Patent application number | Description | Published |
20080254279 | Multilayer Structure and Process for Producing the Same - A multilayer structure having a layer of an adhesive resin composition (A) and a layer of another resin (B), wherein the adhesive resin composition (A) includes a thermoplastic resin (a1) containing functional groups of at least one kind selected from the group consisting of a boronic acid group and boron-containing groups capable of being converted into a boronic acid group in the presence of water, and a polyolefin (a2) which does not contain the functional groups, the blending weight ratio (a1/a2) of the thermoplastic resin (a1) to the polyolefin (a2) is 1/99 to 15/85, and particles of the thermoplastic resin (a1) are dispersed with an average particle diameter of 0.1 to 1.2 μm in a matrix of the polyolefin (a2). Consequently, a multilayer structures having satisfactory interlayer adhesion strength can be provided even if the content of the resin having a special functional group in the adhesive resin composition layer is reduced. | 10-16-2008 |
20090012236 | Resin Composition and Film Made of Same - A resin composition is provided which comprises from 50 to 95% by weight of a modified ethylene-vinyl alcohol copolymer (C) obtained by reacting an ethylene-vinyl alcohol copolymer (A) with a monovalent epoxy compound (B) having a molecular weight of 500 or less, and from 5 to 50% by weight of a soft resin (F) that has at least one functional group able to react with a hydroxyl group and has a Young's modulus at 23° C., 50% RH of 500 MPa or less, wherein the soft resin (F) is dispersed with an average particle diameter of 0.1 μm or less in a matrix of the modified ethylene-vinyl alcohol copolymer (C). This resin composition is excellent in barrier properties and also in flex resistance and impact resistance at low temperature. | 01-08-2009 |
20090169902 | OXYGEN-ABSORBING RESIN COMPOSITION - The present invention provides an oxygen-absorbing resin composition containing a thermoplastic resin (A) having carbon-carbon double bonds substantially only in the main chain and a transition metal salt (B), and the oxygen absorption amount of 1 mol of carbon-carbon double bond of the thermoplastic resin (A) being 1.6 mols or more. | 07-02-2009 |
20090308517 | LAMINATED BODY AND METHOD OF PRODUCING THE SAME AS WELL AS INNERLINER FOR PNEUMATIC TIRE AND PNEUMATIC TIRE - The invention provides a laminated body ( | 12-17-2009 |
20100051861 | OXYGEN-ABSORBING RESIN COMPOSITION - It is an object of the invention to provide an oxygen-absorbing resin composition that has excellent oxygen absorbency, in particular a high initial oxygen absorption rate, does not generate an unpleasant odor as a result of oxygen absorption and has high transparency. This objective is achieved by providing an oxygen-absorbing resin composition containing a thermoplastic resin (A) having the structural unit represented by formula (I) below, a transition metal salt (B) and, as necessary, a matrix resin (C): | 03-04-2010 |
20100055364 | OXYGEN ABSORBING COMPOSITION AND CONTAINERS MADE BY USING THE SAME - An oxygen absorbing composition of the present invention comprises a compound with a molecular weight of less than 10000 and an oxygen absorption accelerator. The compound includes two or more ring structures that are of at least one type, each of which has an ether bond. The oxygen absorbing composition further may contain a gas barrier resin. A laminate of the present invention comprises a layer formed of an oxygen absorbing composition of the present invention. | 03-04-2010 |
20100119746 | RESIN COMPOSITION AND MULTILAYER STRUCTURE - An object of the present invention is to provide a resin composition suitable for adhering a layer of a base material, such as polyolefins, and a layer of a barrier resin, such as ethylene-vinyl alcohol copolymers. The object is achieved by a resin composition (A) including: a thermoplastic resin (a1) having functional groups of at least one kind selected from the group consisting of a boronic acid group and boron-containing groups capable of being converted into a boronic acid group in the presence of water, a polyolefin (a2) not having the functional groups, and a thermoplastic elastomer (a3) not having the functional groups, wherein the thermoplastic resin (a1) is contained 1 to 20 parts by mass and the thermoplastic elastomer (a3) is contained 3 to 50 parts by mass in terms of 100 parts by mass of the polyolefin (a2). | 05-13-2010 |
20100280178 | MODIFIED ETHYLENE-VINYL ALCOHOL COPOLYMER AND METHOD FOR THE PRODUCTION THEREOF - Provided is a modified ethylene-vinyl alcohol copolymer (C) having an ethylen content of 5 to 55 mol %, which contains a specific structural unit (I) in an amount of 0.3 to 40 mol % and may be obtained by reacting an ethylene-vinyl alcohol copolymer (A) with a monofunctional epoxy compound (B) having a molecular weight of not more than 500. This can be produced by a method for producing the modified ethylene-vinyl alcohol copolymer (C) which comprises melting and kneading an ethylene-vinyl alcohol copolymer (A) with a monofunctional epoxy compound (B) in an extruder. The modified ethylene-vinyl alcohol copolymer (C) is superior to a unmodified ethylene-vinyl alcohol copolymer (A) in transparency, stretchability, flexibility and flexing resistance due to the specific structural unit (I) incorporated therein, and thus, can be used as a barrier material in various applications requiring the above performance capabilities. | 11-04-2010 |
20110045314 | MULTILAYER STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A multilayer structure having a layer of a polypropylene (A) and a layer of an ethylene-vinyl alcohol copolymer (B) laminated to each other via a layer of an adhesive resin composition (C), wherein the adhesive resin composition (C) contains a thermoplastic resin (c1), having functional groups of at least one kind selected from the group consisting of a boronic acid group and boron-containing groups capable of being converted into a boronic acid group in the presence of water, and an ethylene-α-olefin copolymer (c2), having a density of 0.925 g/cm | 02-24-2011 |
20110097527 | MOLDED ARTICLE AND METHOD FOR PRODUCTION THEREOF - A shaped article including a modified ethylene-vinyl alcohol copolymer (C), wherein the modified ethylene-vinyl alcohol copolymer (C) is a product obtained by modifying an unmodified ethylene-vinyl alcohol copolymer (A) with an epoxy compound (B) having a double bond and has a degree of modification with the epoxy compound (B) of 0.1 to 10 mol % based on the monomer units of the ethylene-vinyl alcohol copolymer (A), and at least a part of the modified ethylene-vinyl alcohol copolymer (C) is crosslinked, and the gel fraction of the shaped article is 3% by weight or more. Thereby, a shaped article which contains almost no harmful crosslinking agent and which is excellent in hot water resistance, heat resistance and a gas barrier property is provided. | 04-28-2011 |