| UNITIKA LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120108720 | POLYLACTIC ACID-BASED RESIN COMPOSITION AND MOLDED ARTICLE - Disclosed is a polylactic acid-based resin composition including a polylactic acid resin, a monocarbodiimide compound and a hydrotalcite compound, wherein the content of the monocarbodiimide compound is 0.1 to 10 parts by mass in relation to 100 parts by mass of the polylactic acid resin and the content of the hydrotalcite compound is 0.05 to 2 parts by mass in relation to 100 parts by mass of the polylactic acid resin. | 05-03-2012 |
| 20120003458 | BIAXIALLY STRETCHED POLYAMIDE RESIN FILM HAVING GAS BARRIER PROPERTIES AND PROCESS FOR PRODUCING THE BIAXIALLY STRETCHED POLYAMIDE RESIN FILM - Disclosed are a biaxially stretched polyamide resin film having gas barrier properties and a process for producing the biaxially stretched polyamide resin film having gas barrier properties. In this film, a gas barrier coat layer is formed on at least one side of a biaxially stretched polyamide resin film, the thickness of the gas barrier coat layer is 0.5 to 5 μm, and the amount of the extracted monomer in the polyamide resin film is 0.1% by mass or less. The production process includes, in the order of description, the steps of removing the monomer in an unstretched polyamide resin film, biaxial stretching, and laminating an anchor coat layer, performed where necessary, and forming a gas barrier coat layer. | 01-05-2012 |
| 20120003440 | EASY ADHESION POLYAMIDE FILM AND PRODUCTION METHOD THEREFOR - Disclosed is an easy adhesion polyamide film including a substrate polyamide film and a primer layer containing an anionic water-dispersible polyurethane resin, formed on at least one side of the substrate polyamide film. The thickness of the primer layer is 0.025 μm or more and 0.250 μm or less. The anionic water-dispersible polyurethane resin has a coating film elongation percentage of 250% or more and a tensile strength of 20 MPa or more. When the easy adhesion polyamide film is subjected to a heat treatment in a helium gas atmosphere at 200° C. for 10 minutes, a total amount of the volatile base components evolved from the easy adhesion polyamide film is 0.50 μg/g or less. | 01-05-2012 |
| 20110178211 | BIODEGRADABLE POLYESTER RESIN COMPOSITION AND MOLDED BODY COMPOSED OF THE SAME - Disclosed is a biodegradable polyester resin composition, wherein 100 parts by mass of a biodegradable polyester resin is blocked at the terminals thereof with 0.1 to 10 parts by mass of a carbodiimide compound, and the biodegradable polyester resin composition includes 0.1 to 10 parts by mass of a jojoba oil in relation to 100 parts by mass of the biodegradable polyester resin. | 07-21-2011 |
| 20110168628 | POLYAMIDE HOLLOW FIBER MEMBRANE, AND PRODUCTION METHOD THEREOF - A hollow fiber membrane is produced through a thermally induced phase separation process by dissolving a highly hydrophilic polyamide resin in a high-boiling-point solvent such as an aprotic polar solvent at a temperature of not lower than 100° C. The hollow fiber membrane has a membrane surface having a water contact angle of not greater than 80 degrees, and has a water permeability of not less than 100 L/m | 07-14-2011 |
| 20110151167 | RELEASE SHEET - Disclosed is a release sheet including a substrate and a resin layer formed on the substrate. The resin layer includes: 100 parts by mass of an acid-modified polyolefin resin including an acid-modifying component in a content of 1 to 10% by mass; and 1 to 50 parts by mass of a crosslinking agent and/or 5 to 1000 parts by mass of polyvinyl alcohol. The crosslinking agent is composed of a carbodiimide compound and/or an oxazoline compound. | 06-23-2011 |
| 20110081512 | HIGHLY ADHESIVE POLYESTER FILM AND PACKAGING MATERIAL USING THE SAME - Disclosed is a highly adhesive polyester film having a highly adhesive primer layer disposed on at least one side of a substrate polyester film. The substrate polyester film is a stretched film having linear tearability and formed of a mixed polyester resin containing polyethylene terephthalate and a modified polybutylene terephthalate, and the highly adhesive primer layer contains a polyester resin (A) having an acid number of 20 to 60 mg KOH/g and a hydroxyl number of 30 to 150 mg KOH/g, and having an oligomer content of 2.0% by mass or less, and substantially contains no crosslinking agent component. | 04-07-2011 |
| 20110021719 | BIAXIALLY STRETCHED POLYAMIDE RESIN FILM, AND PROCESS FOR PRODUCTION THEREOF - At an optional stage in the production step of a biaxially stretched film using a polyamide resin including, as a first component, nylon 6, and as a second component, a polyamide including xylylenediamine and an aliphatic dicarboxylic acid having 4 to 12 carbon atoms, the film is brought into contact with water set at 40° C. or higher and lower than 70° C. for 1 to 10 minutes and further with water set at 70° C. or higher for 1 to 10 minutes. In the film thus obtained, the content of low molecular weight compounds is 0% by mass to 0.2% by mass. | 01-27-2011 |
| 20100304066 | POLYLACTIC ACID FILAMENT NONWOVEN FABRIC AND PRODUCTION METHOD THEREOF - A nonwoven fabric formed of composite filaments by a spunbond method is disclosed. The composite filament includes a polylactic acid polymer having a melting point of 160° C. or higher and an aliphatic polyester polymer having a melting point lower, by 50° C. or more, than the melting point of the polylactic acid polymer. The aliphatic polyester polymer forms at least a portion of the filament surface. The aliphatic polyester polymer includes as the constituent components thereof 1,4-butanediol and succinic acid, and at the same time, includes 0.1 to 1% by mass of an amide wax. | 12-02-2010 |
| 20100292381 | THERMOPLASTIC RESIN COMPOSITION AND MOLDED BODY OBTAINED BY MOLDING THE SAME - Disclosed is a thermoplastic resin composition obtained by mixing together 100 parts by mass of a polylactic acid resin or a polylactic acid resin composition, 0.01 to 10 parts by mass of a peroxide and 0.01 to 5 parts by mass of a silane compound having two or more functional groups selected from an alkoxy group, an acrylic group, a methacrylic group and a vinyl group. The polylactic acid resin composition may include 90 to 99.5% by mass of the polylactic acid resin and 0.5 to 10% by mass of a plasticizer. The thermoplastic resin composition may further include a fibrous reinforcing material and a polycarbodiimide compound, and where necessary, a flame retardant. | 11-18-2010 |
| 20100279135 | RESIN COMPOSITION, LAMINATE USING THE SAME, AND MOLDED BODY USING THE LAMINATE - Disclosed is a resin composition forming an adhesive layer between a polylactic acid resin substrate layer and a polyolefin resin substrate layer. The resin composition includes a modified polyolefin resin (A) and a terpene resin (B), and the mass ratio (A)/(B) between the both resins (A) and (B) is 20/80 to 99/1. Alternatively, the resin composition may be a resin composition including 10 to 90% by mass of a polylactic acid resin (C), 5 to 89% by mass of the modified polyolefin resin (A) and 1 to 80% by mass of a hydrogenated petroleum resin (D), with the total amount of these resins constrained to be 100% by mass. | 11-04-2010 |
| 20100279110 | POLYAMIDE FILM COATED WITH VINYLIDENE CHLORIDE COPOLYMER MIXTURE AND METHOD FOR PRODUCING THE SAME - Disclosed is a polyamide film coated with a vinylidene chloride copolymer mixture, wherein: on at least one side of a biaxially stretched polyamide film, a vinylidene chloride copolymer mixture layer in which no thermal crosslinking agent is copolymerized is formed by coating without through an intermediary of a primer layer; the vinylidene chloride copolymer mixture is a mixture including two or more vinylidene chloride copolymers; and one of the vinylidene chloride copolymers has a crystal melting point of 170° C. or higher and 210° C. or lower and is contained in an amount of 25 to 45 parts by mass in relation to 100 parts by mass of the vinylidene chloride copolymer mixture. | 11-04-2010 |
| 20100273974 | POLYIMIDE RESIN COMPOSITION, POLYIMIDE PRECURSOR RESIN COMPOSITION FOR THE SAME, PRODUCTION METHOD THEREOF, AND POLYIMIDE FILM AND PRODUCTION METHOD THEREOF - An object of the present invention, which was made to solve the problems above, is to provide a polyimide precursor resin composition superior in transparency allowing reduction of the residual volatile material rate during molding and giving a polyimide resin composition (e.g., polyimide film) superior in mechanical properties and transparency even when a cheaper polyamide-imide is used. The present invention relates to a polyimide precursor resin composition, comprising a polyamide-imide (A) containing a diamine monomer unit represented by the following formula (1) and a polyamic acid (B) containing at least one kind of monomer unit selected tetracarboxylic acid monomer units represented by the following formulae (2p) to (2r), wherein the haze of the film having a thickness of 40 μm obtained by imidation of the polyimide precursor resin composition is 4% or less: | 10-28-2010 |
| 20100273727 | ORAL ADMINISTRATION COMPOSITION - A composition which has high safety and is excellent in the effect of reducing body fat, such as visceral fat, subcutaneous fat and the like, and neutral fat, and a food, a pharmaceutical and a feed comprising the same, are provided. | 10-28-2010 |
| 20100221554 | PROCESS FOR PRODUCING POLYAMIDE RESIN FILM AND POLYAMIDE RESIN FILM OBTAINED BY THE PROCESS - Disclosed is a process for producing a polyamide resin film, wherein in a simultaneous biaxial tenter stretching method for simultaneously biaxially, longitudinally and transversely, stretching an unstretched film by gripping the widthwise edges of the unstretched film with clips, from the start of the transverse stretching until the maximum stretching magnification factor of the transverse stretching is reached, the longitudinal stretching magnification factor represented by the linear distance between the adjacent clips is prevented from being decreased by 5% or more of the maximum stretching magnification factor of the longitudinal stretching. | 09-02-2010 |
| 20100197842 | RESIN COMPOSITION AND MOLDED BODY OBTAINED BY MOLDING THE SAME - Disclosed is a resin composition excellent in mechanical strength, heat resistance, moist-heat durability and flame retardancy, and low in dependence on petroleum products. The resin composition includes a polylactic acid resin (A), a polycarbonate resin (B), a styrene thermoplastic elastomer (C), a monocarbodiimide compound (D) and a polyfunctional carbodiimide compound (E), wherein the mass ratio (A/B) between the polylactic acid resin (A) and the polycarbonate resin (B) is 25/75 to 90/10. | 08-05-2010 |
| 20100151265 | GAS BARRIER LAMINATE - A gas barrier laminate comprising:
| 06-17-2010 |
| 20100022463 | FEED ADDITIVE FOR LAYING HEN AND FEED CONTAINING THE SAME - A feed additive for laying hens comprising lactobionic acid or a lactobionic acid salt and a feed characterized by containing a feed additive for laying hens comprising lactobionic acid or a lactobionic acid salt and a feed. Namely, a feed additive for laying hens, which is excellent in effect of reinforcing eggshells, shows a particularly remarkable effect of improving eggshell qualities in the second half of the laying period, relieves stress caused by forced molting, cage transfer and so on and can inhibit lowering in the egg-laying rate. | 01-28-2010 |
| 20090280333 | GAS BARRIER LAMINATE - A gas barrier laminate comprising:
| 11-12-2009 |
| 20090053542 | GAS BARRIER MULTILAYER BODY AND LAMINATE - A gas barrier laminate comprising:
| 02-26-2009 |
| 20090018237 | POLYLACTIC ACID-CONTAINING RESIN COMPOSITION AND PRODUCT MOLDED THEREFROM - A polylactic acid-containing resin composition is provided which comprises 100 parts by mass of a resin containing 20 to 98 mass % of polymethyl methacrylate and 80 to 2 mass % of polylactic acid, and 1 to 100 parts by mass of an impact resistance improving material. The impact resistance improving material is a polymeric material comprising an acrylic monomer unit. The impact resistance improving material has a refractive index of 1.402 to 1.542. The resin composition is excellent in heat resistance, moldability, durability, transparency and impact resistance. | 01-15-2009 |
| 20080201993 | Shoe Sole Composed of Polyamide Resin Composition and Shoe Using Same - [Problems to be solved] To provide a shoes sole possessing improved resistance to bending fatigue without increasing weight and shoes containing such shoe sole. | 08-28-2008 |
