VANABIO® ES5320
VANABIO® ES5320

3-Glycidoxypropyltriethoxysilane

VANABIO® ES5320 is a clear colorless, low-odor liquid. ES5320 may be used as an adhesion promoter (coupling agent) for organic/inorganic interfaces, as a surface modifier (e.g. regulating surface polarity) or as a crosslinking agent (moisture-curing of polymers). When used as coupling agent, it generally reduces the sensitivity of the products' mechanical and electrical properties to heat and/or moisture.


VANABIO® ES5320 epoxy silane oligomer is the equivalent of Momentive's A-1871, Dow's Z-6041, Wacker's GF82, Evonik's Dynasylan GLYEO, ShinEtsu's KBE-403 silane.

VANABIO® ES5320
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Technical Data



CAS No.

2602-34-8

EINECS No.

220-011-6

Formula

C12H26O5Si

Molecular Weight

278.4

Viscosity 25°C

2 cSt

Boiling Point

124°C [3mmHg]

Flash Point

110°C



Color and Appearance

Colorless clear liquid.

Density 25/25°C

1.004

Refractive Index

1.425[25°C]

Min. Purity

98.0%




Solubility and Reactivity: VANABIO® ES5320 is a sparingly miscible with neutral water. In acidified water, hydrolysis to the soluble silanol occurs (PH<4). VANABIO® ES5320 is miscible with practically all organic compounds and enters into the typical reactions of an organic epoxide with, e.g. acids, amines and alcohols. Alkaline or acid catalysts might be advisable for the desired reaction. Polymerization via the epoxide groups cannot be ruled out completely under extreme conditions.


Application

  • VANABIO® ES5320 may improve dry and wet strength in cured composites reinforced with glass fiber rovings.


  • VANABIO® ES5320 epoxy silane may enhance wet electrical properties of epoxy-based encapsulate and packaging materials.


  • VANABIO® ES5320 may eliminate the need for a separate primer in polysulfide and urethane sealants.


  • VANABIO® ES5320 may improve adhesion in waterborne acrylic sealants and in urethane and epoxy silicone coatings.


Packing and Storage


  • VANABIO® ES5320 is supplied in 200Kg steel drum or 1000Kg IBC container.


  • In the unopened original container VANABIO® ES5320 has a shelf life of one year in a dry and cool place.

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