Polyurethane Prepolymer Synthesis Reactor | CPU Elastomer
Professional prepolymer reactor for TDI, MDI and NDI prepolymer production with high vacuum degassing and precise automatic temperature control
±0.3% Accuracy
Ratio precision
loT Ready
Remote monitoring
30% Energy Save
vs.conventional
2-4 Components
Flexible config
Product Overview
Specially designed for TDI, MDI and NDI prepolymer production, with high vacuum degassing, precise automatic temperature control and multi-point safety interlock to deliver uniform, high-quality prepolymer for stable CPU elastomer manufacturing.
This professional prepolymer reactor is specially designed for TDI, MDI and NDI based polyurethane prepolymer production, with high vacuum degassing, precise automatic temperature control, and multi-point safety interlock to deliver uniform, high-quality prepolymer for stable CPU elastomer manufacturing. Optimized tank welding structure and precision sealing technology, combined with reliable dynamic sealing of the stirring shaft, maintain a long-lasting high vacuum environment that suppresses bubble generation and reduces internal defects in finished prepolymers. The automatic temperature regulation system enables rapid heating and uniform temperature distribution throughout the reaction process, with an efficient cooling solution for flexible process switching. The reactor vessel features high structural rigidity, maintaining stable shape under long-term high temperature and vacuum conditions. Multi-point interlock protection provides automatic warning for overpressure, overtemperature, and stirring abnormalities, complying with chemical production safety specifications and reducing manual operation risks.
Operation Workflow
Raw Material Loading
Load polyols and isocyanates (TDI, MDI or NDI) into the reactor vessel per the target formulation; the optimized bottom and valve layout minimize residual material and ensure complete reaction.
Dehydration & Degassing Pretreatment
Activate the high vacuum system to reach an ultimate vacuum degree of 6×10²Pa; the welded tank structure and precision sealing with dynamic shaft sealing maintain a lasting vacuum for effective degassing.
Precise Temperature Control & Reaction
Set the automatic temperature regulation to the target range (80-120℃) for rapid, uniform heating; the stirring system runs at 0-150 rpm for thorough mixing and uniform microstructure.
Prepolymer Synthesis & Quality Monitoring
Monitor the synthesis process; the two-step prepolymer process fully reacts polyols and isocyanates for uniform microstructure, while the multi-point interlock warns of overpressure, overtemperature, and stirring faults.
Technical Specifications
Standard configuration parameters for the prepolymer synthesis reactor. Customizations including vessel capacity, dimensions, control cabinet color and PLC/HMI upgrade are available.
| Technical Parameter | HF-Premix |
|---|---|
| Vessel Capacity Options | 50L, 100L, 150L, 200L, 250L, 300L, 500L, custom volume supported |
| Vessel Dimensions | Φ400×400, Φ500×500, Φ600×500, Φ600×700, Φ700×700, Φ800×900, customizable |
| Working Temperature | 80–120℃ |
| Ultimate Vacuum Degree | 6×10²Pa Actual vacuum performance depends on onsite installation, piping layout and supporting vacuum components |
| Stirring Speed | 0–150rpm, adjustable |
| Stirring Motor Power | 0.55–2.2kW, varies by configuration |
| Electric Heating Power | 9–18kW, varies by configuration |
| Total Weight | Approx. 150–800kg, varies by configuration |
| Warranty | 1-year full machine warranty |
| Certifications | Confirm applicable documents for the quoted configuration |
| Brand | Haifeng |
| Optional Feature | Customizable control cabinet color; optional PLC/HMI upgrade |
Key Features & Advantages
Engineered for uniformity, safety and reliability in polyurethane prepolymer synthesis.
Robust Structure & Long-Term Stability
Reactor vessel features high structural rigidity, maintaining stable shape under long-term high temperature and vacuum working conditions. Ensures lasting alignment accuracy of stirring system and stable performance throughout extended production cycles.
High Vacuum System for Bubble-Free Products
Optimized tank welding structure and precision sealing technology, combined with reliable dynamic sealing of the stirring shaft, maintain a long-lasting high vacuum environment. Effectively suppresses bubble generation, improves product compactness and reduces internal defects.
Precise Automatic Temperature Control + Optional PLC/HMI
Automatic temperature regulation system enables rapid heating and uniform temperature distribution throughout the reaction process. PLC/HMI control system available as optional upgrade, with efficient cooling solution for flexible process switching.
Uniform Product Structure & High Batch Consistency
Two-step prepolymer process allows sufficient reaction between polyols and isocyanates, generating elastomers with uniform microstructure. Finished prepolymer delivers excellent mechanical properties and highly repeatable batch quality.
Reliable Discharging & Easy Maintenance
Inner tank wall and stirring blades are specially polished. Optimized vessel bottom design and discharging valve layout minimize residual material, reduce cross-contamination between batches, and simplify cleaning and maintenance.
Multi-Point Safety Interlock for Compliant Operation
Integrates multi-point interlock protection logic with automatic warning and disposal functions for overpressure, overtemperature and stirring abnormal conditions. Complies with chemical production safety specifications and reduces manual operation risks.
Complete Your Production Line
Integrate the product with our full range of auxiliary equipment for a turnkey polyurethane processing system.
