-
1.发明公开
公开(公告)号：EP4437867A1
公开(公告)日：2024-10-02
申请号：EP22916664.0
申请日：2022-12-26
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su , HA, Sunghoon
摘要： The present application relates to a lyocell material with a modified cross section, a cigarette filter including the lyocell material, and methods of manufacturing the lyocell material and the cigarette filter. The lyocell material and the cigarette filter including the same replace conventional cellulose acetate materials and filters, and provide excellent filter manufacturing processability and excellent cigarette properties (e.g., draw resistance) in addition to excellent biodegradability.
-
2.发明公开
公开(公告)号：EP4339358A1
公开(公告)日：2024-03-20
申请号：EP22876748.9
申请日：2022-09-21
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , HA, Sunghoon , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su
摘要： The present disclosure relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow, and may replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
-
公开(公告)号：EP4437866A1
公开(公告)日：2024-10-02
申请号：EP22916663.2
申请日：2022-12-26
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su , HA, Sunghoon
摘要： Provided are a lyocell material for a filter for a cigarette, a filter for a cigarette including the lyocell material, and methods of manufacturing these. The lyocell material and the filter for a cigarette including the same replace cellulose acetate materials and filters in the art, and not only have excellent biodegradability, but also provide excellent filter manufacturing processability and excellent cigarette physical properties (e.g. draw resistance).
-
公开(公告)号：EP4430964A1
公开(公告)日：2024-09-18
申请号：EP23743441.0
申请日：2023-01-17
发明人： MA, Kyengbae , AHN, Ki Jin , YANG, Jin Chul , CHEONG, Bong Su , HA, Sunghoon , SEO, Seung Dong , LEE, Jeong Hun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam
摘要： The present disclosure provides a cigarette filter including lyocell tow including a bundle of lyocell fibers, a moisturizer, and a binder, a smoking article including the cigarette filter, and a method of producing the cigarette filter.
-
5.发明公开
公开(公告)号：EP4445757A1
公开(公告)日：2024-10-16
申请号：EP23791989.9
申请日：2023-02-03
发明人： HA, Sung Hoon , MA, Kyeng Bae , YANG, Jin Chul , CHEONG, Bong Su , JU, So Yeong , SEO, Seung Dong , LEE, Jeong Hun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam
摘要： The present disclosure provides a smoking article filter including lyocell tow including a plurality of lyocell fibers, a phenolic functional material, and a binder and a method of producing the smoking article filter and provides a smoking article including the smoking article filter.
-
公开(公告)号：EP4417069A1
公开(公告)日：2024-08-21
申请号：EP23846787.2
申请日：2023-06-07
发明人： HA, Sung Hoon , YANG, Jin Chul , MA, Kyeng Bae , CHEONG, Bong Su , SEO, Seung Dong , LEE, Jeong Hun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam
摘要： The present disclosure provides a smoking article filter, including lyocell tow including lyocell fibers, a binder solution, and filter wrapping paper and having 90% or higher biodegradation within 6 months according to the American Society for Testing and Materials (ASTM) D6691 under marine conditions at 30 °C, and a smoking article including the smoking article filter.
-
公开(公告)号：EP4335308A1
公开(公告)日：2024-03-13
申请号：EP22876749.7
申请日：2022-09-21
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , HA, Sunghoon , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su
摘要： The present disclosure relates to a lyocell material for a cigarette filter and a method of manufacturing the same, in which, by setting the optimal total denier range of crimped lyocell tow, which may realize filter properties equivalent to cellulose acetate (CA) currently used as a cigarette filter, the optimal processability for manufacturing a cigarette filter may be secured, and due to the excellent biodegradability thereof, environmental pollution factors caused by conventional discarded cigarette butts may be reduced.
-
公开(公告)号：EP4406427A1
公开(公告)日：2024-07-31
申请号：EP23788446.5
申请日：2023-02-03
发明人： HA, Sung Hoon , MA, Kyeng Bae , YANG, Jin Chul , LEE, Jun Hui , CHEONG, Bong Su , SEO, Seung Dong , LEE, Jeong Hun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam
摘要： A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other is provided. The cigarette filter according to one embodiment of the present disclosure reduces each of tar and nicotine, which are delivered through cigarette smoke, 70 wt% to 95 wt%. The cigarette filter according to one embodiment of the present disclosure has a resistance to draw of 80 mmWG to 200 mmWG. The cigarette filter according to one embodiment of the present disclosure is filled with the lyocell tow at a packing density of 0.2 g/mL to 0.6 g/mL. The cigarette filter according to one embodiment of the present disclosure addresses basic material-related problems, such as low hardness, of the lyocell tow and, further, has excellent filtration functionality as a filter.
-
公开(公告)号：EP4403046A1
公开(公告)日：2024-07-24
申请号：EP22904477.1
申请日：2022-11-03
发明人： YANG, Jin Chul , KIM, Soo Ho , MA, Kyeng Bae , CHEONG, Bong Su , HA, Sung Hoon , JEONG, Jong Cheol , JIN, Sang Woo , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam
摘要： A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers, a binder configured to bond the lyocell fibers to each other, and a solvent dispersed in an inner space of the cigarette filter including the lyocell tow, wherein the solvent includes a polyhydric alcohol, is provided. According to one embodiment of the present disclosure, the polyhydric alcohol is a diol having a C1-C4 alkylene group. The cigarette filter according to one embodiment of the present disclosure overcomes the existing material-related problems of lyocell tow and has excellent hardness.
-
公开(公告)号：EP4378329A1
公开(公告)日：2024-06-05
申请号：EP22904478.9
申请日：2022-11-03
发明人： YANG, Jin Chul , MA, Kyeng Bae , AHN, Ki Jin , CHEONG, Bong Su , HA, Sung Hoon , JEONG, Jong Cheol , JIN, Sang Woo , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam
摘要： A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other and has a hardness of 85% or higher is provided. According to one embodiment of the present disclosure, the cigarette filter has a hardness of 80% or higher even 5 minutes after 20 parts by weight to 25 parts by weight of water is added thereto based on 100 parts by weight of the lyocell tow. According to one embodiment of the present disclosure, the cigarette filter has a degree of collapse due to moisture of 7% or lower. According to one embodiment of the present disclosure, the cigarette filter overcomes existing, material-related problems of lyocell tow and has a high hardness and a low degree of collapse due to moisture.
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.014 秒)
