IntroductionIntroduction to Benzene Melamine Resin (BMR)Benzene melamine resin is a thermo
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Benzene melamine resin is a thermosetting polymer synthesized from melamine and formaldehyde, modified with benzene derivatives to enhance thermal stability and chemical resistance. It is widely used in high-performance coatings, adhesives, and molded components due to its hardness, durability, and flame-retardant properties.
| Property | Descrizione |
|---|---|
| Chemical Name | Benzene-modified melamine-formaldehyde resin |
| CAS No. | Varies by formulation (e.g., 9003-08-1 for melamine-formaldehyde base) |
| Molecular Structure | Cross-linked thermoset with benzene rings |
| Aspetto | White powder or translucent solid |
| Densità | ~1.5 g/cm³ |
| Decomposition Temp. | >300°C (572°F) |
| Solubilità | Insoluble in water; soluble in polar solvents (e.g., DMF) before curing |
| Flame Resistance | Self-extinguishing (UL94 V-0 rating possible) |
| Applicazione | Use Case |
|---|---|
| Coatings | High-gloss, scratch-resistant finishes for automotive/appliances. |
| Adhesives | Structural adhesives for wood/laminate bonding (enhanced water resistance). |
| Molded Plastics | Electrical components (e.g., switch housings) due to dielectric properties. |
| Textile Finishing | Flame-retardant fabric treatment. |
| Paper Coatings | Wet-strength additive for packaging. |
Superior heat resistance vs. standard melamine resins.
Excellent UV and chemical stability.
Low formaldehyde emission (with advanced formulations).
| Parameter | Value |
|---|---|
| Thermal Stability | Stable up to 250°C (482°F) |
| Tossicità | Low post-cure; uncured resin may release formaldehyde. |
| Storage | Dry, cool conditions (avoid moisture). |
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