Patent application number | Description | Published |
20090306287 | Polylactic Acid Resin Composition - The present invention relates to a polylactic acid resin composition. The composition includes about 25 to about 80 parts by weight of a polylactic acid resin, (B) about 20 to about 75 parts by weight of a polycarbonate resin, and (C) about 0.01 to about 5 parts by weight of a chain extender including an amine group, based on about 100 parts by weight of (A)+(B). The polylactic acid resin composition of the present invention is environmentally-friendly and has excellent hydrolysis resistance and simultaneously improved mechanical strength and heat resistance, and accordingly can be used for manufacturing various molded products requiring heat resistance and mechanical strength, for example vehicles, machine parts, electronic parts, office machines, miscellaneous goods, and the like. | 12-10-2009 |
20100056700 | Environmentally-Friendly Polylactic Acid Resin Composition - An environmentally-friendly polylactic acid resin composition includes (A) a mixed resin including (a1) a polylactic acid (PLA) resin and (a2) a polycarbonate resin, and (B) a compatibilizer capable of forming a stereo-complex with the polylactic acid resin. According to the present invention, the polylactic acid resin composition is environmentally-friendly and has excellent appearance and improved welding impact strength, as well as improved mechanical strength and heat resistance. Accordingly, it can be used for manufacturing various molded products requiring heat resistance and mechanical strength, for example electronic parts, office machines, miscellaneous goods, and the like. | 03-04-2010 |
20100125112 | Natural Fiber-Reinforced Polylactic Acid Resin Composition and Molded Product Made Using the Same - Disclosed is a natural fiber-reinforced polylactic acid resin composition that includes (A) a first polylactic acid resin; and (B) a natural fiber surface-treated with a second polylactic acid resin. The second polylactic acid resin can include a different isomer from the first polylactic acid resin, or alternatively, when measured under isothermal conditions after quenching from about 240° C. to a crystallization temperature, a spherulite crystal is first formed at a surface of the natural fiber and the growth rate at the surface is faster than at other positions. A molded product made using the natural fiber-reinforced polylactic acid resin composition is also disclosed. | 05-20-2010 |
20100144932 | Natural Fiber Reinforced Polylactic Acid Resin Composition and Molded Product Using the Same - Disclosed is a natural fiber reinforced polylactic acid resin composition that includes (A) a mixed resin including (A-1) a polylactic acid resin and (A-2) a natural fiber, (B) a coupling agent, and (C) carbon nanotubes. | 06-10-2010 |
20100152362 | Aliphatic Polyester Copolymer, Method for Preparing the Same and Polylactic Acid Resin Composition Using the Same - A block or graft copolymer including a thermoplastic resin segment and as an aliphatic polyester segment is provided. The copolymer can be used as a compatibilizer for a resin alloy comprising polylactic acid, which can reduce the consumption of petroleum raw materials. | 06-17-2010 |
20100160499 | Polylactic Acid/Polycarbonate Resin Composition and Molded Product Using the Same - Disclosed is a polylactic acid/polycarbonate resin composition including (A) about 100 parts by weight of a mixed resin including: (a1)) about 10 to about 90 wt % of a polycarbonate resin and (a2) about 10 to about 90 wt % of a polylactic acid resin; (B) about 1 to about 50 parts by weight of a flame retardant based on about 100 parts by weight of the mixed resin; (C) about 1 to about 30 parts by weight of an acryl-based copolymer based on about 100 parts by weight of the mixed resin; and (D) about 1 to about 20 parts by weight of an impact-reinforcing agent based on about 100 parts by weight of the mixed resin. | 06-24-2010 |
20100160558 | Polyhydroxy Alkanoate Resin Composition and Molded Product Made Using the Same - Disclosed are a polyhydroxy alkanoate resin composition including (A) a polyhydroxy alkanoate resin and (B) a vinyl-based copolymer resin including (B-1) a copolymer including two or more monomers comprising an aromatic vinyl monomer, an unsaturated nitrile monomer, an acryl-based monomer, or a combination thereof; and (B-2) a rubber-modified vinyl-based graft copolymer and a molded product fabricated using the same. | 06-24-2010 |
20100160559 | Polylactic Acid/Polycarbonate Resin Composition and Molded Product Made Using the Same - Disclosed is a polylactic acid/polycarbonate resin composition including (A) a mixed resin including (a1) a polycarbonate resin and (a2) a polylactic acid resin, and (B) a modified acrylic-based resin, and a molded product made using the same. | 06-24-2010 |
20100168332 | Polylactic Acid Resin Composition and Molded Product Using the Same - Disclosed are a polylactic acid resin composition that includes (A) about 10 to about 80 wt % of a polylactic acid resin; (B) about 5 to about 50 wt % of a rubber modified vinyl-based graft copolymer; (C) about 10 to about 80 wt % of a vinyl-based copolymer; and (D) about 5 to about 75 wt % of poly(meth)acrylic acid alkyl ester, and a molded product made using the same. | 07-01-2010 |
20120172502 | Flame Retardant Thermoplastic Resin Composition - A flame retardant thermoplastic resin composition according to the present invention comprises (A) about 100 parts by weight of rubber modified aromatic vinyl copolymer resin; (B) about 0.1 parts by weight to about 10 parts by weight of a matting agent, based on about 100 parts by weight of the rubber modified aromatic vinyl copolymer resin (A); and (C) about 19 parts by weight to about 23 parts by weight of a brominated flame retardant, based on about 100 parts by weight of the rubber modified aromatic vinyl copolymer resin (A). The composition can have excellent impact strength and low-gloss property. | 07-05-2012 |
20120172508 | Glass Fiber Reinforced Polycarbonate Resin Composition - A glass fiber reinforced polycarbonate resin composition includes (A) a glass fiber reinforced polycarbonate, (B) a mixture of two kinds of organic silicone based compounds comprising (b1) a siloxane based compound and (b2) a silicone based resin, (C) a metal salt based flame retardant, and (D) a fluorinated polyolefin based resin and can have excellent flame retardancy and impact resistance. | 07-05-2012 |
20120232184 | Environmentally Friendly Polyamide Resin Composition and Molded Product Using the Same - Provided are an environmentally-friendly polyamide resin composition that includes (A-1) a first polyamide resin including polyamide 11, polyamide 1010, or a combination thereof, (B) a glass fiber having a cross-sectional aspect ratio of about 1.5 or more, and (C) a branched graft copolymer including a polyolefin main chain, and optionally (A-2) second polyamide resin including a C6 organic chain in one repeating unit, and a molded product using the same. | 09-13-2012 |
20130281603 | Thermoplastic Resin Composition with Improved Cloudy White Phenomenon at Low Temperatures - A thermoplastic resin composition comprises: (A) a graft copolymer resin comprising a core comprising a rubber polymer; and a shell formed by graft polymerization of acrylic acid alkyl ester monomer and/or methacrylic acid alkyl ester monomer, unsaturated nitrile monomer, and aromatic vinyl monomer on the surface of the core; (B) a non-graft copolymer resin comprising a copolymer which is formed by polymerizing acrylic acid alkyl ester monomer and/or methacrylic acid alkyl ester monomer, aromatic vinyl monomer, and unsaturated nitrile monomer; and a (co)polymer which is formed by polymerizing acrylic acid alkyl ester monomer, methacrylic acid alkyl ester monomer or a combination thereof; and (C) a siloxane impact reinforcing agent. The composition can have excellent impact strength and scratch resistance, and exhibits reduced or no cloudy white phenomenon at a low temperature. | 10-24-2013 |