Acetate fiber tow is made of natural wood pulp, which is made into cellulose acetate through acetylation reaction and then formed into fiber bundles through spinning process. It is characterized by good adsorption, air permeability and biodegradability, and is widely used in cigarette filters, textile fabrics and medical materials.
In the tobacco industry, acetate fiber tow is the core material for making cigarette filters, which can effectively intercept tar and harmful substances while maintaining good suction resistance and taste. Its fiber cross-section is Y-shaped or serrated, with a large specific surface area and high filtration efficiency. In addition, it can also be used in high-end textiles, medical dressings, etc., combining environmental protection and functionality.
Acetate fiber tow has the characteristics of non-toxicity, weak acid and alkali resistance, easy processing, etc., meets food-grade safety standards (such as FDA certification), and is one of the green alternatives to traditional plastic fibers.
Features
Combination of natural and synthetic: The raw material is derived from wood pulp, but it has the properties of synthetic fibers through chemical modification.
Good filtration properties: The porous structure can effectively absorb particles and is the mainstream material for cigarette filters.
Biodegradability: It is easier to degrade than ordinary plastics in the natural environment and is more environmentally friendly.
characteristic
Physical properties:
Denier range: 1.5-10 denier, can be adjusted according to demand.
Cross-sectional shape: Y-shaped or zigzag, increase specific surface area to improve filtration efficiency.
High whiteness, soft luster, and silk-like touch.
01
Chemical properties:
Resistant to weak acids and alkalis, but easily hydrolyzed under strong alkalis or high temperatures.
Insoluble in common solvents other than acetone.
02
Adsorption performance: can intercept harmful substances such as tar and nicotine in cigarettes
03
Non-toxic: Conforms to food grade and medical material standards
04
Application Areas
Tobacco industry (main use):
Cigarette filters: account for more than 80% of the global production of acetate fiber tow, which can reduce the inhalation of harmful substances
Textile industry:
Making high-end linings, satin fabrics, or blending with cotton and silk to increase drape.
Medical field:
Used as medical bandages, dialysis membrane materials, etc.
Production process
Raw material processing: wood pulp → crushing → activation.
01
Acetylation reaction: reacts with acetic anhydride to produce cellulose acetate.
02
Spinning: Dissolved in acetone and extruded through a spinneret.
03
Post-processing: stretching, curling, drying and cutting into bundles
04
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