Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Shin-Etsu KBE-9103 3-triethoxysilyl-N-(1,3-dimethylbutylidene)propylamine

Shin-Etsu KBE-9103 is a specialty silane coupling agent from the KBE series, featuring a triethoxysilyl group and a sterically hindered Schiff base amine structure. It enhances adhesion between organic polymers and inorganic substrates like glass, metals or fillers—especially in moisture-curing sealants, RTV silicones and composite formulations where hydrolytic stability and low volatility are critical.
  • shin etsu kbe 9103 3 triethoxysilyl n 1 3 dimethylbutylidene propylamine_8af9b3ec
  • shin etsu kbe 9103 3 triethoxysilyl n 1 3 dimethylbutylidene propylamine_8af9b3ec

Features Of Shin-Etsu KBE-9103 3-triethoxysilyl-N-(1,3-dimethylbutylidene)propylamine

  1. Hydrolytically stable silylamine coupling agent with controlled reactivity due to the sterically hindered imine bond.

  2. Excellent compatibility with organic polymers and inorganic fillers, enabling uniform dispersion and interfacial adhesion.

  3. Reduces moisture sensitivity during storage and processing compared to conventional amino-silanes.

  4. Enables one-component, moisture-cure formulations without premature gelation or viscosity drift.

  5. Offers improved thermal stability over traditional aldimine-functional silanes, supporting high-temperature curing processes.

Typical Applications Of Shin-Etsu KBE-9103 3-triethoxysilyl-N-(1,3-dimethylbutylidene)propylamine

  1. Adhesion promoters in silicone rubber and RTV sealants for glass, metal, and painted substrates.

  2. Surface modifiers for silica, alumina, and calcium carbonate fillers in thermoset composites.

  3. Functional additives in moisture-curable polyurethane and polysulfide sealants.

  4. Interfacial agents in hybrid sol-gel coatings requiring long pot life and consistent film formation.

Specifications Of Shin-Etsu KBE-9103 3-triethoxysilyl-N-(1,3-dimethylbutylidene)propylamine

Chemical TypeAldimine-functional trialkoxysilane
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous liquid, free from visible particulates or phase separation
Primary ApplicationsAdhesion promotion, filler surface treatment, moisture-cure formulation stabilizer
Key FeaturesControlled hydrolysis rate, low volatility, enhanced shelf stability
BenefitsExtended working time, reduced VOC emissions, improved composite mechanical performance
Storage ConditionsStore under dry nitrogen at 5–30 °C; protect from moisture and direct sunlight


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