Abstract: Provided is a polypropylene resin composition which imparts excellent impact resistance by comprising polypropylene resin, a thermoplastic elastomer, and a wool-like inorganic filler, and simultaneously imparts dimensional stability through control of low shrinkage and orientation, and also has very excellent scratch resistance.

Abstract: In methods for preparing an alkyl carboxylic acid ester according to embodiments of the present invention, a first reaction product is produced by reaction of a carboxylic acid stream and a first alcohol stream in a preliminary reactor. A second reaction product is produced by at least partially removing alcohol and water from the first reaction product. The second reaction product is esterified by reaction with a second alcohol stream in a main reactor. An alkyl carboxylic acid ester is recovered from the main reactor.

Abstract: Disclosed is a polyolefin-based resin composition for a vehicle interior material including heat-treated waste coffee grounds. The resin composition includes a polyolefin-based resin, waste coffee grounds including a volatile matter (VM) in an amount less than about 20 wt % of the waste coffee grounds, a modified polypropylene, an inorganic filler, and a thermoplastic elastomer.

Abstract: The present invention relates to a recombinant microorganism which is capable of simultaneously fermenting at least two sugars in a lignocellulosic saccharified liquid, and also capable of generating diol.

Abstract: Disclosed herein are a long glass fiber reinforced thermoplastic resin composition and a molded article including the same. Specifically, the thermoplastic resin composition may include 30% to 70% by weight of polyamide, 20% to 60% by weight of a reinforcing agent which contains a glass fiber and has a flat-plate shape, and 1% to 5% by weight of a silane-based coupling agent.

Abstract: In a method and a system for decolorizing and deodorizing a polyhydric alcohol according to embodiments of the present invention, a mixture liquid containing a first polyhydric alcohol obtained by a separation process is prepared. The mixture liquid is subjected to a distillation treatment to preliminarily remove substances with different colors and odors to generate a pre-treatment liquid. The pre-treatment liquid is subjected to an adsorption treatment. Through a combination of the distillation treatment and the adsorption treatment, the removing efficiency of the substances with different colors and odors can be increased.

Abstract: Disclosed herein is a recombinant microorganism having enhanced 2,3-butanediol producing ability, wherein a pathway for converting pyruvate to acetyl-CoA, a pathway for converting pyruvate to formic acid, or a pathway for converting pyruvate to lactate is inhibited in a microorganism having acetyl-CoA and lactate biosynthetic pathways.

Abstract: The present invention relates to a recombinant microorganism for producing D(?) 2,3-butanediol, wherein a gene encoding an enzyme for converting acetoin into D(?) 2,3-butanediol is introduced into a microorganism having a pathway for converting acetoin into 2,3-butanediol. In addition, the present invention relates to a method for producing D(?) 2,3-butanediol by using the recombinant microorganism.

Abstract: Embodiments of the invention provide a microorganism capable of simultaneous co-fermentation of two or more sugars in a lignocellulosic hydrolysate and having tolerance against microorganism growth inhibitory substances in the lignocellulosic hydrolysate and further having butanol productivity. In addition, embodiments of the invention provide a recombinant microorganism in which a pathway converting butyryl-CoA into butanol or a pathway converting butyrate into butyryl-CoA is promoted, and butanol productivity is increased. Further, a method for producing butanol using the microorganisms is provided.

Abstract: The present invention relates to an apparatus and a method for fermenting, separating, and refining a product, which is produced by cultivating a microorganism. The apparatus and the method for fermenting, separating, and refining, of the present invention, can separate and refine the product that is produced by microbial fermentation in a simple, continuous manner and with high efficiency.

Abstract: Provided are a method for manufacturing a fiber-reinforced resin composite, a fiber-reinforced resin composite manufactured by the manufacturing method, and a molded product, the method comprising the steps of: spinning a fiber filament; coating a surface of the fiber filament by spraying an impregnation resin emulsion onto the spun fiber filament; and forming a fiber strand by bundling the surface-coated fiber filament.

Abstract: The present invention relates to a gene which codes an enzyme having conversion activity between acetoin and 2,3-butanediol and has a nucleotide sequence of SEQ ID NO: 12. Further, the present invention relates to a protein coded by the gene. Further, the present invention relates to a recombinant microorganism having suppressed activity of the protein.

Abstract: The present invention relates to a recombinant microorganism with improved butanol production ability which has an acetyl-CoA synthesis pathway and a butyryl-CoA synthesis pathway, wherein a pathway converting acetyl-CoA to acetate is inhibited and a pathway converting acetyl-CoA to butyryl-CoA is promoted. In addition, the present invention relates to a method for producing butanol using the recombinant microorganism.

Abstract: The present invention relates to a recombinant microorganism for producing 1,3-propanediol, wherein a pathway converting pyruvate into 2,3-butanediol is inhibited in a microorganism having a pyruvate and acetyl CoA biosynthetic pathway. In addition, the present invention relates to a method for producing 1,3-propanediol by using the recombinant microorganism.

Abstract: Provided is a method for producing bioproducts, including the steps of: culturing a first microorganism to produce bioalcohol; hydrolyzing the first microorganism; separating the bioalcohol; obtaining wastes from the hydrolyzed bioalcohol fermentation; and inoculating a second microorganism into the wastes from the hydrolyzed bioalcohol fermentation.

Abstract: The present invention relates to a method for preparing a polyamide resin, comprising the steps of: (a) preparing a polyamide polymer by anionically polymerizing a monomer including 2-pyrrolidone; (b) refining an unreacted monomer and a catalyst in the polyamide polymer with water; (c) pH-controlling through an ion exchange of the refined water; and (d) recovering the unreacted monomer by concentrating the pH-controlled water.

Abstract: The present invention relates to a microorganism having an acetyl CoA biosynthesis pathway and a butyryl CoA biosynthesis pathway; the microorganism being a recombinant microorganism having an increased ability to produce butanol, wherein a pathway for converting acetyl CoA into acetate is suppressed, and a pathway for converting acetate into acetyl CoA and a pathway for converting butyryl CoA into butanol are promoted. Also, the present invention concerns a method for producing butanol by using the recombinant microorganism.

Abstract: The present invention relates to a recombinant microorganism for producing 1,3-propanediol, wherein a pathway converting pyruvate into 2,3-butanediol is inhibited in a microorganism having a pyruvate and acetyl CoA biosynthetic pathway. In addition, the present invention relates to a method for producing 1,3-propanediol by using the recombinant microorganism.

Abstract: A method for preparing a pitch for carbon fibers and a pitch for carbon fibers prepared by the same are disclosed. The method includes introducing a peroxide compound and ozone into a petroleum-process residual oil, followed by heat treatment for reaction. By the method, the pitch for carbon fibers, which exhibits excellent oxidative stabilization and oxidative incompatibility while having a high softening point and high strength, can be obtained at high yield at a relatively low temperature.

Abstract: A long fiber-reinforced thermoplastic resin composition having improved impact resistance, includes: (A) a long fiber reinforcement; (B) an ethylene-propylene copolymer; (C) a first thermoplastic elastomer; (D) a second thermoplastic elastomer; (E) a functional group-grafted modified polypropylene resin; and (F) an inorganic filler.