HMMM (Hexamethoxymethylmelamine) Adhesion Resin
Hexamethoxymethylmelamine (HMMM) is a methylene donor used with resorcinol to form an in-situ resin adhesion system (RF system) in rubber compounds for bonding to textile and steel cord reinforcements. HMMM is preferred over hexamethylene tetramine (HMT) due to its lower volatility, absence of ammonia release during processing, and improved bonding efficiency. The HMMM-resorcinol system is widely used in tire tread, belt, and carcass compounds where robust cord-rubber adhesion is critical.
مشخصات فنی
| ash (%) | ≤0.10 |
| appearance | Colorless to pale yellow liquid or off-white solid |
| purity (%) | ≥97.0 |
| moisture (%) | ≤0.50 |
| methoxy content (%) | 55–62 |
| viscosity (25°C, mPa·s) | 1000–6000 (liquid grade) |
حوزههای کاربرد
- Tire tread and belt rubber-cord adhesion system
- Steel and textile cord reinforced tire carcass compounds
- Conveyor belt rubber compound cord adhesion
- HMMM-resorcinol RF adhesion system component
- Rubber-metal adhesion in tire bead compounds
ویژگیهای محصول
- No ammonia release during rubber processing vs HMT
- Lower volatility for controlled in-compound resin formation
- Improved bonding efficiency in steel and textile cord compounds
- Liquid or solid grade available for different mixing processes
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