Patents Assigned to LOTTE ADVANCED MATERIALS CO., LTD.
  • Patent number: 9951216
    Abstract: A thermoplastic resin composition having improved weather resistance includes an acrylic graft copolymer, an aromatic vinyl-vinyl cyanide copolymer, and a coloring agent including an inorganic pigment and an organic pigment mixed with each other at a predetermined ratio to maintain mechanical properties of the resin and have improved color mixing ability and weather resistance.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 24, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ji Eun Park, Kyun Ha Ban, Ja Yoon Kim, Chang Min Hong
  • Patent number: 9944053
    Abstract: A laminate sheet includes at least one base layer including a first thermoplastic resin; and at least one metallic resin layer disposed on one side or both sides of the base layer and including a second thermoplastic resin and a metal-resin composite particles, wherein the first thermoplastic resin and the second thermoplastic resin are the same or different from each other, the metal-resin composite particles includes a metal deposition layer, a first coating layer positioned on one side of the metal deposition layer, and a second coating layer positioned on the other side of the metal deposition layer, and each of the first coating layer and the second coating layer includes a thermosetting resin. A method of manufacturing the laminate sheet, an article using the laminate sheet and a method of manufacturing the article are also provided.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: April 17, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon
  • Patent number: 9902850
    Abstract: A thermoplastic resin composition includes (A) a rubber-modified vinyl-based graft copolymer, (B) a silicone-modified aromatic vinyl-based copolymer, and (C) an aromatic vinyl-unsaturated nitrile-based copolymer. The thermoplastic resin composition can exhibit low-gloss characteristics and a synergistic effect of impact resistance and heat resistance.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: February 27, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Kwang Soo Park, Jae Won Heo, Young Sub Jin
  • Patent number: 9902808
    Abstract: A copolymerized polyamide resin includes a polymer of a monomer mixture comprising a dicarboxylic acid component comprising adipic acid and a dicarboxylic acid represented by Formula 1, wherein each R1 is independently a C1 to C5 alkyl group and a is an integer from 0 to 4, and a diamine component comprising m-xylene diamine and a diamine represented by Formula 2, wherein A is a single bond or a C1 to C10 hydrocarbon group, R2 and R3 are each independently a C1 to C5 alkyl group, and b and c are each independently an integer from 0 to 4, wherein the copolymerized polyamide resin has a difference between a melting temperature (Tm) and a crystallization temperature (Tc) of about 50° C. or more. The copolymerized polyamide resin may have excellent heat resistance and reduced or no gel generation and yellowing phenomenon in a molding process.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: February 27, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: So Young Kwon, Jin Kyu Kim, Young Sub Jin, Joon Sung Kim, Ki Yon Lee, Suk Min Jun
  • Patent number: 9899580
    Abstract: A polyester resin composition comprises: (A) a first polyester resin having a melting temperature of greater than about 285° C.; (B) a second polyester resin having a melting temperature of less than or equal to about 285° C.; (C) a white pigment; and (D) an inorganic filler. The polyester resin composition may exhibit improved mechanical properties and discoloration resistance and can be used in a molded article, for example, as a LED reflector.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: February 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Tae Gon Kang, Chan Moo Park, Jong Cheol Lim, Sang Hyun Hong
  • Patent number: 9890281
    Abstract: A thermoplastic resin composition for laser direct structuring and a molded article including the same. The thermoplastic resin composition includes: (A) a thermoplastic resin; (B) a laser direct structuring additive; and (C) an olefin copolymer.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Eun Taek Woo, Jung Ki Kim, Na Ri Park, Sang Hyun Hong
  • Patent number: 9868849
    Abstract: The present invention relates to a coloring resin composition exhibiting pleochroism comprising 100 parts by weight of a transparent thermoplastic resin (A); 0.01 to 0.03 parts by weight of a dye for coloring a resin (B) which is one selected from the group consisting of an azo-based dye (b1), an anthraquinone-based dye (b2), and a methine dye (b3); and 0.1 to 0.3 parts by weight of a functional black dye (C) obtained by mixing an anthraquinone-based dye (c1) and a perinone-based dye (c2). A resin molded article manufactured by the coloring resin composition exhibiting pleochroism of the present invention is characterized by exhibiting different colors of light according to thicknesses although the resin molded article is irradiated with light sources in a single wavelength.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: January 16, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoung Joo Chung, Jae Kyung Kim, Eun Ju Song, Young Bae Lee
  • Patent number: 9862822
    Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer that includes a rubbery polymer having an average particle size of about 0.5 to about 20 ?m; and (C) metal particles. A molded article can be prepared using the composition.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: January 9, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Keehae Kwon, Won Ko, Wonseon Lee, Chang Min Hong
  • Patent number: 9862870
    Abstract: The present invention relates to a thermally conductive polycarbonate resin composition comprising (A) a polycarbonate resin, (B) a thermally conductive filler, (C) a modified polyolefin-based copolymer and (D) a low-molecular-weight polyolefin-based resin, thereby simultaneously exhibiting high impact strength, improving thermal conductivity and mechanical properties such as tensile strength and elongation, and having an excellent extrusion molding property.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: January 9, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Nam Hyun Kim, Chan Gyun Shin, Byung Kuk Jeon, Jong Cheol Lim
  • Patent number: 9856371
    Abstract: A thermoplastic resin composition includes (A) a graft rubber copolymer, (B) an aromatic vinyl-vinyl cyanide-based copolymer, and (C) a silicone-modified aromatic vinyl-vinyl cyanide-based copolymer. The silicone-modified aromatic vinyl-vinyl cyanide-based copolymer (C) has an average particle size of about 100 ?m or less.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 2, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Yu Jin Jung, Young Sub Jin
  • Patent number: 9850333
    Abstract: A copolymer capable of realizing a synergistic effect of matting characteristics and heat resistance properties includes two or more types of compounds including at least two unsaturated reactive groups. A thermoplastic resin composition including the copolymer is also provided.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 26, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Il Jin Kim, Kwang Soo Park, Natarajan Senthilkumar, Tae Gon Kang, Bo Eun Kim, Jun Sung Oh
  • Patent number: 9840587
    Abstract: The polyamide production method of the present invention comprises the steps of: producing a low-order condensate by effecting a polycondensation reaction between a dicarboxylic acid component containing between about 5 and about 40 mol. % of terephthalic acid, and a diamine component containing between about 70 and about 100 mol. % of a xylylenediamine in which the content of paraxylylenediamine is between about 50 and about 100 mol. %, under conditions of a reaction temperature of at least about 200° C. and less than about 230° C.; discharging and cooling the low-order condensate at a pressure at or below atmospheric pressure, in an inert gas atmosphere; and subjecting the discharged and cooled low-order condensate to solid state polymerization. The production method makes it possible to obtain a polyamide having outstanding mechanical strength, heat resistance, color tone and the like without problems such as gelling.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: December 12, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Tomomich Kanda, Tomoaki Shimoda
  • Patent number: 9840610
    Abstract: A thermoplastic resin composition includes (A) a polyester resin, (B) inorganic fillers, and (C) a white pigment, wherein at least one of the (B) inorganic fillers and the (C) white pigment is subjected to surface treatment with a silicone compound, and silicon is present in an amount of about 0.3 wt % to about 2 wt % based on the total weight of (A), (B), and (C).
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: December 12, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Chan Moo Park, Tae Gon Kang, Yoo Jin Jung, Jong Cheol Lim, Sang Hyun Hong
  • Patent number: 9796814
    Abstract: A polyamide resin, according to the present invention, is formed through polycondensation of a monomer comprising 1,4-cyclohexanedicarboxylic acid, 1,10-decanediamine, and 1,12-dodecanediamine, wherein the molar ratio of 1,10-decanediamine and 1,12-dodecanediamine is approximately 10:90 to approximately 65:35. As a result, the polyamide resin capable of enabling high durability and color stability in the polyamide molded body can be provided.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Tomomichi Kanda, Tomoaki Shimoda
  • Patent number: 9796845
    Abstract: Disclosed is a nylon-based resin composite that has a sufficiently low moisture absorption rate to substantially prevent the occurrence of deformation and can attain both low warpage and improved impact resistance. The nylon-based resin composite comprises about 100 parts by weight of a base resin and about 1 to about 30 parts by weight of an impact modifier wherein the base resin comprises about 20 to about 80% by weight of a modified nylon-based thermoplastic resin containing benzene rings in the main chain and about 20 to about 80% by weight of a flat reinforcing fiber having a cross-sectional aspect ratio of about 1.5 or more.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jung Hoon Park, Young Jun Lee, Tae Uk Kim, Bum Seok Youn
  • Patent number: 9796841
    Abstract: An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a silicone compound having at least two unsaturated reactive groups; and a C4 to C20 linear or branched alkyl group-containing acrylic compound. A thermoplastic resin composition including the aromatic vinyl copolymer can have excellent matting properties, impact resistance, flowability, and balance therebetween.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jae Won Heo, Joo Hyun Jang, Kwang Soo Park, Bo Eun Kim, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Patent number: 9790369
    Abstract: Provided is a complex material that includes a first metal deposition layer, a first thermosetting resin layer positioned on one side of the first metal deposition layer, and a second thermosetting resin layer positioned on the other side of the first metal deposition layer.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon, Seon-Ae Lee, Min-Young Lim
  • Patent number: 9790362
    Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer; (C) a branched copolymer that includes a silicon compound having two or more unsaturated radicals; and (D) metal particles. A molded product can be prepared using the composition.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Keehae Kwon, Won Ko, Boeun Kim, Joohyun Jang, Chang Min Hong
  • Patent number: 9790364
    Abstract: A thermoplastic resin composition and a molded article manufactured using the same. The thermoplastic resin composition includes: a polycarbonate resin; a rubber-modified aromatic vinyl graft copolymer; an aromatic vinyl copolymer resin; a phosphorus flame retardant; and inorganic fillers, wherein the rubber-modified aromatic vinyl graft copolymer comprises a first rubber-modified aromatic vinyl graft copolymer comprising a rubber polymer having an average particle diameter (D50) of about 100 nm to about 135 nm and a second rubber-modified aromatic vinyl graft copolymer comprising a rubber polymer having an average particle diameter (D50) of about 250 nm to about 400 nm, and a weight ratio of the first rubber-modified aromatic vinyl graft copolymer to the second rubber-modified aromatic vinyl graft copolymer ranges from about 1:0.1 to about 1:about 10. The thermoplastic resin composition can exhibit excellent properties in terms of fatigue resistance, impact resistance, and flame retardancy.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Woo Jin Lee, Jo Won Lee, Hyuk Jin Jeong
  • Patent number: 9790357
    Abstract: A heat resistant thermoplastic resin composition and a molded article manufactured using the same. The heat resistant thermoplastic resin composition includes about 100 parts by weight of an aromatic vinyl compound; about 20 parts by weight to about 60 parts by weight of a polycarbonate resin; and about 30 parts by weight to about 60 parts by weight of an impact modifier. The heat resistant thermoplastic resin composition and a molded article manufactured using the same can have excellent properties in terms of impact resistance, heat resistance, and/or chemical resistance and can be eco-friendly due to low level of VOC emissions.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jeong Min Lee, Kee Hae Kwon, Jeong Eun Park, Chang Min Hong, Jae Youp Chung