| abstract |
The invention provides a functional paper core wire for a filter stick and a preparation method thereof. The functionalized paper core wire is formed by twisting narrow functionalized paper materials with functionalized substances, and the functionalized paper core wire is a strip-shaped core wire with the diameter of 0.1-3.0 mm. The paper core wire has the advantages of good on-machine stability, high safety, good functionalization realization performance and high production efficiency of the preparation method. |