Silane Coupling Agent

Vinyl Silane

Vinyl silane coupling agent is a silane coupling agent with vinyl groups as functional groups. It is a chemical compound used as an adhesion promoter for polymers, to enhance adhesion between polymer and substrate, making it an effective component in adhesion promoters.

Product grades

Molecular structure
silane coupling agent

Typical physical properties
Chemical name: Vinylthichlorosilane
CAS No.: 75-94-5
EINECS No.: 200-917-8
Formula: C2H3Cl3Si
Appearance: Colorless to yellowish transparent liquid
Refractive index(n25D): 1.4310~1.4410
Purity: 99%

Application
Vinyl silane is used as coupling agent, adhesion promoters, crosslinking agent.
Vinyl silane is used for sulfur and peroxide cured rubber, polyester, polyolefins, styrenics, and acrylics etc.
Vinyl silane is used to copolymerize with ethylene for moisture induced coupling of polyethylene.
Vinyl silane is used to graft to polyethylene for moisture induced coupling.
Vinyl silane is used for surface treatment of mineral fillers in plastics.

Possible Alternative
Wacker:
DOWCorning: Z-2380
Shin-Etsu: KA1003
Momentive: A150
Evonik: VTC

Molecular structure
silane coupling agent

Typical physical properties
Chemical name: Vinyltriethoxysilane
CAS No.: 78-08-0
EINECS No.: 201-081-7
Formula: C8H18O3Si
Appearance: Colorless transparent liquid
Refractive index(n25D): 1.3915~1.4015
Purity: 98%

Application
Coupling agent in filled polymer systems, which cure via a free radical mechanism.
Finish for glass or a binder additive in glass-reinforced polyester resins.
Integral additive in mineral-filled polyester or DAP resin compounds.
Additive to mineral-filled elastomers which are peroxide vulcanised.

Possible Alternative
Wacker: VTE
DOWCorning: Z-6518
Shin-Etsu: KBE1003
Momentive: A151
Evonik: VTEO

Molecular structure
silane adhesion promoter

Typical physical properties
Chemical name: Vinyltrimethoxysilane
CAS No.: 2768-02-7
EINECS No.: 220-449-8
Formula: C5H12O3Si
Appearance: Colorless transparent liquid
Refractive index(n25D): 1.3880 ~1.3980
Purity: 99%

Application
Use as a Dehydrating Agent
Use as a Surface Treatment Agent

Possible Alternative
Wacker: VTM
DOWCorning: Z-6300
Shin-Etsu: KBM1003
Momentive: A171
Evonik: VTMO

Molecular structure
silane adhesion promoter

Typical physical properties
Chemical Name: Vinylmethyldimethoxysilane
CAS No.: 16753-62-1
EINECS No.: 240-816-6
Formula: C5H12O2Si
Appearance: Colorless transparent liquid
Refractive Index(n25D): 1.3900~1.4000
Purity: 98%

Application
Used in the production of pipes and cables made of silane crosslinked polyethylene (PE-Xb).
Used as a water scavenger during the production of silane crosslinking adhesive and sealant formulations.
Used as co-monomers in the production of silane-modified binders for surface coatings

Possible Alternative
Wacker: VMDM
DOWCorning: Z-2349
Shin-Etsu:
Momentive: A2171
Evonik:

Molecular structure
silane adhesion promoter

Typical physical properties
Chemical name: Vinyltris(2-methoxyethoxy)silane
CAS No.: 1067-53-4
EINECS No.: 213-934-0
Formula: C11H24O6Si
Appearance: Colorless transparent liquid
Refractive index(n25D): 1.4210 ~1.4310
Purity: 98%

Application
Used as coupling agent, adhesion promoters, crosslinking agent.
Used for sulfur and peroxide cured rubber, polyester, polyolefins, styrenics, andacrylics etc.
Used to copolymerize with ethylene for moisture induced coupling of polyethylene.
Used to graft to polyethylene for moisture induced coupling.
Used for surface treatment of mineral fillers in plastics

Possible Alternative
Wacker: VTME
DOWCorning: Z-6172
Shin-Etsu: KBC1003
Momentive: A172
Evonik: VTMOEO

Molecular structure
silane adhesion promoter

Typical physical properties
Chemical name: Vinyltris(isopropenyloxy)silane
CAS No.: 15332-99-7
EINECS No.: 239-362-1
Formula: C11H18O3Si
Appearance: Colorless to reddish liquid
Refractive index(n25D): 1.4310 ~1.4410
Purity: 97%

Application
used as crosslinkers in RTV-1 silicone rubber

Possible Alternative
Wacker:
DOWCorning:
Shin-Etsu:
Momentive:
Evonik:

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This disclaimer of warranty and liability also applies – particularly in foreign countries – with respect to third parties’ rights.

I wholeheartedly recommend SINOSIL INCORPORATED to anyone seeking textile auxiliary include silicone softening agent, water repellent. Their unparalleled professionalism, innovative solutions, and customer-centric approach make them a standout choice in the industry.

Head of Denim at Ex-Archroma