Abstract: To provide a glass fiber which can improve the refractive index of the glass fiber to the same level as a polycarbonate and maintain the transmittance of a molded product after the fiber is reinforced, and a glass fiber-reinforced polycarbonate resin molded product using the glass fiber. A glass fiber to be used as a glass fiber for reinforcing a polycarbonate resin comprising, as inorganic components in whole glass fiber, from 50 to 60 mass % of SiO2, from 10 to 15 mass % of Al2O3, from 15 to 25 mass % of CaO, from 2 to 10 mass % of TiO2, from 2 to 8 mass % of B2O3, from 0 to 5 mass % of MgO, from 0 to 5 mass % of ZnO, from 0 to 5 mass % of BaO, from 0 to 5 mass % of ZrO2, from 0 to 2 mass % of Li2O, from 0 to 2 mass % of Na2O and from 0 to 2 mass % of K2O, wherein the total content of the above Li2O, Na2O and K2O is from 0 to 2 mass % based on the above whole glass fiber, and the refractive index of the above glass fiber is from 1.580 to 1.590.

Abstract: An aqueous binder for an inorganic fiber heat-insulating sound-absorbing member is cured by heating at low temperatures and is capable of providing a strong binder cured product. The inorganic fiber heat-insulating sound-absorbing member is produced by applying an aqueous binder to inorganic fibers and heating the resulting inorganic fibers at 180-220° C. The aqueous binder contains 5.5-10 parts by mass of an ammonium salt of an inorganic acid per 100 parts by mass of the total of an acrylic resin that has an acid value of 350-850 mgKOH/g and a crosslinking agent that contains at least one alkanol amine. The ratio of the total mole number of hydroxy groups, amino groups and imino groups in the crosslinking agent relative to the mole number of carboxyl groups in the acrylic resin is 0.8-1.5. The pH of the aqueous binder is adjusted to 5.0-8.0 by a basic compound.

Abstract: Provided are an amorphous polyamide resin composition having high transparency, and is excellent in heat resistance and stiffness, and a molded product thereof. The glass filler contains, expressed in terms of oxides by mass %, 68 to 74% of silicon dioxide (SiO2), 2 to 5% of aluminum oxide (Al2O3), 2 to 5% of boron oxide (B2O3), 2 to 10% of calcium oxide (CaO), 0 to 5% of zinc oxide (ZnO), 0 to 5% of strontium oxide (SrO), 0 to 1% of barium oxide (BaO), 1 to 5% of magnesium oxide (MgO), 0 to 5% of lithium oxide (Li2O), 5 to 12% of sodium oxide (Na2O), and 0 to 10% of potassium oxide (K2O), where a total amount of lithium oxide (Li2O), sodium oxide (Na2O), and potassium oxide (K2O) is 8 to 12%.

Abstract: An aqueous binder for an inorganic fiber heat-insulating sound-absorbing member is cured by heating at low temperatures and is capable of providing a strong binder cured product. The inorganic fiber heat-insulating sound-absorbing member is produced by applying an aqueous binder to inorganic fibers and heating the resulting inorganic fibers at 180-220° C. The aqueous binder contains 5.5-10 parts by mass of an ammonium salt of an inorganic acid per 100 parts by mass of the total of an acrylic resin that has an acid value of 350-850 mgKOH/g and a crosslinking agent that contains at least one alkanol amine. The ratio of the total mole number of hydroxy groups, amino groups and imino groups in the crosslinking agent relative to the mole number of carboxyl groups in the acrylic resin is 0.8-1.5. The pH of the aqueous binder is adjusted to 5.0-8.0 by a basic compound.

Abstract: It is an object of the present invention to uniformly disperse fibrous material such as short glass fibers so as to be distributed on a collection conveyor, without using compressed air for dispersion of the fibrous material. The present invention provides a method for collecting fibrous material, wherein the fibrous material fiberized by a spinner of a fiberizing unit is dispersed by a hollow bucket disposed just under the spinner, so as to be collected on a collection conveyor disposed below the hollow bucket, comprising: forming said hollow bucket by connecting a blasting section having an oval opening at its lower end, with a waistline section as a lower end of a hopper section having a circular shape in cross section, and deforming the inner surface of the blasting section toward said oval opening, thereby dispersing the fibrous material dropped in the hollow bucket in a width direction of the collection conveyor from the blasting section, so as to be collected on the collection conveyor.

Abstract: To provide a foam board of a polyolefin resin which has an excellent heat insulating property and sound absorption property, of which a product can be material-recycled and which can continuously be produced at a low cost; a method for producing a foam board, which comprises extrusion-foaming by ejecting a mixture of a polyolefin resin composition containing a linear polypropylene resin having a melt tension of from 5 to 30 g at 230° C. and a foaming agent containing at least carbon dioxide in the supercritical state, by means of an extruder which has a multi-hole type die having an opening diameter of from 0.1 to 1.0 mm and the number of openings of from 50 to 5,000 at an ejection amount (V) of from 0.05 to 0.45 kg/hr per one opening in the die at a melt-extrusion temperature of from 160 to 250° C., under atmosphere at a proximal resin pressure of from 7 to 20 MPa at the openings of the die.

Abstract: An extruded polypropylene type resin foam having a high expansion ratio of at least 15 times and a closed cell ratio of at least 70% and excellent in the heat insulation property, and its production process, are provided. An extruded polypropylene type resin foam, which is produced by extrusion-foaming a polypropylene type resin composition containing a linear polypropylene type resin having a melt tension at 230° C. of from 5 to 30 g, by using a blowing agent containing at least a hydrocarbon type gas, and which has an expansion ratio of at least 15 times and a closed cell ratio of at least 70%.

Abstract: Provided is an aqueous binder for inorganic fibers, which is formaldehyde-free, has excellent strength, and is suitable for use under conditions of weakly acidic to weakly basic, and by which a cured product composed of the binder having excellent strength is obtained, and an thermal and/or acoustical insulation material made of inorganic fiber using the same. The thermal and/or acoustical insulation material is molded by using an aqueous binder for inorganic fibers including: an acrylic resin with an acid value of 350 to 850 mgKOH/g; a crosslinking agent containing at least one dialkanolamine; and a curing accelerator, in which a molar ratio of the total number of the hydroxyl groups and imino groups in the crosslinking agent to the total number of carboxyl groups in the acrylic resin is 0.8:1 to 1.5:1, and in which pH of the binder is adjusted to 6.0 to 8.0 with a volatile basic compound.

Abstract: Disclosed is a low melting point glass which has excellent water resistance and can impart excellent flame retardancy to a resin composition. Also disclosed is a resin composition comprising the low melting point glass. Further disclosed is a resin molded article. Specifically disclosed is a low melting point glass which comprises 22-27 mol % of P2O3, 3-18 mol % of SO3, 25-40 mol % of ZnO, 0-2 mol % of Al2O3, 0-4 mol % of Li2O, 0-15 mol % of Na2O and 11-35 mol % of K2O, wherein the total amount of Li2O, Na2O and K2O is 25-35 mol %. The low melting point glass has a glass transition temperature of 200 to 300° C. exclusive. A resin composition is produced by mixing the low melting point glass with a resin. A resin molded article is produced by molding or curing the resin composition.

Abstract: A method for distributing fibrous material, wherein fibrous material, which is fiberized by a spinner of a fiberizing unit, is accumulated on a collection conveyor disposed under the spinner, is characterized by rotatably disposing a hollow cylindrical bucket at a position just under the spinner, the hollow cylindrical bucket having a two-stage structure comprising an upper stage part and a lower stage part, the lower stage part being inclined at an angle with respect to a rotary axis of the hollow cylindrical bucket; and rotating the hollow cylindrical bucket, dispersing the fibrous material in the hollow cylindrical bucket and accumulating the fibrous material on the collection conveyor after flowing down the fibrous material in the hollow cylindrical bucket.

Abstract: An extruded polypropylene type resin foam having a high expansion ratio of at least 15 times and a closed cell ratio of at least 70% and excellent in the heat insulation property, and its production process, are provided. An extruded polypropylene type resin foam, which is produced by extrusion-foaming a polypropylene type resin composition containing a linear polypropylene type resin having a melt tension at 230° C. of from 5 to 30 g, by using a blowing agent containing at least a hydrocarbon type gas, and which has an expansion ratio of at least 15 times and a closed cell ratio of at least 70%.

Abstract: To provide a foam board of a polyolefin resin which has an excellent heat insulating property and sound absorption property, of which a product can be material-recycled and which can continuously be produced at a low cost. A method for producing a foam board, which comprises extrusion-foaming by ejecting a mixture of a polyolefin resin composition containing a linear polypropylene resin having a melt tension of from 5 to 30 g at 230° C. and a foaming agent containing at least carbon dioxide in the supercritical state, by means of an extruder which has a multi-hole type die having an opening diameter of from 0.1 to 1.0 mm and the number of openings of from 50 to 5,000 at an ejection amount (V) of from 0.05 to 0.45 kg/hr per one opening in the die at a melt-extrusion temperature of from 160 to 250° C., under atmosphere at a proximal resin pressure of from 7 to 20 MPa at the openings of the die.

Abstract: It is an object of the present invention to uniformly disperse fibrous material such as short glass fibers so as to be distributed on a collection conveyor, without using compressed air for dispersion of the fibrous material. The present invention provides a method for collecting fibrous material, wherein the fibrous material fiberized by a spinner of a fiberizing unit is dispersed by a hollow bucket disposed just under the spinner, so as to be collected on a collection conveyor disposed below the hollow bucket, comprising: forming said hollow bucket by connecting a blasting section having an oval opening at its lower end, with a waistline section as a lower end of a hopper section having a circular shape in cross section, and deforming the inner surface of the blasting section toward said oval opening, thereby dispersing the fibrous material dropped in the hollow bucket in a width direction of the collection conveyor from the blasting section, so as to be collected on the collection conveyor.

Abstract: Provided is a method of producing an inorganic fiber mat, the method enabling efficient adhesion of an aldehyde scavenger to an inorganic fiber mat while preventing the aldehyde scavenger from scattering around. The method of producing an inorganic fiber mat includes a fiber collection step of applying a binder to inorganic fibers and accumulating in a mat-like shape on a conveyor line to form an inorganic fiber web, a binder-curing step of heat-curing the binder applied to the inorganic fiber web to form an inorganic fiber mat, and an aldehyde scavenger application step of applying an aldehyde scavenger to the inorganic fiber mat, in which the aldehyde scavenger application step involves spraying the aldehyde scavenger in a form of droplets having an average diameter of 1 to 50 ?m on a front side of the inorganic fiber mat and sucking from a back side of the inorganic fiber mat.

Abstract: Provided is an aqueous binder for inorganic fibers, which is formaldehyde-free, has excellent strength, and is suitable for use under conditions of weakly acidic to weakly basic, and by which a cured product composed of the binder having excellent strength is obtained, and an thermal and/or acoustical insulation material made of inorganic fiber using the same. The thermal and/or acoustical insulation material is molded by using an aqueous hinder for inorganic fibers including: an acrylic resin with an acid value of 350 to 850 mgKOH/g; a crosslinking agent containing at least one dialkanolamine; and a curing accelerator, in which a molar ratio of the total number of the hydroxyl groups and imino groups in the crosslinking agent to the total number of carboxyl groups in the acrylic resin is 0.8:1 to 1.5:1, and in which pH of the hinder is adjusted to 6.0 to 8.0 with a volatile basic compound.

Abstract: A glass filler for a polycarbonate resin, whereby the refractive index of the glass filler can be improved to the same level as a polycarbonate resin, and the transparency of a molded product after reinforced with such a filler can be maintained without coloration, and a polycarbonate resin composition employing such a filler, are provided.

Abstract: Provided is a solar cell module that can be reduced in thickness and weight, is applicable to a curve shape, and can be applied to an exterior material of a vehicle. The solar cell module (1) includes a front surface cover member (2) provided on a side into which sunbeam enters, a rear surface cover member (3) provided on a side opposite to the side into which sunbeam enters to face the front surface cover member, and a solar cell (4) provided between the front surface cover member (2) and the rear surface cover member (3). The front surface cover member (2) and the rear surface cover member (3) are each formed of a glass filler-containing thermoplastic resin molded product, and the front surface cover member (2) has a parallel light transmittance of 65% or more and a haze of less than 30%. The glass filler-containing thermoplastic resin molded product has a linear expansion coefficient of preferably 3.0 to 6.0 (×10?5/° C.).

Abstract: A glass powder having an average particle size of at least 0.5 ?m and smaller than 5.0 ?m, having a specific surface area of at least 1.5 m2/cm3, and having a glass transition temperature higher than 200° C. and lower than 400° C.

Abstract: A method for distributing fibrous material, wherein fibrous material, which is fiberized by a spinner of a fiberizing unit, is accumulated on a collection conveyor disposed under the spinner, is characterized by rotatably disposing a hollow cylindrical bucket at a position just under the spinner, the hollow cylindrical bucket having a two-stage structure comprising an upper stage part and a lower stage part, the lower stage part being inclined at an angle with respect to a rotary axis of the hollow cylindrical bucket; and rotating the hollow cylindrical bucket, dispersing the fibrous material in the hollow cylindrical bucket and accumulating the fibrous material on the collection conveyor after flowing down the fibrous material in the hollow cylindrical bucket.

Abstract: To provide a glass fiber which can improve the refractive index of the glass fiber to the same level as a polycarbonate and maintain the transmittance of a molded product after the fiber is reinforced, and a glass fiber-reinforced polycarbonate resin molded product using the glass fiber. A glass fiber to be used as a glass fiber for reinforcing a polycarbonate resin comprising, as inorganic components in whole glass fiber, from 50 to 60 mass % of SiO2, from 10 to 15 mass % of Al2O3, from 15 to 25 mass % of CaO, from 2 to 10 mass % of TiO2, from 2 to 8 mass % of B2O3, from 0 to 5 mass % of MgO, from 0 to 5 mass % of ZnO, from 0 to 5 mass % of BaO, from 0 to 5 mass % of ZrO2, from 0 to 2 mass % of Li2O, from 0 to 2 mass % of Na2O and from 0 to 2 mass % of K20, wherein the total content of the above Li2O, Na2O and K2O is from 0 to 2 mass % based on the above whole glass fiber, and the refractive index of the above glass fiber is from 1.580 to 1.590.