LYOCELL MATERIAL FOR TOBACCO FILTER AND METHOD FOR PREPARING SAME
First Claim
Patent Images
1. A method of manufacturing a lyocell material for a cigarette filter, comprising crimping lyocell multifilaments, thus obtaining a crimped tow.
1 Assignment
0 Petitions
Accused Products
Abstract
This invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same, wherein the lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to thus obtain a crimped tow.
9 Citations
14 Claims
- 1. A method of manufacturing a lyocell material for a cigarette filter, comprising crimping lyocell multifilaments, thus obtaining a crimped tow.
- 11. A lyocell material for a cigarette filter, manufactured by spinning a lyocell spinning dope comprising a cellulose pulp and an N-methylmorpholine-N-oxide (NMMO) aqueous solution to produce lyocell multifilaments which are then crimped.
Specification