Method for preparing cellulose acetate fiber rods

Details Method for preparing cellulose acetate fiber rods Method for preparing cellulose acetate fiber rods

1975-06-02

1977-02-15

Michell, Robert W.

Tobacco

Tobacco users' appliance

Supports

106180, A24C 550

Patent

active

040077462

ABSTRACT:
A method for preparing a cellulose acetate fiber rod is provided, which is characterized by blooming a tow composed of cellulose acetate fibers, adding to or coating on the bloomed tow from 1 to 20 percent by weight (based on the weight of the cellulose acetate fibers) of a plasticizer comprising 1,4-butanediol diacetate, and gathering and curing the resulting cellulose acetate fibers at much higher speed than is possible in the conventional methods to form a cigarette filter rod which does not harm cigarette flavor and smoking taste.

REFERENCES:
patent: 2017070 (1935-10-01), Lazier et al.
patent: 3882878 (1975-05-01), Sawada et al.
Def. Pub., published 11/4/1975, T940,006; Plasticized Blends for Tobacco Smoke Filter Rods and Filter Rods Bonded by such Blends; Morie et al.

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