Methyl Vinyl Silicone Resin
Methyl Vinyl Silicone Resin is a high-purity silicone polymer with methyl and vinyl groups in a 3D network. Vinyl groups allow flexible curing (heat, catalyst, UV), giving it strong bonding, heat resistance, and durability. Ideal for coatings, adhesives, sealants, and electronic encapsulation.
Product Overview
Methyl Vinyl Silicone Resin is a high-purity organosilicon polymer featuring methyl (M) and vinyl (V) siloxane units arranged in a highly cross-linked, three-dimensional network. The presence of vinyl groups enables versatile curing options (thermal, catalytic, or UV) to achieve tailored mechanical strength, chemical resistance, and adhesion performance. This resin exhibits excellent thermal stability, weather resistance, and strong substrate bonding, making it ideal for cutting-edge coatings, adhesives, sealants, and electronic encapsulation.
Key Properties
Superior Thermal Stability: Maintains structural integrity and performance at temperatures up to 400°C, suitable for high-heat industrial and automotive applications.
Enhanced Adhesion Performance: Vinyl functionality improves chemical bonding to diverse substrates including metals, glass, ceramics, and polymers.
Excellent Weather & Chemical Resistance: Resists UV degradation, moisture, acids, alkalis, and solvents, ensuring long-term durability.
Flexible Curing Methods: Supports thermal curing, catalytic crosslinking, and UV radiation curing, adaptable to varied production environments.
Mechanical Robustness with Flexibility: Provides balanced hardness and elasticity post-curing, essential for protective coatings and resilient adhesives.
Electrical Insulation Excellence: High dielectric strength and volume resistivity, ideal for electronic potting and encapsulation applications.
Hydrophobicity: Forms water-repellent, corrosion-resistant surfaces, enhancing product longevity in harsh environments.
Typical Specifications
| Parameter | Typical Range / Value |
|---|---|
| Appearance | White to off-white powder or viscous resin |
| Chemical Composition | Methyl and vinyl siloxane units |
| Vinyl Content | Adjustable, typically 0.5%–3% |
| Thermal Stability | Stable up to 400°C |
| Solubility | Soluble in xylene, toluene, silicone oils |
| Curing Mechanism | Thermal, catalytic, UV radiation |
| Dielectric Strength | >10⁴ V/mm volume resistivity |
Recommended Applications
High-Performance Coatings: Heat-resistant, UV-stable coatings for aerospace, automotive, and industrial equipment surfaces.
Adhesives & Sealants: Durable bonding with flexibility for glass, metal, and composite substrates in construction and electronics.
Electronic Encapsulation & Potting: Superior insulation and protection for circuit boards, transformers, and power modules.
Surface Treatment & Modification: Enhances hydrophobicity and chemical resistance in plastics, rubbers, and composite materials.
Composite Reinforcement: Acts as a crosslinker improving mechanical and thermal properties of silicone-based composites.
Recommended Usage
Dosage: Typically 1%–30% depending on the formulation and required curing method.
Compatibility: Compatible with silicone rubbers, epoxy, acrylic, alkyd, and hybrid resin systems.
Storage: Store sealed in a cool, dry environment below 25°C; avoid moisture contamination.
Packaging & Storage
Packaging: 25 kg fiber drums or 50 kg plastic drums, depending on resin form (powder or liquid).
Storage Conditions: Store in sealed containers, away from direct sunlight and humidity.
Shelf Life: 12 months unopened under recommended conditions.
Transport: Non-hazardous material; follow standard industrial transport regulations.
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