Why It Matters
Adhesion between organic polymers and inorganic substrates (glass/mineral/metal) needs organosilane coupling agents
Solution Approach
Adhesion between organic polymers and inorganic substrates (glass/mineral/metal) needs organosilane coupling agents RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Selection Workflow
1
Process & Requirement Definition
Map the unit operation and define the functional, purity, and regulatory requirements the chemical input must meet.
2
Chemistry & Grade Selection
Match the solvent, intermediate, acid or base, catalyst, or specialty additive to the process and downstream compatibility.
3
Trial & Specification
Validate performance at bench or pilot scale, and set the grade, treat rate, and packaging to match throughput and handling.
4
Quality & Supply Assurance
Lock the spec with a CoA and secure multi-origin sourcing for supply resilience and consistent lot quality.
Recommended Chemistries (5)
3-aminopropyltriethoxysilane
CAS 919-30-2
Silanes & Organosilanes
Primary amino silane coupling agent
Amino end bonds to epoxy/PU/phenolic resin while the hydrolyzed silanol end condenses onto glass and mineral fillers, building a covalent bridge across the organic/inorganic interface
Melting Point: -70 °C Boiling Point: 217 °C Density: 0.94 at 25 °C
Full Details
3-glycidoxypropyltrimethoxysilane
CAS 2530-83-8
Silanes & Organosilanes
Epoxy silane for composites
Epoxy-functional silane that couples epoxy and acrylic matrices to silica/glass, improving wet adhesion and composite strength retention
Vapor Pressure: 0.002
Full Details
Vinyltrimethoxysilane
CAS 2768-02-7
Silanes & Organosilanes
Vinyl silane for polyethylene crosslinking
Vinyl group co-reacts with peroxide-cured polyolefins/rubber while silanols anchor to filler - also the basis of moisture-cure PE crosslinking
Melting Point: ˆ'97°C Boiling Point: 123°C at 1013 hPa (converted to 101.3 kPa) (760… Density: Specific Density: 0.94 (water = 1)
Full Details
Mercaptopropyltrimethoxysilane
CAS 4420-74-0
Silanes & Organosilanes
Mercapto silane for rubber compounding
Thiol end bonds to sulfur-cured rubber and metals; couples elastomers and sealants to mineral substrates
Full Details
Tetraethyl orthosilicate (TEOS)
CAS 78-10-4
Specialty Additives
Coupling / Adhesion Promotion
1292 (ETHYL SILICATE) · Class Tetrafunctional silicate that acts as a condensation-cure crosslinker and silica precursor for sol-gel and RTV systems. It is a crosslinker/silica source rather than an organofunctional coupling agent that bridges organic and inorganic phases (the spine assigns it the Coupling/Crosslinking role)
Physical Description: Ethyl silicate appears as a clear colorless liq… Appearance: Colorless liquid Odor: Sharp alcohol-like odor
Full Details