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1. 发明申请

US20210292538A1 METHOD FOR PREPARING GRAFT COPOLYMER POWDER 有权
公开(公告)号：US20210292538A1
公开(公告)日：2021-09-23
申请号：US16619435
申请日：2018-11-09
申请人： LG CHEM, LTD.
发明人： Jong Ju LEE , Jeong Su CHOI , Won Seok LEE , Roo Da LEE , Ho Hoon KIM , Keun Hoon YOO , Seok Goo JANG , Sang Hoo PARK , Hye Jeong OK , Hyung Seop SHIM
IPC分类号： C08L51/04 , C08J3/12
摘要： The present invention relates to a method for preparing a graft copolymer powder, which includes: performing emulsion polymerization of a conjugated diene polymer, an aromatic vinyl monomer and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; coagulating the graft copolymer latex; aging the coagulated graft copolymer; preparing a wet powder of the graft copolymer by dehydrating the aged graft copolymer; and adding poly(oxyalkylene)diglycolic acid to the wet powder of the graft copolymer.

2. 发明申请

US20190382575A1 METHOD FOR PREPARING GRAFT COPOLYMER COMPLEX, GRAFT COPOLYMER COMPLEX, AND THERMOPLASTIC RESIN COMPOSITION COMPRISING GRAFT COPOLYMER COMPLEX 审中-公开
公开(公告)号：US20190382575A1
公开(公告)日：2019-12-19
申请号：US16463830
申请日：2018-10-02
申请人： LG CHEM, LTD.
发明人： Sang Hoo PARK , Seok Goo JANG , Hye Jeong OK , Ho Hoon KIM , Hyung Seop SHIM , Jeong Su CHOI , Keun Hoon YOO , Won Seok LEE , Roo Da LEE , Jong Ju LEE
IPC分类号： C08L33/06 , C08F279/06 , C08J3/07 , C08K5/3472
摘要： The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.

3. 发明申请

US20170198132A1 THERMOPLASTIC RESIN COMPOSITION HAVING SUPERIOR CHEMICAL RESISTANCE AND TRANSPARENCY, METHOD OF PREPARING THE SAME AND MOLDED ARTICLE INCLUDING THE SAME 有权
公开(公告)号：US20170198132A1
公开(公告)日：2017-07-13
申请号：US14786951
申请日：2015-06-08
申请人： LG CHEM, LTD.
发明人： Jeong Su CHOI , Ho Hoon KIM , Sang Hoo PARK , Keun Hoon YOO , Roo Da LEE , Won Seok LEE , Seok Goo JANG
IPC分类号： C08L51/04 , C08L33/20 , C08L51/00
CPC分类号： C08L51/04 , C08F2/02 , C08F2/44 , C08F279/02 , C08G69/40 , C08L33/04 , C08L33/12 , C08L33/20 , C08L51/003 , C08L55/02 , C08L77/00 , C08L2201/08 , C08L2205/03 , C08L2205/06 , C08L77/12 , C08L25/12 , C08L25/14
摘要： Disclosed are a transparent resin composition, which may be used in medical products and food storage containers, having superior chemical resistance and transparency, a method of preparing the same and a molded article manufactured therefrom. More particularly, disclosed are a thermoplastic transparent resin composition having superior chemical resistance and transparency, which comprises (A) a graft copolymer in which a) a conjugated diene rubber latex is graft copolymerized with b) a methacrylate alkyl ester compound or an acrylate alkyl ester compound, c) an aromatic vinyl compound, and d) a vinyl cyano compound; (B) a copolymerized resin in which i) a methacrylate alkyl ester compound or an acrylate alkyl ester compound, ii) an aromatic vinyl compound and iii) a vinyl cyano compound are copolymerized; and (C) a polyether-amide block copolymer, a method of preparing the same, and a molded article manufactured therefrom.

4. 发明申请

US20170355845A1 TRANSPARENT THERMOPLASTIC RESIN AND METHOD OF PREPARING THE SAME 审中-公开
公开(公告)号：US20170355845A1
公开(公告)日：2017-12-14
申请号：US15541001
申请日：2016-11-09
申请人： LG CHEM, LTD.
发明人： Roo Da LEE , Jeong Su CHOI , Keun Hoon YOO , Won Seok LEE , Seok Goo JANG , Sang Hoo PARK , Ho Hoon KIM , Hyung Seop SHIM
IPC分类号： C08L51/00 , C08L53/02 , C08F257/02
CPC分类号： C08L51/003 , C08F212/08 , C08F212/10 , C08F257/02 , C08F293/00 , C08L25/12 , C08L53/00 , C08L53/02 , C08L2201/10 , C08L2205/02 , C08F220/44 , C08F220/14 , C08L25/06
摘要： The present invention relates to a transparent thermoplastic resin. More particularly, the present invention relates to a transparent thermoplastic resin, including a random copolymerization block prepared by polymerizing 50 to 80% by weight of an aromatic vinyl compound, 10 to 30% by weight of a vinyl cyanide compound, and 0 to 15% by weight of (meth)acrylic acid alkyl ester; and an aromatic vinyl compound block prepared by polymerizing 1 to 10% by weight of an aromatic vinyl compound, a transparent thermoplastic resin composition including the transparent thermoplastic resin, and methods of preparing the aromatic vinyl compound and transparent thermoplastic resin.

5. 发明申请

US20170183455A1 THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED ARTICLE PREPARED THEREFROM 有权
公开(公告)号：US20170183455A1
公开(公告)日：2017-06-29
申请号：US14911455
申请日：2015-07-23
申请人： LG CHEM, LTD.
发明人： Keun Hoon YOO , Jeong Su CHOI , Won Seok LEE , Seok Goo JANG , Roo Da LEE , Sang Hoo PARK , Ho Hoon KIM
IPC分类号： C08G81/02 , C08J5/00
CPC分类号： C08G81/024 , C08F220/18 , C08F279/02 , C08G81/027 , C08J5/00 , C08L33/12 , C08L51/04
摘要： Provided are a thermoplastic resin composition having high environmental stress crack resistance (ESCR) as well as excellent impact resistance and transparency and a thermoplastic resin molded article prepared therefrom.

6. 发明申请

US20160326362A1 METHOD OF PREPARING THERMOPLASTIC RESIN 有权
标题翻译：制备热塑性树脂的方法
公开(公告)号：US20160326362A1
公开(公告)日：2016-11-10
申请号：US15038402
申请日：2015-10-08
申请人： LG CHEM, LTD.
发明人： Hyun Taek OH , Jeong Su CHOI , Keun Hoon YOO , Bong Keun AHN , Won Seok LEE , Seok Goo JANG , Roo Da LEE , Sang Hoo PARK , Ho Hoon KIM , Hyung Seop SHIM
IPC分类号： C08L51/04 , C08J3/16 , C08L25/12
CPC分类号： C08L25/12 , C08F2/38 , C08F6/22 , C08F279/04 , C08L2205/03 , C08L2207/04 , C08L55/02 , C08L39/00 , C08L5/08
摘要： The present invention relates to a method of preparing a thermoplastic resin. In accordance with the present invention, provided is a thermoplastic resin having superior antibiosis and melt-kneadability prepared through preparation of a graft copolymer latex and coagulation of the graft copolymer latex with a specific antimicrobial agent, and a method of preparing the thermoplastic resin to prepare a thermoplastic resin composition including the thermoplastic resin.
摘要翻译：本发明涉及一种制备热塑性树脂的方法。根据本发明，提供了通过制备接枝共聚物胶乳而制备的具有优异抗菌性和熔融捏合性的热塑性树脂，并且使用特定的抗微生物剂凝结接枝共聚物胶乳，以及制备热塑性树脂以制备包含该热塑性树脂的热塑性树脂组合物。

7. 发明申请

US20180230301A1 THERMOPLASTIC RESIN COMPOSITION AND METHOD OF PREPARING THE SAME 审中-公开
公开(公告)号：US20180230301A1
公开(公告)日：2018-08-16
申请号：US15510646
申请日：2016-07-29
申请人： LG CHEM, LTD.
发明人： Jeong Su CHOI , Keun Hoon YOO , Won Seok LEE , Seok Goo JANG , Roo Da LEE , Sang Hoo PARK , Ho Hoon KIM , Hyung Seop SHIM
IPC分类号： C08L33/20
CPC分类号： C08L33/20 , C08J5/00 , C08L25/12 , C08L51/04 , C08L2201/08 , C08L2201/10 , C08L2205/025 , C08L2205/03 , C08L2205/06
摘要： The present disclosure relates to a thermoplastic resin composition and a method of preparing the same. In accordance with the present disclosure, a thermoplastic resin composition having superior property balance, such as processability, chemical resistance, heat stability, and impact resistance, and excellent transparency, and a method of preparing the same are provided.

8. 发明申请

US20160297915A1 METHOD FOR PREPARING WEATHER RESISTANT REINFORCED ACRYLATE BASED RESIN 有权
标题翻译：制备耐候性强化丙烯酸酯树脂的方法
公开(公告)号：US20160297915A1
公开(公告)日：2016-10-13
申请号：US14773245
申请日：2014-08-29
申请人： LG CHEM, LTD.
发明人： Roo Da LEE , Sang Hoo PARK , Won Seok LEE , Seok Goo JANG , Jeong Su CHOI , Jeun Hoon YOO
IPC分类号： C08F285/00
CPC分类号： C08L51/003 , C08F220/14 , C08F265/06 , C08L33/12 , C08L51/04 , C08L33/06 , C08F212/08 , C08F220/44
摘要： The present invention relates to a method for preparing a weather resistant reinforced acrylate based resin. More specifically, an activator-free conversion rate improver is included in an acrylate-styrene based graft copolymer, thereby improving the haze value, light transmittance, and yellow index when mixed with an acrylate-styrene based non-graft copolymer, and securing the weather resistance. In particular, according to the present invention, a weather resistant reinforced thermoplastic resin having excellent colors which are close to natural colors can be provided even without using sodium formaldehyde sulfoxylate (SFS) and iron ions.
摘要翻译：本发明涉及一种制备耐候性强化丙烯酸酯基树脂的方法。更具体地，在丙烯酸酯 - 苯乙烯基接枝共聚物中包含无活化剂的转化率改进剂，从而在与丙烯酸酯 - 苯乙烯基非接枝共聚物混合时提高雾度值，透光率和黄色指数，并确保天气抵抗性。特别地，根据本发明，即使不使用甲醛次硫酸钠（SFS）和铁离子，也可以提供具有接近自然色的优异颜色的耐候性增强热塑性树脂。

9. 发明申请

US20140296397A1 TRANSPARENT THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE PREPARED THEREFROM 有权
标题翻译：透明热塑性树脂组合物及其制备的制品
公开(公告)号：US20140296397A1
公开(公告)日：2014-10-02
申请号：US14183204
申请日：2014-02-18
申请人： LG CHEM, LTD
发明人： Jeong Su CHOI , Won Seok LEE , Seok Goo JANG , Roo Da LEE , Sang Hoo PARK , Keun Hoon YOO
IPC分类号： C08L33/12
CPC分类号： C08L33/16 , C08F220/14 , C08K5/005 , C08K5/527 , C08L9/00 , C08L55/02 , C08F212/08 , C08F220/44
摘要： Disclosed are a transparent thermoplastic resin composition and a molded article prepared therefrom. More particularly, disclosed are a transparent thermoplastic resin composition comprising A) 100 parts by weight of a rubber-reinforced thermoplastic transparent resin, and B) 0.01 to 2 parts by weight of a dihydrocarbyl pentaerythritol diphosphite wherein the A) rubber-reinforced thermoplastic transparent resin is prepared by polymerizing 5 to 60% by weight of a conjugated diene rubber, 20 to 70% by weight of a methacrylic acid alkyl ester monomer or an acrylic acid alkyl ester monomer, 8 to 50% by weight of an aromatic vinyl monomer and 0 to 20% by weight of a vinyl cyanide monomer, and a molded article prepared therefrom.Advantageously, provided are a transparent thermoplastic resin composition which exhibits superior transparency, impact strength and processability and in particular, does not discolor even during long-term storage and does not discolor at 40 to 80° C., which is the condition of container transportation in the summer, and a molded article prepared therefrom.
摘要翻译：公开了透明热塑性树脂组合物和由其制备的模塑制品。更具体地，公开了一种透明热塑性树脂组合物，其包含A）100重量份的橡胶增强的热塑性透明树脂，和B）0.01至2重量份的二烃基季戊四醇二亚磷酸酯，其中A）橡胶增强的热塑性透明树脂通过聚合5至60重量％的共轭二烯橡胶，20至70重量％的甲基丙烯酸烷基酯单体或丙烯酸烷基酯单体，8至50重量％的芳族乙烯基单体和0 至20重量％的乙烯基氰单体和由其制备的模塑制品。有利地，提供透明的热塑性树脂组合物，其表现出优异的透明性，冲击强度和加工性，并且特别是即使在长期储存期间也不变色，并且在40至80℃下不变色，这是集装箱运输的条件在夏季，由其制备的模制品。

10. 发明申请

US20190330463A1 GRAFT COPOLYMER, THERMOPLASTIC RESIN COMPOSITION INCLUDING GRAFT COPOLYMER, AND METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION 审中-公开
公开(公告)号：US20190330463A1
公开(公告)日：2019-10-31
申请号：US16462190
申请日：2018-09-04
申请人： LG CHEM, LTD.
发明人： Hyung Seop SHIM , Won Seok LEE , Seok Goo JANG , Sang Hoo PARK , Hye Jeong OK , Jeong Su CHOI , Keun Hoon YOO , Roo Da LEE , Ho Hoon KIM , Jong Ju LEE
IPC分类号： C08L51/04 , C08F279/06 , C08L33/06 , C08J3/22 , C08K9/06 , C08K3/36
摘要： The present invention relates to a graft copolymer, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition. More specifically, the present invention provides a graft copolymer having a shell in which silica modified with a specific compound is dispersed within a specific content range, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition.In the graft copolymer according to the present invention, since silica modified with a specific compound is dispersed in the periphery of rubber particles, that is, in the shell of the graft copolymer, the dispersibility of the graft copolymer may be improved. Therefore, the graft copolymer may have transparency equal to or better than a conventional graft copolymer. In addition, compared to a resin composition having an equivalent rubber content, the thermoplastic resin composition of the present invention may have excellent physical properties, such as impact strength and tensile strength.

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