Product Code

AL122

Isocyanatopropylmethyldiethoxysilane

CAS Number
33491-28-0

Description

Isocyanate functional silane, the diethoxy analog of the more common dimethoxy isocyanatopropyl silane. Difunctional grade giving lower crosslink density than the trifunctional isocyanatopropyl silanes, with slower hydrolysis than the methoxy grade for longer working time. Used as a coupling agent and resin modifier in STP (silane-terminated) polymer systems.

Synonyms

isocyanatosilanesilane coupling agentadhesion promoterDiethoxy-(3-isocyanatopropyl)-methylsilaneDiethoxy(3-isocyanatopropyl)(methyl)silanegamma-IsocyanatopropylmethyldiethoxysilaneC9H19NO3Si

Key applications

  • STP (silane-terminated) polymer modification
  • Coupling agent in coatings, adhesives and sealants
  • Composite material bonding

Characteristics

FamilyIsocyanate Silanes
FunctionalityIsocyanate
Molecular formulaC9H19NO3Si
Molecular weight217.34 g/mol

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