1. Chemical Composition & PropertiesTable 1: Basic Chemical CharacteristicsParameterSpecif
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| Parameter | Specification |
|---|---|
| Chemical Formula | Modified (C₈H₁₆N₂O₃)n |
| Penampilan | Pale yellow viscous liquid |
| Solid Content | 50-65% |
| Viscosity (25°C) | 200-2000 cP |
| pH Value | 7.5-9.0 |
| Density (g/cm³) | 1.18-1.25 |
| Shelf Life | 6-12 months |
| Stage | Conditions | Key Parameters |
|---|---|---|
| Methylolation | 80-90°C, pH 7-9 | Urea:Formaldehyde (1:1.5-2.0) |
| Butylation | 90-100°C, pH 4-6 | Butanol:Urea (0.5-1.5:1) |
| Condensation | 85-95°C, pH 4-5 | Reaction time 2-3 hrs |
| Stabilization | 40-50°C | pH adjustment to 7.5-9.0 |
| Property | BUF Resin | UF Resin | MF Resin |
|---|---|---|---|
| Water Resistance | Excellent | Good | Excellent |
| Flexibility | High | Low | Medium |
| Curing Temp (°C) | 100-150 | 120-160 | 130-170 |
| Formaldehyde Emission | Low | High | Medium |
| Cost Factor | Medium | Low | High |
| Adhesion Strength | 3.5-4.5 MPa | 2.5-3.5 MPa | 4.0-5.0 MPa |
Wood Composites: Particleboard, MDF, plywood adhesives
Coatings: Industrial finishes, paper coatings
Textiles: Wrinkle-resistant treatments
Molding Compounds: Electrical components
30-40% lower formaldehyde emission vs standard UF
20-30% better water resistance
Enhanced storage stability
Broader formulation flexibility
Improved compatibility with other polymers
| Aspect | Requirement |
|---|---|
| Storage Temp | 5-30°C |
| Titik Flash | >100°C |
| PPE Requirements | Gloves, goggles, ventilation |
| Disposal | Neutralization required |
| Regulatory Status | Complies with EPA, REACH |
| Component | Weight % |
|---|---|
| BUF Resin | 50-70 |
| Fillers | 10-25 |
| Catalysts | 0.5-2 |
| Modifiers | 2-5 |
| Water | Balance |
Preferred for interior wood products requiring Class E1 emission standards
Growing demand in Asia-Pacific construction sector
Increasing replacement of conventional UF in furniture manufacturing
Technical alternative to more expensive MF resins
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