Cigarette filter tip made of viscose rayon and its production method
A viscose fiber and cigarette filter rod technology, applied in the field of tobacco, can solve the problems of insufficient production capacity of acetate fiber, poor coke reduction effect, poor smoke taste, and high price, so as to maintain the quality of smoking and solve the problem. Raw materials are tense and the focus reduction effect is remarkable
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[0021] The manufacture method of this viscose fiber cigarette filter rod comprises the following steps:
[0022] 1. First, use wood pulp, cotton pulp or bamboo pulp as raw materials to prepare viscose fiber filaments with a monofilament linear density of 1.5 to 8.0 dtex;
[0023] 2. Then the viscose filaments are coated on the surface of the viscose filaments with a concentration of 20% cellulose acetate solution (its solvent is acetone) through a dipping tank or a spray box with a concentration of 20% by weight. 10% of the weight of the fiber filament, and then dry off 70-80% of the solvent at 60-80°C, and bundle it into a tow with a linear density of 3.0-4.0ktex;
[0024] 3. The surface-coated viscose fiber tow is crimped by a crimper, and dried at 100-120°C to form a viscose fiber tow with a crimp number of 10-30 pieces / 25mm;
[0025] 4. Open the viscose fiber tow, spray triacetin, wrap the filter rod paper in the cigarette filter rod forming machine, cut into standard len...
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