公开(公告)号：US09902853B2

公开(公告)日：2018-02-27

申请号：US15316727

申请日：2015-12-03

Applicant: LG CHEM, LTD.

Inventor： Young Young Hwang ,  Jung Jun Park ,  Moo Ho Hong

IPC: C08G63/02 ,  C08L69/00 ,  C08G64/18 ,  C08G64/38 ,  C08G77/448 ,  C08J5/00 ,  C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  C08G64/08 ,  C08K5/3475 ,  C08L83/04 ,  C08G64/24 ,  C08L83/10 ,  C08K5/00 ,  C08G64/22 ,  C08G77/14 ,  C08L83/06

CPC classification number: C08L69/00 ,  C08G64/06 ,  C08G64/085 ,  C08G64/1666 ,  C08G64/1691 ,  C08G64/18 ,  C08G64/186 ,  C08G64/22 ,  C08G64/24 ,  C08G64/307 ,  C08G64/38 ,  C08G77/14 ,  C08G77/20 ,  C08G77/448 ,  C08J5/00 ,  C08J5/08 ,  C08K5/005 ,  C08K5/3475 ,  C08K5/42 ,  C08K5/521 ,  C08L51/04 ,  C08L69/005 ,  C08L83/04 ,  C08L83/06 ,  C08L83/10 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2205/05 ,  C08L2205/06 ,  C08L2207/53 ,  C09K21/14 ,  C08L83/00

Abstract: The present invention relates to a copolycarbonate and a composition comprising the same, and more specifically to a technique for improving flame retardance and chemical resistance while maintaining inherent impact strength and melt index of the copolycarbonate, by comprising a branched repeating unit in the copolycarbonate structure.

公开(公告)号：US20180044517A1

公开(公告)日：2018-02-15

申请号：US15729158

申请日：2017-10-10

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi Ozawa ,  Toru Takahashi

IPC: C08L33/12 ,  C08L53/00

CPC classification number: C08L33/12 ,  C08F220/14 ,  C08L53/00 ,  C08L2201/10 ,  C08L2203/20 ,  C08L2205/025 ,  G02B1/04 ,  G02B6/0066 ,  Y10T428/1036 ,  Y10T428/1059 ,  C08L33/10 ,  C08F2220/1825 ,  C08F2220/185

Abstract: A methacrylic resin composition comprising 10 to 99 parts by mass of a methacrylic resin (A) comprising 80% by mass or more of a methyl methacrylate unit, and 90 to 1 part by mass of a block copolymer (B) comprising 10 to 60% by mass of a methacrylic acid ester polymer block (b1) and 90 to 40% by mass of an acrylic acid ester polymer block (b2), wherein the total of the methacrylic resin (A) and the block copolymer (B) is 100 parts by mass, wherein a weight-average molecular weight Mw(A) of the methacrylic resin (A), a maximum weight-average molecular weight Mw(b1) of the methacrylic acid ester polymer block (b1) and a maximum weight-average molecular weight Mw(b2) of the acrylic acid ester polymer block (b2) satisfy (1): 0.5≦Mw(A)/Mw(b1)≦2.5 and (2): 40000≦Mw(b2)≦120000.

公开(公告)号：US09868818B2

公开(公告)日：2018-01-16

申请号：US15024664

申请日：2015-11-16

Applicant: LG CHEM, LTD.

Inventor： Jung Jun Park ,  Hyong Min Bahn ,  Young Young Hwang ,  Moo Ho Hong ,  Ki Jae Lee ,  Young Wook Son ,  Byoung Kyu Chun ,  Un Ko

IPC: C08L69/00 ,  C08G64/08 ,  C08G64/18 ,  C08G64/38 ,  C08G77/448 ,  C08J5/00 ,  C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  C08K5/3475 ,  C08L83/04 ,  C08G64/24 ,  C08L83/10

CPC classification number: C08L69/00 ,  C08G64/06 ,  C08G64/085 ,  C08G64/1666 ,  C08G64/1691 ,  C08G64/18 ,  C08G64/186 ,  C08G64/22 ,  C08G64/24 ,  C08G64/307 ,  C08G64/38 ,  C08G77/14 ,  C08G77/20 ,  C08G77/448 ,  C08J5/00 ,  C08J5/08 ,  C08K5/005 ,  C08K5/3475 ,  C08K5/42 ,  C08K5/521 ,  C08L51/04 ,  C08L69/005 ,  C08L83/04 ,  C08L83/06 ,  C08L83/10 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2205/05 ,  C08L2205/06 ,  C08L2207/53 ,  C09K21/14 ,  C08L83/00

Abstract: Disclosed is a polycarbonate composition including a polycarbonate; and a copolycarbonate, where the copolycarbonate includes: an aromatic polycarbonate-based first repeating unit; and aromatic polycatbonate-based second repeating units having siloxane bonds, which include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3, where the ratio of an impact strength at room temperature and an impact strength at low-temperature (impact strength at room temperature/impact strength at low-temperature) as measured at 23° C. and −30° C., respectively, in accordance with ASTM D256 (⅛ inch, Notched Izod) is 1.01 to 1.30, and the impact strength at room temperature is 840 to 1000 J/m:

公开(公告)号：US20180002521A1

公开(公告)日：2018-01-04

申请号：US15545247

申请日：2016-12-01

Applicant: LG CHEM, LTD.

Inventor： Seok Goo JANG ,  Jeong Su CHOI ,  Keun Hoon YOO ,  Won Seok LEE ,  Roo Da LEE ,  Sang Hoo PARK ,  Ho Hoon KIM ,  Hyung Seop SHIM

IPC: C08L33/12 ,  A01N59/16

CPC classification number: C08L33/12 ,  A01N59/16 ,  C08J5/00 ,  C08L33/08 ,  C08L33/20 ,  C08L51/06 ,  C08L2201/10 ,  C08L51/04 ,  C08K3/015 ,  C08K9/12

Abstract: The present invention relates to a thermoplastic resin composition and a molded article including the same. More particularly, the present invention relates to a thermoplastic resin composition including 100 parts by weight of a base resin that includes an acrylic graft copolymer and an acrylic non-graft copolymer; and greater than 0.3 parts by weight and less than 1.2 parts by weight of a zinc-based antimicrobial agent, and a molded article including the same, wherein the zinc-based antimicrobial agent has an average particle diameter of greater than 3 μm to 30 μm. In accordance with the present invention, a thermoplastic resin composition providing superior transparency and excellent initial antimicrobial activity and persistent antimicrobial activity while providing the same mechanical properties as existing resin compositions, and a molded article including the same are provided.

公开(公告)号：US20170321014A1

公开(公告)日：2017-11-09

申请号：US15523039

申请日：2015-12-03

Applicant: LG CHEM, LTD.

Inventor： Su Kyoung LEE ,  Min Ji KIM ,  Jong Hyun LEE ,  Ryul LEE ,  Sung Tae AHN

IPC: C08G77/448 ,  C08L69/00 ,  C08L51/04 ,  C08L83/10 ,  C08G64/38

CPC classification number: C08L69/00 ,  C08G64/06 ,  C08G64/085 ,  C08G64/1666 ,  C08G64/1691 ,  C08G64/18 ,  C08G64/186 ,  C08G64/22 ,  C08G64/24 ,  C08G64/307 ,  C08G64/38 ,  C08G77/14 ,  C08G77/20 ,  C08G77/448 ,  C08J5/00 ,  C08J5/08 ,  C08K5/005 ,  C08K5/3475 ,  C08K5/42 ,  C08K5/521 ,  C08L51/04 ,  C08L69/005 ,  C08L83/04 ,  C08L83/06 ,  C08L83/10 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2205/05 ,  C08L2205/06 ,  C08L2207/53 ,  C09K21/14 ,  C08L83/00

Abstract: The present invention relates to a polycarbonate-based resin composition and a molded article thereof, and more specifically, to a polycarbonate-based resin composition exhibiting improved impact strength (impact resistance) and chemical resistance while including a glass fiber in a relatively small content, and a molded article formed therefrom.

公开(公告)号：US09809677B2

公开(公告)日：2017-11-07

申请号：US15027907

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Jung Jun Park ,  Young Young Hwang ,  Moo Ho Hong ,  Hyong Min Bahn

IPC: C08L69/00 ,  C08G64/08 ,  C08G64/18 ,  C08G64/38 ,  C08G77/448 ,  C08J5/00 ,  C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  C08K5/3475 ,  C08L83/04 ,  C08G64/24 ,  C08L83/10

CPC classification number: C08L69/00 ,  C08G64/06 ,  C08G64/085 ,  C08G64/1666 ,  C08G64/1691 ,  C08G64/18 ,  C08G64/186 ,  C08G64/22 ,  C08G64/24 ,  C08G64/307 ,  C08G64/38 ,  C08G77/14 ,  C08G77/20 ,  C08G77/448 ,  C08J5/00 ,  C08J5/08 ,  C08K5/005 ,  C08K5/3475 ,  C08K5/42 ,  C08K5/521 ,  C08L51/04 ,  C08L69/005 ,  C08L83/04 ,  C08L83/06 ,  C08L83/10 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2205/05 ,  C08L2205/06 ,  C08L2207/53 ,  C09K21/14 ,  C08L83/00

Abstract: Disclosed is a polycarbonate composition including (a) a branched polycarbonate comprising a repeating unit represented by Chemical Formula 1 and a trivalent or tetravalent branched repeating unit connecting the plurality of repeating units represented by Chemical Formula 1 to each other; and (b) a copolycarbonate comprising an aromatic polycarbonate-based first repeating unit, and aromatic polycarbonate-based second repeating units having siloxane bonds which include a repeating unit represented by Chemical Formula 4 and a repeating unit represented by Chemical Formula 5: The polycarbonate composition improves flame retardancy and chemical resistance while maintaining high impact strength and melt index.

公开(公告)号：US09752045B2

公开(公告)日：2017-09-05

申请号：US15225221

申请日：2016-08-01

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Jun Hatakeyama ,  Takayuki Nagasawa ,  Koji Hasegawa

IPC: H01B1/12 ,  C09D133/14 ,  C09D5/24 ,  C08F20/38 ,  C08F12/30 ,  C08F22/24 ,  C08F20/28 ,  C08L33/14 ,  C09D125/18 ,  C09D135/02 ,  C08L35/02 ,  C08F12/20 ,  C08F12/22 ,  C08F212/14 ,  C08F12/24

CPC classification number: C09D133/14 ,  C08F12/20 ,  C08F12/22 ,  C08F12/24 ,  C08F12/30 ,  C08F20/28 ,  C08F20/38 ,  C08F22/24 ,  C08F212/14 ,  C08F2500/04 ,  C08F2500/26 ,  C08L33/14 ,  C08L35/02 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2203/20 ,  C09D5/24 ,  C09D7/65 ,  C09D125/18 ,  C09D135/02 ,  H01B1/12 ,  H01B1/125 ,  H01B1/127 ,  H01L51/0036 ,  H01L51/442 ,  Y02E10/549 ,  C08F2220/382

Abstract: The present invention provides a conductive polymer composite including: (A) a π-conjugated polymer, and (B) a dopant polymer which contains a repeating unit “a” shown by the following general formula (1) and having a weight-average molecular weight in the range of 1,000 to 500,000. There can be provided a conductive polymer composite which has excellent filterability and film-formability by spin coating, and can form a conductive film having high transparency and excellent flatness. wherein R1 represents a hydrogen atom or a methyl group; R2 represents any of a single bond, an ester group, and a linear, branched, or cyclic hydrocarbon group having 1 to 12 carbon atoms, the hydrocarbon group optionally containing an ether group, an ester group, or both; “Z” represents any of a single bond, a phenylene group, a naphthylene group, an ether group, and an ester group; and “a” is a number satisfying 0

公开(公告)号：US09751979B2

公开(公告)日：2017-09-05

申请号：US15029081

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Young Wook Son ,  Hyong Min Bahn ,  Young Young Hwang ,  Jung Jun Park ,  Moo Ho Hong ,  Ki Jae Lee ,  Byoung Kyu Chun ,  Un Ko

IPC: C08L69/00 ,  C08G64/18 ,  C08G64/08 ,  C08G64/38 ,  C08G77/448 ,  C08J5/00 ,  C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  C08K5/3475 ,  C08L83/04 ,  C08G64/24 ,  C08L83/10

CPC classification number: C08L69/00 ,  C08G64/06 ,  C08G64/085 ,  C08G64/1666 ,  C08G64/1691 ,  C08G64/18 ,  C08G64/186 ,  C08G64/22 ,  C08G64/24 ,  C08G64/307 ,  C08G64/38 ,  C08G77/14 ,  C08G77/20 ,  C08G77/448 ,  C08J5/00 ,  C08J5/08 ,  C08K5/005 ,  C08K5/3475 ,  C08K5/42 ,  C08K5/521 ,  C08L51/04 ,  C08L69/005 ,  C08L83/04 ,  C08L83/06 ,  C08L83/10 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2205/05 ,  C08L2205/06 ,  C08L2207/53 ,  C09K21/14 ,  C08L83/00

Abstract: Disclosed is a polycarbonate composition including a polycarbonate; and a copolycarbonate, where the copolycarbonate includes an aromatic polycarbonate-based first repeating unit; and aromatic polycarbonate-based second repeating units having siloxane bonds, which include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3, where the copolycarbonate has a melt index (MI) of 3 to 9 g/10min as measured in accordance with ASTM D1238 (300° C., 1.2 kg conditions), and a transparency of 87 to 91% as measured in accordance with ASTM D1003 (layer thickness of 3 mm): The copolycarbonate in the composition exhibits an excellent transparency and a high spiral flow while having a high impact strength at room temperature and a low melt index.

公开(公告)号：US09745470B2

公开(公告)日：2017-08-29

申请号：US14772583

申请日：2014-03-06

Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.

Inventor： Daisuke Maeda ,  Naoya Nishimura

IPC: C08L77/00 ,  C08L77/10 ,  C09D179/04 ,  C09D179/02 ,  C08G73/02 ,  C08G73/06 ,  C09D177/06 ,  C09D177/10

CPC classification number: C08L77/10 ,  C08G73/0273 ,  C08G73/028 ,  C08G73/0644 ,  C08L2201/02 ,  C08L2201/10 ,  C08L2203/16 ,  C09D177/06 ,  C09D177/10 ,  C09D179/02 ,  C09D179/04 ,  C08L61/20 ,  C08L77/06 ,  C08L79/04

Abstract: A film-forming composition that contains a tricarbonyl-benzene hyperbranched-polymer cross-linker and a triazine-containing hyperbranch, as shown for example in the formula, can form a thin film that excels in terms of hardness and heat tolerance and exhibits a reduced decrease in index of refraction despite the addition of the cross-linker.

公开(公告)号：US20170182693A1

公开(公告)日：2017-06-29

申请号：US15460262

申请日：2017-03-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： CHRISTOPHER A. HAAK ,  JOSEPH M. ZOBOROWSKI

IPC: B29C47/00 ,  B32B27/36 ,  B32B7/12 ,  B32B27/08 ,  C08K5/3437 ,  C08K5/18 ,  C08K5/3417 ,  C08K5/3492 ,  C08K5/375 ,  C08K5/3465 ,  B29C47/06 ,  B32B27/20

CPC classification number: B29C48/022 ,  B29C48/08 ,  B29C48/21 ,  B29K2067/003 ,  B29K2105/0032 ,  B29K2995/002 ,  B29K2995/0026 ,  B29K2995/0055 ,  B29L2031/3052 ,  B29L2031/3475 ,  B32B7/12 ,  B32B27/08 ,  B32B27/20 ,  B32B27/36 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/71 ,  B32B2307/712 ,  B32B2307/744 ,  B32B2457/20 ,  B32B2605/006 ,  C08J2367/03 ,  C08J2467/03 ,  C08K5/18 ,  C08K5/3417 ,  C08K5/3437 ,  C08K5/3465 ,  C08K5/3492 ,  C08K5/375 ,  C08L67/03 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/03 ,  Y10T428/24372 ,  Y10T428/2848 ,  Y10T428/31786

Abstract: The present disclosure relates to dyed polyester films whose color remains stable after prolonged exposure to UV radiation and to methods of making such dyed polyester films.