Product performance and technical parameters
Index Typical value
Single yarn fineness 1.5-3.0 denier
Breaking strength ≥1.2 cN/dtex
Moisture regain (20℃, 65%RH) 5-7%
Cross-section shape Multi-leaf serrated
Filtration performance
Tar retention rate: 25-45% (depending on the tow specifications and filter rod design)
Pressure drop: 3000-5000 Pa (affects suction resistance and suction experience)
Safety and environmental protection
Biodegradability: Degradation rate in soil in 6-12 months > 60%
Toxicity: Complies with FDA 21 CFR 177.1210 (food contact material standards)
Products Description
Pretreatment
Cellulose is activated by soaking in glacial acetic acid.
Acetylation reaction
In the presence of a catalyst (such as sulfuric acid), it reacts with acetic anhydride to produce cellulose triacetate (acetyl content 44-45%).
Hydrolysis (partial deacetylation)
Control the degree of hydrolysis to reduce the acetyl content to 52-55% to obtain acetone-soluble cellulose acetate
Preparation of spinning solution
Cellulose acetate is dissolved in acetone (concentration about 20-25%).
Spinning
The solution is extruded through the spinneret and the solvent is evaporated through the hot air channel (80-120℃) to form continuous filaments
Tow processing
Twisting: Enhance fiber cohesion
Curling: Increase filter rod bulk
advantage
Highly efficient capture of tar and particulate matter
The taste is pure and does not affect the original aroma of tobacco
Good processing performance and environmental protection characteristics
Application Areas
Cigarette filter (core application)
Market share: more than 85% of global acetate fiber consumption
Advantages:
Balanced hardness/breathability
Neutral taste, does not interfere with tobacco flavor
01
Textiles and clothing
High-end fabrics: imitation silk lining, satin fabric (glossy and soft)
Blended applications: blended with cotton/polyester to improve wrinkle resistance
02
Medical and sanitary materials
Medical dressings: taking advantage of their hypoallergenic properties
Dialysis membranes: high-purity tow for blood filtration
03
Industrial filtration
Air filter: resistance to organic solvents
Liquid filtration membrane: precise control of porosity
04
Hebei Changhong Technology Co., Ltd. is a foreign trade company specializing in the import and export of chemical products, headquartered in Shijiazhuang, Hebei, China. We focus on the global supply of chemicals.
The company adheres to the business philosophy of "quality first, customer first", establishes long-term strategic cooperation with high-quality manufacturers at home and abroad, has a professional international trade team, provides efficient logistics, customized packaging, technical consulting and other full-service, to help customers expand the global market.
Hebei Changhong Technology is committed to becoming a trusted chemical partner for global customers and looks forward to working with you for a win-win situation!
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