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

Evonik Dynasylan SIVO 214 Silane Coupling Agent

Evonik Dynasylan SIVO 214 is a specialized multi-amino functional ethoxysilane featuring both primary and secondary amino groups. This unique molecular structure enables superior interfacial bonding between inorganic materials and organic polymers through enhanced crosslinking capabilities.

Features Of Evonik Dynasylan SIVO 214 Silane Coupling Agent

  1. Self-Catalyzing Hydrolysis - Automatically activates upon moisture exposure without additional catalysts

  2. Dual Reactivity - Combines amino functionality with hydrolyzable methoxy groups

  3. Enhanced Stability - Hydrolyzed form remains stable for over 30 days at pH 11-12

  4. Broad Polymer Compatibility - Effective with epoxies, polyurethanes, acrylics and various thermoplastics

  5. Processing Advantages - Improves filler dispersion and reduces system viscosity

Typical Applications Of Evonik Dynasylan SIVO 214 Silane Coupling Agent

  1. Fiberglass Reinforcements - Sizing agent for glass fiber and mineral wool composites

  2. Metal Primers - Surface pretreatment for enhanced corrosion resistance and adhesion

  3. Mineral-filled Composites - Coupling agent for silicate-filled polymer systems

  4. Insulation Materials - Additive for phenolic resin binders in mineral wool insulation

  5. Coating Formulations - Adhesion promoter for protective coatings and surface treatments

Specifications Of Evonik Dynasylan SIVO 214 Silane Coupling Agent

Chemical TypeMulti-Amino Functional Ethoxysilane
AppearanceColorless to pale yellow liquid
OdorSlight ammoniacal
Amino FunctionalityPrimary & Secondary amino groups
Hydrolyzable Groups6 ethoxy groups
Optimal Hydrolysis pH3.0 (acid-catalyzed)
SolubilityAlcohols, Aliphatic/Aromatic hydrocarbons
Recommended Usage0.5-5.0% in formulations


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