophobic block chain including 10 or more lactic acid units, forming a polymer film on the planar base member by removing the solvent from a coated layer of the polymer solution, and obtaining molecular assemblies by bringing the polymer film into contact with a water-based liquid. The planar base member is a flexible long film.

The present invention relates to a film including a light-emitting semiconductor fine particle (1), a silazane or modified product thereof (2), and a polymerizable compound or polymer (4), in which the film has a sea-island-like phase separation structure, in the sea-island-like phase separation structure, the polymerizable compound or polymer (4) is present in a sea-like hydrophobic region, and the light-emitting semiconductor fine particle (1) and the silazane or modified product thereof (2) are present in an island-like hydrophilic region, and the island-like hydrophilic region has a size of 0.1 m to 100 m.

The present invention relates to a film including a light-emitting semiconductor fine particle (1), a silazane or modified product thereof (2), and a polymerizable compound or polymer (4), in which the film has a sea-island-like phase separation structure, in the sea-island-like phase separation structure, the polymerizable compound or polymer (4) is present in a sea-like hydrophobic region, and the light-emitting semiconductor fine particle (1) and the silazane or modified product thereof (2) are present in an island-like hydrophilic region, and the island-like hydrophilic region has a size of 0.1 m to 100 m.

The present disclosure relates to a method for preparing a conjugated polymer film, as well as a light-emitting diode, a display device, and a solar energy battery including the conjugated polymer film. A method for preparing a conjugated polymer film according to the present disclosure includes: preparing a fibrous conjugated polymer; and preparing a conjugated polymer film from the fibrous conjugated polymer. Since the fibrous conjugated polymer has a certain length and orientation, it has improved electron mobility in the dimensional direction thereof, and is capable of improving the carrier mobility of the conjugated polymer film.

Disclosed is a method for producing a polyolefin including: (1) a step (1) of polymerizing one or more olefins in solution polymerization or slurry polymerization in the presence of a polymerization catalyst to produce a polymer solution, (2) a step (2) of taking out the polymer solution obtained in the step (1), and adding a catalyst deactivator in the polymer solution to deactivate the polymerization catalyst, and (3) a step (3) of removing volatile components in vacuum from the polymer solution where the polymerization catalyst has been deactivated, and including, between the step (2) and the step (3), a step of adding an additive to the polymer solution when the water concentration in the polymer solution is 5 ppm by mass or less.

A method of producing a laminated body, the method including a coagulant solution deposition step of depositing a coagulant solution on a fiber substrate, and a coagulation step of forming a polymer layer on the fiber substrate by bringing a polymer latex into contact with the fiber substrate having the coagulant solution deposited thereon to cause a polymer to coagulate. As the coagulant solution, a solution obtained by dissolving or dispersing 0.2 to 7.0% by weight of a metal salt as a coagulant and 0.1 to 7.0% by weight of an organic acid in a solvent is used. In the method of producing a laminated body, the metal salt is a polyvalent metal salt. In the method of producing a laminated body, the organic acid is an organic acid having at least one group selected from a carboxyl group, a sulfo group, a hydroxy group, and a thiol group.