公开(公告)号：US20170260382A1

公开(公告)日：2017-09-14

申请号：US15309719

申请日：2015-11-24

Applicant: LG Chem, Ltd.

Inventor： Soo Kyeong LEE ,  Seung Cheol RYOO ,  Seong Lyong KIM

IPC: C08L25/16 ,  B29C49/00 ,  C08L33/20

CPC classification number: C08L25/16 ,  B29C49/0005 ,  B29K2025/08 ,  C08L33/20 ,  C08L51/04 ,  C08L55/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L35/00

Abstract: The present invention relates to a thermoplastic resin composition with excellent chemical resistance and, more specifically, to a resin composition for blow molding and a molded product obtained by molding the same, the composition maintaining the balance of flowability and impact resistance and improving chemical resistance by controlling the glass transition temperature (Tg) and the weight average molecular weight (Mw) of an α-methylstyrene (AMS)-based heat-resistant resin in a copolymer of vinyl cyanide compound-rubbery polymer-aromatic vinyl compound, having reinforced heat resistance, particularly, in an acrylonitrile-butadiene-styrene (ABS) copolymer resin. According to the present invention, an ABS resin composition for blow molding, having excellent chemical resistance while maintaining the balance of flowability, impact resistance and heat resistance to be of at least the same level, and a molded product obtained by applying the same can be obtained.

公开(公告)号：US20200369864A1

公开(公告)日：2020-11-26

申请号：US16764310

申请日：2018-12-11

Applicant: LG CHEM, LTD.

Inventor： Seung Cheol RYOO ,  Dae San JUNG ,  Seong Lyong KIM ,  Jin Oh NAM

IPC: C08L25/12 ,  B62D35/00 ,  B62D29/04

Abstract: The present invention relates to a heat-resistant resin composition including a first copolymer including a conjugated diene-based polymer, units derived from an aromatic vinyl-based monomer, and units derived from a vinyl cyan-based monomer; a second copolymer including units derived from an aromatic vinyl-based monomer and units derived from a vinyl cyan-based monomer and having a glass transition temperature of 115° C. or more; and a third copolymer including units derived from an aromatic vinyl-based monomer and units derived from a vinyl cyan-based monomer, wherein the second copolymer has a linear shape, and the third copolymer has a branched shape and a branched degree of 2 to 8.

公开(公告)号：US20220177688A1

公开(公告)日：2022-06-09

申请号：US17436554

申请日：2020-10-06

Applicant: LG CHEM, LTD.

Inventor： Jun Ho CHOE ,  Seung Cheol RYOO ,  Seong Lyong KIM ,  Dae San JUNG

IPC: C08L25/12

Abstract: The present invention provides a thermoplastic resin composition which comprises: a first polymer formed by graft polymerization of a diene-based rubber polymer with an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; a second polymer comprising an aromatic vinyl-based monomer unit and a vinyl cyanide-based monomer unit; a third polymer formed by graft polymerization of an olefin-based polymer with an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; and a fourth polymer comprising an olefin-based monomer unit and having a density of 0.92 to 0.94 g/cm3 as measured in accordance with ASTM D1505, a softening point of 100 to 120° C. as measured in accordance with ASTM D1525, and a melt flow index of 5 to 7 g/10 min as measured in accordance with ASTM D1238 at 190° C. and 2.16 kg, wherein the thermoplastic resin composition comprises the fourth polymer at 1 to 10 wt %.

公开(公告)号：US20200239682A1

公开(公告)日：2020-07-30

申请号：US16642002

申请日：2018-11-23

Applicant: LG CHEM, LTD.

Inventor： Seung Cheol RYOO ,  Sung Hwan YOON ,  Hyun Ki KIM ,  Seong Lyong KIM ,  Jin Oh NAM

IPC: C08L55/02 ,  C08L23/08 ,  C08L51/00 ,  C08L25/12 ,  C08L33/24

Abstract: The present invention relates to a resin composition including (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer including a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer.

公开(公告)号：US20170260386A1

公开(公告)日：2017-09-14

申请号：US15532067

申请日：2016-11-11

Applicant: LG CHEM, LTD.

Inventor： Seung Cheol RYOO ,  Soo Kyeong LEE ,  Seong Lyong KIM

IPC: C08L33/20 ,  F24F6/16 ,  B01D47/16

CPC classification number: C08L33/20 ,  B01D47/16 ,  B01F3/04 ,  C08L25/12 ,  C08L55/02 ,  C08L77/12 ,  C08L2201/04 ,  C08L2205/03 ,  F24F6/06 ,  F24F6/16 ,  C08K5/17

Abstract: Disclosed are an ABS-based resin composition and a molded article manufactured therefrom. More particularly, the ABS-based resin composition according to the present disclosure includes (a) 22.5 to 50% by weight of a vinyl cyan compound-conjugated diene-based rubber-like polymer-aromatic vinyl compound copolymer resin; (b) 47.5 to 75% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer resin; (c) 1 to 6% by weight of a polyether ester amide resin; and (d) 1.5 to 3% by weight of an ethoxylated alkylamine-based antistatic agent, thereby providing a high humidification amount and less deformation. Accordingly, the present disclosure relates to an ABS-based resin composition suitable for application to disks for air washers, humidifiers, and the like, and a molded article manufactured therefrom.