Abstract: A lithium-manganese composite oxide represented by formula (1): Li1+x[(FeyNi1?y)zMn1?z]1?xO2 (1) wherein x, y, and z satisfy the following: 0<x??, 0?y<1.0, and 0<z?0.6, and wherein the content ratio of Li to the total content of Fe, Ni, and Mn (Li/(Fe+Ni+Mn)) is 1.55 or less on a molar ratio basis, the lithium-manganese composite oxide containing a crystalline phase having a layered rock-salt structure. This composite oxide is a novel material made from less resource-constrained and cheaper elements, and exhibits a high specific capacity, excellent charge-and-discharge cycle characteristics, and a high discharge capacity at a high current density (excellent rate characteristics), when used in the positive electrode material for lithium-ion secondary batteries.

Abstract: A lithium-manganese composite oxide represented by formula (1): Li1+x[(FeyNi1?y)zMn1?z]1?xO2 (1) wherein x, y, and z satisfy the following: 0<x??, 0?y<1.0, and 0<z?0.6, and wherein the content ratio of Li to the total content of Fe, Ni, and Mn (Li/(Fe+Ni+Mn)) is 1.55 or less on a molar ratio basis, the lithium-manganese composite oxide containing a crystalline phase having a layered rock-salt structure. This composite oxide is a novel material made from less resource-constrained and cheaper elements, and exhibits a high specific capacity, excellent charge-and-discharge cycle characteristics, and a high discharge capacity at a high current density (excellent rate characteristics), when used in the positive electrode material for lithium-ion secondary batteries.

Abstract: A polymer composite material which comprises a thermoplastic resin and a lamellar inorganic compound dispersed therein on the order of submicron to nanometer and which is excellent in mechanical properties, heat resistance, etc.; and a production process which comprises kneading a thermoplastic resin together with a lamellar inorganic compound swollen with a dispersion medium comprising water and/or an organic solvent with a shearing kneader at a temperature which is lower than the melting temperature of the thermoplastic resin and not higher than the boiling point of the dispersion medium and then kneading the resultant mixture while heating it to a temperature not lower than the boiling point of the dispersion medium. By the production process, a polymer composite material containing a lamellar inorganic compound is obtained which has the desired properties.

Abstract: A resin composition which has improved resistance to yellowing due to light without loss of the superior characteristics of polyphenylene ether polyamide resins comprises(A) a polyphenylene ether resin,(B) a polyamide resin,(C) a styrene thermoplastic resin,(D) a pigment;wherein the styrene thermoplastic resin and the pigment are dispersed in the polyphenylene ether resin and the polyphenylene ether resin is a particulate dispersion in the polyamide resin. The composition may further comprise a rubber polymer wherein the rubber polymer is dispersed in the polyphenylene ether resin.

Abstract: Thermoplastic compositions are provided containing polyphenylene ether resin, polyamide resin and terpene phenol having a hydroxyl value of 45 or above. The compositions have outstanding coating film adhesion.

Abstract: Resin composition comprising 8-10 parts by weight of a polyphenylene ether resin, 90-20 parts by weight of a polyamide resin, and 30-70 parts by weight, per 100 parts by weight of the polyphenylene ether resin and the polyamide resin combined, of a plate or flake like inorganic filler wherein the inorganic filler has an average particle size of no more than 5 .mu.m and as aspect ratio of no less than 3 and wherein the difference between the crystallization initiation temperature of a composition comprising 90 weight percent polyamide and 10 weight percent of the inorganic filler and the crystallization initiation temperature of the polyamide resin is 5.degree. C. or less. The resin compositions have excellent surface smoothness, high rigidity, a small linear expansion coefficient, and good impact resistance, heat resistance and chemical resistance.

Abstract: The present inventions provides polyphenylene ether (PPE)/polyamide (PA) resin compositions having excellent dimensional stability when they absorb moisture, and good mechanical and other properties. Resin compositions of (A) 10-80 wt. parts PPE resins and (B) 90-20 wt. parts PA resins, in which the PA resins (a) are polymers formed by condensation of linear aliphatic diamines with linear aliphatic dicarboxylic acids and aromatic dicarboxylic acids, and (b) have terminal amino group contents of at least 0.4 mequiv/g.

Abstract: Resin compositions comprising (A) polyethylene ether resins, (B) polyamide resins, (C) elastomeric substances, and (D) needle-shaped titanium oxide are disclosed. The disclosed resins exhibit an excellent balance of stiffness and impact resistance, low linear coefficient of expansion, and good heat resistance, oil resistance, forming processability and molding surface appearance.

Abstract: An aromatic polycarbonate composition contains aromatic polycarbonate in which a ratio of the phenolic end group to the non-phenolic end group is at least 1/19, and a copolymer having epoxy or oxazolinyl group, aromatic vinyl-diene-vinyl cyanide copolymer or aromatic polyester, or glass filler. Compatability between the specific aromatic polycarbonate and the other resin, weld strength, melt stability or adhesion to glass filler are improved.