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公开(公告)号：US10294360B2
公开(公告)日：2019-05-21
申请号：US15843921
申请日：2017-12-15
发明人： Hyun Gyung Kim , Hee Joon Lee , Eun Seob Shin , Hyeok Lee , Ki Hyun Sung , Chun Ho Park
摘要： A polypropylene resin composition includes a base resin, a thermoplastic elastomer, and an inorganic filler. The base resin is a polypropylene-based mixed resin including a first resin, a second resin, a third resin, and a fourth resin. The first resin is a homopolypropylene resin. The second resin, the third resin, and the fourth resin are each a polypropylene-based block copolymer resin. A melt index of the second resin measured at a temperature of 230° C. and under a load of 2.16 kg is higher than a melt index of each of the third resin and the fourth resin measured under the same condition. A flexural modulus of the third resin measured in accordance with ASTM D790 is lower than a flexural modulus of the fourth resin measured under the same condition.
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公开(公告)号：US10472508B2
公开(公告)日：2019-11-12
申请号：US15845443
申请日：2017-12-18
发明人： Han Ki Lee , Hak Soo Kim , Chang Hyeon Noh , Dong Han Kim , Kyung Soon Jang , Beom Ho Kim , Hyeok Lee , Wan Jo
摘要： A polypropylene composite resin composition with fiber texture includes a polypropylene resin including homo-polypropylene, a first ethylene-propylene copolymer, a second ethylene-propylene copolymer or a combination thereof, and an ethylene/α-olefin copolymer, and a molded article manufactured using the same.
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公开(公告)号：US10752761B2
公开(公告)日：2020-08-25
申请号：US16101462
申请日：2018-08-12
发明人： Kyeong Hoon Jang , Dae Sik Kim , Jaehyun An , Seul Yi , In Soo Han , Eun Seob Shin , Beom Ho Kim , Hyeok Lee
IPC分类号： C08L23/12 , C08F210/02 , C08F210/06 , C08F210/12 , C08F210/16 , C08K3/013 , C08J5/00 , C08J5/04 , C08K5/00 , C08L23/10
摘要： A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.
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公开(公告)号：US20190194435A1
公开(公告)日：2019-06-27
申请号：US16101462
申请日：2018-08-12
发明人： Kyeong Hoon Jang , Dae Sik Kim , Jaehyun An , Seul Yi , In Soo Han , Eun Seob Shin , Beom Ho Kim , Hyeok Lee
IPC分类号： C08L23/12 , C08F210/02 , C08F210/06 , C08F210/12 , C08F210/16 , C08K3/013 , C08K5/00 , C08J5/00 , C08J5/04
摘要： A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.
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公开(公告)号：US20220384122A1
公开(公告)日：2022-12-01
申请号：US17748722
申请日：2022-05-19
发明人： Seong Hyeon Shin , Jung Sang You , Ju Hyun Cha , Sang Hyun Lee , Seon Chae Na , Sang Ho Kim , Byung Yong Choi , Hyeok Lee , Seong Kwon Go , Chong Hwan Jeon
摘要： A cover type touch switch structure includes: a seat housing embedded in a seat of a vehicle so as to be fastened to a seat frame; a switch housing disposed in the seat housing and including an outer surface which is coupled to the seat housing via a hook; a light-emitting unit which is disposed in the switch housing and stacked on the seat frame; and a knob unit which has a portion disposed in the switch housing and is stacked on the light-emitting unit.
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