Abstract: The present invention provides an apparatus and method for manufacturing super high fluidity urethane-based spherical fine powder for powder slush molding by melting and mixing a super high fluidity urethane-based thermoplastic resin at high temperature, passing the thermoplastic resin through micro-sized fine holes to be extruded into a fine diameter, cutting the extruded thermoplastic resin into spherical fine powder having a uniform particle size, and drying the cut spherical fine powder.

Abstract: The present invention relates to polypropylene/soybean protein composition for a bio-composite material for an automotive interior or exterior material, a bio-composite sheet prepared by using the composition and its preparation method, and particularly relates to composition for a bio-composite material comprising polypropylene resin, soy protein particles and ZnSO4. The bio-composite sheet prepared by using the composite material composition is light in weight and superior in strength, elasticity in bending, moldability and price competitiveness. This is pleasant to the touch and also eco-friendly because it can be recycled into other applications through some recycling processes.

Abstract: The present invention relates to methods of forming an aqueous coating on a plastic sheet surface for vehicle interior equipment, comprising the steps of: coating the plastic sheet with a primary composition, the primary composition comprising chlorinated aqueous olefin resin; baking the resulting plastic sheet; coating the baked sheet with a secondary composition, the secondary composition comprising aliphatic urethane; and baking the resulting plastic sheet.

Abstract: A polyproplylene-based resin composition for powder slush molding which is a mixture of a polypropylene homopolymer, copolymer, or terpolymer; an olefin rubber; a styrene rubber; a process oil; and a polypropylene wax, wherein the composition is excellent in low-temperature impact resistance and heat resistance and has no offensive odor. The composition can be formed by a cryofreeze pulverization method in the presence of liquid nitrogen into a powder having an average particle size of 200 to 300 ?m suitable for powder slush molding. The powder can be adhered to a polyurethane foamed layer and a surface treating agent without a primer coating. The powder is particularly suitable for forming the interior surface for manufacture of an automobile surface such as an instrument panel.

Abstract: Disclosed is an olefinic thermoplastic composition for powder-molding, more particularly to a composition comprising polypropylene resin, hydrogenated styrene-butadiene rubber or styrene-ethylene-butylene-styrene copolymer rubber and ethylene-octene copolymer elastomer, which has a good melt fluidity, tensile strength and folding stability, and can be used for powder-molding of automobile interior materials and covering materials.

Abstract: The present invention relates to a thermoplastic resin composition capable for being used for skin materials of automotive interior parts comprising a base composition comprising a polypropylene resin, an olefin copolymer rubber, a processing oil, and a low-density polyethylene resin or a high-density polyethylene resin; an organic peroxide crosslinking agent; a crosslingking aid; and polytetrafluoroethylene resin.

Abstract: A polyproplylene-based resin composition for powder slush molding which is a mixture of a polypropylene homopolymer, copolymer, or terpolymer; an olefin rubber; a styrene rubber; a process oil; and a polypropylene wax, wherein the composition is excellent in low-temperature impact resistance and heat resistance and has no offensive odor. The composition can be formed by a cryofreeze pulverization method in the presence of liquid nitrogen into a powder having an average particle size of 200 to 300 &mgr;m suitable for powder slush molding. The powder can be adhered to a polyurethane foamed layer and a surface treating agent without a primer coating. The powder is particularly suitable for forming the interior surface for manufacture of an automobile surface such as an instrument panel.

Abstract: Disclosed is an olefinic thermoplastic composition for powder-molding, more particularly to a composition comprising polypropylene resin, hydrogenated styrene-butadiene rubber or styrene-ethylene-butylene-styrene copolymer rubber and ethylene-octene copolymer elastomer, which has a good melt fluidity, tensile strength and folding stability, and can be used for powder-molding of automobile interior materials and covering materials.

Abstract: The present invention relates to a polyolefin-based composite resin composition having a low coefficient of linear thermal expansion, wherein the composition comprises a) 40 to 80 weight % of crystalline ethylene-propylene copolymer, b) 5 to 40 weight % of ethylene-alpha-olefin copolymer, c) 5 to 30 weight % of calcium-metasilicate based wollastonite, and d) 5 to 30 weight % of inorganic reinforcing agent based on the total composition amount. The polyolefin-based composite resin composition having a low coefficient of linear thermal expansion not only has excellent mechanical rigidity, impact resistance, heat resistance, injection moldability, product flatness, and dimensional stability, but also has a low shrinkage, a low coefficient of linear thermal expansion, and a low heat sag. Therefore, it can be used for the manufacture of automobile exterior components.

Abstract: The present invention relates to a polypropylene resin composition for automobile interior covering methods capable of calender molding and high frequency welding. More particularly, the present invention relates to the polypropylene resin composition capable of calender molding and high frequency welding, which the same comprises a reactor-type polypropylene resin with excellent melt tension, an ethylene-vinyl acetate copolymer having polarity, an ethylene-glycidyl methacrylate-methyl acrylate terpolymer and a phthalate and thus useful for the automobile interior covering materials.

Abstract: The present invention relates to a polypropylene resin composition for automobile interior covering materials capable of calender molding and high frequency welding. More particularly, the present invention relates to the polypropylene resin composition capable of calender molding and high frequency welding, which the same comprises a reactor-type polypropylene resin with excellent melt tension, an ethylene-vinyl acetate copolymer having polarity, an ethylene-glycidyl methacrylate-methyl acrylate terpolymer and a phthalate and thus useful for the automobile interior covering materials.

Abstract: The present invention relates to a thermoplastic resin composition, more specifically to a thermoplastic resin composition with superior extrusion and calendar formability and directly coatable without using primer because the crosslinking density can be arranged to improve the physical and chemical properties of the composition and the solubility to the solvent is increased during the coating process by including processing oil, inorganic filler, crosslinking agent and crosslinking assistant in random polypropylene resin, highly-crystalline random polypropylene resin, highly-crystalline polyolefin resin, olefin copolymer rubber and low-density polyethylene resin. This thermoplastic resin composition may be suitable for the use as surface material of the inner parts of automobiles.

Abstract: The present invention relates to a polyamide resin composition having excellent weather resistance and coating adhesion property and more particularly, to the polyamide resin composition capable of direct painting without pretreatment of primer and maintaining excellent weather resistance for a long period of exposure outside by adding an appropriate amount of a weathering stabilizer and a coating adhesion improver.

Abstract: The present invention relates to a thermoplastic resin composition capable for being used for skin materials of automotive interior parts comprising a base composition comprising a polypropylene resin, an olefin copolymer rubber, a processing oil, and a low-density polyethylene resin or a high-density polyethylene resin; an organic peroxide crosslinking agent; a crosslingking aid; and polytetrafluoroethylene resin.

Abstract: The present invention relates to a polyamide resin composition having excellent weather resistance and coating adhesion property and more particularly, to the polyamide resin composition capable of direct painting without pretreatment of primer and maintaining excellent weather resistance for a long period of exposure outside by adding an appropriate amount of a weathering stabilizer and a coating adhesion improver.

Abstract: A thermoplastic resin composition of the present invention comprises (A) 5-45 parts by weight of polypropylene resin, (B) 10-50 parts by weight of ethylene-propylene-diene rubber, (C) 5-25 parts by weight of an ethylene copolymer, (D) 15-45 parts by weight of an ionomer, (E) 2-10 parts by weight of phenol cross-linking agent and 3-15 parts by weight of a cross-linking accelerator per 100 parts by weight of the (B), and (F) 3-15 parts by weight of epoxy polymer based on 100 parts by weight of the (D), wherein (A+B) is 30-40 parts by weight and (C+D) is 20-70 parts by weight. The thermoplastic resin composition is excellent in impact resistance at low temperature, heat resistance, weather resistance, scratch resistance and the vacuum formability, and is thus useful for the interior sheathing of an automobile.

Abstract: The present invention relates to a thermoplastic resin composition, more specifically to a thermoplastic resin composition with superior extrusion and calendar formability and directly coatable without using primer because the crosslinking density can be arranged to improve the physical and chemical properties of the composition and the solubility to the solvent is increased during the coating process by including processing oil, inorganic filler, crosslinking agent and crosslinking assistant in random polypropylene resin, highly-crystalline random polypropylene resin, highly-crystalline polyolefin resin, olefin copolymer rubber and low-density polyethylene resin. This thermoplastic resin composition may be suitable for the use as surface material of the inner parts of automobiles.

Abstract: The present invention relates to a polyolefin-based composite resin composition having a low coefficient of linear thermal expansion, wherein the composition comprises a) 40 to 80 weight % of crystalline ethylene-propylene copolymer, b) 5 to 40 weight % of ethylene-alpha-olefin copolymer, c) 5 to 30 weight % of calcium-metasilicate based wollastonite, and d) 5 to 30 weight % of inorganic reinforcing agent based on the total composition amount.