| Patent application number | Description | Published |
|---|
| 20090029172 | THERMOPLASTIC RESIN COMPOSITION HAVING ABILITY TO ABSORB LIGHT WITH WAVELENGTH OF 420 NM AND MOLDED BODY THEREOF - The present invention provides a thermoplastic resin composition comprising: (A) 100 parts by mass of a transparent thermoplastic resin; (B) 0.1 to 2.0 parts by mass of an ultraviolet absorber having an absorption band in the range at least of 340 to 410 nm, when determined in a chloroform solution; and (C) 0.005 to 0.25 parts by mass of an iron oxide fine particle having a mean primary particle diameter of 10 to 80 nm, and a molded article of the same. The thermoplastic resin composition of the present invention has excellent transparency, and shuts off light of 420 nm in wavelength. It can be widely used in the fields of optical, electric and electronic appliances, medical materials and others, and, for example, if it is formed for use in sunglasses and other articles, noticeable effect of eyeball protection can be expected. | 01-29-2009 |
| 20090208755 | THERMOPLASTIC TRANSPARENT COMPOSITION HAVING ABILITY TO ABSORB LIGHT WITH WAVELENGTH OF 410 NM AND MOLDED BODY THEREOF - The present invention provides a thermoplastic transparent composition comprising: (A) 100 parts by mass of a transparent thermoplastic resin; and (B) 0.3 to 3.0 parts by mass of an ultraviolet absorber having an absorption band in the range at least of 340 to 410 nm, when determined in a chloroform solution, and also provides a molded article of the same. The thermoplastic transparent composition of the present invention has excellent transparency and shuts off light of 410 nm in wavelength. It can be widely used in the fields of optics, electrics, electronics, medical materials and others. For example, it can be formed into a lighting apparatus cover to provide a lighting apparatus having excellent mothproof property. | 08-20-2009 |
| 20090286892 | PROCESS FOR THE PRODUCTION OF RECYCLED POLYCARBONATE AS RAW MATERIAL FOR FLAME-RETARDANT RESIN COMPOSITIONS AND POLYCARBONATE-BASE FLAME-RETARDANT RESIN COMPOSITIONS - A method for manufacturing a recycled polycarbonate raw material for a flame retardant resin composition from discarded and/or recovered optical discs using a polycarbonate resin as a substrate material, and includes (a) a step to identify if 2,2-bis(4-hydroxyphenyl)propane as a divalent phenol of the polycarbonate resin raw material is polymerized as the sole raw material in the polycarbonate resin as the substrate material of the discarded and/or recovered optical discs and (b) a step to remove impurities by a chemical treatment by separating only the discarded and/or recovered optical discs, wherein the polycarbonate resin is identified as polymerized by using 2,2-bis(4-hydroxyphenyl)propane as the sole raw material. Accordingly, used optical discs using a PC resin as a substrate material and discarded optical discs as substandard articles in a manufacturing step can be reused as a raw material for a flame retardant polycarbonate resin composition by treating with a method at low cost and a low environmental load. | 11-19-2009 |
| 20090303411 | MULTILAYERED SHEET FOR LIGHT REFLECTION, REFLECTOR, LIGHTING UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - The present invention relates to a multilayered sheet for light reflection for forming a thin and lightweight reflector, a reflector using it, a lighting unit equipped with the reflector and a liquid crystal display device equipped with the lighting unit, with reduced numbers of components in the lighting unit and in the assembly steps that are attained by preparing a reflector comprising a light reflecting plate, a boss portion for attaching a circuit, a reinforced rib portion and a light diffuser panel supporting frame, and, optionally comprising a lamp holder, a lamp supporter and a light diffuser panel supporting column integrated in a single piece, a lighting unit equipped with the reflector and a liquid crystal display device using the lighting unit, wherein the multilayered sheet for light reflection includes a multilayered sheet for light reflection comprising a light reflecting resin layer (A) and a resin substrate layer (B) which contains an inorganic filler in an amount of 30% by mass or more and has the flexural modulus of 5 GPa or more, and a multilayered sheet for light reflection further provided with a flexible resin layer (C) on the side of the resin substrate layer. | 12-10-2009 |
| 20100028640 | FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION, POLYCARBONATE RESIN MOLDED ARTICLE, AND METHOD FOR PRODUCING THE POLYCARBONATE RESIN MOLDED ARTICLE - Provided are a polycarbonate resin composition containing a glass filler, which is excellent in transparency, strength, and heat resistance and provided with high flame retardancy, and a polycarbonate resin molded article obtained by molding the resin composition. The flame-retardant polycarbonate resin composition contains a combination including (A) 55 to 95 mass % of an aromatic polycarbonate resin and (B) 45 to 5 mass % of a glass filler having a refractive index smaller or larger than a refractive index of the aromatic polycarbonate resin by 0.002 or less, and further contains, with respect to 100 parts by mass of the combination, (C) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group and (D) 0.03 to 0.4 part by mass of an organic alkali metal salt compound and/or an organic alkaline earth metal salt compound. The polycarbonate resin molded article has a thickness of 0.3 to 10 mm which is obtained by molding the composition. | 02-04-2010 |
| 20100267879 | POLYCARBONATE RESIN COMPOSITION, POLYCARBONATE RESIN MOLDED ARTICLE, AND METHOD FOR PRODUCING THE SAME - The present invention aims to provide a polycarbonate resin composition containing, with respect to 100 parts by mass of a composition formed of (A) 60 to 90 parts by mass of an aromatic polycarbonate resin containing a polycarbonate-polyorganosiloxane copolymer and (B) 40 to 10 parts by mass of a glass filler having a refractive index smaller or larger than that of the aromatic polycarbonate resin by 0.002 or less, (C) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group and (D) 0.05 to 7.0 parts by mass of glossy particles, a polycarbonate resin molded article obtained by molding the composition, and a method of producing the polycarbonate resin molded article including subjecting the composition to injection molding at a mold temperature of 120° C. or higher to provide the molded article. Provided are a polycarbonate resin composition containing a glass filler, excellent in metallic appearance (having a total light transmittance of 40% or more and a 60° specular gloss of 80 or more), strength, and heat resistance, and provided with high flame retardancy without the use of any flame retardant, a polycarbonate resin molded article obtained by molding the resin composition, and a method of producing the polycarbonate resin molded article. | 10-21-2010 |
| 20100267880 | POLYCARBONATE RESIN COMPOSITION, MOLDED POLYCARBONATE RESIN ARTICLE, AND METHOD FOR PRODUCTION OF THE MOLDED POLYCARBONATE RESIN ARTICLE - Provided is a polycarbonate resin composition which contains specific amounts of a glass filler and glossy particles, which can be molded into an article in which no difference in lightness is visually observed between the left side and the right side of the weld line, and which has excellent optical properties and flame retardancy. The polycarbonate resin composition contains: a composition formed of an aromatic polycarbonate resin (A) and a glass filler (B) having a difference in refractive index 0.002 or less from the aromatic polycarbonate resin of; glossy particles (C-1) having an average particle diameter of 10 μm or more and less than 50 μm; glossy particles (C-2) having an average particle diameter of 50 to 300 μm; a silicone compound (D) having a reactive functional group; and an organic alkali metal salt compound and/or an organic alkali earth metal salt compound (E). Also provided are a polycarbonate resin molded article produced by molding the resin composition, and a method of producing a polycarbonate resin molded article, which is characterized by involving subjecting the resin composition to an injection molding at a mold temperature of 120° C. or higher. | 10-21-2010 |
| 20100286321 | POLYCARBONATE RESIN COMPOSITION, MOLDED POLYCARBONATE RESIN ARTICLE, AND METHOD FOR PRODUCTION OF THE MOLDED POLYCARBONATE RESIN ARTICLE - Provided are: a polycarbonate resin composition which is excellent in mechanical properties, physical properties, optical properties, and flame retardancy, including: a composition formed of an aromatic polycarbonate resin (A) and a glass filler (B) having a difference in refractive index of 0.002 or less from the aromatic polycarbonate resin; glossy particles (C-1) having an average particle diameter of 10 μm or more and less than 50 μm; glossy particles (C-2) having an average particle diameter of 50 to 300 μm; and a silicone compound (D) having a reactive functional group; a polycarbonate resin molded article obtained by molding the polycarbonate resin composition; and a method of producing a polycarbonate resin molded article, involving subjecting the polycarbonate resin composition to injection molding at a mold temperature of 120° C. or higher. | 11-11-2010 |
| 20100316860 | FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION, POLYCARBONATE RESIN MOLDED ARTICLE, AND METHOD FOR PRODUCING THE POLYCARBONATE RESIN MOLDED ARTICLE - Provided are a polycarbonate resin composition containing a glass filler, which is excellent in transparency, strength, and heat resistance and provided with high flame retardancy, and a polycarbonate resin molded article obtained by molding the resin composition. The flame-retardant polycarbonate resin composition contains a combination including (A) 55 to 95% by mass of an aromatic polycarbonate resin and (B) 45 to 5% by mass of a glass filler having a refractive index smaller or larger than a refractive index of the aromatic polycarbonate resin by 0.002 or less, and further contains, with respect to 100 parts by mass of the combination, (C) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group and (D) 1.0 to 2.0 parts by mass of a phosphoric ester compound. The polycarbonate resin molded article has a thickness of 0.3 to 10 mm which is obtained by molding the composition. | 12-16-2010 |
| 20110003128 | FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION, POLYCARBONATE RESIN MOLDED ARTICLE, AND METHOD FOR PRODUCING THE POLYCARBONATE RESIN MOLDED ARTICLE - Provided are a polycarbonate resin composition containing a glass filler, which is excellent in transparency, strength, and heat resistance and provided with high flame retardancy even without using a flame retardant, and a polycarbonate resin molded article obtained by molding the resin composition. The flame-retardant polycarbonate resin composition contains a combination including (A) 55 to 95 mass % of an aromatic polycarbonate resin containing a polycarbonate-polyorganosiloxane copolymer and (B) 45 to 5 mass % of a glass filler having a refractive index smaller or larger than a refractive index of the aromatic polycarbonate resin by 0.002 or less, and (C) 0.05 to 20.0 parts by mass of a silicone compound having a reactive functional group with respect to 100 parts by mass of the combination. The polycarbonate resin molded article has a thickness of 0.3 to 10 mm which is obtained by molding the composition. | 01-06-2011 |
| 20110021678 | POLYCARBONATE RESIN COMPOSITION, MOLDED POLYCARBONATE RESIN, AND PROCESS FOR PRODUCING THE SAME - Disclosed are a polycarbonate resin composition characterized by containing, with respect to 100 parts by mass of a composition formed of (A) 90 to 99 parts by mass of an aromatic polycarbonate resin and (B) 1 part by mass or more and less than 10 parts by mass of a glass filler having a refractive index smaller or larger than that of the aromatic polycarbonate resin by 0.002 or less, (C) 0.01 to 3.0 parts by mass of glossy particles, (D) 0.01 to 3.0 parts by mass of a silicone compound having a reactive functional group, and (E) 0.03 to 1.0 part by mass of an organic alkali metal salt compound and/or an organic alkaline earth metal salt compound, and a polycarbonate resin molded article obtained by molding the composition. The composition may be blended with (F) 0.0001 to 1 part by mass of a colorant as required. Provided are a polycarbonate resin composition having the following characteristics, a polycarbonate resin molded article obtained by molding the resin composition, and a method of producing the polycarbonate resin molded article: the resin composition contains a specific amount of a glass filler with respect to a PC resin composition, no difference in lightness is observed between the left and right of a weld line, and the resin composition is excellent in strength and flame retardancy. | 01-27-2011 |
| 20110028634 | POLYCARBONATE RESIN COMPOSITION, MOLDED POLYCARBONATE RESIN, AND PROCESS FOR PRODUCING THE SAME - Provided are a polycarbonate resin composition which includes a specific amount of a glass filler and a specific amount of a glossy particle and is excellent in optical characteristics and flame retardancy, and in which difference in brightness between a left half and a right half of a weld line of a molded product is not visually observed, a polycarbonate resin molded article, and a method for producing the polycarbonate resin molded article. The polycarbonate resin composition includes, with respect to 100 parts by mass of a composition composed of (A) more than 90 parts by mass and 99 parts by mass or less of an aromatic polycarbonate resin containing 10 to 40 parts by mass of a polycarbonate-polyorganosiloxane copolymerized resin and (B) 1 part by mass or more and less than 10 parts by mass of a glass filler having a difference in a refractive index of 0.002 or less from the aromatic polycarbonate resin, (C) 0.01 to 3.0 parts by mass of a glossy particle and (D) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group. | 02-03-2011 |
