Name: Momentive Silquest A-172 Vinyl tris(2-methoxyethoxy)silane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Momentive Silquest A-172 Vinyl tris(2-methoxyethoxy)silane

Reactive vinyl functionality enables covalent bonding with free-radical polymerizable resins (e.g., acrylics, styrenics, and unsaturated polyesters).
Hydrolytically stable alkoxy groups provide extended shelf life and controlled reactivity in moisture-sensitive formulations.
Low volatility and favorable handling characteristics due to high molecular weight and low vapor pressure.
Excellent compatibility with organic polymers and silicate-based fillers, supporting uniform dispersion in hybrid systems.
Enhances interfacial adhesion between organic matrices and inorganic substrates such as glass, silica, and metal oxides.

Typical Applications Of Momentive Silquest A-172 Vinyl tris(2-methoxyethoxy)silane

Adhesion promotion in UV-curable and thermally cured acrylic coatings for glass and metal substrates.
Surface modification of silica and quartz fillers in high-performance composites and encapsulants.
Functional additive in radiation-cured inks and overprint varnishes requiring substrate anchoring.
Coating formulation component for optical fibers and specialty lenses where clarity and durability are critical.

Chemical Type	Vinyl-functional silane
Product Form	Clear, colorless to pale yellow liquid
Appearance	Homogeneous liquid at room temperature
Primary Applications	Adhesion promoter, filler coupling agent, surface modifier
Key Features	Vinyl reactivity, hydrolytic stability, low volatility, organic compatibility
Benefits	Improved bond strength, enhanced moisture resistance, reduced delamination, consistent processing
Molecular Weight (approx.)	348.5 g/mol
Flash Point (Tag Closed Cup)	110 °C (230 °F)

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E-mail: wangxingqiang@ericwchem.com
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