Precursor Equipment
Solvent Polymerization/Aqueous Precipitation
Polymerization Processes
Dope Preparation Process (Continuous/Batch/Integrated)
Air-Gap SpinningMet Spinning Processes
Parameter：
Specifications/Indicators
Product Specifications：
1K/3K/6K/12K/24K/48K/50K/Other Customized Specifications
Single Filament Diameter：
Customizable Filament Diameter of 6-12μm, CV Value < 8%
Tensile Strength：
1K/3K/6K/12K/24K/48K/50K/Other Customized Specifications
Oil content：
0.7%-1.7% (Adjustable per Specific Product Grade)
Polymerization Conversion Rate Reaches
Production Line Speed (m/min)
Improved Overall Line Throughput
Annual Production Capacity
Coagulation Bath
Polymerization
Water Washing
Finish Applicator
Dryer
Precursor Feeder
Steam Box
Stretching Box
Winder + Manipulator
BEYOND MANUFACTURING ULTIMATE PERFORMANCE REFINEMENT
EFFICIENT POLYMERIZATION, PRECISE CONTROL
01Short process flow, stable quality. high conversion rate and cost efficiency
Efficient reaction, uniform and stable molecular weight, narrowdistribution and minimal fluctuation
Advanced processes precisely control polymerization impuritles. laying asolid foundation for precursor quality
PRECISION SPINNING AND HIGH STRETCHING RATIO
02Optimized spinneret design and spinning process enable stable production of multi-varlety and multl-spec precursors
High stretching ratio maximizes molecular crystalline orientation and significantly reduces the skin-core structure
From microstructure to macro performance. it creates a leap in high strength and high modulus conversion rates
PERFECT WINDING AND SMOOTH UNWINDING
03Anti-static treatment ensures smooth unwinding with no fuzz and minimal filament breakage
Boost weaving and composite molding efficiency
Surge in yield and capacity. delivering more stable and efficient production
Full-chain customized development
Customized Process Route Comparison
Comparison Dimensions
One-Step Process
Two-Step Process
Polymerization Method
Direct Solution Polymerization of Acrylonitrile
Polyacrylonitrile powder prepared via aqueous precipitation polymerization
Process Characteristics
Polymerization -> Spinning
Polymerization -> Dope preparation -> Spinning
Technical Advantages
Short process flow, minimal side reactions, uniform molecular weight, narrow distribution, low variation. and a conversion rate exceeding 90%, fully compatiblewith air-gap spinning, ideal for small-tow fiber development
Continuous aqueous precipitation polymerization features excellent molecular weight control and consistent product performance. It features mature, low cost production with highthroughput, easy scalability, and is optimized for large-tow fiber production
Comparison Dimensions
Air-Gap Spinning
Wet Spinning
Core Process
The spinning dope passes through an air gap before entering the coagulation bath for dual diffusion. enabling rapid liquid-solid phase separation.
The spinneret is immersed in the coagulation bath. Dual diffusion initiates immediately after the spinning dope is extruded. enabling Immediate liquld-solid phase separation.
Design Spinning Speed
180–400 m/min
70–200 m/min
Technical Advantages
High spinning speed, suitable for high-molecular-weight, high-solid-content, and high-viscosity spinning dopes. Uniform fiber structure with ultra-high strengthand modulus
High process stability and a diversified product portfollo. Favorable surface structure for resin-matrix interfacial bonding. with distinct cost advantages.
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Fax：0575-8413 8800
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