Name: Momentive Silquest Y-9669 N-Phenyl-3-aminopropyltrimethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Momentive Silquest Y-9669 N-Phenyl-3-aminopropyltrimethoxysilane

Reactive bifunctional molecule featuring both a primary amine group and hydrolyzable methoxy silane groups.
Enhanced compatibility with aromatic polymer systems due to the N-phenyl substituent on the amine nitrogen.
Improved hydrolytic stability compared to aliphatic aminosilanes, supporting longer pot life in moisture-sensitive formulations.
Effective coupling agent for silica, glass, and metal oxide fillers in thermoset and thermoplastic composites.
Enables covalent bonding between organic matrices and inorganic surfaces, boosting interfacial adhesion and mechanical performance.

Typical Applications Of Momentive Silquest Y-9669 N-Phenyl-3-aminopropyltrimethoxysilane

Epoxy resin systems for structural adhesives and electrical encapsulants.
Phenolic and polyimide composites used in high-temperature aerospace and electronics applications.
Filler-treated silica and fumed silica in silicone elastomers and RTV sealants.
Surface modification of glass fibers and mineral fillers in reinforced thermosets.
Adhesion promoters in automotive coating primers and corrosion-resistant primer systems.

Chemical Type	N-Phenyl-3-aminopropyltrimethoxysilane
Product Form	Liquid
Appearance	Clear, colorless to pale yellow liquid
Primary Applications	Coupling agent, adhesion promoter, surface modifier
Key Features	Bifunctional (amine + alkoxysilane), aromatic amine structure, hydrolytically stabilized
Benefits	Enhanced filler-matrix adhesion, improved composite toughness, reduced moisture sensitivity vs. aliphatic analogs
Storage Conditions	Store in tightly sealed containers under dry, inert atmosphere at 15–25°C
Shelf Life	12 months from date of manufacture when stored properly

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E-mail: wangxingqiang@ericwchem.com
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