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公开(公告)号：US10604597B2
公开(公告)日：2020-03-31
申请号：US15765762
申请日：2017-02-13
申请人： LG Chem, Ltd.
发明人： Ji Ho Choi , In Yong Jung , Kyung Seop Noh , Won-Sang Lee , Sang Jin Jeon , Sang Eun An , Sang Hoon Lee
IPC分类号： C08F110/06 , C08F4/653 , C08F4/6592 , C08L23/12 , C08F10/06 , C08F4/648 , C08F4/659
摘要： The present invention relates to a polypropylene which exhibits high transparency and has a very low level of generation of volatile organic compounds, which has a total volatile organic compounds (TVOC) value of 60 μg/g or less, which is measured according to VDA 277 standardized by the German Automobile Industry Association by heating the polypropylene for 12 to 5 hours and converting all hydrocarbons detected per 1 g into an acetone content, and a haze value of 5% or less.
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公开(公告)号：US10976229B2
公开(公告)日：2021-04-13
申请号：US16090732
申请日：2017-08-31
申请人： LG Chem, Ltd.
发明人： Hyun Sup Lee , Ki Soo Lee , Sang Jin Jeon , Sang Eun An , Myung Han Lee , Hee Kwang Park , Sang Eun Kim , Sang Hoon Lee
摘要： The present invention relates to a method for predicting the break-up possibility of a synthetic resin filament in a melt blowing process from the rheological properties of the synthetic resin. According to the present invention, a method that is capable of predicting the break-up possibility of the synthetic resin filament in the melt blowing process for preparing a filament using the synthetic resin in advance, through the measurement of the rheological properties of the synthetic resin, is provided.
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公开(公告)号：US20190113428A1
公开(公告)日：2019-04-18
申请号：US16090732
申请日：2017-08-31
申请人： LG Chem, Ltd.
发明人： Hyun Sup Lee , Ki Soo Lee , Sang Jin Jeon , Sang Eun An , Myung Han Lee , Hee Kwang Park , Sang Eun Kim , Sang Hoon Lee
IPC分类号： G01N11/00
摘要： The present invention relates to a method for predicting the break-up possibility of a synthetic resin filament in a melt blowing process from the rheological properties of the synthetic resin. According to the present invention, a method that is capable of predicting the break-up possibility of the synthetic resin filament in the melt blowing process for preparing a filament using the synthetic resin in advance, through the measurement of the rheological properties of the synthetic resin, is provided.
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公开(公告)号：US10280238B2
公开(公告)日：2019-05-07
申请号：US15557328
申请日：2016-06-28
申请人： LG CHEM, LTD.
发明人： Byung Seok Kim , Hee Kwang Park , Kyung Seop Noh , Sang Eun An , In Sun Lee , Hye Kyung Lee , Sang Jin Jeon , Ra Yun Choi
IPC分类号： C07F17/00 , C08F4/6592 , C08F110/06 , C08F10/06 , C07F5/02 , C07F5/06 , C07F7/00 , C07F7/02 , C07F7/08 , C08F4/659
摘要： The present invention provides a transition metal compound, a catalyst composition comprising the same, and a method for producing an olefin polymer using the catalyst composition, the transition metal compound being capable of exhibiting high activity in olefin polymerization reaction, and also being capable of easily controlling the physical properties of an olefin polymer. When the transition metal compound is used, it is possible to provide an olefin polymer having an excellent energy-saving effect at the time of processing or molding.
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公开(公告)号：US20180237560A1
公开(公告)日：2018-08-23
申请号：US15753570
申请日：2016-11-30
申请人： LG Chem, Ltd.
发明人： Kyung Seop Noh , Ki Soo Lee , Sang Jin Jeon , Sang Eun An , Ji Ho Choi , Jae Youp Cheong , Hee Kwang Park , Sang Hoon Lee
CPC分类号： C08F10/06 , C08F4/65908 , C08F4/65912 , C08F4/65916 , C08F110/06 , C08F2420/02 , C08J5/04 , C08J5/041 , C08J5/042 , C08J5/046 , C08K7/02 , C08K7/06 , C08K7/14 , C08F4/65927 , C08F2/02 , C08F2500/03 , C08F2500/12 , C08F2500/15 , C08L23/00 , C08L23/12
摘要： The present invention provides a method for preparing an olefin polymer which can exhibit excellent isotacticity in a high yield and thus is suitable for use in reinforcing a long fiber, and a long fiber comprising an olefin polymer produced according to the above preparation method.
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公开(公告)号：US10889667B2
公开(公告)日：2021-01-12
申请号：US15749249
申请日：2017-02-13
申请人： LG CHEM, LTD.
发明人： Jin Hyun Park , Ji Ho Choi , Kyung Seop Noh , Sang Jin Jeon , Sang Eun An , Ra Yun Choi , In Sun Lee
IPC分类号： C08F10/06 , C08F110/06 , C08F4/659 , C08F4/6592 , C08F10/02
摘要： The present invention relates to a polypropylene having excellent stiffness and achieving energy reduction during foaming.
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公开(公告)号：US20180298122A1
公开(公告)日：2018-10-18
申请号：US15765762
申请日：2017-02-13
申请人： LG Chem, Ltd.
发明人： Ji Ho Choi , In Yong Jung , Kyung Seop Noh , Won-Sang Lee , Sang Jin Jeon , Sang Eun An , Sang Hoon Lee
IPC分类号： C08F10/06 , C08F4/6592 , C08F4/648
摘要： The present invention relates to a polypropylene which exhibits high transparency and has a very low level of generation of volatile organic compounds, which has a total volatile organic compounds (TVOC) value of 60 μg/g or less, which is measured according to VDA 277 standardized by the German Automobile Industry Association by heating the polypropylene for 12 to 5 hours and converting all hydrocarbons detected per 1 g into an acetone content, and a haze value of 5% or less.
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公开(公告)号：US09783557B2
公开(公告)日：2017-10-10
申请号：US14910929
申请日：2015-10-08
申请人： LG CHEM, LTD.
发明人： Hee Kwang Park , Byung Seok Kim , Hye Kyung Lee , Jae Youp Cheong , Kyung Seop Noh , Sang Eun An , In Sun Lee , Sang Jin Jeon
IPC分类号： C07F17/00 , C08F4/6592 , C08F10/00 , C07F7/08 , C08F110/06 , C08F210/06 , C08F4/659
CPC分类号： C07F7/0803 , C08F4/65912 , C08F4/65916 , C08F4/65927 , C08F110/06 , C08F210/06 , C08F210/16 , C08F2500/15 , C08F2500/12 , C08F2500/03 , C08F2500/16
摘要： The present invention relates to a metallocene compound having novel structure which can provide various selectivity and activity to polyolefin copolymers, a preparation method thereof, and a preparation method of polyolefin using the metallocene compound.
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