Kt&g Corporation

Kolon Industries, Inc.

Hyeon Tae Kim

Jong Yeol Kim

Soo Ho Kim

Sung Jong Ki

Bong Su Cheong

Sang Mok Lee

Woo Chul Kim

Hyun Suk Cho

Jong Cheol Jeong

Sang Woo Jin

Sang Yoel Lee

Yong Kwan Cho

Jun Won Shin

This invention relates to a method of manufacturing a lyocell material for a cigarette filter, including (S1) spinning a lyocell spinning dope composed of 8 to 13 wt % of a cellulose pulp and 87 to 92 wt % of an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) coagulating the lyocell spinning dope spun in (S1), thus obtaining a lyocell multifilament; (S3) water-washing the lyocell multifilament obtained in (S2); (S4) oiling the lyocell multifilament water-washed in (S3); and (S5) applying steam and pressure to the lyocell multifilament obtained in (S4), thus obtaining a crimped tow having 30 to 40 crimps per inch.

Method of manufacturing a lyocell material for a cigarette filter

Growing community of inventors

Daejeon, South Korea

Hyeon Tae Kim