Patents Assigned to LOTTE ADVANCED MATERIALS CO., LTD.
  • Patent number: 10358553
    Abstract: A resin composition that can exhibit good heat resistance and/or insulation properties includes (A) a polycarbonate resin, (B) a vinyl-based copolymer, (C) a fluorinated polyolefin and (D) a phosphorus-based flame retardant represented by Chemical Formula 1: wherein, in Chemical Formula 1, R6, R7, R9 and R10 are the same or different and are each independently a C6 to C20 aryl group or C1 to C14 alkyl-substituted C6 to C20 aryl group, R8 is biphenyl, and n is an integer ranging from 1 to 5.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: July 23, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: HyukJin Jung, Myeonghwan Kim, Seungshik Shin
  • Patent number: 10329408
    Abstract: A thermoplastic resin composition and a molded article produced using the same. The thermoplastic resin composition includes: a polyester resin comprising a repeat unit represented by Formula 1; a white pigment; and glass fillers comprising glass fibers having a circular cross-section and an average sectional diameter of about 6 ?m to about 8 ?m and flat glass fibers having a sectional aspect ratio of about 1.5 to about 8, wherein a weight ratio of the glass fibers to the flat glass fibers (circular shape:flat shape) ranges from about 1:0.1 to about 1:6, wherein Ar is a C6 to C18 arylene group; R1 and R3 are the same or different and are each independently a C1 to C10 linear alkylene group; and R2 is a C5 to C12 cyclic alkylene group. The thermoplastic resin composition and the molded article produced using the same can exhibit excellent reflectance, impact resistance, stiffness, and balance therebetween.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 25, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young Ho Park, Chan Moo Park, Tae Gon Kang, Sang Hyun Hong
  • Patent number: 10329415
    Abstract: The present invention relates to a thermoplastic resin composition and, more specifically, to an acrylic resin composition having improved coloring property and heat resistance by comprising an acrylic graft copolymer, an aromatic vinyl-cyano vinyl-based copolymer and an acrylic resin, and thus is suitable for an automotive exterior material.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 25, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ji Eun Park, Young Hyo Kim, Kang Yeol Park, Ja Yoon Kim
  • Patent number: 10316185
    Abstract: Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes a polycarbonate resin, inorganic fillers, an impact modifier comprising a modified olefin-based copolymer, and olefin wax containing a reactive group comprising at least one of a carboxylic acid group, a carboxylic acid anhydride group, an epoxy group, and a glycidyl group, wherein the inorganic fillers comprise flake-type fillers and needle-like fillers. The polycarbonate resin composition has excellent properties in terms of appearance, mechanical properties, and dimensional stability.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 11, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ki Hong Choi, Seung Shik Shin, Kyuong Sik Chin
  • Patent number: 10316188
    Abstract: A thermoplastic resin composition for automobiles and a molded part for automobiles manufactured using the same is disclosed. The thermoplastic resin composition for automobiles includes: a semi-aromatic polyamide resin; an aliphatic polyamide resin; a first chelating agent including an amino group and a carboxyl group acid or a salt thereof; a second chelating agent including a C1 to C10 (not including carbon of carboxyl group) aliphatic polyhydric carboxylic acid having two to four carboxyl groups; and fillers. The thermoplastic resin composition for automobiles can have good long-term thermal stability and can maintain mechanical properties despite exposure to high temperature for a long time, and thus can be easily applied to peripheral parts of an automobile engine compartment.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: June 11, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoung Taek Kang, Jae Youp Chung, Chang Min Hong
  • Patent number: 10301449
    Abstract: A thermoplastic resin composition that can have high reflectance and light efficiency and excellent discoloration resistance even at high temperature and high humidity conditions over a long period of time includes (A) a polyester resin; (B) a white pigment; and (C) a sodium phosphate salt.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 28, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sang Hyun Hong, Tae Gon Kang, Chan Moo Park, Sang Hwa Lee, Yoo Jin Jung, Jong Cheol Lim
  • Patent number: 10287395
    Abstract: A method for manufacturing a polyamide resin, according to the present invention, comprises the steps of: obtaining a low-order condensate in a solid state through polycondensation of dicarboxylic acid and diamine in the presence of a compound having a wt % of approximately 0.01 to 0.5 with respect to the total amount of the dicarboxylic acid and the diamine; and solid-state polymerizing the low-order condensate, wherein the dicarboxylic acid contains, with respect to the total amount of the dicarboxylic acid, approximately 70 mol % of aliphatic dicarboxylic acid having 9 to 12 carbon atoms, wherein the diamine contains, with respect to the total amount of the diamine, approximately 50 mol % of diamine represented by previously indicated chemical formula 1, wherein the range of the maximum temperature of the polycondensation reaction is approximately 200 to 230° C., and the maximum reaction temperature of the solid-state polymerization is approximately 170 to 230° C.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 14, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Tomomichi Kanda, Tomoaki Shimoda
  • Patent number: 10280302
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 1 to about 15 parts by weight of a rubber-modified vinyl copolymer resin; about 10 to about 30 parts by weight of a phosphorus flame retardant; about 3 to about 12 parts by weight of calcium carbonate; about 5 to about 40 parts by weight of talc; and about 0.001 to about 5 parts by weight of a black pigment, wherein a weight ratio of calcium carbonate to talc ranges from about 1:1.5 to about 1:6 and the black pigment has an average particle size of about 10 nm to about 24 nm. The thermoplastic resin composition can realize high gloss and good appearance characteristics, and can exhibit good properties in terms of flowability, impact resistance, thermal resistance, thin film flame retardancy, dimensional stability, and the like.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 7, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Dong In Ha, Tae Gon Kang, Seung Shik Shin, Da Heen Jeong, Ki Hong Choi
  • Patent number: 10273355
    Abstract: A thermoplastic resin composition includes: (A) an acrylic graft copolymer; (B) an aromatic vinyl-vinyl cyanide-based copolymer; (C) a light stabilizer; and (D) a UV absorber having a maximum absorption wavelength of about 250 nm to about 320 nm. The thermoplastic resin composition can realize good coloring properties and weather resistance, while providing a high quality external appearance.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: April 30, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ji Eun Park, Young Hyo Kim, Ja Yoon Kim, Kang Yeol Park
  • Patent number: 10273361
    Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 30, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Won Young Choi, Doo Young Kim, Jung Hun Lee, Won Ko, Chang Min Hong
  • Patent number: 10266692
    Abstract: The present invention relates to an automobile-use thermoplastic resin composition, and an automobile-use molded product manufactured therefrom. The automobile-use thermoplastic resin composition comprises an aliphatic polyamide resin; a first chelating agent comprising an amino group and at least one of carboxylic acid and a salt thereof; a second chelating agent comprising a C1 to C10 (not including carboxyl group carbon) aliphatic polyvalent carboxylic acid having two to four carboxyl groups; and a filler.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: April 23, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoungtaek Kang, Chang Min Hong
  • Patent number: 10233283
    Abstract: A polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the polycarbonate resin has a weight average molecular weight of about 15,000 g/mol to about 60,000 g/mol and a melt index of about 3 g/10 min to about 40 g/10 min.: wherein R1, R2, R3, R4, a, b, c, and d are the same as defined in the specification. The polycarbonate resin for film can exhibit excellent scratch resistance, elongation, chemical resistance and heat resistance, and can be used to prepare a film in roll form without any protective film.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: March 19, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jun Ho Chi, O Sung Kwon, Jong Chan Hur, Hyuck Man Kwon, Dong Geun Lee, Woo Suk Chei, Bok Nam Jang
  • Patent number: 10227488
    Abstract: Disclosed herein are a thermoplastic resin composition and a molded article produced from the thermoplastic resin composition. The thermoplastic resin composition includes: a polycarbonate resin; a rubber-modified vinyl graft copolymer; inorganic fillers comprising talc and wollastonite; maleic anhydride-modified olefin wax; and a phosphorus compound represented by the following Formula 1, wherein a weight ratio of the talc to the wollastonite ranges from about 1:0.1 to about 1:0.9, and a weight ratio of the talc to the phosphorus compound ranges from about 1:0.005 to about 1:0.05: wherein R1 and R2 are the same or different and are each independently a hydrogen atom or a C1 to C10 alkyl group and R3 is a C10 to C30 alkyl group. The thermoplastic resin composition can have excellent properties in terms of impact resistance, stiffness, dimensional stability, appearance, and balance therebetween.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: March 12, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ki Hong Choi, Seung Shik Shin, Hyun Ho Lee, Kyuong Sik Chin, Sung Hun Choi, Dong In Ha
  • Patent number: 10227489
    Abstract: Disclosed are a thermoplastic resin composition including (A) about 100 parts by weight of a base resin including (A-1) about 65 wt % to about 85 wt % of a polycarbonate resin, (A-2) about 5 wt % to about 15 wt % of a polybutylene terephthalate resin, (A-3) about 5 wt % to about 20 wt % of a methyl methacrylate-styrene-acrylonitrile copolymer, and (A-4) greater than about 0 wt % and less than or equal to about 10 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer; and (B) about 5 parts by weight to about 10 parts by weight of a methyl methacrylate-butadiene-styrene copolymer, and a molded article using the same.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: March 12, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Myunghun Kim, Keehae Kwon, Jungeun Park
  • Publication number: 20190062550
    Abstract: A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; and a polycarbonate polyol comprising a terminal hydroxyl group and a repeat unit represented by Formula 1. The polycarbonate resin composition exhibits good properties in terms of color, impact resistance, stiffness and the like even after irradiation with ionizing radiation.
    Type: Application
    Filed: October 12, 2016
    Publication date: February 28, 2019
    Applicant: LOTTE ADVANCED MATERIALS CO., LTD.
    Inventors: Hyun Hye JANG, Chang Heon LEE, Woo Suk CHEI, O Sung KWON
  • Patent number: 10208199
    Abstract: A polyester resin composition and a molded article produced using the same. The polyester resin composition includes: a crystalline polyester resin; a non-crystalline polyester resin; and glass fibers, wherein a weight ratio of the crystalline polyester resin to the non-crystalline polyester resin ranges from about 4:1 to about 1:1.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: February 19, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bong Jae Lee, Yang Il Kim, Min Soo Lee, Seon Hui Lee
  • Patent number: 10196519
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising a (meth)acrylic resin and an aromatic vinyl-based resin; and a siloxane compound represented by the chemical formula 1. The thermoplastic resin composition has excellent scratch resistance, mar resistance, colorability, appearance characteristics and the like.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: February 5, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Byeong Yeol Kim, Yoen Kyoung Kim, Dong Hyun Park, Yeon Wook Chung, Dong Hui Chu, Young Chul Kwon, Kang Yeol Park
  • Publication number: 20190016888
    Abstract: The present invention relates to a polyamide/polyphenylene ether resin composition containing: a base resin comprising polyphenylene ether, a polyamide and an impact modifier; a compatibilizer; and a polyamine, and to: a polyamide/polyphenylene ether resin composition having a notched Izod impact strength of about 12 kJ/m2 or more when measured at 23° C. according to the ISO 180 standard, and a number of checkerboard lattices, in which peeling off occurs, being about 5% or less of the total number of checkerboard lattices in a 1 mm-gap checkerboard pattern test for testing adhesion to acrylic paints and a melamine-based paints according to the JIS K5600-5-6 standard; and a preparation method therefor.
    Type: Application
    Filed: November 17, 2016
    Publication date: January 17, 2019
    Applicant: LOTTE ADVANCED MATERIALS CO., LTD.
    Inventors: Won Young CHOI, Doo Young KIM, Kyun Ha BAN, Chang Min HONG
  • Patent number: 10159937
    Abstract: The present invention relates to a pressure hollow fiber membrane module, including: a housing in which a raw water inlet, a concentrate water outlet, and a treated water outlet are formed; an inner flow path that is formed in the central portion of the housing; a plurality of hollow fiber membranes that are arranged around the inner flow path; a treated water collection unit that communicates with the inner flow path and the hollow fiber membrane; a first opening/closing unit that opens and closes an open end of the inner flow path; and a second opening/closing unit that opens and closes an open end of the hollow fiber membrane.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: December 25, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Pyung Kyu Park, Gyu Hong Min, Jong Sang Park
  • Patent number: 10155202
    Abstract: A hollow fiber membrane restraining apparatus comprising: first and second horizontal wall parts having slits therethrough, wherein the inner walls face one another; and two vertical wall parts erected facing both end parts of the first horizontal wall parts in a horizontal axis direction, wherein a mat stacking part is formed and stacked on the first horizontal wall part such that end parts of mats on which hollow fiber membranes are arranged in a row can be aligned, and the second horizontal wall part is locked onto the vertical wall parts by pushing and restraining the mat stacking part; a header apparatus comprising the same; a hollow fiber membrane module; and a method for manufacturing a hollow fiber membrane module are provided.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: December 18, 2018
    Assignees: LOTTE ADVANCED MATERIALS CO. LTD., LOTTE CHEMICAL CORPORATION
    Inventors: Eu Mine Suk, Young Soo Son, Dong Hyun Kim, Gyu Hong Min