526204-46-6

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11-PHENOXYUNDECYLTRICHLOROSILANE

Product Code: SIP6723.4

Cas No: 526204-46-6

R&D quantities:

5 g
$290.00
Aromatic Silane - Conventional Surface Bonding

Aliphatic, fluorinated aliphatic or substituted aromatic hydrocarbon substituents are the hydrophobic entities which enable silanes to induce surface hydrophobicity. The organic substitution of the silane must be non-polar. The hydrophobic effect of the organic substitution can be related to the free energy of transfer of hydrocarbon molecules from an aqueous phase to a homogeneous hydrocarbon phase. A successful hydrophobic coating must eliminate or mitigate hydrogen bonding and shield polar surfaces from interaction with water by creating a non-polar interphase. Although silane and silicone derived coatings are in general the most hydrophobic, they maintain a high degree of permeability to water vapor. This allows coatings to breathe and reduce deterioration at the coating interface associated with entrapped water. Since ions are not transported through non-polar silane and silicone coatings, they offer protection to composite structures ranging from pigmented coatings to rebar reinforced concrete. A selection guide for hydrophobic silanes can be found on pages 22-31 of the Hydrophobicity, Hydrophilicity and Silane Surface Modification brochure.

11-Phenoxyundecyltrichlorosilane; (3-Trichlorosilylundecyloxy)benzene
  • Forms SAMs that orient pentadecene
  • Boiling Point: 166-7° / 0.3

    Molecular Weight: 381.85

    Specific Gravity: 1.089

    HMIS Key: 3-1-1-X

    Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents

    Formula: C17H27Cl3OSi

    Application: Polycondensation reaction with silanol functional PDMS oligomers forms low pourpoint fluids.1

    Reference: 1. Andranov, K. et al. Bull. Acad. Sci. USSR 1962, 11, 1492.

    Additional Properties: Forms SAMs that orient pentadecene